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llvm-project/llvm/test/CodeGen/X86/vector-shuffle-combining.ll

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; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mcpu=x86-64 -mattr=+sse2 | FileCheck %s --check-prefixes=CHECK,SSE,SSE2
; RUN: llc < %s -mcpu=x86-64 -mattr=+ssse3 | FileCheck %s --check-prefixes=CHECK,SSE,SSSE3
; RUN: llc < %s -mcpu=x86-64 -mattr=+sse4.1 | FileCheck %s --check-prefixes=CHECK,SSE,SSE41
; RUN: llc < %s -mcpu=x86-64 -mattr=+avx | FileCheck %s --check-prefixes=CHECK,AVX,AVX1
; RUN: llc < %s -mcpu=x86-64 -mattr=+avx2 | FileCheck %s --check-prefixes=CHECK,AVX,AVX2,AVX2-SLOW
; RUN: llc < %s -mcpu=x86-64 -mattr=+avx2,+fast-variable-shuffle | FileCheck %s --check-prefixes=CHECK,AVX,AVX2,AVX2-FAST
;
; Verify that the DAG combiner correctly folds bitwise operations across
; shuffles, nested shuffles with undef, pairs of nested shuffles, and other
; basic and always-safe patterns. Also test that the DAG combiner will combine
; target-specific shuffle instructions where reasonable.
target triple = "x86_64-unknown-unknown"
declare <4 x i32> @llvm.x86.sse2.pshuf.d(<4 x i32>, i8)
declare <8 x i16> @llvm.x86.sse2.pshufl.w(<8 x i16>, i8)
declare <8 x i16> @llvm.x86.sse2.pshufh.w(<8 x i16>, i8)
define <4 x i32> @combine_pshufd1(<4 x i32> %a) {
; CHECK-LABEL: combine_pshufd1:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: retq
entry:
%b = call <4 x i32> @llvm.x86.sse2.pshuf.d(<4 x i32> %a, i8 27)
%c = call <4 x i32> @llvm.x86.sse2.pshuf.d(<4 x i32> %b, i8 27)
ret <4 x i32> %c
}
define <4 x i32> @combine_pshufd2(<4 x i32> %a) {
; CHECK-LABEL: combine_pshufd2:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: retq
entry:
%b = call <4 x i32> @llvm.x86.sse2.pshuf.d(<4 x i32> %a, i8 27)
%b.cast = bitcast <4 x i32> %b to <8 x i16>
%c = call <8 x i16> @llvm.x86.sse2.pshufl.w(<8 x i16> %b.cast, i8 -28)
%c.cast = bitcast <8 x i16> %c to <4 x i32>
%d = call <4 x i32> @llvm.x86.sse2.pshuf.d(<4 x i32> %c.cast, i8 27)
ret <4 x i32> %d
}
define <4 x i32> @combine_pshufd3(<4 x i32> %a) {
; CHECK-LABEL: combine_pshufd3:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: retq
entry:
%b = call <4 x i32> @llvm.x86.sse2.pshuf.d(<4 x i32> %a, i8 27)
%b.cast = bitcast <4 x i32> %b to <8 x i16>
%c = call <8 x i16> @llvm.x86.sse2.pshufh.w(<8 x i16> %b.cast, i8 -28)
%c.cast = bitcast <8 x i16> %c to <4 x i32>
%d = call <4 x i32> @llvm.x86.sse2.pshuf.d(<4 x i32> %c.cast, i8 27)
ret <4 x i32> %d
}
define <4 x i32> @combine_pshufd4(<4 x i32> %a) {
; SSE-LABEL: combine_pshufd4:
; SSE: # %bb.0: # %entry
; SSE-NEXT: pshufhw {{.*#+}} xmm0 = xmm0[0,1,2,3,7,6,5,4]
; SSE-NEXT: retq
;
; AVX-LABEL: combine_pshufd4:
; AVX: # %bb.0: # %entry
; AVX-NEXT: vpshufhw {{.*#+}} xmm0 = xmm0[0,1,2,3,7,6,5,4]
; AVX-NEXT: retq
entry:
%b = call <4 x i32> @llvm.x86.sse2.pshuf.d(<4 x i32> %a, i8 -31)
%b.cast = bitcast <4 x i32> %b to <8 x i16>
%c = call <8 x i16> @llvm.x86.sse2.pshufh.w(<8 x i16> %b.cast, i8 27)
%c.cast = bitcast <8 x i16> %c to <4 x i32>
%d = call <4 x i32> @llvm.x86.sse2.pshuf.d(<4 x i32> %c.cast, i8 -31)
ret <4 x i32> %d
}
define <4 x i32> @combine_pshufd5(<4 x i32> %a) {
; SSE-LABEL: combine_pshufd5:
; SSE: # %bb.0: # %entry
; SSE-NEXT: pshuflw {{.*#+}} xmm0 = xmm0[3,2,1,0,4,5,6,7]
; SSE-NEXT: retq
;
; AVX-LABEL: combine_pshufd5:
; AVX: # %bb.0: # %entry
; AVX-NEXT: vpshuflw {{.*#+}} xmm0 = xmm0[3,2,1,0,4,5,6,7]
; AVX-NEXT: retq
entry:
%b = call <4 x i32> @llvm.x86.sse2.pshuf.d(<4 x i32> %a, i8 -76)
%b.cast = bitcast <4 x i32> %b to <8 x i16>
%c = call <8 x i16> @llvm.x86.sse2.pshufl.w(<8 x i16> %b.cast, i8 27)
%c.cast = bitcast <8 x i16> %c to <4 x i32>
%d = call <4 x i32> @llvm.x86.sse2.pshuf.d(<4 x i32> %c.cast, i8 -76)
ret <4 x i32> %d
}
define <4 x i32> @combine_pshufd6(<4 x i32> %a) {
; SSE-LABEL: combine_pshufd6:
; SSE: # %bb.0: # %entry
; SSE-NEXT: pshufd {{.*#+}} xmm0 = xmm0[0,0,0,0]
; SSE-NEXT: retq
;
; AVX1-LABEL: combine_pshufd6:
; AVX1: # %bb.0: # %entry
; AVX1-NEXT: vpermilps {{.*#+}} xmm0 = xmm0[0,0,0,0]
; AVX1-NEXT: retq
;
; AVX2-LABEL: combine_pshufd6:
; AVX2: # %bb.0: # %entry
; AVX2-NEXT: vbroadcastss %xmm0, %xmm0
; AVX2-NEXT: retq
entry:
%b = call <4 x i32> @llvm.x86.sse2.pshuf.d(<4 x i32> %a, i8 0)
%c = call <4 x i32> @llvm.x86.sse2.pshuf.d(<4 x i32> %b, i8 8)
ret <4 x i32> %c
}
define <8 x i16> @combine_pshuflw1(<8 x i16> %a) {
; CHECK-LABEL: combine_pshuflw1:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: retq
entry:
%b = call <8 x i16> @llvm.x86.sse2.pshufl.w(<8 x i16> %a, i8 27)
%c = call <8 x i16> @llvm.x86.sse2.pshufl.w(<8 x i16> %b, i8 27)
ret <8 x i16> %c
}
define <8 x i16> @combine_pshuflw2(<8 x i16> %a) {
; CHECK-LABEL: combine_pshuflw2:
; CHECK: # %bb.0: # %entry
; CHECK-NEXT: retq
entry:
%b = call <8 x i16> @llvm.x86.sse2.pshufl.w(<8 x i16> %a, i8 27)
%c = call <8 x i16> @llvm.x86.sse2.pshufh.w(<8 x i16> %b, i8 -28)
%d = call <8 x i16> @llvm.x86.sse2.pshufl.w(<8 x i16> %c, i8 27)
ret <8 x i16> %d
}
define <8 x i16> @combine_pshuflw3(<8 x i16> %a) {
; SSE-LABEL: combine_pshuflw3:
; SSE: # %bb.0: # %entry
; SSE-NEXT: pshufhw {{.*#+}} xmm0 = xmm0[0,1,2,3,7,6,5,4]
; SSE-NEXT: retq
;
; AVX-LABEL: combine_pshuflw3:
; AVX: # %bb.0: # %entry
; AVX-NEXT: vpshufhw {{.*#+}} xmm0 = xmm0[0,1,2,3,7,6,5,4]
; AVX-NEXT: retq
entry:
%b = call <8 x i16> @llvm.x86.sse2.pshufl.w(<8 x i16> %a, i8 27)
%c = call <8 x i16> @llvm.x86.sse2.pshufh.w(<8 x i16> %b, i8 27)
%d = call <8 x i16> @llvm.x86.sse2.pshufl.w(<8 x i16> %c, i8 27)
ret <8 x i16> %d
}
define <8 x i16> @combine_pshufhw1(<8 x i16> %a) {
; SSE-LABEL: combine_pshufhw1:
; SSE: # %bb.0: # %entry
; SSE-NEXT: pshuflw {{.*#+}} xmm0 = xmm0[3,2,1,0,4,5,6,7]
; SSE-NEXT: retq
;
; AVX-LABEL: combine_pshufhw1:
; AVX: # %bb.0: # %entry
; AVX-NEXT: vpshuflw {{.*#+}} xmm0 = xmm0[3,2,1,0,4,5,6,7]
; AVX-NEXT: retq
entry:
%b = call <8 x i16> @llvm.x86.sse2.pshufh.w(<8 x i16> %a, i8 27)
%c = call <8 x i16> @llvm.x86.sse2.pshufl.w(<8 x i16> %b, i8 27)
%d = call <8 x i16> @llvm.x86.sse2.pshufh.w(<8 x i16> %c, i8 27)
ret <8 x i16> %d
}
define <4 x i32> @combine_bitwise_ops_test1(<4 x i32> %a, <4 x i32> %b, <4 x i32> %c) {
; SSE-LABEL: combine_bitwise_ops_test1:
; SSE: # %bb.0:
; SSE-NEXT: pand %xmm1, %xmm0
; SSE-NEXT: pshufd {{.*#+}} xmm0 = xmm0[0,2,1,3]
; SSE-NEXT: retq
;
; AVX-LABEL: combine_bitwise_ops_test1:
; AVX: # %bb.0:
; AVX-NEXT: vandps %xmm1, %xmm0, %xmm0
; AVX-NEXT: vpermilps {{.*#+}} xmm0 = xmm0[0,2,1,3]
; AVX-NEXT: retq
%shuf1 = shufflevector <4 x i32> %a, <4 x i32> %c, <4 x i32><i32 0, i32 2, i32 1, i32 3>
%shuf2 = shufflevector <4 x i32> %b, <4 x i32> %c, <4 x i32><i32 0, i32 2, i32 1, i32 3>
%and = and <4 x i32> %shuf1, %shuf2
ret <4 x i32> %and
}
define <4 x i32> @combine_bitwise_ops_test2(<4 x i32> %a, <4 x i32> %b, <4 x i32> %c) {
; SSE-LABEL: combine_bitwise_ops_test2:
; SSE: # %bb.0:
; SSE-NEXT: por %xmm1, %xmm0
; SSE-NEXT: pshufd {{.*#+}} xmm0 = xmm0[0,2,1,3]
; SSE-NEXT: retq
;
; AVX-LABEL: combine_bitwise_ops_test2:
; AVX: # %bb.0:
; AVX-NEXT: vorps %xmm1, %xmm0, %xmm0
; AVX-NEXT: vpermilps {{.*#+}} xmm0 = xmm0[0,2,1,3]
; AVX-NEXT: retq
%shuf1 = shufflevector <4 x i32> %a, <4 x i32> %c, <4 x i32><i32 0, i32 2, i32 1, i32 3>
%shuf2 = shufflevector <4 x i32> %b, <4 x i32> %c, <4 x i32><i32 0, i32 2, i32 1, i32 3>
%or = or <4 x i32> %shuf1, %shuf2
ret <4 x i32> %or
}
define <4 x i32> @combine_bitwise_ops_test3(<4 x i32> %a, <4 x i32> %b, <4 x i32> %c) {
; SSE-LABEL: combine_bitwise_ops_test3:
; SSE: # %bb.0:
; SSE-NEXT: pxor %xmm1, %xmm0
; SSE-NEXT: pshufd {{.*#+}} xmm0 = xmm0[0,2,1,3]
; SSE-NEXT: retq
;
; AVX-LABEL: combine_bitwise_ops_test3:
; AVX: # %bb.0:
; AVX-NEXT: vxorps %xmm1, %xmm0, %xmm0
; AVX-NEXT: vpermilps {{.*#+}} xmm0 = xmm0[0,2,1,3]
; AVX-NEXT: retq
%shuf1 = shufflevector <4 x i32> %a, <4 x i32> %c, <4 x i32><i32 0, i32 2, i32 1, i32 3>
%shuf2 = shufflevector <4 x i32> %b, <4 x i32> %c, <4 x i32><i32 0, i32 2, i32 1, i32 3>
%xor = xor <4 x i32> %shuf1, %shuf2
ret <4 x i32> %xor
}
define <4 x i32> @combine_bitwise_ops_test4(<4 x i32> %a, <4 x i32> %b, <4 x i32> %c) {
; SSE-LABEL: combine_bitwise_ops_test4:
; SSE: # %bb.0:
; SSE-NEXT: pand %xmm1, %xmm0
; SSE-NEXT: pshufd {{.*#+}} xmm0 = xmm0[0,2,1,3]
; SSE-NEXT: retq
;
; AVX-LABEL: combine_bitwise_ops_test4:
; AVX: # %bb.0:
; AVX-NEXT: vandps %xmm1, %xmm0, %xmm0
; AVX-NEXT: vpermilps {{.*#+}} xmm0 = xmm0[0,2,1,3]
; AVX-NEXT: retq
%shuf1 = shufflevector <4 x i32> %c, <4 x i32> %a, <4 x i32><i32 4, i32 6, i32 5, i32 7>
%shuf2 = shufflevector <4 x i32> %c, <4 x i32> %b, <4 x i32><i32 4, i32 6, i32 5, i32 7>
%and = and <4 x i32> %shuf1, %shuf2
ret <4 x i32> %and
}
define <4 x i32> @combine_bitwise_ops_test5(<4 x i32> %a, <4 x i32> %b, <4 x i32> %c) {
; SSE-LABEL: combine_bitwise_ops_test5:
; SSE: # %bb.0:
; SSE-NEXT: por %xmm1, %xmm0
; SSE-NEXT: pshufd {{.*#+}} xmm0 = xmm0[0,2,1,3]
; SSE-NEXT: retq
;
; AVX-LABEL: combine_bitwise_ops_test5:
; AVX: # %bb.0:
; AVX-NEXT: vorps %xmm1, %xmm0, %xmm0
; AVX-NEXT: vpermilps {{.*#+}} xmm0 = xmm0[0,2,1,3]
; AVX-NEXT: retq
%shuf1 = shufflevector <4 x i32> %c, <4 x i32> %a, <4 x i32><i32 4, i32 6, i32 5, i32 7>
%shuf2 = shufflevector <4 x i32> %c, <4 x i32> %b, <4 x i32><i32 4, i32 6, i32 5, i32 7>
%or = or <4 x i32> %shuf1, %shuf2
ret <4 x i32> %or
}
define <4 x i32> @combine_bitwise_ops_test6(<4 x i32> %a, <4 x i32> %b, <4 x i32> %c) {
; SSE-LABEL: combine_bitwise_ops_test6:
; SSE: # %bb.0:
; SSE-NEXT: pxor %xmm1, %xmm0
; SSE-NEXT: pshufd {{.*#+}} xmm0 = xmm0[0,2,1,3]
; SSE-NEXT: retq
;
; AVX-LABEL: combine_bitwise_ops_test6:
; AVX: # %bb.0:
; AVX-NEXT: vxorps %xmm1, %xmm0, %xmm0
; AVX-NEXT: vpermilps {{.*#+}} xmm0 = xmm0[0,2,1,3]
; AVX-NEXT: retq
%shuf1 = shufflevector <4 x i32> %c, <4 x i32> %a, <4 x i32><i32 4, i32 6, i32 5, i32 7>
%shuf2 = shufflevector <4 x i32> %c, <4 x i32> %b, <4 x i32><i32 4, i32 6, i32 5, i32 7>
%xor = xor <4 x i32> %shuf1, %shuf2
ret <4 x i32> %xor
}
; Verify that DAGCombiner moves the shuffle after the xor/and/or even if shuffles
; are not performing a swizzle operations.
define <4 x i32> @combine_bitwise_ops_test1b(<4 x i32> %a, <4 x i32> %b, <4 x i32> %c) {
; SSE2-LABEL: combine_bitwise_ops_test1b:
; SSE2: # %bb.0:
; SSE2-NEXT: pand %xmm1, %xmm0
; SSE2-NEXT: pshufd {{.*#+}} xmm0 = xmm0[0,2,2,3]
; SSE2-NEXT: pshufd {{.*#+}} xmm1 = xmm2[1,3,2,3]
; SSE2-NEXT: punpckldq {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
; SSE2-NEXT: retq
;
; SSSE3-LABEL: combine_bitwise_ops_test1b:
; SSSE3: # %bb.0:
; SSSE3-NEXT: pand %xmm1, %xmm0
; SSSE3-NEXT: pshufd {{.*#+}} xmm0 = xmm0[0,2,2,3]
; SSSE3-NEXT: pshufd {{.*#+}} xmm1 = xmm2[1,3,2,3]
; SSSE3-NEXT: punpckldq {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
; SSSE3-NEXT: retq
;
; SSE41-LABEL: combine_bitwise_ops_test1b:
; SSE41: # %bb.0:
; SSE41-NEXT: andps %xmm1, %xmm0
; SSE41-NEXT: blendps {{.*#+}} xmm0 = xmm0[0],xmm2[1],xmm0[2],xmm2[3]
; SSE41-NEXT: retq
;
; AVX-LABEL: combine_bitwise_ops_test1b:
; AVX: # %bb.0:
; AVX-NEXT: vandps %xmm1, %xmm0, %xmm0
; AVX-NEXT: vblendps {{.*#+}} xmm0 = xmm0[0],xmm2[1],xmm0[2],xmm2[3]
; AVX-NEXT: retq
%shuf1 = shufflevector <4 x i32> %a, <4 x i32> %c, <4 x i32><i32 0, i32 5, i32 2, i32 7>
%shuf2 = shufflevector <4 x i32> %b, <4 x i32> %c, <4 x i32><i32 0, i32 5, i32 2, i32 7>
%and = and <4 x i32> %shuf1, %shuf2
ret <4 x i32> %and
}
define <4 x i32> @combine_bitwise_ops_test2b(<4 x i32> %a, <4 x i32> %b, <4 x i32> %c) {
; SSE2-LABEL: combine_bitwise_ops_test2b:
; SSE2: # %bb.0:
; SSE2-NEXT: por %xmm1, %xmm0
; SSE2-NEXT: pshufd {{.*#+}} xmm0 = xmm0[0,2,2,3]
; SSE2-NEXT: pshufd {{.*#+}} xmm1 = xmm2[1,3,2,3]
; SSE2-NEXT: punpckldq {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
; SSE2-NEXT: retq
;
; SSSE3-LABEL: combine_bitwise_ops_test2b:
; SSSE3: # %bb.0:
; SSSE3-NEXT: por %xmm1, %xmm0
; SSSE3-NEXT: pshufd {{.*#+}} xmm0 = xmm0[0,2,2,3]
; SSSE3-NEXT: pshufd {{.*#+}} xmm1 = xmm2[1,3,2,3]
; SSSE3-NEXT: punpckldq {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
; SSSE3-NEXT: retq
;
; SSE41-LABEL: combine_bitwise_ops_test2b:
; SSE41: # %bb.0:
; SSE41-NEXT: orps %xmm1, %xmm0
; SSE41-NEXT: blendps {{.*#+}} xmm0 = xmm0[0],xmm2[1],xmm0[2],xmm2[3]
; SSE41-NEXT: retq
;
; AVX-LABEL: combine_bitwise_ops_test2b:
; AVX: # %bb.0:
; AVX-NEXT: vorps %xmm1, %xmm0, %xmm0
; AVX-NEXT: vblendps {{.*#+}} xmm0 = xmm0[0],xmm2[1],xmm0[2],xmm2[3]
; AVX-NEXT: retq
%shuf1 = shufflevector <4 x i32> %a, <4 x i32> %c, <4 x i32><i32 0, i32 5, i32 2, i32 7>
%shuf2 = shufflevector <4 x i32> %b, <4 x i32> %c, <4 x i32><i32 0, i32 5, i32 2, i32 7>
%or = or <4 x i32> %shuf1, %shuf2
ret <4 x i32> %or
}
define <4 x i32> @combine_bitwise_ops_test3b(<4 x i32> %a, <4 x i32> %b, <4 x i32> %c) {
; SSE2-LABEL: combine_bitwise_ops_test3b:
; SSE2: # %bb.0:
; SSE2-NEXT: xorps %xmm1, %xmm0
; SSE2-NEXT: andps {{.*}}(%rip), %xmm0
; SSE2-NEXT: retq
;
; SSSE3-LABEL: combine_bitwise_ops_test3b:
; SSSE3: # %bb.0:
; SSSE3-NEXT: xorps %xmm1, %xmm0
; SSSE3-NEXT: andps {{.*}}(%rip), %xmm0
; SSSE3-NEXT: retq
;
; SSE41-LABEL: combine_bitwise_ops_test3b:
; SSE41: # %bb.0:
; SSE41-NEXT: xorps %xmm1, %xmm0
; SSE41-NEXT: xorps %xmm1, %xmm1
; SSE41-NEXT: blendps {{.*#+}} xmm0 = xmm0[0],xmm1[1],xmm0[2],xmm1[3]
; SSE41-NEXT: retq
;
; AVX-LABEL: combine_bitwise_ops_test3b:
; AVX: # %bb.0:
; AVX-NEXT: vxorps %xmm1, %xmm0, %xmm0
; AVX-NEXT: vxorps %xmm1, %xmm1, %xmm1
; AVX-NEXT: vblendps {{.*#+}} xmm0 = xmm0[0],xmm1[1],xmm0[2],xmm1[3]
; AVX-NEXT: retq
%shuf1 = shufflevector <4 x i32> %a, <4 x i32> %c, <4 x i32><i32 0, i32 5, i32 2, i32 7>
%shuf2 = shufflevector <4 x i32> %b, <4 x i32> %c, <4 x i32><i32 0, i32 5, i32 2, i32 7>
%xor = xor <4 x i32> %shuf1, %shuf2
ret <4 x i32> %xor
}
define <4 x i32> @combine_bitwise_ops_test4b(<4 x i32> %a, <4 x i32> %b, <4 x i32> %c) {
; SSE2-LABEL: combine_bitwise_ops_test4b:
; SSE2: # %bb.0:
; SSE2-NEXT: pand %xmm1, %xmm0
; SSE2-NEXT: pshufd {{.*#+}} xmm1 = xmm0[1,3,2,3]
; SSE2-NEXT: pshufd {{.*#+}} xmm0 = xmm2[0,2,2,3]
; SSE2-NEXT: punpckldq {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
; SSE2-NEXT: retq
;
; SSSE3-LABEL: combine_bitwise_ops_test4b:
; SSSE3: # %bb.0:
; SSSE3-NEXT: pand %xmm1, %xmm0
; SSSE3-NEXT: pshufd {{.*#+}} xmm1 = xmm0[1,3,2,3]
; SSSE3-NEXT: pshufd {{.*#+}} xmm0 = xmm2[0,2,2,3]
; SSSE3-NEXT: punpckldq {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
; SSSE3-NEXT: retq
;
; SSE41-LABEL: combine_bitwise_ops_test4b:
; SSE41: # %bb.0:
; SSE41-NEXT: andps %xmm1, %xmm0
; SSE41-NEXT: blendps {{.*#+}} xmm0 = xmm2[0],xmm0[1],xmm2[2],xmm0[3]
; SSE41-NEXT: retq
;
; AVX-LABEL: combine_bitwise_ops_test4b:
; AVX: # %bb.0:
; AVX-NEXT: vandps %xmm1, %xmm0, %xmm0
; AVX-NEXT: vblendps {{.*#+}} xmm0 = xmm2[0],xmm0[1],xmm2[2],xmm0[3]
; AVX-NEXT: retq
%shuf1 = shufflevector <4 x i32> %c, <4 x i32> %a, <4 x i32><i32 0, i32 5, i32 2, i32 7>
%shuf2 = shufflevector <4 x i32> %c, <4 x i32> %b, <4 x i32><i32 0, i32 5, i32 2, i32 7>
%and = and <4 x i32> %shuf1, %shuf2
ret <4 x i32> %and
}
define <4 x i32> @combine_bitwise_ops_test5b(<4 x i32> %a, <4 x i32> %b, <4 x i32> %c) {
; SSE2-LABEL: combine_bitwise_ops_test5b:
; SSE2: # %bb.0:
; SSE2-NEXT: por %xmm1, %xmm0
; SSE2-NEXT: pshufd {{.*#+}} xmm1 = xmm0[1,3,2,3]
; SSE2-NEXT: pshufd {{.*#+}} xmm0 = xmm2[0,2,2,3]
; SSE2-NEXT: punpckldq {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
; SSE2-NEXT: retq
;
; SSSE3-LABEL: combine_bitwise_ops_test5b:
; SSSE3: # %bb.0:
; SSSE3-NEXT: por %xmm1, %xmm0
; SSSE3-NEXT: pshufd {{.*#+}} xmm1 = xmm0[1,3,2,3]
; SSSE3-NEXT: pshufd {{.*#+}} xmm0 = xmm2[0,2,2,3]
; SSSE3-NEXT: punpckldq {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
; SSSE3-NEXT: retq
;
; SSE41-LABEL: combine_bitwise_ops_test5b:
; SSE41: # %bb.0:
; SSE41-NEXT: orps %xmm1, %xmm0
; SSE41-NEXT: blendps {{.*#+}} xmm0 = xmm2[0],xmm0[1],xmm2[2],xmm0[3]
; SSE41-NEXT: retq
;
; AVX-LABEL: combine_bitwise_ops_test5b:
; AVX: # %bb.0:
; AVX-NEXT: vorps %xmm1, %xmm0, %xmm0
; AVX-NEXT: vblendps {{.*#+}} xmm0 = xmm2[0],xmm0[1],xmm2[2],xmm0[3]
; AVX-NEXT: retq
%shuf1 = shufflevector <4 x i32> %c, <4 x i32> %a, <4 x i32><i32 0, i32 5, i32 2, i32 7>
%shuf2 = shufflevector <4 x i32> %c, <4 x i32> %b, <4 x i32><i32 0, i32 5, i32 2, i32 7>
%or = or <4 x i32> %shuf1, %shuf2
ret <4 x i32> %or
}
define <4 x i32> @combine_bitwise_ops_test6b(<4 x i32> %a, <4 x i32> %b, <4 x i32> %c) {
; SSE2-LABEL: combine_bitwise_ops_test6b:
; SSE2: # %bb.0:
; SSE2-NEXT: xorps %xmm1, %xmm0
; SSE2-NEXT: andps {{.*}}(%rip), %xmm0
; SSE2-NEXT: retq
;
; SSSE3-LABEL: combine_bitwise_ops_test6b:
; SSSE3: # %bb.0:
; SSSE3-NEXT: xorps %xmm1, %xmm0
; SSSE3-NEXT: andps {{.*}}(%rip), %xmm0
; SSSE3-NEXT: retq
;
; SSE41-LABEL: combine_bitwise_ops_test6b:
; SSE41: # %bb.0:
; SSE41-NEXT: xorps %xmm1, %xmm0
; SSE41-NEXT: xorps %xmm1, %xmm1
; SSE41-NEXT: blendps {{.*#+}} xmm0 = xmm1[0],xmm0[1],xmm1[2],xmm0[3]
; SSE41-NEXT: retq
;
; AVX-LABEL: combine_bitwise_ops_test6b:
; AVX: # %bb.0:
; AVX-NEXT: vxorps %xmm1, %xmm0, %xmm0
; AVX-NEXT: vxorps %xmm1, %xmm1, %xmm1
; AVX-NEXT: vblendps {{.*#+}} xmm0 = xmm1[0],xmm0[1],xmm1[2],xmm0[3]
; AVX-NEXT: retq
%shuf1 = shufflevector <4 x i32> %c, <4 x i32> %a, <4 x i32><i32 0, i32 5, i32 2, i32 7>
%shuf2 = shufflevector <4 x i32> %c, <4 x i32> %b, <4 x i32><i32 0, i32 5, i32 2, i32 7>
%xor = xor <4 x i32> %shuf1, %shuf2
ret <4 x i32> %xor
}
define <4 x i32> @combine_bitwise_ops_test1c(<4 x i32> %a, <4 x i32> %b, <4 x i32> %c) {
; SSE-LABEL: combine_bitwise_ops_test1c:
; SSE: # %bb.0:
; SSE-NEXT: andps %xmm1, %xmm0
; SSE-NEXT: shufps {{.*#+}} xmm0 = xmm0[0,2],xmm2[1,3]
; SSE-NEXT: retq
;
; AVX-LABEL: combine_bitwise_ops_test1c:
; AVX: # %bb.0:
; AVX-NEXT: vandps %xmm1, %xmm0, %xmm0
; AVX-NEXT: vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm2[1,3]
; AVX-NEXT: retq
%shuf1 = shufflevector <4 x i32> %a, <4 x i32> %c, <4 x i32><i32 0, i32 2, i32 5, i32 7>
%shuf2 = shufflevector <4 x i32> %b, <4 x i32> %c, <4 x i32><i32 0, i32 2, i32 5, i32 7>
%and = and <4 x i32> %shuf1, %shuf2
ret <4 x i32> %and
}
define <4 x i32> @combine_bitwise_ops_test2c(<4 x i32> %a, <4 x i32> %b, <4 x i32> %c) {
; SSE-LABEL: combine_bitwise_ops_test2c:
; SSE: # %bb.0:
; SSE-NEXT: orps %xmm1, %xmm0
; SSE-NEXT: shufps {{.*#+}} xmm0 = xmm0[0,2],xmm2[1,3]
; SSE-NEXT: retq
;
; AVX-LABEL: combine_bitwise_ops_test2c:
; AVX: # %bb.0:
; AVX-NEXT: vorps %xmm1, %xmm0, %xmm0
; AVX-NEXT: vshufps {{.*#+}} xmm0 = xmm0[0,2],xmm2[1,3]
; AVX-NEXT: retq
%shuf1 = shufflevector <4 x i32> %a, <4 x i32> %c, <4 x i32><i32 0, i32 2, i32 5, i32 7>
%shuf2 = shufflevector <4 x i32> %b, <4 x i32> %c, <4 x i32><i32 0, i32 2, i32 5, i32 7>
%or = or <4 x i32> %shuf1, %shuf2
ret <4 x i32> %or
}
define <4 x i32> @combine_bitwise_ops_test3c(<4 x i32> %a, <4 x i32> %b, <4 x i32> %c) {
; SSE2-LABEL: combine_bitwise_ops_test3c:
; SSE2: # %bb.0:
; SSE2-NEXT: xorps %xmm1, %xmm0
; SSE2-NEXT: xorps %xmm1, %xmm1
; SSE2-NEXT: shufps {{.*#+}} xmm0 = xmm0[0,2],xmm1[2,3]
; SSE2-NEXT: retq
;
; SSSE3-LABEL: combine_bitwise_ops_test3c:
; SSSE3: # %bb.0:
; SSSE3-NEXT: xorps %xmm1, %xmm0
; SSSE3-NEXT: xorps %xmm1, %xmm1
; SSSE3-NEXT: shufps {{.*#+}} xmm0 = xmm0[0,2],xmm1[2,3]
; SSSE3-NEXT: retq
;
; SSE41-LABEL: combine_bitwise_ops_test3c:
; SSE41: # %bb.0:
; SSE41-NEXT: xorps %xmm1, %xmm0
; SSE41-NEXT: insertps {{.*#+}} xmm0 = xmm0[0,2],zero,zero
; SSE41-NEXT: retq
;
; AVX-LABEL: combine_bitwise_ops_test3c:
; AVX: # %bb.0:
; AVX-NEXT: vxorps %xmm1, %xmm0, %xmm0
; AVX-NEXT: vinsertps {{.*#+}} xmm0 = xmm0[0,2],zero,zero
; AVX-NEXT: retq
%shuf1 = shufflevector <4 x i32> %a, <4 x i32> %c, <4 x i32><i32 0, i32 2, i32 5, i32 7>
%shuf2 = shufflevector <4 x i32> %b, <4 x i32> %c, <4 x i32><i32 0, i32 2, i32 5, i32 7>
%xor = xor <4 x i32> %shuf1, %shuf2
ret <4 x i32> %xor
}
define <4 x i32> @combine_bitwise_ops_test4c(<4 x i32> %a, <4 x i32> %b, <4 x i32> %c) {
; SSE-LABEL: combine_bitwise_ops_test4c:
; SSE: # %bb.0:
; SSE-NEXT: andps %xmm1, %xmm0
; SSE-NEXT: shufps {{.*#+}} xmm2 = xmm2[0,2],xmm0[1,3]
; SSE-NEXT: movaps %xmm2, %xmm0
; SSE-NEXT: retq
;
; AVX-LABEL: combine_bitwise_ops_test4c:
; AVX: # %bb.0:
; AVX-NEXT: vandps %xmm1, %xmm0, %xmm0
; AVX-NEXT: vshufps {{.*#+}} xmm0 = xmm2[0,2],xmm0[1,3]
; AVX-NEXT: retq
%shuf1 = shufflevector <4 x i32> %c, <4 x i32> %a, <4 x i32><i32 0, i32 2, i32 5, i32 7>
%shuf2 = shufflevector <4 x i32> %c, <4 x i32> %b, <4 x i32><i32 0, i32 2, i32 5, i32 7>
%and = and <4 x i32> %shuf1, %shuf2
ret <4 x i32> %and
}
define <4 x i32> @combine_bitwise_ops_test5c(<4 x i32> %a, <4 x i32> %b, <4 x i32> %c) {
; SSE-LABEL: combine_bitwise_ops_test5c:
; SSE: # %bb.0:
; SSE-NEXT: orps %xmm1, %xmm0
; SSE-NEXT: shufps {{.*#+}} xmm2 = xmm2[0,2],xmm0[1,3]
; SSE-NEXT: movaps %xmm2, %xmm0
; SSE-NEXT: retq
;
; AVX-LABEL: combine_bitwise_ops_test5c:
; AVX: # %bb.0:
; AVX-NEXT: vorps %xmm1, %xmm0, %xmm0
; AVX-NEXT: vshufps {{.*#+}} xmm0 = xmm2[0,2],xmm0[1,3]
; AVX-NEXT: retq
%shuf1 = shufflevector <4 x i32> %c, <4 x i32> %a, <4 x i32><i32 0, i32 2, i32 5, i32 7>
%shuf2 = shufflevector <4 x i32> %c, <4 x i32> %b, <4 x i32><i32 0, i32 2, i32 5, i32 7>
%or = or <4 x i32> %shuf1, %shuf2
ret <4 x i32> %or
}
define <4 x i32> @combine_bitwise_ops_test6c(<4 x i32> %a, <4 x i32> %b, <4 x i32> %c) {
; SSE2-LABEL: combine_bitwise_ops_test6c:
; SSE2: # %bb.0:
; SSE2-NEXT: xorps %xmm1, %xmm0
; SSE2-NEXT: xorps %xmm1, %xmm1
; SSE2-NEXT: shufps {{.*#+}} xmm1 = xmm1[0,1],xmm0[1,3]
; SSE2-NEXT: movaps %xmm1, %xmm0
; SSE2-NEXT: retq
;
; SSSE3-LABEL: combine_bitwise_ops_test6c:
; SSSE3: # %bb.0:
; SSSE3-NEXT: xorps %xmm1, %xmm0
; SSSE3-NEXT: xorps %xmm1, %xmm1
; SSSE3-NEXT: shufps {{.*#+}} xmm1 = xmm1[0,1],xmm0[1,3]
; SSSE3-NEXT: movaps %xmm1, %xmm0
; SSSE3-NEXT: retq
;
; SSE41-LABEL: combine_bitwise_ops_test6c:
; SSE41: # %bb.0:
; SSE41-NEXT: xorps %xmm1, %xmm0
; SSE41-NEXT: insertps {{.*#+}} xmm0 = zero,zero,xmm0[1,3]
; SSE41-NEXT: retq
;
; AVX-LABEL: combine_bitwise_ops_test6c:
; AVX: # %bb.0:
; AVX-NEXT: vxorps %xmm1, %xmm0, %xmm0
; AVX-NEXT: vinsertps {{.*#+}} xmm0 = zero,zero,xmm0[1,3]
; AVX-NEXT: retq
%shuf1 = shufflevector <4 x i32> %c, <4 x i32> %a, <4 x i32><i32 0, i32 2, i32 5, i32 7>
%shuf2 = shufflevector <4 x i32> %c, <4 x i32> %b, <4 x i32><i32 0, i32 2, i32 5, i32 7>
%xor = xor <4 x i32> %shuf1, %shuf2
ret <4 x i32> %xor
}
define <4 x i32> @combine_nested_undef_test1(<4 x i32> %A, <4 x i32> %B) {
; SSE-LABEL: combine_nested_undef_test1:
; SSE: # %bb.0:
; SSE-NEXT: pshufd {{.*#+}} xmm0 = xmm0[3,1,0,1]
; SSE-NEXT: retq
;
; AVX-LABEL: combine_nested_undef_test1:
; AVX: # %bb.0:
; AVX-NEXT: vpermilps {{.*#+}} xmm0 = xmm0[3,1,0,1]
; AVX-NEXT: retq
%1 = shufflevector <4 x i32> %A, <4 x i32> %B, <4 x i32> <i32 0, i32 4, i32 3, i32 1>
%2 = shufflevector <4 x i32> %1, <4 x i32> undef, <4 x i32> <i32 2, i32 4, i32 0, i32 3>
ret <4 x i32> %2
}
define <4 x i32> @combine_nested_undef_test2(<4 x i32> %A, <4 x i32> %B) {
; SSE-LABEL: combine_nested_undef_test2:
; SSE: # %bb.0:
; SSE-NEXT: pshufd {{.*#+}} xmm0 = xmm0[2,1,0,3]
; SSE-NEXT: retq
;
; AVX-LABEL: combine_nested_undef_test2:
; AVX: # %bb.0:
; AVX-NEXT: vpermilps {{.*#+}} xmm0 = xmm0[2,1,0,3]
; AVX-NEXT: retq
%1 = shufflevector <4 x i32> %A, <4 x i32> %B, <4 x i32> <i32 0, i32 5, i32 2, i32 3>
%2 = shufflevector <4 x i32> %1, <4 x i32> undef, <4 x i32> <i32 2, i32 4, i32 0, i32 3>
ret <4 x i32> %2
}
define <4 x i32> @combine_nested_undef_test3(<4 x i32> %A, <4 x i32> %B) {
; SSE-LABEL: combine_nested_undef_test3:
; SSE: # %bb.0:
; SSE-NEXT: pshufd {{.*#+}} xmm0 = xmm0[2,1,0,3]
; SSE-NEXT: retq
;
; AVX-LABEL: combine_nested_undef_test3:
; AVX: # %bb.0:
; AVX-NEXT: vpermilps {{.*#+}} xmm0 = xmm0[2,1,0,3]
; AVX-NEXT: retq
%1 = shufflevector <4 x i32> %A, <4 x i32> %B, <4 x i32> <i32 0, i32 6, i32 2, i32 3>
%2 = shufflevector <4 x i32> %1, <4 x i32> undef, <4 x i32> <i32 2, i32 4, i32 0, i32 3>
ret <4 x i32> %2
}
define <4 x i32> @combine_nested_undef_test4(<4 x i32> %A, <4 x i32> %B) {
; SSE-LABEL: combine_nested_undef_test4:
; SSE: # %bb.0:
; SSE-NEXT: pshufd {{.*#+}} xmm0 = xmm0[0,1,0,1]
; SSE-NEXT: retq
;
; AVX1-LABEL: combine_nested_undef_test4:
; AVX1: # %bb.0:
; AVX1-NEXT: vpermilps {{.*#+}} xmm0 = xmm0[0,1,0,1]
; AVX1-NEXT: retq
;
; AVX2-LABEL: combine_nested_undef_test4:
; AVX2: # %bb.0:
; AVX2-NEXT: vmovddup {{.*#+}} xmm0 = xmm0[0,0]
; AVX2-NEXT: retq
%1 = shufflevector <4 x i32> %A, <4 x i32> %B, <4 x i32> <i32 0, i32 4, i32 7, i32 1>
%2 = shufflevector <4 x i32> %1, <4 x i32> undef, <4 x i32> <i32 4, i32 4, i32 0, i32 3>
ret <4 x i32> %2
}
define <4 x i32> @combine_nested_undef_test5(<4 x i32> %A, <4 x i32> %B) {
; SSE-LABEL: combine_nested_undef_test5:
; SSE: # %bb.0:
; SSE-NEXT: pshufd {{.*#+}} xmm0 = xmm0[2,3,2,3]
; SSE-NEXT: retq
;
; AVX-LABEL: combine_nested_undef_test5:
; AVX: # %bb.0:
; AVX-NEXT: vpermilps {{.*#+}} xmm0 = xmm0[2,3,2,3]
; AVX-NEXT: retq
%1 = shufflevector <4 x i32> %A, <4 x i32> %B, <4 x i32> <i32 5, i32 5, i32 2, i32 3>
%2 = shufflevector <4 x i32> %1, <4 x i32> undef, <4 x i32> <i32 2, i32 4, i32 4, i32 3>
ret <4 x i32> %2
}
define <4 x i32> @combine_nested_undef_test6(<4 x i32> %A, <4 x i32> %B) {
; SSE-LABEL: combine_nested_undef_test6:
; SSE: # %bb.0:
; SSE-NEXT: pshufd {{.*#+}} xmm0 = xmm0[2,3,0,1]
; SSE-NEXT: retq
;
; AVX-LABEL: combine_nested_undef_test6:
; AVX: # %bb.0:
; AVX-NEXT: vpermilps {{.*#+}} xmm0 = xmm0[2,3,0,1]
; AVX-NEXT: retq
%1 = shufflevector <4 x i32> %A, <4 x i32> %B, <4 x i32> <i32 0, i32 6, i32 2, i32 4>
%2 = shufflevector <4 x i32> %1, <4 x i32> undef, <4 x i32> <i32 2, i32 4, i32 0, i32 4>
ret <4 x i32> %2
}
define <4 x i32> @combine_nested_undef_test7(<4 x i32> %A, <4 x i32> %B) {
; SSE-LABEL: combine_nested_undef_test7:
; SSE: # %bb.0:
; SSE-NEXT: pshufd {{.*#+}} xmm0 = xmm0[0,2,0,2]
; SSE-NEXT: retq
;
; AVX-LABEL: combine_nested_undef_test7:
; AVX: # %bb.0:
; AVX-NEXT: vpermilps {{.*#+}} xmm0 = xmm0[0,2,0,2]
; AVX-NEXT: retq
%1 = shufflevector <4 x i32> %A, <4 x i32> %B, <4 x i32> <i32 0, i32 5, i32 2, i32 7>
%2 = shufflevector <4 x i32> %1, <4 x i32> undef, <4 x i32> <i32 0, i32 2, i32 0, i32 2>
ret <4 x i32> %2
}
define <4 x i32> @combine_nested_undef_test8(<4 x i32> %A, <4 x i32> %B) {
; SSE-LABEL: combine_nested_undef_test8:
; SSE: # %bb.0:
; SSE-NEXT: pshufd {{.*#+}} xmm0 = xmm0[1,1,3,3]
; SSE-NEXT: retq
;
; AVX-LABEL: combine_nested_undef_test8:
; AVX: # %bb.0:
; AVX-NEXT: vpermilps {{.*#+}} xmm0 = xmm0[1,1,3,3]
; AVX-NEXT: retq
%1 = shufflevector <4 x i32> %A, <4 x i32> %B, <4 x i32> <i32 4, i32 1, i32 6, i32 3>
%2 = shufflevector <4 x i32> %1, <4 x i32> undef, <4 x i32> <i32 1, i32 4, i32 3, i32 4>
ret <4 x i32> %2
}
define <4 x i32> @combine_nested_undef_test9(<4 x i32> %A, <4 x i32> %B) {
; SSE-LABEL: combine_nested_undef_test9:
; SSE: # %bb.0:
; SSE-NEXT: pshufd {{.*#+}} xmm0 = xmm0[1,3,2,2]
; SSE-NEXT: retq
;
; AVX-LABEL: combine_nested_undef_test9:
; AVX: # %bb.0:
; AVX-NEXT: vpermilps {{.*#+}} xmm0 = xmm0[1,3,2,2]
; AVX-NEXT: retq
%1 = shufflevector <4 x i32> %A, <4 x i32> %B, <4 x i32> <i32 1, i32 3, i32 2, i32 5>
%2 = shufflevector <4 x i32> %1, <4 x i32> undef, <4 x i32> <i32 0, i32 1, i32 4, i32 2>
ret <4 x i32> %2
}
define <4 x i32> @combine_nested_undef_test10(<4 x i32> %A, <4 x i32> %B) {
; SSE-LABEL: combine_nested_undef_test10:
; SSE: # %bb.0:
; SSE-NEXT: pshufd {{.*#+}} xmm0 = xmm0[1,1,1,3]
; SSE-NEXT: retq
;
; AVX-LABEL: combine_nested_undef_test10:
; AVX: # %bb.0:
; AVX-NEXT: vpermilps {{.*#+}} xmm0 = xmm0[1,1,1,3]
; AVX-NEXT: retq
%1 = shufflevector <4 x i32> %A, <4 x i32> %B, <4 x i32> <i32 1, i32 1, i32 5, i32 5>
%2 = shufflevector <4 x i32> %1, <4 x i32> undef, <4 x i32> <i32 0, i32 4, i32 1, i32 4>
ret <4 x i32> %2
}
define <4 x i32> @combine_nested_undef_test11(<4 x i32> %A, <4 x i32> %B) {
; SSE-LABEL: combine_nested_undef_test11:
; SSE: # %bb.0:
; SSE-NEXT: pshufd {{.*#+}} xmm0 = xmm0[1,1,2,1]
; SSE-NEXT: retq
;
; AVX-LABEL: combine_nested_undef_test11:
; AVX: # %bb.0:
; AVX-NEXT: vpermilps {{.*#+}} xmm0 = xmm0[1,1,2,1]
; AVX-NEXT: retq
%1 = shufflevector <4 x i32> %A, <4 x i32> %B, <4 x i32> <i32 1, i32 2, i32 5, i32 4>
%2 = shufflevector <4 x i32> %1, <4 x i32> undef, <4 x i32> <i32 0, i32 4, i32 1, i32 0>
ret <4 x i32> %2
}
define <4 x i32> @combine_nested_undef_test12(<4 x i32> %A, <4 x i32> %B) {
; SSE-LABEL: combine_nested_undef_test12:
; SSE: # %bb.0:
; SSE-NEXT: pshufd {{.*#+}} xmm0 = xmm0[0,1,0,1]
; SSE-NEXT: retq
;
; AVX1-LABEL: combine_nested_undef_test12:
; AVX1: # %bb.0:
; AVX1-NEXT: vpermilps {{.*#+}} xmm0 = xmm0[0,1,0,1]
; AVX1-NEXT: retq
;
; AVX2-LABEL: combine_nested_undef_test12:
; AVX2: # %bb.0:
; AVX2-NEXT: vbroadcastss %xmm0, %xmm0
; AVX2-NEXT: retq
%1 = shufflevector <4 x i32> %A, <4 x i32> %B, <4 x i32> <i32 0, i32 0, i32 2, i32 4>
%2 = shufflevector <4 x i32> %1, <4 x i32> undef, <4 x i32> <i32 1, i32 4, i32 0, i32 4>
ret <4 x i32> %2
}
; The following pair of shuffles is folded into vector %A.
define <4 x i32> @combine_nested_undef_test13(<4 x i32> %A, <4 x i32> %B) {
; CHECK-LABEL: combine_nested_undef_test13:
; CHECK: # %bb.0:
; CHECK-NEXT: retq
%1 = shufflevector <4 x i32> %A, <4 x i32> %B, <4 x i32> <i32 1, i32 4, i32 2, i32 6>
%2 = shufflevector <4 x i32> %1, <4 x i32> undef, <4 x i32> <i32 4, i32 0, i32 2, i32 4>
ret <4 x i32> %2
}
; The following pair of shuffles is folded into vector %B.
define <4 x i32> @combine_nested_undef_test14(<4 x i32> %A, <4 x i32> %B) {
; SSE-LABEL: combine_nested_undef_test14:
; SSE: # %bb.0:
; SSE-NEXT: movaps %xmm1, %xmm0
; SSE-NEXT: retq
;
; AVX-LABEL: combine_nested_undef_test14:
; AVX: # %bb.0:
; AVX-NEXT: vmovaps %xmm1, %xmm0
; AVX-NEXT: retq
%1 = shufflevector <4 x i32> %A, <4 x i32> %B, <4 x i32> <i32 0, i32 6, i32 2, i32 4>
%2 = shufflevector <4 x i32> %1, <4 x i32> undef, <4 x i32> <i32 3, i32 4, i32 1, i32 4>
ret <4 x i32> %2
}
; Verify that we don't optimize the following cases. We expect more than one shuffle.
;
; FIXME: Many of these already don't make sense, and the rest should stop
; making sense with th enew vector shuffle lowering. Revisit at least testing for
; it.
define <4 x i32> @combine_nested_undef_test15(<4 x i32> %A, <4 x i32> %B) {
; SSE2-LABEL: combine_nested_undef_test15:
; SSE2: # %bb.0:
; SSE2-NEXT: shufps {{.*#+}} xmm1 = xmm1[0,0],xmm0[3,0]
; SSE2-NEXT: shufps {{.*#+}} xmm1 = xmm1[2,0],xmm0[0,1]
; SSE2-NEXT: movaps %xmm1, %xmm0
; SSE2-NEXT: retq
;
; SSSE3-LABEL: combine_nested_undef_test15:
; SSSE3: # %bb.0:
; SSSE3-NEXT: shufps {{.*#+}} xmm1 = xmm1[0,0],xmm0[3,0]
; SSSE3-NEXT: shufps {{.*#+}} xmm1 = xmm1[2,0],xmm0[0,1]
; SSSE3-NEXT: movaps %xmm1, %xmm0
; SSSE3-NEXT: retq
;
; SSE41-LABEL: combine_nested_undef_test15:
; SSE41: # %bb.0:
; SSE41-NEXT: pshufd {{.*#+}} xmm1 = xmm1[0,0,1,1]
; SSE41-NEXT: pshufd {{.*#+}} xmm0 = xmm0[3,1,0,1]
; SSE41-NEXT: pblendw {{.*#+}} xmm0 = xmm0[0,1],xmm1[2,3],xmm0[4,5,6,7]
; SSE41-NEXT: retq
;
; AVX1-LABEL: combine_nested_undef_test15:
; AVX1: # %bb.0:
; AVX1-NEXT: vpermilps {{.*#+}} xmm1 = xmm1[0,0,1,1]
; AVX1-NEXT: vpermilps {{.*#+}} xmm0 = xmm0[3,1,0,1]
; AVX1-NEXT: vblendps {{.*#+}} xmm0 = xmm0[0],xmm1[1],xmm0[2,3]
; AVX1-NEXT: retq
;
; AVX2-LABEL: combine_nested_undef_test15:
; AVX2: # %bb.0:
; AVX2-NEXT: vbroadcastss %xmm1, %xmm1
; AVX2-NEXT: vpermilps {{.*#+}} xmm0 = xmm0[3,1,0,1]
; AVX2-NEXT: vblendps {{.*#+}} xmm0 = xmm0[0],xmm1[1],xmm0[2,3]
; AVX2-NEXT: retq
%1 = shufflevector <4 x i32> %A, <4 x i32> %B, <4 x i32> <i32 0, i32 4, i32 3, i32 1>
%2 = shufflevector <4 x i32> %1, <4 x i32> undef, <4 x i32> <i32 2, i32 1, i32 0, i32 3>
ret <4 x i32> %2
}
define <4 x i32> @combine_nested_undef_test16(<4 x i32> %A, <4 x i32> %B) {
; SSE2-LABEL: combine_nested_undef_test16:
; SSE2: # %bb.0:
; SSE2-NEXT: pshufd {{.*#+}} xmm1 = xmm1[1,3,2,3]
; SSE2-NEXT: pshufd {{.*#+}} xmm0 = xmm0[2,0,2,3]
; SSE2-NEXT: punpckldq {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
; SSE2-NEXT: retq
;
; SSSE3-LABEL: combine_nested_undef_test16:
; SSSE3: # %bb.0:
; SSSE3-NEXT: pshufd {{.*#+}} xmm1 = xmm1[1,3,2,3]
; SSSE3-NEXT: pshufd {{.*#+}} xmm0 = xmm0[2,0,2,3]
; SSSE3-NEXT: punpckldq {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
; SSSE3-NEXT: retq
;
; SSE41-LABEL: combine_nested_undef_test16:
; SSE41: # %bb.0:
; SSE41-NEXT: pshufd {{.*#+}} xmm0 = xmm0[2,3,0,1]
; SSE41-NEXT: pblendw {{.*#+}} xmm0 = xmm0[0,1],xmm1[2,3],xmm0[4,5],xmm1[6,7]
; SSE41-NEXT: retq
;
; AVX-LABEL: combine_nested_undef_test16:
; AVX: # %bb.0:
; AVX-NEXT: vpermilps {{.*#+}} xmm0 = xmm0[2,3,0,1]
; AVX-NEXT: vblendps {{.*#+}} xmm0 = xmm0[0],xmm1[1],xmm0[2],xmm1[3]
; AVX-NEXT: retq
%1 = shufflevector <4 x i32> %A, <4 x i32> %B, <4 x i32> <i32 0, i32 5, i32 2, i32 7>
%2 = shufflevector <4 x i32> %1, <4 x i32> undef, <4 x i32> <i32 2, i32 1, i32 0, i32 3>
ret <4 x i32> %2
}
define <4 x i32> @combine_nested_undef_test17(<4 x i32> %A, <4 x i32> %B) {
; SSE2-LABEL: combine_nested_undef_test17:
; SSE2: # %bb.0:
; SSE2-NEXT: shufps {{.*#+}} xmm1 = xmm1[0,0],xmm0[1,0]
; SSE2-NEXT: shufps {{.*#+}} xmm0 = xmm0[3,1],xmm1[0,2]
; SSE2-NEXT: retq
;
; SSSE3-LABEL: combine_nested_undef_test17:
; SSSE3: # %bb.0:
; SSSE3-NEXT: shufps {{.*#+}} xmm1 = xmm1[0,0],xmm0[1,0]
; SSSE3-NEXT: shufps {{.*#+}} xmm0 = xmm0[3,1],xmm1[0,2]
; SSSE3-NEXT: retq
;
; SSE41-LABEL: combine_nested_undef_test17:
; SSE41: # %bb.0:
; SSE41-NEXT: pblendw {{.*#+}} xmm0 = xmm1[0,1],xmm0[2,3,4,5,6,7]
; SSE41-NEXT: pshufd {{.*#+}} xmm0 = xmm0[3,1,0,1]
; SSE41-NEXT: retq
;
; AVX-LABEL: combine_nested_undef_test17:
; AVX: # %bb.0:
; AVX-NEXT: vblendps {{.*#+}} xmm0 = xmm1[0],xmm0[1,2,3]
; AVX-NEXT: vpermilps {{.*#+}} xmm0 = xmm0[3,1,0,1]
; AVX-NEXT: retq
%1 = shufflevector <4 x i32> %A, <4 x i32> %B, <4 x i32> <i32 4, i32 1, i32 3, i32 1>
%2 = shufflevector <4 x i32> %1, <4 x i32> undef, <4 x i32> <i32 2, i32 1, i32 0, i32 3>
ret <4 x i32> %2
}
define <4 x i32> @combine_nested_undef_test18(<4 x i32> %A, <4 x i32> %B) {
; SSE-LABEL: combine_nested_undef_test18:
; SSE: # %bb.0:
; SSE-NEXT: pshufd {{.*#+}} xmm0 = xmm1[1,1,0,3]
; SSE-NEXT: retq
;
; AVX-LABEL: combine_nested_undef_test18:
; AVX: # %bb.0:
; AVX-NEXT: vpermilps {{.*#+}} xmm0 = xmm1[1,1,0,3]
; AVX-NEXT: retq
%1 = shufflevector <4 x i32> %A, <4 x i32> %B, <4 x i32> <i32 4, i32 5, i32 2, i32 7>
%2 = shufflevector <4 x i32> %1, <4 x i32> undef, <4 x i32> <i32 1, i32 1, i32 0, i32 3>
ret <4 x i32> %2
}
define <4 x i32> @combine_nested_undef_test19(<4 x i32> %A, <4 x i32> %B) {
; SSE2-LABEL: combine_nested_undef_test19:
; SSE2: # %bb.0:
; SSE2-NEXT: punpckldq {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
; SSE2-NEXT: pshufd {{.*#+}} xmm0 = xmm0[3,0,0,0]
; SSE2-NEXT: retq
;
; SSSE3-LABEL: combine_nested_undef_test19:
; SSSE3: # %bb.0:
; SSSE3-NEXT: punpckldq {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
; SSSE3-NEXT: pshufd {{.*#+}} xmm0 = xmm0[3,0,0,0]
; SSSE3-NEXT: retq
;
; SSE41-LABEL: combine_nested_undef_test19:
; SSE41: # %bb.0:
; SSE41-NEXT: pblendw {{.*#+}} xmm0 = xmm0[0,1],xmm1[2,3],xmm0[4,5,6,7]
; SSE41-NEXT: pshufd {{.*#+}} xmm0 = xmm0[1,0,0,0]
; SSE41-NEXT: retq
;
; AVX-LABEL: combine_nested_undef_test19:
; AVX: # %bb.0:
; AVX-NEXT: vblendps {{.*#+}} xmm0 = xmm0[0],xmm1[1],xmm0[2,3]
; AVX-NEXT: vpermilps {{.*#+}} xmm0 = xmm0[1,0,0,0]
; AVX-NEXT: retq
%1 = shufflevector <4 x i32> %A, <4 x i32> %B, <4 x i32> <i32 0, i32 4, i32 5, i32 6>
%2 = shufflevector <4 x i32> %1, <4 x i32> undef, <4 x i32> <i32 2, i32 0, i32 0, i32 0>
ret <4 x i32> %2
}
define <4 x i32> @combine_nested_undef_test20(<4 x i32> %A, <4 x i32> %B) {
; SSE2-LABEL: combine_nested_undef_test20:
; SSE2: # %bb.0:
; SSE2-NEXT: shufps {{.*#+}} xmm1 = xmm1[0,0],xmm0[2,3]
; SSE2-NEXT: shufps {{.*#+}} xmm1 = xmm1[0,2,3,1]
; SSE2-NEXT: movaps %xmm1, %xmm0
; SSE2-NEXT: retq
;
; SSSE3-LABEL: combine_nested_undef_test20:
; SSSE3: # %bb.0:
; SSSE3-NEXT: shufps {{.*#+}} xmm1 = xmm1[0,0],xmm0[2,3]
; SSSE3-NEXT: shufps {{.*#+}} xmm1 = xmm1[0,2,3,1]
; SSSE3-NEXT: movaps %xmm1, %xmm0
; SSSE3-NEXT: retq
;
; SSE41-LABEL: combine_nested_undef_test20:
; SSE41: # %bb.0:
; SSE41-NEXT: pblendw {{.*#+}} xmm0 = xmm1[0,1,2,3],xmm0[4,5,6,7]
; SSE41-NEXT: pshufd {{.*#+}} xmm0 = xmm0[0,2,3,0]
; SSE41-NEXT: retq
;
; AVX-LABEL: combine_nested_undef_test20:
; AVX: # %bb.0:
; AVX-NEXT: vblendps {{.*#+}} xmm0 = xmm1[0,1],xmm0[2,3]
; AVX-NEXT: vpermilps {{.*#+}} xmm0 = xmm0[0,2,3,0]
; AVX-NEXT: retq
%1 = shufflevector <4 x i32> %A, <4 x i32> %B, <4 x i32> <i32 3, i32 2, i32 4, i32 4>
%2 = shufflevector <4 x i32> %1, <4 x i32> undef, <4 x i32> <i32 2, i32 1, i32 0, i32 3>
ret <4 x i32> %2
}
define <4 x i32> @combine_nested_undef_test21(<4 x i32> %A, <4 x i32> %B) {
; SSE2-LABEL: combine_nested_undef_test21:
; SSE2: # %bb.0:
; SSE2-NEXT: punpckldq {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1]
; SSE2-NEXT: pshufd {{.*#+}} xmm0 = xmm1[0,3,0,3]
; SSE2-NEXT: retq
;
; SSSE3-LABEL: combine_nested_undef_test21:
; SSSE3: # %bb.0:
; SSSE3-NEXT: punpckldq {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1]
; SSSE3-NEXT: pshufd {{.*#+}} xmm0 = xmm1[0,3,0,3]
; SSSE3-NEXT: retq
;
; SSE41-LABEL: combine_nested_undef_test21:
; SSE41: # %bb.0:
; SSE41-NEXT: pblendw {{.*#+}} xmm0 = xmm1[0,1],xmm0[2,3],xmm1[4,5,6,7]
; SSE41-NEXT: pshufd {{.*#+}} xmm0 = xmm0[0,1,0,1]
; SSE41-NEXT: retq
;
; AVX1-LABEL: combine_nested_undef_test21:
; AVX1: # %bb.0:
; AVX1-NEXT: vblendps {{.*#+}} xmm0 = xmm1[0],xmm0[1],xmm1[2,3]
; AVX1-NEXT: vpermilps {{.*#+}} xmm0 = xmm0[0,1,0,1]
; AVX1-NEXT: retq
;
; AVX2-LABEL: combine_nested_undef_test21:
; AVX2: # %bb.0:
; AVX2-NEXT: vblendps {{.*#+}} xmm0 = xmm1[0],xmm0[1],xmm1[2,3]
; AVX2-NEXT: vmovddup {{.*#+}} xmm0 = xmm0[0,0]
; AVX2-NEXT: retq
%1 = shufflevector <4 x i32> %A, <4 x i32> %B, <4 x i32> <i32 4, i32 1, i32 3, i32 1>
%2 = shufflevector <4 x i32> %1, <4 x i32> undef, <4 x i32> <i32 0, i32 1, i32 0, i32 3>
ret <4 x i32> %2
}
; Test that we correctly combine shuffles according to rule
; shuffle(shuffle(x, y), undef) -> shuffle(y, undef)
define <4 x i32> @combine_nested_undef_test22(<4 x i32> %A, <4 x i32> %B) {
; SSE-LABEL: combine_nested_undef_test22:
; SSE: # %bb.0:
; SSE-NEXT: pshufd {{.*#+}} xmm0 = xmm1[1,1,1,3]
; SSE-NEXT: retq
;
; AVX-LABEL: combine_nested_undef_test22:
; AVX: # %bb.0:
; AVX-NEXT: vpermilps {{.*#+}} xmm0 = xmm1[1,1,1,3]
; AVX-NEXT: retq
%1 = shufflevector <4 x i32> %A, <4 x i32> %B, <4 x i32> <i32 4, i32 5, i32 2, i32 7>
%2 = shufflevector <4 x i32> %1, <4 x i32> undef, <4 x i32> <i32 1, i32 1, i32 1, i32 3>
ret <4 x i32> %2
}
define <4 x i32> @combine_nested_undef_test23(<4 x i32> %A, <4 x i32> %B) {
; SSE-LABEL: combine_nested_undef_test23:
; SSE: # %bb.0:
; SSE-NEXT: pshufd {{.*#+}} xmm0 = xmm1[0,1,0,3]
; SSE-NEXT: retq
;
; AVX-LABEL: combine_nested_undef_test23:
; AVX: # %bb.0:
; AVX-NEXT: vpermilps {{.*#+}} xmm0 = xmm1[0,1,0,3]
; AVX-NEXT: retq
%1 = shufflevector <4 x i32> %A, <4 x i32> %B, <4 x i32> <i32 4, i32 5, i32 2, i32 7>
%2 = shufflevector <4 x i32> %1, <4 x i32> undef, <4 x i32> <i32 0, i32 1, i32 0, i32 3>
ret <4 x i32> %2
}
define <4 x i32> @combine_nested_undef_test24(<4 x i32> %A, <4 x i32> %B) {
; SSE-LABEL: combine_nested_undef_test24:
; SSE: # %bb.0:
; SSE-NEXT: pshufd {{.*#+}} xmm0 = xmm1[0,3,2,3]
; SSE-NEXT: retq
;
; AVX-LABEL: combine_nested_undef_test24:
; AVX: # %bb.0:
; AVX-NEXT: vpermilps {{.*#+}} xmm0 = xmm1[0,3,2,3]
; AVX-NEXT: retq
%1 = shufflevector <4 x i32> %A, <4 x i32> %B, <4 x i32> <i32 4, i32 1, i32 6, i32 7>
%2 = shufflevector <4 x i32> %1, <4 x i32> undef, <4 x i32> <i32 0, i32 3, i32 2, i32 4>
ret <4 x i32> %2
}
define <4 x i32> @combine_nested_undef_test25(<4 x i32> %A, <4 x i32> %B) {
; SSE-LABEL: combine_nested_undef_test25:
; SSE: # %bb.0:
; SSE-NEXT: pshufd {{.*#+}} xmm0 = xmm0[0,1,0,1]
; SSE-NEXT: retq
;
; AVX1-LABEL: combine_nested_undef_test25:
; AVX1: # %bb.0:
; AVX1-NEXT: vpermilps {{.*#+}} xmm0 = xmm0[0,1,0,1]
; AVX1-NEXT: retq
;
; AVX2-LABEL: combine_nested_undef_test25:
; AVX2: # %bb.0:
; AVX2-NEXT: vmovddup {{.*#+}} xmm0 = xmm0[0,0]
; AVX2-NEXT: retq
%1 = shufflevector <4 x i32> %B, <4 x i32> %A, <4 x i32> <i32 1, i32 5, i32 2, i32 4>
%2 = shufflevector <4 x i32> %1, <4 x i32> undef, <4 x i32> <i32 3, i32 1, i32 3, i32 1>
ret <4 x i32> %2
}
define <4 x i32> @combine_nested_undef_test26(<4 x i32> %A, <4 x i32> %B) {
; SSE-LABEL: combine_nested_undef_test26:
; SSE: # %bb.0:
; SSE-NEXT: pshufd {{.*#+}} xmm0 = xmm0[2,3,2,3]
; SSE-NEXT: retq
;
; AVX-LABEL: combine_nested_undef_test26:
; AVX: # %bb.0:
; AVX-NEXT: vpermilps {{.*#+}} xmm0 = xmm0[2,3,2,3]
; AVX-NEXT: retq
%1 = shufflevector <4 x i32> %B, <4 x i32> %A, <4 x i32> <i32 1, i32 2, i32 6, i32 7>
%2 = shufflevector <4 x i32> %1, <4 x i32> undef, <4 x i32> <i32 2, i32 3, i32 2, i32 3>
ret <4 x i32> %2
}
define <4 x i32> @combine_nested_undef_test27(<4 x i32> %A, <4 x i32> %B) {
; SSE-LABEL: combine_nested_undef_test27:
; SSE: # %bb.0:
; SSE-NEXT: pshufd {{.*#+}} xmm0 = xmm0[0,1,0,1]
; SSE-NEXT: retq
;
; AVX1-LABEL: combine_nested_undef_test27:
; AVX1: # %bb.0:
; AVX1-NEXT: vpermilps {{.*#+}} xmm0 = xmm0[0,1,0,1]
; AVX1-NEXT: retq
;
; AVX2-LABEL: combine_nested_undef_test27:
; AVX2: # %bb.0:
; AVX2-NEXT: vmovddup {{.*#+}} xmm0 = xmm0[0,0]
; AVX2-NEXT: retq
%1 = shufflevector <4 x i32> %B, <4 x i32> %A, <4 x i32> <i32 2, i32 1, i32 5, i32 4>
%2 = shufflevector <4 x i32> %1, <4 x i32> undef, <4 x i32> <i32 3, i32 2, i32 3, i32 2>
ret <4 x i32> %2
}
define <4 x i32> @combine_nested_undef_test28(<4 x i32> %A, <4 x i32> %B) {
; SSE-LABEL: combine_nested_undef_test28:
; SSE: # %bb.0:
; SSE-NEXT: pshufd {{.*#+}} xmm0 = xmm0[0,1,1,0]
; SSE-NEXT: retq
;
; AVX-LABEL: combine_nested_undef_test28:
; AVX: # %bb.0:
; AVX-NEXT: vpermilps {{.*#+}} xmm0 = xmm0[0,1,1,0]
; AVX-NEXT: retq
%1 = shufflevector <4 x i32> %B, <4 x i32> %A, <4 x i32> <i32 1, i32 2, i32 4, i32 5>
%2 = shufflevector <4 x i32> %1, <4 x i32> undef, <4 x i32> <i32 2, i32 3, i32 3, i32 2>
ret <4 x i32> %2
}
define <4 x float> @combine_test1(<4 x float> %a, <4 x float> %b) {
; SSE-LABEL: combine_test1:
; SSE: # %bb.0:
; SSE-NEXT: movaps %xmm1, %xmm0
; SSE-NEXT: retq
;
; AVX-LABEL: combine_test1:
; AVX: # %bb.0:
; AVX-NEXT: vmovaps %xmm1, %xmm0
; AVX-NEXT: retq
%1 = shufflevector <4 x float> %a, <4 x float> %b, <4 x i32> <i32 4, i32 1, i32 6, i32 3>
%2 = shufflevector <4 x float> %1, <4 x float> %b, <4 x i32> <i32 0, i32 5, i32 2, i32 7>
ret <4 x float> %2
}
define <4 x float> @combine_test2(<4 x float> %a, <4 x float> %b) {
; SSE2-LABEL: combine_test2:
; SSE2: # %bb.0:
; SSE2-NEXT: movss {{.*#+}} xmm1 = xmm0[0],xmm1[1,2,3]
; SSE2-NEXT: movaps %xmm1, %xmm0
; SSE2-NEXT: retq
;
; SSSE3-LABEL: combine_test2:
; SSSE3: # %bb.0:
; SSSE3-NEXT: movss {{.*#+}} xmm1 = xmm0[0],xmm1[1,2,3]
; SSSE3-NEXT: movaps %xmm1, %xmm0
; SSSE3-NEXT: retq
;
; SSE41-LABEL: combine_test2:
; SSE41: # %bb.0:
; SSE41-NEXT: blendps {{.*#+}} xmm0 = xmm0[0],xmm1[1,2,3]
; SSE41-NEXT: retq
;
; AVX-LABEL: combine_test2:
; AVX: # %bb.0:
; AVX-NEXT: vblendps {{.*#+}} xmm0 = xmm0[0],xmm1[1,2,3]
; AVX-NEXT: retq
%1 = shufflevector <4 x float> %a, <4 x float> %b, <4 x i32> <i32 0, i32 5, i32 2, i32 7>
%2 = shufflevector <4 x float> %1, <4 x float> %b, <4 x i32> <i32 0, i32 1, i32 6, i32 3>
ret <4 x float> %2
}
define <4 x float> @combine_test3(<4 x float> %a, <4 x float> %b) {
; SSE-LABEL: combine_test3:
; SSE: # %bb.0:
; SSE-NEXT: movlhps {{.*#+}} xmm0 = xmm0[0],xmm1[0]
; SSE-NEXT: retq
;
; AVX-LABEL: combine_test3:
; AVX: # %bb.0:
; AVX-NEXT: vmovlhps {{.*#+}} xmm0 = xmm0[0],xmm1[0]
; AVX-NEXT: retq
%1 = shufflevector <4 x float> %a, <4 x float> %b, <4 x i32> <i32 0, i32 5, i32 1, i32 7>
%2 = shufflevector <4 x float> %1, <4 x float> %b, <4 x i32> <i32 0, i32 2, i32 4, i32 1>
ret <4 x float> %2
}
define <4 x float> @combine_test4(<4 x float> %a, <4 x float> %b) {
; SSE-LABEL: combine_test4:
; SSE: # %bb.0:
; SSE-NEXT: movhlps {{.*#+}} xmm0 = xmm1[1],xmm0[1]
; SSE-NEXT: retq
;
; AVX-LABEL: combine_test4:
; AVX: # %bb.0:
; AVX-NEXT: vunpckhpd {{.*#+}} xmm0 = xmm1[1],xmm0[1]
; AVX-NEXT: retq
%1 = shufflevector <4 x float> %a, <4 x float> %b, <4 x i32> <i32 2, i32 3, i32 5, i32 5>
%2 = shufflevector <4 x float> %1, <4 x float> %b, <4 x i32> <i32 6, i32 7, i32 0, i32 1>
ret <4 x float> %2
}
define <4 x float> @combine_test5(<4 x float> %a, <4 x float> %b) {
; SSE2-LABEL: combine_test5:
; SSE2: # %bb.0:
; SSE2-NEXT: shufps {{.*#+}} xmm0 = xmm0[1,0],xmm1[0,0]
; SSE2-NEXT: shufps {{.*#+}} xmm0 = xmm0[2,0],xmm1[2,3]
; SSE2-NEXT: retq
;
; SSSE3-LABEL: combine_test5:
; SSSE3: # %bb.0:
; SSSE3-NEXT: shufps {{.*#+}} xmm0 = xmm0[1,0],xmm1[0,0]
; SSSE3-NEXT: shufps {{.*#+}} xmm0 = xmm0[2,0],xmm1[2,3]
; SSSE3-NEXT: retq
;
; SSE41-LABEL: combine_test5:
; SSE41: # %bb.0:
; SSE41-NEXT: blendps {{.*#+}} xmm0 = xmm1[0],xmm0[1],xmm1[2,3]
; SSE41-NEXT: retq
;
; AVX-LABEL: combine_test5:
; AVX: # %bb.0:
; AVX-NEXT: vblendps {{.*#+}} xmm0 = xmm1[0],xmm0[1],xmm1[2,3]
; AVX-NEXT: retq
%1 = shufflevector <4 x float> %a, <4 x float> %b, <4 x i32> <i32 4, i32 1, i32 6, i32 3>
%2 = shufflevector <4 x float> %1, <4 x float> %b, <4 x i32> <i32 0, i32 1, i32 2, i32 7>
ret <4 x float> %2
}
define <4 x i32> @combine_test6(<4 x i32> %a, <4 x i32> %b) {
; SSE-LABEL: combine_test6:
; SSE: # %bb.0:
; SSE-NEXT: movaps %xmm1, %xmm0
; SSE-NEXT: retq
;
; AVX-LABEL: combine_test6:
; AVX: # %bb.0:
; AVX-NEXT: vmovaps %xmm1, %xmm0
; AVX-NEXT: retq
%1 = shufflevector <4 x i32> %a, <4 x i32> %b, <4 x i32> <i32 4, i32 1, i32 6, i32 3>
%2 = shufflevector <4 x i32> %1, <4 x i32> %b, <4 x i32> <i32 0, i32 5, i32 2, i32 7>
ret <4 x i32> %2
}
define <4 x i32> @combine_test7(<4 x i32> %a, <4 x i32> %b) {
; SSE2-LABEL: combine_test7:
; SSE2: # %bb.0:
; SSE2-NEXT: movss {{.*#+}} xmm1 = xmm0[0],xmm1[1,2,3]
; SSE2-NEXT: movaps %xmm1, %xmm0
; SSE2-NEXT: retq
;
; SSSE3-LABEL: combine_test7:
; SSSE3: # %bb.0:
; SSSE3-NEXT: movss {{.*#+}} xmm1 = xmm0[0],xmm1[1,2,3]
; SSSE3-NEXT: movaps %xmm1, %xmm0
; SSSE3-NEXT: retq
;
; SSE41-LABEL: combine_test7:
; SSE41: # %bb.0:
; SSE41-NEXT: blendps {{.*#+}} xmm0 = xmm0[0],xmm1[1,2,3]
; SSE41-NEXT: retq
;
; AVX-LABEL: combine_test7:
; AVX: # %bb.0:
; AVX-NEXT: vblendps {{.*#+}} xmm0 = xmm0[0],xmm1[1,2,3]
; AVX-NEXT: retq
%1 = shufflevector <4 x i32> %a, <4 x i32> %b, <4 x i32> <i32 0, i32 5, i32 2, i32 7>
%2 = shufflevector <4 x i32> %1, <4 x i32> %b, <4 x i32> <i32 0, i32 1, i32 6, i32 3>
ret <4 x i32> %2
}
define <4 x i32> @combine_test8(<4 x i32> %a, <4 x i32> %b) {
; SSE-LABEL: combine_test8:
; SSE: # %bb.0:
; SSE-NEXT: movlhps {{.*#+}} xmm0 = xmm0[0],xmm1[0]
; SSE-NEXT: retq
;
; AVX-LABEL: combine_test8:
; AVX: # %bb.0:
; AVX-NEXT: vmovlhps {{.*#+}} xmm0 = xmm0[0],xmm1[0]
; AVX-NEXT: retq
%1 = shufflevector <4 x i32> %a, <4 x i32> %b, <4 x i32> <i32 0, i32 5, i32 1, i32 7>
%2 = shufflevector <4 x i32> %1, <4 x i32> %b, <4 x i32> <i32 0, i32 2, i32 4, i32 1>
ret <4 x i32> %2
}
define <4 x i32> @combine_test9(<4 x i32> %a, <4 x i32> %b) {
; SSE-LABEL: combine_test9:
; SSE: # %bb.0:
; SSE-NEXT: unpckhpd {{.*#+}} xmm1 = xmm1[1],xmm0[1]
; SSE-NEXT: movaps %xmm1, %xmm0
; SSE-NEXT: retq
;
; AVX-LABEL: combine_test9:
; AVX: # %bb.0:
; AVX-NEXT: vunpckhpd {{.*#+}} xmm0 = xmm1[1],xmm0[1]
; AVX-NEXT: retq
%1 = shufflevector <4 x i32> %a, <4 x i32> %b, <4 x i32> <i32 2, i32 3, i32 5, i32 5>
%2 = shufflevector <4 x i32> %1, <4 x i32> %b, <4 x i32> <i32 6, i32 7, i32 0, i32 1>
ret <4 x i32> %2
}
define <4 x i32> @combine_test10(<4 x i32> %a, <4 x i32> %b) {
; SSE2-LABEL: combine_test10:
; SSE2: # %bb.0:
; SSE2-NEXT: shufps {{.*#+}} xmm0 = xmm0[1,0],xmm1[0,0]
; SSE2-NEXT: shufps {{.*#+}} xmm0 = xmm0[2,0],xmm1[2,3]
; SSE2-NEXT: retq
;
; SSSE3-LABEL: combine_test10:
; SSSE3: # %bb.0:
; SSSE3-NEXT: shufps {{.*#+}} xmm0 = xmm0[1,0],xmm1[0,0]
; SSSE3-NEXT: shufps {{.*#+}} xmm0 = xmm0[2,0],xmm1[2,3]
; SSSE3-NEXT: retq
;
; SSE41-LABEL: combine_test10:
; SSE41: # %bb.0:
; SSE41-NEXT: blendps {{.*#+}} xmm0 = xmm1[0],xmm0[1],xmm1[2,3]
; SSE41-NEXT: retq
;
; AVX-LABEL: combine_test10:
; AVX: # %bb.0:
; AVX-NEXT: vblendps {{.*#+}} xmm0 = xmm1[0],xmm0[1],xmm1[2,3]
; AVX-NEXT: retq
%1 = shufflevector <4 x i32> %a, <4 x i32> %b, <4 x i32> <i32 4, i32 1, i32 6, i32 3>
%2 = shufflevector <4 x i32> %1, <4 x i32> %b, <4 x i32> <i32 0, i32 1, i32 2, i32 7>
ret <4 x i32> %2
}
define <4 x float> @combine_test11(<4 x float> %a, <4 x float> %b) {
; CHECK-LABEL: combine_test11:
; CHECK: # %bb.0:
; CHECK-NEXT: retq
%1 = shufflevector <4 x float> %a, <4 x float> %b, <4 x i32> <i32 4, i32 1, i32 6, i32 3>
%2 = shufflevector <4 x float> %1, <4 x float> %a, <4 x i32> <i32 4, i32 1, i32 6, i32 3>
ret <4 x float> %2
}
define <4 x float> @combine_test12(<4 x float> %a, <4 x float> %b) {
; SSE2-LABEL: combine_test12:
; SSE2: # %bb.0:
; SSE2-NEXT: movss {{.*#+}} xmm1 = xmm0[0],xmm1[1,2,3]
; SSE2-NEXT: movaps %xmm1, %xmm0
; SSE2-NEXT: retq
;
; SSSE3-LABEL: combine_test12:
; SSSE3: # %bb.0:
; SSSE3-NEXT: movss {{.*#+}} xmm1 = xmm0[0],xmm1[1,2,3]
; SSSE3-NEXT: movaps %xmm1, %xmm0
; SSSE3-NEXT: retq
;
; SSE41-LABEL: combine_test12:
; SSE41: # %bb.0:
; SSE41-NEXT: blendps {{.*#+}} xmm0 = xmm0[0],xmm1[1,2,3]
; SSE41-NEXT: retq
;
; AVX-LABEL: combine_test12:
; AVX: # %bb.0:
; AVX-NEXT: vblendps {{.*#+}} xmm0 = xmm0[0],xmm1[1,2,3]
; AVX-NEXT: retq
%1 = shufflevector <4 x float> %a, <4 x float> %b, <4 x i32> <i32 0, i32 5, i32 6, i32 7>
%2 = shufflevector <4 x float> %1, <4 x float> %a, <4 x i32> <i32 4, i32 1, i32 2, i32 3>
ret <4 x float> %2
}
define <4 x float> @combine_test13(<4 x float> %a, <4 x float> %b) {
; SSE-LABEL: combine_test13:
; SSE: # %bb.0:
; SSE-NEXT: movlhps {{.*#+}} xmm0 = xmm0[0],xmm1[0]
; SSE-NEXT: retq
;
; AVX-LABEL: combine_test13:
; AVX: # %bb.0:
; AVX-NEXT: vmovlhps {{.*#+}} xmm0 = xmm0[0],xmm1[0]
; AVX-NEXT: retq
%1 = shufflevector <4 x float> %a, <4 x float> %b, <4 x i32> <i32 0, i32 1, i32 4, i32 5>
%2 = shufflevector <4 x float> %1, <4 x float> %a, <4 x i32> <i32 4, i32 5, i32 2, i32 3>
ret <4 x float> %2
}
define <4 x float> @combine_test14(<4 x float> %a, <4 x float> %b) {
; SSE-LABEL: combine_test14:
; SSE: # %bb.0:
; SSE-NEXT: unpckhpd {{.*#+}} xmm0 = xmm0[1],xmm1[1]
; SSE-NEXT: retq
;
; AVX-LABEL: combine_test14:
; AVX: # %bb.0:
; AVX-NEXT: vunpckhpd {{.*#+}} xmm0 = xmm0[1],xmm1[1]
; AVX-NEXT: retq
%1 = shufflevector <4 x float> %a, <4 x float> %b, <4 x i32> <i32 6, i32 7, i32 5, i32 5>
%2 = shufflevector <4 x float> %1, <4 x float> %a, <4 x i32> <i32 6, i32 7, i32 0, i32 1>
ret <4 x float> %2
}
define <4 x float> @combine_test15(<4 x float> %a, <4 x float> %b) {
; SSE2-LABEL: combine_test15:
; SSE2: # %bb.0:
; SSE2-NEXT: shufps {{.*#+}} xmm0 = xmm0[1,0],xmm1[0,0]
; SSE2-NEXT: shufps {{.*#+}} xmm0 = xmm0[2,0],xmm1[2,3]
; SSE2-NEXT: retq
;
; SSSE3-LABEL: combine_test15:
; SSSE3: # %bb.0:
; SSSE3-NEXT: shufps {{.*#+}} xmm0 = xmm0[1,0],xmm1[0,0]
; SSSE3-NEXT: shufps {{.*#+}} xmm0 = xmm0[2,0],xmm1[2,3]
; SSSE3-NEXT: retq
;
; SSE41-LABEL: combine_test15:
; SSE41: # %bb.0:
; SSE41-NEXT: blendps {{.*#+}} xmm0 = xmm1[0],xmm0[1],xmm1[2,3]
; SSE41-NEXT: retq
;
; AVX-LABEL: combine_test15:
; AVX: # %bb.0:
; AVX-NEXT: vblendps {{.*#+}} xmm0 = xmm1[0],xmm0[1],xmm1[2,3]
; AVX-NEXT: retq
%1 = shufflevector <4 x float> %a, <4 x float> %b, <4 x i32> <i32 4, i32 1, i32 6, i32 7>
%2 = shufflevector <4 x float> %1, <4 x float> %a, <4 x i32> <i32 0, i32 5, i32 2, i32 3>
ret <4 x float> %2
}
define <4 x i32> @combine_test16(<4 x i32> %a, <4 x i32> %b) {
; CHECK-LABEL: combine_test16:
; CHECK: # %bb.0:
; CHECK-NEXT: retq
%1 = shufflevector <4 x i32> %a, <4 x i32> %b, <4 x i32> <i32 4, i32 1, i32 6, i32 3>
%2 = shufflevector <4 x i32> %1, <4 x i32> %a, <4 x i32> <i32 4, i32 1, i32 6, i32 3>
ret <4 x i32> %2
}
define <4 x i32> @combine_test17(<4 x i32> %a, <4 x i32> %b) {
; SSE2-LABEL: combine_test17:
; SSE2: # %bb.0:
; SSE2-NEXT: movss {{.*#+}} xmm1 = xmm0[0],xmm1[1,2,3]
; SSE2-NEXT: movaps %xmm1, %xmm0
; SSE2-NEXT: retq
;
; SSSE3-LABEL: combine_test17:
; SSSE3: # %bb.0:
; SSSE3-NEXT: movss {{.*#+}} xmm1 = xmm0[0],xmm1[1,2,3]
; SSSE3-NEXT: movaps %xmm1, %xmm0
; SSSE3-NEXT: retq
;
; SSE41-LABEL: combine_test17:
; SSE41: # %bb.0:
; SSE41-NEXT: blendps {{.*#+}} xmm0 = xmm0[0],xmm1[1,2,3]
; SSE41-NEXT: retq
;
; AVX-LABEL: combine_test17:
; AVX: # %bb.0:
; AVX-NEXT: vblendps {{.*#+}} xmm0 = xmm0[0],xmm1[1,2,3]
; AVX-NEXT: retq
%1 = shufflevector <4 x i32> %a, <4 x i32> %b, <4 x i32> <i32 0, i32 5, i32 6, i32 7>
%2 = shufflevector <4 x i32> %1, <4 x i32> %a, <4 x i32> <i32 4, i32 1, i32 2, i32 3>
ret <4 x i32> %2
}
define <4 x i32> @combine_test18(<4 x i32> %a, <4 x i32> %b) {
; SSE-LABEL: combine_test18:
; SSE: # %bb.0:
; SSE-NEXT: movlhps {{.*#+}} xmm0 = xmm0[0],xmm1[0]
; SSE-NEXT: retq
;
; AVX-LABEL: combine_test18:
; AVX: # %bb.0:
; AVX-NEXT: vmovlhps {{.*#+}} xmm0 = xmm0[0],xmm1[0]
; AVX-NEXT: retq
%1 = shufflevector <4 x i32> %a, <4 x i32> %b, <4 x i32> <i32 0, i32 1, i32 4, i32 5>
%2 = shufflevector <4 x i32> %1, <4 x i32> %a, <4 x i32> <i32 4, i32 5, i32 2, i32 3>
ret <4 x i32> %2
}
define <4 x i32> @combine_test19(<4 x i32> %a, <4 x i32> %b) {
; SSE-LABEL: combine_test19:
; SSE: # %bb.0:
; SSE-NEXT: unpckhpd {{.*#+}} xmm0 = xmm0[1],xmm1[1]
; SSE-NEXT: retq
;
; AVX-LABEL: combine_test19:
; AVX: # %bb.0:
; AVX-NEXT: vunpckhpd {{.*#+}} xmm0 = xmm0[1],xmm1[1]
; AVX-NEXT: retq
%1 = shufflevector <4 x i32> %a, <4 x i32> %b, <4 x i32> <i32 6, i32 7, i32 5, i32 5>
%2 = shufflevector <4 x i32> %1, <4 x i32> %a, <4 x i32> <i32 6, i32 7, i32 0, i32 1>
ret <4 x i32> %2
}
define <4 x i32> @combine_test20(<4 x i32> %a, <4 x i32> %b) {
; SSE2-LABEL: combine_test20:
; SSE2: # %bb.0:
; SSE2-NEXT: shufps {{.*#+}} xmm0 = xmm0[1,0],xmm1[0,0]
; SSE2-NEXT: shufps {{.*#+}} xmm0 = xmm0[2,0],xmm1[2,3]
; SSE2-NEXT: retq
;
; SSSE3-LABEL: combine_test20:
; SSSE3: # %bb.0:
; SSSE3-NEXT: shufps {{.*#+}} xmm0 = xmm0[1,0],xmm1[0,0]
; SSSE3-NEXT: shufps {{.*#+}} xmm0 = xmm0[2,0],xmm1[2,3]
; SSSE3-NEXT: retq
;
; SSE41-LABEL: combine_test20:
; SSE41: # %bb.0:
; SSE41-NEXT: blendps {{.*#+}} xmm0 = xmm1[0],xmm0[1],xmm1[2,3]
; SSE41-NEXT: retq
;
; AVX-LABEL: combine_test20:
; AVX: # %bb.0:
; AVX-NEXT: vblendps {{.*#+}} xmm0 = xmm1[0],xmm0[1],xmm1[2,3]
; AVX-NEXT: retq
%1 = shufflevector <4 x i32> %a, <4 x i32> %b, <4 x i32> <i32 4, i32 1, i32 6, i32 7>
%2 = shufflevector <4 x i32> %1, <4 x i32> %a, <4 x i32> <i32 0, i32 5, i32 2, i32 3>
ret <4 x i32> %2
}
define <4 x i32> @combine_test21(<8 x i32> %a, <4 x i32>* %ptr) {
; SSE-LABEL: combine_test21:
; SSE: # %bb.0:
; SSE-NEXT: movaps %xmm0, %xmm2
; SSE-NEXT: movlhps {{.*#+}} xmm2 = xmm2[0],xmm1[0]
; SSE-NEXT: unpckhpd {{.*#+}} xmm0 = xmm0[1],xmm1[1]
; SSE-NEXT: movaps %xmm2, (%rdi)
; SSE-NEXT: retq
;
; AVX-LABEL: combine_test21:
; AVX: # %bb.0:
; AVX-NEXT: vextractf128 $1, %ymm0, %xmm1
; AVX-NEXT: vmovlhps {{.*#+}} xmm2 = xmm0[0],xmm1[0]
; AVX-NEXT: vunpckhpd {{.*#+}} xmm0 = xmm0[1],xmm1[1]
; AVX-NEXT: vmovaps %xmm2, (%rdi)
; AVX-NEXT: vzeroupper
; AVX-NEXT: retq
%1 = shufflevector <8 x i32> %a, <8 x i32> %a, <4 x i32> <i32 0, i32 1, i32 4, i32 5>
%2 = shufflevector <8 x i32> %a, <8 x i32> %a, <4 x i32> <i32 2, i32 3, i32 6, i32 7>
store <4 x i32> %1, <4 x i32>* %ptr, align 16
ret <4 x i32> %2
}
define <8 x float> @combine_test22(<2 x float>* %a, <2 x float>* %b) {
; SSE-LABEL: combine_test22:
; SSE: # %bb.0:
; SSE-NEXT: movsd {{.*#+}} xmm0 = mem[0],zero
; SSE-NEXT: movhpd {{.*#+}} xmm0 = xmm0[0],mem[0]
; SSE-NEXT: retq
;
; AVX-LABEL: combine_test22:
; AVX: # %bb.0:
; AVX-NEXT: vmovsd {{.*#+}} xmm0 = mem[0],zero
; AVX-NEXT: vmovhpd {{.*#+}} xmm0 = xmm0[0],mem[0]
; AVX-NEXT: retq
; Current AVX2 lowering of this is still awful, not adding a test case.
%1 = load <2 x float>, <2 x float>* %a, align 8
%2 = load <2 x float>, <2 x float>* %b, align 8
%3 = shufflevector <2 x float> %1, <2 x float> %2, <8 x i32> <i32 0, i32 1, i32 2, i32 3, i32 undef, i32 undef, i32 undef, i32 undef>
ret <8 x float> %3
}
; PR22359
define void @combine_test23(<8 x float> %v, <2 x float>* %ptr) {
; SSE-LABEL: combine_test23:
; SSE: # %bb.0:
; SSE-NEXT: movups %xmm0, (%rdi)
; SSE-NEXT: retq
;
; AVX-LABEL: combine_test23:
; AVX: # %bb.0:
; AVX-NEXT: vmovups %xmm0, (%rdi)
; AVX-NEXT: vzeroupper
; AVX-NEXT: retq
%idx2 = getelementptr inbounds <2 x float>, <2 x float>* %ptr, i64 1
%shuffle0 = shufflevector <8 x float> %v, <8 x float> undef, <2 x i32> <i32 0, i32 1>
%shuffle1 = shufflevector <8 x float> %v, <8 x float> undef, <2 x i32> <i32 2, i32 3>
store <2 x float> %shuffle0, <2 x float>* %ptr, align 8
store <2 x float> %shuffle1, <2 x float>* %idx2, align 8
ret void
}
; Check some negative cases.
; FIXME: Do any of these really make sense? Are they redundant with the above tests?
define <4 x float> @combine_test1b(<4 x float> %a, <4 x float> %b) {
; SSE-LABEL: combine_test1b:
; SSE: # %bb.0:
; SSE-NEXT: movaps %xmm1, %xmm0
; SSE-NEXT: shufps {{.*#+}} xmm0 = xmm0[0,1],xmm1[2,0]
; SSE-NEXT: retq
;
; AVX-LABEL: combine_test1b:
; AVX: # %bb.0:
; AVX-NEXT: vpermilps {{.*#+}} xmm0 = xmm1[0,1,2,0]
; AVX-NEXT: retq
%1 = shufflevector <4 x float> %a, <4 x float> %b, <4 x i32> <i32 4, i32 1, i32 6, i32 3>
%2 = shufflevector <4 x float> %1, <4 x float> %b, <4 x i32> <i32 0, i32 5, i32 2, i32 0>
ret <4 x float> %2
}
define <4 x float> @combine_test2b(<4 x float> %a, <4 x float> %b) {
; SSE2-LABEL: combine_test2b:
; SSE2: # %bb.0:
; SSE2-NEXT: movaps %xmm1, %xmm0
; SSE2-NEXT: movlhps {{.*#+}} xmm0 = xmm0[0],xmm1[0]
; SSE2-NEXT: retq
;
; SSSE3-LABEL: combine_test2b:
; SSSE3: # %bb.0:
; SSSE3-NEXT: movddup {{.*#+}} xmm0 = xmm1[0,0]
; SSSE3-NEXT: retq
;
; SSE41-LABEL: combine_test2b:
; SSE41: # %bb.0:
; SSE41-NEXT: movddup {{.*#+}} xmm0 = xmm1[0,0]
; SSE41-NEXT: retq
;
; AVX-LABEL: combine_test2b:
; AVX: # %bb.0:
; AVX-NEXT: vmovddup {{.*#+}} xmm0 = xmm1[0,0]
; AVX-NEXT: retq
%1 = shufflevector <4 x float> %a, <4 x float> %b, <4 x i32> <i32 4, i32 1, i32 6, i32 3>
%2 = shufflevector <4 x float> %1, <4 x float> %b, <4 x i32> <i32 0, i32 5, i32 0, i32 5>
ret <4 x float> %2
}
define <4 x float> @combine_test3b(<4 x float> %a, <4 x float> %b) {
; SSE2-LABEL: combine_test3b:
; SSE2: # %bb.0:
; SSE2-NEXT: shufps {{.*#+}} xmm0 = xmm0[0,0],xmm1[3,0]
; SSE2-NEXT: shufps {{.*#+}} xmm0 = xmm0[0,2],xmm1[2,3]
; SSE2-NEXT: retq
;
; SSSE3-LABEL: combine_test3b:
; SSSE3: # %bb.0:
; SSSE3-NEXT: shufps {{.*#+}} xmm0 = xmm0[0,0],xmm1[3,0]
; SSSE3-NEXT: shufps {{.*#+}} xmm0 = xmm0[0,2],xmm1[2,3]
; SSSE3-NEXT: retq
;
; SSE41-LABEL: combine_test3b:
; SSE41: # %bb.0:
; SSE41-NEXT: blendps {{.*#+}} xmm0 = xmm0[0,1],xmm1[2,3]
; SSE41-NEXT: shufps {{.*#+}} xmm0 = xmm0[0,3,2,3]
; SSE41-NEXT: retq
;
; AVX-LABEL: combine_test3b:
; AVX: # %bb.0:
; AVX-NEXT: vblendps {{.*#+}} xmm0 = xmm0[0,1],xmm1[2,3]
; AVX-NEXT: vpermilps {{.*#+}} xmm0 = xmm0[0,3,2,3]
; AVX-NEXT: retq
%1 = shufflevector <4 x float> %a, <4 x float> %b, <4 x i32> <i32 0, i32 0, i32 6, i32 3>
%2 = shufflevector <4 x float> %1, <4 x float> %b, <4 x i32> <i32 0, i32 7, i32 2, i32 7>
ret <4 x float> %2
}
define <4 x float> @combine_test4b(<4 x float> %a, <4 x float> %b) {
; SSE-LABEL: combine_test4b:
; SSE: # %bb.0:
; SSE-NEXT: movaps %xmm1, %xmm0
; SSE-NEXT: shufps {{.*#+}} xmm0 = xmm0[1,1],xmm1[2,3]
; SSE-NEXT: retq
;
; AVX-LABEL: combine_test4b:
; AVX: # %bb.0:
; AVX-NEXT: vpermilps {{.*#+}} xmm0 = xmm1[1,1,2,3]
; AVX-NEXT: retq
%1 = shufflevector <4 x float> %a, <4 x float> %b, <4 x i32> <i32 4, i32 1, i32 6, i32 3>
%2 = shufflevector <4 x float> %1, <4 x float> %b, <4 x i32> <i32 5, i32 5, i32 2, i32 7>
ret <4 x float> %2
}
; Verify that we correctly fold shuffles even when we use illegal vector types.
define <4 x i8> @combine_test1c(<4 x i8>* %a, <4 x i8>* %b) {
; SSE2-LABEL: combine_test1c:
; SSE2: # %bb.0:
; SSE2-NEXT: movss {{.*#+}} xmm1 = mem[0],zero,zero,zero
; SSE2-NEXT: movd {{.*#+}} xmm0 = mem[0],zero,zero,zero
; SSE2-NEXT: punpcklbw {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7]
; SSE2-NEXT: punpcklwd {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3]
; SSE2-NEXT: movss {{.*#+}} xmm0 = xmm1[0],xmm0[1,2,3]
; SSE2-NEXT: retq
;
; SSSE3-LABEL: combine_test1c:
; SSSE3: # %bb.0:
; SSSE3-NEXT: movss {{.*#+}} xmm1 = mem[0],zero,zero,zero
; SSSE3-NEXT: movd {{.*#+}} xmm0 = mem[0],zero,zero,zero
; SSSE3-NEXT: punpcklbw {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7]
; SSSE3-NEXT: punpcklwd {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3]
; SSSE3-NEXT: movss {{.*#+}} xmm0 = xmm1[0],xmm0[1,2,3]
; SSSE3-NEXT: retq
;
; SSE41-LABEL: combine_test1c:
; SSE41: # %bb.0:
; SSE41-NEXT: pmovzxbd {{.*#+}} xmm1 = mem[0],zero,zero,zero,mem[1],zero,zero,zero,mem[2],zero,zero,zero,mem[3],zero,zero,zero
; SSE41-NEXT: pmovzxbd {{.*#+}} xmm0 = mem[0],zero,zero,zero,mem[1],zero,zero,zero,mem[2],zero,zero,zero,mem[3],zero,zero,zero
; SSE41-NEXT: pblendw {{.*#+}} xmm0 = xmm1[0,1],xmm0[2,3,4,5,6,7]
; SSE41-NEXT: retq
;
; AVX1-LABEL: combine_test1c:
; AVX1: # %bb.0:
; AVX1-NEXT: vpmovzxbd {{.*#+}} xmm0 = mem[0],zero,zero,zero,mem[1],zero,zero,zero,mem[2],zero,zero,zero,mem[3],zero,zero,zero
; AVX1-NEXT: vpmovzxbd {{.*#+}} xmm1 = mem[0],zero,zero,zero,mem[1],zero,zero,zero,mem[2],zero,zero,zero,mem[3],zero,zero,zero
; AVX1-NEXT: vpblendw {{.*#+}} xmm0 = xmm0[0,1],xmm1[2,3,4,5,6,7]
; AVX1-NEXT: retq
;
; AVX2-LABEL: combine_test1c:
; AVX2: # %bb.0:
; AVX2-NEXT: vpmovzxbd {{.*#+}} xmm0 = mem[0],zero,zero,zero,mem[1],zero,zero,zero,mem[2],zero,zero,zero,mem[3],zero,zero,zero
; AVX2-NEXT: vpmovzxbd {{.*#+}} xmm1 = mem[0],zero,zero,zero,mem[1],zero,zero,zero,mem[2],zero,zero,zero,mem[3],zero,zero,zero
; AVX2-NEXT: vpblendd {{.*#+}} xmm0 = xmm0[0],xmm1[1,2,3]
; AVX2-NEXT: retq
%A = load <4 x i8>, <4 x i8>* %a
%B = load <4 x i8>, <4 x i8>* %b
%1 = shufflevector <4 x i8> %A, <4 x i8> %B, <4 x i32> <i32 0, i32 5, i32 2, i32 7>
%2 = shufflevector <4 x i8> %1, <4 x i8> %B, <4 x i32> <i32 0, i32 1, i32 6, i32 3>
ret <4 x i8> %2
}
define <4 x i8> @combine_test2c(<4 x i8>* %a, <4 x i8>* %b) {
; SSE2-LABEL: combine_test2c:
; SSE2: # %bb.0:
; SSE2-NEXT: movd {{.*#+}} xmm0 = mem[0],zero,zero,zero
; SSE2-NEXT: punpcklbw {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7]
; SSE2-NEXT: punpcklwd {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3]
; SSE2-NEXT: movd {{.*#+}} xmm1 = mem[0],zero,zero,zero
; SSE2-NEXT: punpcklbw {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1],xmm1[2],xmm0[2],xmm1[3],xmm0[3],xmm1[4],xmm0[4],xmm1[5],xmm0[5],xmm1[6],xmm0[6],xmm1[7],xmm0[7]
; SSE2-NEXT: punpcklwd {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1],xmm1[2],xmm0[2],xmm1[3],xmm0[3]
; SSE2-NEXT: punpcklqdq {{.*#+}} xmm0 = xmm0[0],xmm1[0]
; SSE2-NEXT: retq
;
; SSSE3-LABEL: combine_test2c:
; SSSE3: # %bb.0:
; SSSE3-NEXT: movd {{.*#+}} xmm0 = mem[0],zero,zero,zero
; SSSE3-NEXT: punpcklbw {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7]
; SSSE3-NEXT: punpcklwd {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3]
; SSSE3-NEXT: movd {{.*#+}} xmm1 = mem[0],zero,zero,zero
; SSSE3-NEXT: punpcklbw {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1],xmm1[2],xmm0[2],xmm1[3],xmm0[3],xmm1[4],xmm0[4],xmm1[5],xmm0[5],xmm1[6],xmm0[6],xmm1[7],xmm0[7]
; SSSE3-NEXT: punpcklwd {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1],xmm1[2],xmm0[2],xmm1[3],xmm0[3]
; SSSE3-NEXT: punpcklqdq {{.*#+}} xmm0 = xmm0[0],xmm1[0]
; SSSE3-NEXT: retq
;
; SSE41-LABEL: combine_test2c:
; SSE41: # %bb.0:
; SSE41-NEXT: pmovzxbd {{.*#+}} xmm0 = mem[0],zero,zero,zero,mem[1],zero,zero,zero,mem[2],zero,zero,zero,mem[3],zero,zero,zero
; SSE41-NEXT: pmovzxbd {{.*#+}} xmm1 = mem[0],zero,zero,zero,mem[1],zero,zero,zero,mem[2],zero,zero,zero,mem[3],zero,zero,zero
; SSE41-NEXT: punpcklqdq {{.*#+}} xmm0 = xmm0[0],xmm1[0]
; SSE41-NEXT: retq
;
; AVX-LABEL: combine_test2c:
; AVX: # %bb.0:
; AVX-NEXT: vpmovzxbd {{.*#+}} xmm0 = mem[0],zero,zero,zero,mem[1],zero,zero,zero,mem[2],zero,zero,zero,mem[3],zero,zero,zero
; AVX-NEXT: vpmovzxbd {{.*#+}} xmm1 = mem[0],zero,zero,zero,mem[1],zero,zero,zero,mem[2],zero,zero,zero,mem[3],zero,zero,zero
; AVX-NEXT: vpunpcklqdq {{.*#+}} xmm0 = xmm0[0],xmm1[0]
; AVX-NEXT: retq
%A = load <4 x i8>, <4 x i8>* %a
%B = load <4 x i8>, <4 x i8>* %b
%1 = shufflevector <4 x i8> %A, <4 x i8> %B, <4 x i32> <i32 0, i32 5, i32 1, i32 5>
%2 = shufflevector <4 x i8> %1, <4 x i8> %B, <4 x i32> <i32 0, i32 2, i32 4, i32 1>
ret <4 x i8> %2
}
define <4 x i8> @combine_test3c(<4 x i8>* %a, <4 x i8>* %b) {
; SSE2-LABEL: combine_test3c:
; SSE2: # %bb.0:
; SSE2-NEXT: movd {{.*#+}} xmm1 = mem[0],zero,zero,zero
; SSE2-NEXT: punpcklbw {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1],xmm1[2],xmm0[2],xmm1[3],xmm0[3],xmm1[4],xmm0[4],xmm1[5],xmm0[5],xmm1[6],xmm0[6],xmm1[7],xmm0[7]
; SSE2-NEXT: punpcklwd {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1],xmm1[2],xmm0[2],xmm1[3],xmm0[3]
; SSE2-NEXT: movd {{.*#+}} xmm0 = mem[0],zero,zero,zero
; SSE2-NEXT: punpcklbw {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7]
; SSE2-NEXT: punpcklwd {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3]
; SSE2-NEXT: punpckhqdq {{.*#+}} xmm0 = xmm0[1],xmm1[1]
; SSE2-NEXT: retq
;
; SSSE3-LABEL: combine_test3c:
; SSSE3: # %bb.0:
; SSSE3-NEXT: movd {{.*#+}} xmm1 = mem[0],zero,zero,zero
; SSSE3-NEXT: punpcklbw {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1],xmm1[2],xmm0[2],xmm1[3],xmm0[3],xmm1[4],xmm0[4],xmm1[5],xmm0[5],xmm1[6],xmm0[6],xmm1[7],xmm0[7]
; SSSE3-NEXT: punpcklwd {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1],xmm1[2],xmm0[2],xmm1[3],xmm0[3]
; SSSE3-NEXT: movd {{.*#+}} xmm0 = mem[0],zero,zero,zero
; SSSE3-NEXT: punpcklbw {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7]
; SSSE3-NEXT: punpcklwd {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3]
; SSSE3-NEXT: punpckhqdq {{.*#+}} xmm0 = xmm0[1],xmm1[1]
; SSSE3-NEXT: retq
;
; SSE41-LABEL: combine_test3c:
; SSE41: # %bb.0:
; SSE41-NEXT: pmovzxbd {{.*#+}} xmm1 = mem[0],zero,zero,zero,mem[1],zero,zero,zero,mem[2],zero,zero,zero,mem[3],zero,zero,zero
; SSE41-NEXT: pmovzxbd {{.*#+}} xmm0 = mem[0],zero,zero,zero,mem[1],zero,zero,zero,mem[2],zero,zero,zero,mem[3],zero,zero,zero
; SSE41-NEXT: punpckhqdq {{.*#+}} xmm0 = xmm0[1],xmm1[1]
; SSE41-NEXT: retq
;
; AVX-LABEL: combine_test3c:
; AVX: # %bb.0:
; AVX-NEXT: vpmovzxbd {{.*#+}} xmm0 = mem[0],zero,zero,zero,mem[1],zero,zero,zero,mem[2],zero,zero,zero,mem[3],zero,zero,zero
; AVX-NEXT: vpmovzxbd {{.*#+}} xmm1 = mem[0],zero,zero,zero,mem[1],zero,zero,zero,mem[2],zero,zero,zero,mem[3],zero,zero,zero
; AVX-NEXT: vpunpckhqdq {{.*#+}} xmm0 = xmm1[1],xmm0[1]
; AVX-NEXT: retq
%A = load <4 x i8>, <4 x i8>* %a
%B = load <4 x i8>, <4 x i8>* %b
%1 = shufflevector <4 x i8> %A, <4 x i8> %B, <4 x i32> <i32 2, i32 3, i32 5, i32 5>
%2 = shufflevector <4 x i8> %1, <4 x i8> %B, <4 x i32> <i32 6, i32 7, i32 0, i32 1>
ret <4 x i8> %2
}
define <4 x i8> @combine_test4c(<4 x i8>* %a, <4 x i8>* %b) {
; SSE2-LABEL: combine_test4c:
; SSE2: # %bb.0:
; SSE2-NEXT: movd {{.*#+}} xmm0 = mem[0],zero,zero,zero
; SSE2-NEXT: punpcklbw {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7]
; SSE2-NEXT: punpcklwd {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3]
; SSE2-NEXT: movss {{.*#+}} xmm1 = mem[0],zero,zero,zero
; SSE2-NEXT: shufps {{.*#+}} xmm0 = xmm0[1,0],xmm1[0,0]
; SSE2-NEXT: punpcklbw {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1],xmm1[2],xmm0[2],xmm1[3],xmm0[3],xmm1[4],xmm0[4],xmm1[5],xmm0[5],xmm1[6],xmm0[6],xmm1[7],xmm0[7]
; SSE2-NEXT: punpcklwd {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1],xmm1[2],xmm0[2],xmm1[3],xmm0[3]
; SSE2-NEXT: shufps {{.*#+}} xmm0 = xmm0[2,0],xmm1[2,3]
; SSE2-NEXT: retq
;
; SSSE3-LABEL: combine_test4c:
; SSSE3: # %bb.0:
; SSSE3-NEXT: movd {{.*#+}} xmm0 = mem[0],zero,zero,zero
; SSSE3-NEXT: punpcklbw {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7]
; SSSE3-NEXT: punpcklwd {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3]
; SSSE3-NEXT: movss {{.*#+}} xmm1 = mem[0],zero,zero,zero
; SSSE3-NEXT: shufps {{.*#+}} xmm0 = xmm0[1,0],xmm1[0,0]
; SSSE3-NEXT: punpcklbw {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1],xmm1[2],xmm0[2],xmm1[3],xmm0[3],xmm1[4],xmm0[4],xmm1[5],xmm0[5],xmm1[6],xmm0[6],xmm1[7],xmm0[7]
; SSSE3-NEXT: punpcklwd {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1],xmm1[2],xmm0[2],xmm1[3],xmm0[3]
; SSSE3-NEXT: shufps {{.*#+}} xmm0 = xmm0[2,0],xmm1[2,3]
; SSSE3-NEXT: retq
;
; SSE41-LABEL: combine_test4c:
; SSE41: # %bb.0:
; SSE41-NEXT: pmovzxbd {{.*#+}} xmm1 = mem[0],zero,zero,zero,mem[1],zero,zero,zero,mem[2],zero,zero,zero,mem[3],zero,zero,zero
; SSE41-NEXT: pmovzxbd {{.*#+}} xmm0 = mem[0],zero,zero,zero,mem[1],zero,zero,zero,mem[2],zero,zero,zero,mem[3],zero,zero,zero
; SSE41-NEXT: pblendw {{.*#+}} xmm0 = xmm0[0,1],xmm1[2,3],xmm0[4,5,6,7]
; SSE41-NEXT: retq
;
; AVX1-LABEL: combine_test4c:
; AVX1: # %bb.0:
; AVX1-NEXT: vpmovzxbd {{.*#+}} xmm0 = mem[0],zero,zero,zero,mem[1],zero,zero,zero,mem[2],zero,zero,zero,mem[3],zero,zero,zero
; AVX1-NEXT: vpmovzxbd {{.*#+}} xmm1 = mem[0],zero,zero,zero,mem[1],zero,zero,zero,mem[2],zero,zero,zero,mem[3],zero,zero,zero
; AVX1-NEXT: vpblendw {{.*#+}} xmm0 = xmm1[0,1],xmm0[2,3],xmm1[4,5,6,7]
; AVX1-NEXT: retq
;
; AVX2-LABEL: combine_test4c:
; AVX2: # %bb.0:
; AVX2-NEXT: vpmovzxbd {{.*#+}} xmm0 = mem[0],zero,zero,zero,mem[1],zero,zero,zero,mem[2],zero,zero,zero,mem[3],zero,zero,zero
; AVX2-NEXT: vpmovzxbd {{.*#+}} xmm1 = mem[0],zero,zero,zero,mem[1],zero,zero,zero,mem[2],zero,zero,zero,mem[3],zero,zero,zero
; AVX2-NEXT: vpblendd {{.*#+}} xmm0 = xmm1[0],xmm0[1],xmm1[2,3]
; AVX2-NEXT: retq
%A = load <4 x i8>, <4 x i8>* %a
%B = load <4 x i8>, <4 x i8>* %b
%1 = shufflevector <4 x i8> %A, <4 x i8> %B, <4 x i32> <i32 4, i32 1, i32 6, i32 3>
%2 = shufflevector <4 x i8> %1, <4 x i8> %B, <4 x i32> <i32 0, i32 1, i32 2, i32 7>
ret <4 x i8> %2
}
; The following test cases are generated from this C++ code
;
;__m128 blend_01(__m128 a, __m128 b)
;{
; __m128 s = a;
; s = _mm_blend_ps( s, b, 1<<0 );
; s = _mm_blend_ps( s, b, 1<<1 );
; return s;
;}
;
;__m128 blend_02(__m128 a, __m128 b)
;{
; __m128 s = a;
; s = _mm_blend_ps( s, b, 1<<0 );
; s = _mm_blend_ps( s, b, 1<<2 );
; return s;
;}
;
;__m128 blend_123(__m128 a, __m128 b)
;{
; __m128 s = a;
; s = _mm_blend_ps( s, b, 1<<1 );
; s = _mm_blend_ps( s, b, 1<<2 );
; s = _mm_blend_ps( s, b, 1<<3 );
; return s;
;}
; Ideally, we should collapse the following shuffles into a single one.
define <4 x float> @combine_blend_01(<4 x float> %a, <4 x float> %b) {
; SSE2-LABEL: combine_blend_01:
; SSE2: # %bb.0:
; SSE2-NEXT: movsd {{.*#+}} xmm0 = xmm1[0],xmm0[1]
; SSE2-NEXT: retq
;
; SSSE3-LABEL: combine_blend_01:
; SSSE3: # %bb.0:
; SSSE3-NEXT: movsd {{.*#+}} xmm0 = xmm1[0],xmm0[1]
; SSSE3-NEXT: retq
;
; SSE41-LABEL: combine_blend_01:
; SSE41: # %bb.0:
; SSE41-NEXT: blendps {{.*#+}} xmm0 = xmm1[0,1],xmm0[2,3]
; SSE41-NEXT: retq
;
; AVX-LABEL: combine_blend_01:
; AVX: # %bb.0:
; AVX-NEXT: vblendps {{.*#+}} xmm0 = xmm1[0,1],xmm0[2,3]
; AVX-NEXT: retq
%shuffle = shufflevector <4 x float> %a, <4 x float> %b, <4 x i32> <i32 4, i32 undef, i32 2, i32 3>
%shuffle6 = shufflevector <4 x float> %shuffle, <4 x float> %b, <4 x i32> <i32 0, i32 5, i32 2, i32 3>
ret <4 x float> %shuffle6
}
define <4 x float> @combine_blend_02(<4 x float> %a, <4 x float> %b) {
; SSE2-LABEL: combine_blend_02:
; SSE2: # %bb.0:
; SSE2-NEXT: shufps {{.*#+}} xmm1 = xmm1[0,2],xmm0[1,3]
; SSE2-NEXT: shufps {{.*#+}} xmm1 = xmm1[0,2,1,3]
; SSE2-NEXT: movaps %xmm1, %xmm0
; SSE2-NEXT: retq
;
; SSSE3-LABEL: combine_blend_02:
; SSSE3: # %bb.0:
; SSSE3-NEXT: shufps {{.*#+}} xmm1 = xmm1[0,2],xmm0[1,3]
; SSSE3-NEXT: shufps {{.*#+}} xmm1 = xmm1[0,2,1,3]
; SSSE3-NEXT: movaps %xmm1, %xmm0
; SSSE3-NEXT: retq
;
; SSE41-LABEL: combine_blend_02:
; SSE41: # %bb.0:
; SSE41-NEXT: blendps {{.*#+}} xmm0 = xmm1[0],xmm0[1],xmm1[2],xmm0[3]
; SSE41-NEXT: retq
;
; AVX-LABEL: combine_blend_02:
; AVX: # %bb.0:
; AVX-NEXT: vblendps {{.*#+}} xmm0 = xmm1[0],xmm0[1],xmm1[2],xmm0[3]
; AVX-NEXT: retq
%shuffle = shufflevector <4 x float> %a, <4 x float> %b, <4 x i32> <i32 4, i32 1, i32 undef, i32 3>
%shuffle6 = shufflevector <4 x float> %shuffle, <4 x float> %b, <4 x i32> <i32 0, i32 1, i32 6, i32 3>
ret <4 x float> %shuffle6
}
define <4 x float> @combine_blend_123(<4 x float> %a, <4 x float> %b) {
; SSE2-LABEL: combine_blend_123:
; SSE2: # %bb.0:
; SSE2-NEXT: movss {{.*#+}} xmm1 = xmm0[0],xmm1[1,2,3]
; SSE2-NEXT: movaps %xmm1, %xmm0
; SSE2-NEXT: retq
;
; SSSE3-LABEL: combine_blend_123:
; SSSE3: # %bb.0:
; SSSE3-NEXT: movss {{.*#+}} xmm1 = xmm0[0],xmm1[1,2,3]
; SSSE3-NEXT: movaps %xmm1, %xmm0
; SSSE3-NEXT: retq
;
; SSE41-LABEL: combine_blend_123:
; SSE41: # %bb.0:
; SSE41-NEXT: blendps {{.*#+}} xmm0 = xmm0[0],xmm1[1,2,3]
; SSE41-NEXT: retq
;
; AVX-LABEL: combine_blend_123:
; AVX: # %bb.0:
; AVX-NEXT: vblendps {{.*#+}} xmm0 = xmm0[0],xmm1[1,2,3]
; AVX-NEXT: retq
%shuffle = shufflevector <4 x float> %a, <4 x float> %b, <4 x i32> <i32 0, i32 5, i32 undef, i32 undef>
%shuffle6 = shufflevector <4 x float> %shuffle, <4 x float> %b, <4 x i32> <i32 0, i32 1, i32 6, i32 undef>
%shuffle12 = shufflevector <4 x float> %shuffle6, <4 x float> %b, <4 x i32> <i32 0, i32 1, i32 2, i32 7>
ret <4 x float> %shuffle12
}
define <4 x i32> @combine_test_movhl_1(<4 x i32> %a, <4 x i32> %b) {
; SSE-LABEL: combine_test_movhl_1:
; SSE: # %bb.0:
; SSE-NEXT: unpckhpd {{.*#+}} xmm1 = xmm1[1],xmm0[1]
; SSE-NEXT: movaps %xmm1, %xmm0
; SSE-NEXT: retq
;
; AVX-LABEL: combine_test_movhl_1:
; AVX: # %bb.0:
; AVX-NEXT: vunpckhpd {{.*#+}} xmm0 = xmm1[1],xmm0[1]
; AVX-NEXT: retq
%1 = shufflevector <4 x i32> %a, <4 x i32> %b, <4 x i32> <i32 2, i32 7, i32 5, i32 3>
%2 = shufflevector <4 x i32> %1, <4 x i32> %b, <4 x i32> <i32 6, i32 1, i32 0, i32 3>
ret <4 x i32> %2
}
define <4 x i32> @combine_test_movhl_2(<4 x i32> %a, <4 x i32> %b) {
; SSE-LABEL: combine_test_movhl_2:
; SSE: # %bb.0:
; SSE-NEXT: unpckhpd {{.*#+}} xmm1 = xmm1[1],xmm0[1]
; SSE-NEXT: movaps %xmm1, %xmm0
; SSE-NEXT: retq
;
; AVX-LABEL: combine_test_movhl_2:
; AVX: # %bb.0:
; AVX-NEXT: vunpckhpd {{.*#+}} xmm0 = xmm1[1],xmm0[1]
; AVX-NEXT: retq
%1 = shufflevector <4 x i32> %a, <4 x i32> %b, <4 x i32> <i32 2, i32 0, i32 3, i32 6>
%2 = shufflevector <4 x i32> %1, <4 x i32> %b, <4 x i32> <i32 3, i32 7, i32 0, i32 2>
ret <4 x i32> %2
}
define <4 x i32> @combine_test_movhl_3(<4 x i32> %a, <4 x i32> %b) {
; SSE-LABEL: combine_test_movhl_3:
; SSE: # %bb.0:
; SSE-NEXT: unpckhpd {{.*#+}} xmm1 = xmm1[1],xmm0[1]
; SSE-NEXT: movaps %xmm1, %xmm0
; SSE-NEXT: retq
;
; AVX-LABEL: combine_test_movhl_3:
; AVX: # %bb.0:
; AVX-NEXT: vunpckhpd {{.*#+}} xmm0 = xmm1[1],xmm0[1]
; AVX-NEXT: retq
%1 = shufflevector <4 x i32> %a, <4 x i32> %b, <4 x i32> <i32 7, i32 6, i32 3, i32 2>
%2 = shufflevector <4 x i32> %1, <4 x i32> %b, <4 x i32> <i32 6, i32 0, i32 3, i32 2>
ret <4 x i32> %2
}
; Verify that we fold shuffles according to rule:
; (shuffle(shuffle A, Undef, M0), B, M1) -> (shuffle A, B, M2)
define <4 x float> @combine_undef_input_test1(<4 x float> %a, <4 x float> %b) {
; SSE2-LABEL: combine_undef_input_test1:
; SSE2: # %bb.0:
; SSE2-NEXT: movsd {{.*#+}} xmm0 = xmm1[0],xmm0[1]
; SSE2-NEXT: retq
;
; SSSE3-LABEL: combine_undef_input_test1:
; SSSE3: # %bb.0:
; SSSE3-NEXT: movsd {{.*#+}} xmm0 = xmm1[0],xmm0[1]
; SSSE3-NEXT: retq
;
; SSE41-LABEL: combine_undef_input_test1:
; SSE41: # %bb.0:
; SSE41-NEXT: blendps {{.*#+}} xmm0 = xmm1[0,1],xmm0[2,3]
; SSE41-NEXT: retq
;
; AVX-LABEL: combine_undef_input_test1:
; AVX: # %bb.0:
; AVX-NEXT: vblendps {{.*#+}} xmm0 = xmm1[0,1],xmm0[2,3]
; AVX-NEXT: retq
%1 = shufflevector <4 x float> %a, <4 x float> undef, <4 x i32> <i32 4, i32 2, i32 3, i32 1>
%2 = shufflevector <4 x float> %1, <4 x float> %b, <4 x i32> <i32 4, i32 5, i32 1, i32 2>
ret <4 x float> %2
}
define <4 x float> @combine_undef_input_test2(<4 x float> %a, <4 x float> %b) {
; SSE-LABEL: combine_undef_input_test2:
; SSE: # %bb.0:
; SSE-NEXT: movlhps {{.*#+}} xmm0 = xmm0[0],xmm1[0]
; SSE-NEXT: retq
;
; AVX-LABEL: combine_undef_input_test2:
; AVX: # %bb.0:
; AVX-NEXT: vmovlhps {{.*#+}} xmm0 = xmm0[0],xmm1[0]
; AVX-NEXT: retq
%1 = shufflevector <4 x float> %a, <4 x float> undef, <4 x i32> <i32 6, i32 0, i32 1, i32 7>
%2 = shufflevector <4 x float> %1, <4 x float> %b, <4 x i32> <i32 1, i32 2, i32 4, i32 5>
ret <4 x float> %2
}
define <4 x float> @combine_undef_input_test3(<4 x float> %a, <4 x float> %b) {
; SSE-LABEL: combine_undef_input_test3:
; SSE: # %bb.0:
; SSE-NEXT: movlhps {{.*#+}} xmm0 = xmm0[0],xmm1[0]
; SSE-NEXT: retq
;
; AVX-LABEL: combine_undef_input_test3:
; AVX: # %bb.0:
; AVX-NEXT: vmovlhps {{.*#+}} xmm0 = xmm0[0],xmm1[0]
; AVX-NEXT: retq
%1 = shufflevector <4 x float> %a, <4 x float> undef, <4 x i32> <i32 0, i32 5, i32 1, i32 7>
%2 = shufflevector <4 x float> %1, <4 x float> %b, <4 x i32> <i32 0, i32 2, i32 4, i32 1>
ret <4 x float> %2
}
define <4 x float> @combine_undef_input_test4(<4 x float> %a, <4 x float> %b) {
; SSE-LABEL: combine_undef_input_test4:
; SSE: # %bb.0:
; SSE-NEXT: movhlps {{.*#+}} xmm0 = xmm1[1],xmm0[1]
; SSE-NEXT: retq
;
; AVX-LABEL: combine_undef_input_test4:
; AVX: # %bb.0:
; AVX-NEXT: vunpckhpd {{.*#+}} xmm0 = xmm1[1],xmm0[1]
; AVX-NEXT: retq
%1 = shufflevector <4 x float> %a, <4 x float> undef, <4 x i32> <i32 2, i32 3, i32 5, i32 5>
%2 = shufflevector <4 x float> %1, <4 x float> %b, <4 x i32> <i32 6, i32 7, i32 0, i32 1>
ret <4 x float> %2
}
define <4 x float> @combine_undef_input_test5(<4 x float> %a, <4 x float> %b) {
; SSE2-LABEL: combine_undef_input_test5:
; SSE2: # %bb.0:
; SSE2-NEXT: movsd {{.*#+}} xmm1 = xmm0[0],xmm1[1]
; SSE2-NEXT: movapd %xmm1, %xmm0
; SSE2-NEXT: retq
;
; SSSE3-LABEL: combine_undef_input_test5:
; SSSE3: # %bb.0:
; SSSE3-NEXT: movsd {{.*#+}} xmm1 = xmm0[0],xmm1[1]
; SSSE3-NEXT: movapd %xmm1, %xmm0
; SSSE3-NEXT: retq
;
; SSE41-LABEL: combine_undef_input_test5:
; SSE41: # %bb.0:
; SSE41-NEXT: blendps {{.*#+}} xmm0 = xmm0[0,1],xmm1[2,3]
; SSE41-NEXT: retq
;
; AVX-LABEL: combine_undef_input_test5:
; AVX: # %bb.0:
; AVX-NEXT: vblendps {{.*#+}} xmm0 = xmm0[0,1],xmm1[2,3]
; AVX-NEXT: retq
%1 = shufflevector <4 x float> %a, <4 x float> undef, <4 x i32> <i32 0, i32 4, i32 1, i32 3>
%2 = shufflevector <4 x float> %1, <4 x float> %b, <4 x i32> <i32 0, i32 2, i32 6, i32 7>
ret <4 x float> %2
}
; Verify that we fold shuffles according to rule:
; (shuffle(shuffle A, Undef, M0), A, M1) -> (shuffle A, Undef, M2)
define <4 x float> @combine_undef_input_test6(<4 x float> %a) {
; CHECK-LABEL: combine_undef_input_test6:
; CHECK: # %bb.0:
; CHECK-NEXT: retq
%1 = shufflevector <4 x float> %a, <4 x float> undef, <4 x i32> <i32 4, i32 2, i32 3, i32 1>
%2 = shufflevector <4 x float> %1, <4 x float> %a, <4 x i32> <i32 4, i32 5, i32 1, i32 2>
ret <4 x float> %2
}
define <4 x float> @combine_undef_input_test7(<4 x float> %a) {
; SSE2-LABEL: combine_undef_input_test7:
; SSE2: # %bb.0:
; SSE2-NEXT: movlhps {{.*#+}} xmm0 = xmm0[0,0]
; SSE2-NEXT: retq
;
; SSSE3-LABEL: combine_undef_input_test7:
; SSSE3: # %bb.0:
; SSSE3-NEXT: movddup {{.*#+}} xmm0 = xmm0[0,0]
; SSSE3-NEXT: retq
;
; SSE41-LABEL: combine_undef_input_test7:
; SSE41: # %bb.0:
; SSE41-NEXT: movddup {{.*#+}} xmm0 = xmm0[0,0]
; SSE41-NEXT: retq
;
; AVX-LABEL: combine_undef_input_test7:
; AVX: # %bb.0:
; AVX-NEXT: vmovddup {{.*#+}} xmm0 = xmm0[0,0]
; AVX-NEXT: retq
%1 = shufflevector <4 x float> %a, <4 x float> undef, <4 x i32> <i32 6, i32 0, i32 1, i32 7>
%2 = shufflevector <4 x float> %1, <4 x float> %a, <4 x i32> <i32 1, i32 2, i32 4, i32 5>
ret <4 x float> %2
}
define <4 x float> @combine_undef_input_test8(<4 x float> %a) {
; SSE2-LABEL: combine_undef_input_test8:
; SSE2: # %bb.0:
; SSE2-NEXT: movlhps {{.*#+}} xmm0 = xmm0[0,0]
; SSE2-NEXT: retq
;
; SSSE3-LABEL: combine_undef_input_test8:
; SSSE3: # %bb.0:
; SSSE3-NEXT: movddup {{.*#+}} xmm0 = xmm0[0,0]
; SSSE3-NEXT: retq
;
; SSE41-LABEL: combine_undef_input_test8:
; SSE41: # %bb.0:
; SSE41-NEXT: movddup {{.*#+}} xmm0 = xmm0[0,0]
; SSE41-NEXT: retq
;
; AVX-LABEL: combine_undef_input_test8:
; AVX: # %bb.0:
; AVX-NEXT: vmovddup {{.*#+}} xmm0 = xmm0[0,0]
; AVX-NEXT: retq
%1 = shufflevector <4 x float> %a, <4 x float> undef, <4 x i32> <i32 0, i32 5, i32 1, i32 7>
%2 = shufflevector <4 x float> %1, <4 x float> %a, <4 x i32> <i32 0, i32 2, i32 4, i32 1>
ret <4 x float> %2
}
define <4 x float> @combine_undef_input_test9(<4 x float> %a) {
; SSE-LABEL: combine_undef_input_test9:
; SSE: # %bb.0:
; SSE-NEXT: movhlps {{.*#+}} xmm0 = xmm0[1,1]
; SSE-NEXT: retq
;
; AVX-LABEL: combine_undef_input_test9:
; AVX: # %bb.0:
; AVX-NEXT: vpermilpd {{.*#+}} xmm0 = xmm0[1,1]
; AVX-NEXT: retq
%1 = shufflevector <4 x float> %a, <4 x float> undef, <4 x i32> <i32 2, i32 3, i32 5, i32 5>
%2 = shufflevector <4 x float> %1, <4 x float> %a, <4 x i32> <i32 6, i32 7, i32 0, i32 1>
ret <4 x float> %2
}
define <4 x float> @combine_undef_input_test10(<4 x float> %a) {
; CHECK-LABEL: combine_undef_input_test10:
; CHECK: # %bb.0:
; CHECK-NEXT: retq
%1 = shufflevector <4 x float> %a, <4 x float> undef, <4 x i32> <i32 0, i32 4, i32 1, i32 3>
%2 = shufflevector <4 x float> %1, <4 x float> %a, <4 x i32> <i32 0, i32 2, i32 6, i32 7>
ret <4 x float> %2
}
define <4 x float> @combine_undef_input_test11(<4 x float> %a, <4 x float> %b) {
; SSE2-LABEL: combine_undef_input_test11:
; SSE2: # %bb.0:
; SSE2-NEXT: movsd {{.*#+}} xmm0 = xmm1[0],xmm0[1]
; SSE2-NEXT: retq
;
; SSSE3-LABEL: combine_undef_input_test11:
; SSSE3: # %bb.0:
; SSSE3-NEXT: movsd {{.*#+}} xmm0 = xmm1[0],xmm0[1]
; SSSE3-NEXT: retq
;
; SSE41-LABEL: combine_undef_input_test11:
; SSE41: # %bb.0:
; SSE41-NEXT: blendps {{.*#+}} xmm0 = xmm1[0,1],xmm0[2,3]
; SSE41-NEXT: retq
;
; AVX-LABEL: combine_undef_input_test11:
; AVX: # %bb.0:
; AVX-NEXT: vblendps {{.*#+}} xmm0 = xmm1[0,1],xmm0[2,3]
; AVX-NEXT: retq
%1 = shufflevector <4 x float> %a, <4 x float> undef, <4 x i32> <i32 4, i32 2, i32 3, i32 1>
%2 = shufflevector <4 x float> %b, <4 x float> %1, <4 x i32> <i32 0, i32 1, i32 5, i32 6>
ret <4 x float> %2
}
define <4 x float> @combine_undef_input_test12(<4 x float> %a, <4 x float> %b) {
; SSE-LABEL: combine_undef_input_test12:
; SSE: # %bb.0:
; SSE-NEXT: movlhps {{.*#+}} xmm0 = xmm0[0],xmm1[0]
; SSE-NEXT: retq
;
; AVX-LABEL: combine_undef_input_test12:
; AVX: # %bb.0:
; AVX-NEXT: vmovlhps {{.*#+}} xmm0 = xmm0[0],xmm1[0]
; AVX-NEXT: retq
%1 = shufflevector <4 x float> %a, <4 x float> undef, <4 x i32> <i32 6, i32 0, i32 1, i32 7>
%2 = shufflevector <4 x float> %b, <4 x float> %1, <4 x i32> <i32 5, i32 6, i32 0, i32 1>
ret <4 x float> %2
}
define <4 x float> @combine_undef_input_test13(<4 x float> %a, <4 x float> %b) {
; SSE-LABEL: combine_undef_input_test13:
; SSE: # %bb.0:
; SSE-NEXT: movlhps {{.*#+}} xmm0 = xmm0[0],xmm1[0]
; SSE-NEXT: retq
;
; AVX-LABEL: combine_undef_input_test13:
; AVX: # %bb.0:
; AVX-NEXT: vmovlhps {{.*#+}} xmm0 = xmm0[0],xmm1[0]
; AVX-NEXT: retq
%1 = shufflevector <4 x float> %a, <4 x float> undef, <4 x i32> <i32 0, i32 5, i32 1, i32 7>
%2 = shufflevector <4 x float> %b, <4 x float> %1, <4 x i32> <i32 4, i32 5, i32 0, i32 5>
ret <4 x float> %2
}
define <4 x float> @combine_undef_input_test14(<4 x float> %a, <4 x float> %b) {
; SSE-LABEL: combine_undef_input_test14:
; SSE: # %bb.0:
; SSE-NEXT: movhlps {{.*#+}} xmm0 = xmm1[1],xmm0[1]
; SSE-NEXT: retq
;
; AVX-LABEL: combine_undef_input_test14:
; AVX: # %bb.0:
; AVX-NEXT: vunpckhpd {{.*#+}} xmm0 = xmm1[1],xmm0[1]
; AVX-NEXT: retq
%1 = shufflevector <4 x float> %a, <4 x float> undef, <4 x i32> <i32 2, i32 3, i32 5, i32 5>
%2 = shufflevector <4 x float> %b, <4 x float> %1, <4 x i32> <i32 2, i32 3, i32 4, i32 5>
ret <4 x float> %2
}
define <4 x float> @combine_undef_input_test15(<4 x float> %a, <4 x float> %b) {
; SSE2-LABEL: combine_undef_input_test15:
; SSE2: # %bb.0:
; SSE2-NEXT: movsd {{.*#+}} xmm1 = xmm0[0],xmm1[1]
; SSE2-NEXT: movapd %xmm1, %xmm0
; SSE2-NEXT: retq
;
; SSSE3-LABEL: combine_undef_input_test15:
; SSSE3: # %bb.0:
; SSSE3-NEXT: movsd {{.*#+}} xmm1 = xmm0[0],xmm1[1]
; SSSE3-NEXT: movapd %xmm1, %xmm0
; SSSE3-NEXT: retq
;
; SSE41-LABEL: combine_undef_input_test15:
; SSE41: # %bb.0:
; SSE41-NEXT: blendps {{.*#+}} xmm0 = xmm0[0,1],xmm1[2,3]
; SSE41-NEXT: retq
;
; AVX-LABEL: combine_undef_input_test15:
; AVX: # %bb.0:
; AVX-NEXT: vblendps {{.*#+}} xmm0 = xmm0[0,1],xmm1[2,3]
; AVX-NEXT: retq
%1 = shufflevector <4 x float> %a, <4 x float> undef, <4 x i32> <i32 0, i32 4, i32 1, i32 3>
%2 = shufflevector <4 x float> %b, <4 x float> %1, <4 x i32> <i32 4, i32 6, i32 2, i32 3>
ret <4 x float> %2
}
; Verify that shuffles are canonicalized according to rules:
; shuffle(B, shuffle(A, Undef)) -> shuffle(shuffle(A, Undef), B)
;
; This allows to trigger the following combine rule:
; (shuffle(shuffle A, Undef, M0), A, M1) -> (shuffle A, Undef, M2)
;
; As a result, all the shuffle pairs in each function below should be
; combined into a single legal shuffle operation.
define <4 x float> @combine_undef_input_test16(<4 x float> %a) {
; CHECK-LABEL: combine_undef_input_test16:
; CHECK: # %bb.0:
; CHECK-NEXT: retq
%1 = shufflevector <4 x float> %a, <4 x float> undef, <4 x i32> <i32 4, i32 2, i32 3, i32 1>
%2 = shufflevector <4 x float> %a, <4 x float> %1, <4 x i32> <i32 0, i32 1, i32 5, i32 3>
ret <4 x float> %2
}
define <4 x float> @combine_undef_input_test17(<4 x float> %a) {
; SSE2-LABEL: combine_undef_input_test17:
; SSE2: # %bb.0:
; SSE2-NEXT: movlhps {{.*#+}} xmm0 = xmm0[0,0]
; SSE2-NEXT: retq
;
; SSSE3-LABEL: combine_undef_input_test17:
; SSSE3: # %bb.0:
; SSSE3-NEXT: movddup {{.*#+}} xmm0 = xmm0[0,0]
; SSSE3-NEXT: retq
;
; SSE41-LABEL: combine_undef_input_test17:
; SSE41: # %bb.0:
; SSE41-NEXT: movddup {{.*#+}} xmm0 = xmm0[0,0]
; SSE41-NEXT: retq
;
; AVX-LABEL: combine_undef_input_test17:
; AVX: # %bb.0:
; AVX-NEXT: vmovddup {{.*#+}} xmm0 = xmm0[0,0]
; AVX-NEXT: retq
%1 = shufflevector <4 x float> %a, <4 x float> undef, <4 x i32> <i32 6, i32 0, i32 1, i32 7>
%2 = shufflevector <4 x float> %a, <4 x float> %1, <4 x i32> <i32 5, i32 6, i32 0, i32 1>
ret <4 x float> %2
}
define <4 x float> @combine_undef_input_test18(<4 x float> %a) {
; SSE2-LABEL: combine_undef_input_test18:
; SSE2: # %bb.0:
; SSE2-NEXT: movlhps {{.*#+}} xmm0 = xmm0[0,0]
; SSE2-NEXT: retq
;
; SSSE3-LABEL: combine_undef_input_test18:
; SSSE3: # %bb.0:
; SSSE3-NEXT: movddup {{.*#+}} xmm0 = xmm0[0,0]
; SSSE3-NEXT: retq
;
; SSE41-LABEL: combine_undef_input_test18:
; SSE41: # %bb.0:
; SSE41-NEXT: movddup {{.*#+}} xmm0 = xmm0[0,0]
; SSE41-NEXT: retq
;
; AVX-LABEL: combine_undef_input_test18:
; AVX: # %bb.0:
; AVX-NEXT: vmovddup {{.*#+}} xmm0 = xmm0[0,0]
; AVX-NEXT: retq
%1 = shufflevector <4 x float> %a, <4 x float> undef, <4 x i32> <i32 0, i32 5, i32 1, i32 7>
%2 = shufflevector <4 x float> %a, <4 x float> %1, <4 x i32> <i32 4, i32 6, i32 0, i32 5>
ret <4 x float> %2
}
define <4 x float> @combine_undef_input_test19(<4 x float> %a) {
; SSE-LABEL: combine_undef_input_test19:
; SSE: # %bb.0:
; SSE-NEXT: movhlps {{.*#+}} xmm0 = xmm0[1,1]
; SSE-NEXT: retq
;
; AVX-LABEL: combine_undef_input_test19:
; AVX: # %bb.0:
; AVX-NEXT: vpermilpd {{.*#+}} xmm0 = xmm0[1,1]
; AVX-NEXT: retq
%1 = shufflevector <4 x float> %a, <4 x float> undef, <4 x i32> <i32 2, i32 3, i32 5, i32 5>
%2 = shufflevector <4 x float> %a, <4 x float> %1, <4 x i32> <i32 2, i32 3, i32 4, i32 5>
ret <4 x float> %2
}
define <4 x float> @combine_undef_input_test20(<4 x float> %a) {
; CHECK-LABEL: combine_undef_input_test20:
; CHECK: # %bb.0:
; CHECK-NEXT: retq
%1 = shufflevector <4 x float> %a, <4 x float> undef, <4 x i32> <i32 0, i32 4, i32 1, i32 3>
%2 = shufflevector <4 x float> %a, <4 x float> %1, <4 x i32> <i32 4, i32 6, i32 2, i32 3>
ret <4 x float> %2
}
; These tests are designed to test the ability to combine away unnecessary
; operations feeding into a shuffle. The AVX cases are the important ones as
; they leverage operations which cannot be done naturally on the entire vector
; and thus are decomposed into multiple smaller operations.
define <8 x i32> @combine_unneeded_subvector1(<8 x i32> %a) {
; SSE-LABEL: combine_unneeded_subvector1:
; SSE: # %bb.0:
; SSE-NEXT: paddd {{.*}}(%rip), %xmm1
; SSE-NEXT: pshufd {{.*#+}} xmm0 = xmm1[3,2,1,0]
; SSE-NEXT: movdqa %xmm0, %xmm1
; SSE-NEXT: retq
;
; AVX1-LABEL: combine_unneeded_subvector1:
; AVX1: # %bb.0:
; AVX1-NEXT: vextractf128 $1, %ymm0, %xmm0
; AVX1-NEXT: vpaddd {{.*}}(%rip), %xmm0, %xmm0
; AVX1-NEXT: vinsertf128 $1, %xmm0, %ymm0, %ymm0
; AVX1-NEXT: vpermilps {{.*#+}} ymm0 = ymm0[3,2,1,0,7,6,5,4]
; AVX1-NEXT: vperm2f128 {{.*#+}} ymm0 = ymm0[2,3,2,3]
; AVX1-NEXT: retq
;
; AVX2-SLOW-LABEL: combine_unneeded_subvector1:
; AVX2-SLOW: # %bb.0:
; AVX2-SLOW-NEXT: vpaddd {{.*}}(%rip), %ymm0, %ymm0
; AVX2-SLOW-NEXT: vpshufd {{.*#+}} ymm0 = ymm0[3,2,1,0,7,6,5,4]
; AVX2-SLOW-NEXT: vpermq {{.*#+}} ymm0 = ymm0[2,3,2,3]
; AVX2-SLOW-NEXT: retq
;
; AVX2-FAST-LABEL: combine_unneeded_subvector1:
; AVX2-FAST: # %bb.0:
; AVX2-FAST-NEXT: vpaddd {{.*}}(%rip), %ymm0, %ymm0
; AVX2-FAST-NEXT: vmovdqa {{.*#+}} ymm1 = [7,6,5,4,7,6,5,4]
; AVX2-FAST-NEXT: vpermd %ymm0, %ymm1, %ymm0
; AVX2-FAST-NEXT: retq
%b = add <8 x i32> %a, <i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8>
%c = shufflevector <8 x i32> %b, <8 x i32> undef, <8 x i32> <i32 7, i32 6, i32 5, i32 4, i32 7, i32 6, i32 5, i32 4>
ret <8 x i32> %c
}
define <8 x i32> @combine_unneeded_subvector2(<8 x i32> %a, <8 x i32> %b) {
; SSE-LABEL: combine_unneeded_subvector2:
; SSE: # %bb.0:
; SSE-NEXT: paddd {{.*}}(%rip), %xmm1
; SSE-NEXT: pshufd {{.*#+}} xmm0 = xmm3[3,2,1,0]
; SSE-NEXT: pshufd {{.*#+}} xmm1 = xmm1[3,2,1,0]
; SSE-NEXT: retq
;
; AVX1-LABEL: combine_unneeded_subvector2:
; AVX1: # %bb.0:
; AVX1-NEXT: vextractf128 $1, %ymm0, %xmm0
; AVX1-NEXT: vpaddd {{.*}}(%rip), %xmm0, %xmm0
; AVX1-NEXT: vinsertf128 $1, %xmm0, %ymm0, %ymm0
; AVX1-NEXT: vperm2f128 {{.*#+}} ymm0 = ymm1[2,3],ymm0[2,3]
; AVX1-NEXT: vpermilps {{.*#+}} ymm0 = ymm0[3,2,1,0,7,6,5,4]
; AVX1-NEXT: retq
;
; AVX2-LABEL: combine_unneeded_subvector2:
; AVX2: # %bb.0:
; AVX2-NEXT: vpaddd {{.*}}(%rip), %ymm0, %ymm0
; AVX2-NEXT: vperm2i128 {{.*#+}} ymm0 = ymm1[2,3],ymm0[2,3]
; AVX2-NEXT: vpshufd {{.*#+}} ymm0 = ymm0[3,2,1,0,7,6,5,4]
; AVX2-NEXT: retq
%c = add <8 x i32> %a, <i32 1, i32 2, i32 3, i32 4, i32 5, i32 6, i32 7, i32 8>
%d = shufflevector <8 x i32> %b, <8 x i32> %c, <8 x i32> <i32 7, i32 6, i32 5, i32 4, i32 15, i32 14, i32 13, i32 12>
ret <8 x i32> %d
}
define <4 x float> @combine_insertps1(<4 x float> %a, <4 x float> %b) {
; SSE2-LABEL: combine_insertps1:
; SSE2: # %bb.0:
; SSE2-NEXT: shufps {{.*#+}} xmm1 = xmm1[2,0],xmm0[1,0]
; SSE2-NEXT: shufps {{.*#+}} xmm1 = xmm1[0,2],xmm0[2,3]
; SSE2-NEXT: movaps %xmm1, %xmm0
; SSE2-NEXT: retq
;
; SSSE3-LABEL: combine_insertps1:
; SSSE3: # %bb.0:
; SSSE3-NEXT: shufps {{.*#+}} xmm1 = xmm1[2,0],xmm0[1,0]
; SSSE3-NEXT: shufps {{.*#+}} xmm1 = xmm1[0,2],xmm0[2,3]
; SSSE3-NEXT: movaps %xmm1, %xmm0
; SSSE3-NEXT: retq
;
; SSE41-LABEL: combine_insertps1:
; SSE41: # %bb.0:
; SSE41-NEXT: insertps {{.*#+}} xmm0 = xmm1[2],xmm0[1,2,3]
; SSE41-NEXT: retq
;
; AVX-LABEL: combine_insertps1:
; AVX: # %bb.0:
; AVX-NEXT: vinsertps {{.*#+}} xmm0 = xmm1[2],xmm0[1,2,3]
; AVX-NEXT: retq
%c = shufflevector <4 x float> %a, <4 x float> %b, <4 x i32><i32 0, i32 6, i32 2, i32 4>
%d = shufflevector <4 x float> %a, <4 x float> %c, <4 x i32> <i32 5, i32 1, i32 6, i32 3>
ret <4 x float> %d
}
define <4 x float> @combine_insertps2(<4 x float> %a, <4 x float> %b) {
; SSE2-LABEL: combine_insertps2:
; SSE2: # %bb.0:
; SSE2-NEXT: shufps {{.*#+}} xmm1 = xmm1[2,0],xmm0[0,0]
; SSE2-NEXT: shufps {{.*#+}} xmm1 = xmm1[2,0],xmm0[2,3]
; SSE2-NEXT: movaps %xmm1, %xmm0
; SSE2-NEXT: retq
;
; SSSE3-LABEL: combine_insertps2:
; SSSE3: # %bb.0:
; SSSE3-NEXT: shufps {{.*#+}} xmm1 = xmm1[2,0],xmm0[0,0]
; SSSE3-NEXT: shufps {{.*#+}} xmm1 = xmm1[2,0],xmm0[2,3]
; SSSE3-NEXT: movaps %xmm1, %xmm0
; SSSE3-NEXT: retq
;
; SSE41-LABEL: combine_insertps2:
; SSE41: # %bb.0:
; SSE41-NEXT: insertps {{.*#+}} xmm0 = xmm0[0],xmm1[2],xmm0[2,3]
; SSE41-NEXT: retq
;
; AVX-LABEL: combine_insertps2:
; AVX: # %bb.0:
; AVX-NEXT: vinsertps {{.*#+}} xmm0 = xmm0[0],xmm1[2],xmm0[2,3]
; AVX-NEXT: retq
%c = shufflevector <4 x float> %a, <4 x float> %b, <4 x i32><i32 0, i32 1, i32 6, i32 7>
%d = shufflevector <4 x float> %a, <4 x float> %c, <4 x i32> <i32 4, i32 6, i32 2, i32 3>
ret <4 x float> %d
}
define <4 x float> @combine_insertps3(<4 x float> %a, <4 x float> %b) {
; SSE2-LABEL: combine_insertps3:
; SSE2: # %bb.0:
; SSE2-NEXT: shufps {{.*#+}} xmm1 = xmm1[0,0],xmm0[3,0]
; SSE2-NEXT: shufps {{.*#+}} xmm0 = xmm0[0,1],xmm1[0,2]
; SSE2-NEXT: retq
;
; SSSE3-LABEL: combine_insertps3:
; SSSE3: # %bb.0:
; SSSE3-NEXT: shufps {{.*#+}} xmm1 = xmm1[0,0],xmm0[3,0]
; SSSE3-NEXT: shufps {{.*#+}} xmm0 = xmm0[0,1],xmm1[0,2]
; SSSE3-NEXT: retq
;
; SSE41-LABEL: combine_insertps3:
; SSE41: # %bb.0:
; SSE41-NEXT: insertps {{.*#+}} xmm0 = xmm0[0,1],xmm1[0],xmm0[3]
; SSE41-NEXT: retq
;
; AVX-LABEL: combine_insertps3:
; AVX: # %bb.0:
; AVX-NEXT: vinsertps {{.*#+}} xmm0 = xmm0[0,1],xmm1[0],xmm0[3]
; AVX-NEXT: retq
%c = shufflevector <4 x float> %a, <4 x float> %b, <4 x i32><i32 0, i32 4, i32 2, i32 5>
%d = shufflevector <4 x float> %a, <4 x float> %c, <4 x i32><i32 4, i32 1, i32 5, i32 3>
ret <4 x float> %d
}
define <4 x float> @combine_insertps4(<4 x float> %a, <4 x float> %b) {
; SSE2-LABEL: combine_insertps4:
; SSE2: # %bb.0:
; SSE2-NEXT: shufps {{.*#+}} xmm1 = xmm1[0,0],xmm0[2,0]
; SSE2-NEXT: shufps {{.*#+}} xmm0 = xmm0[0,1],xmm1[2,0]
; SSE2-NEXT: retq
;
; SSSE3-LABEL: combine_insertps4:
; SSSE3: # %bb.0:
; SSSE3-NEXT: shufps {{.*#+}} xmm1 = xmm1[0,0],xmm0[2,0]
; SSSE3-NEXT: shufps {{.*#+}} xmm0 = xmm0[0,1],xmm1[2,0]
; SSSE3-NEXT: retq
;
; SSE41-LABEL: combine_insertps4:
; SSE41: # %bb.0:
; SSE41-NEXT: insertps {{.*#+}} xmm0 = xmm0[0,1,2],xmm1[0]
; SSE41-NEXT: retq
;
; AVX-LABEL: combine_insertps4:
; AVX: # %bb.0:
; AVX-NEXT: vinsertps {{.*#+}} xmm0 = xmm0[0,1,2],xmm1[0]
; AVX-NEXT: retq
%c = shufflevector <4 x float> %a, <4 x float> %b, <4 x i32><i32 0, i32 4, i32 2, i32 5>
%d = shufflevector <4 x float> %a, <4 x float> %c, <4 x i32><i32 4, i32 1, i32 6, i32 5>
ret <4 x float> %d
}
define void @combine_scalar_load_with_blend_with_zero(double* %a0, <4 x float>* %a1) {
; SSE-LABEL: combine_scalar_load_with_blend_with_zero:
; SSE: # %bb.0:
; SSE-NEXT: movsd {{.*#+}} xmm0 = mem[0],zero
; SSE-NEXT: movaps %xmm0, (%rsi)
; SSE-NEXT: retq
;
; AVX-LABEL: combine_scalar_load_with_blend_with_zero:
; AVX: # %bb.0:
; AVX-NEXT: vmovsd {{.*#+}} xmm0 = mem[0],zero
; AVX-NEXT: vmovaps %xmm0, (%rsi)
; AVX-NEXT: retq
%1 = load double, double* %a0, align 8
%2 = insertelement <2 x double> undef, double %1, i32 0
%3 = insertelement <2 x double> %2, double 0.000000e+00, i32 1
%4 = bitcast <2 x double> %3 to <4 x float>
%5 = shufflevector <4 x float> %4, <4 x float> <float 0.000000e+00, float undef, float undef, float undef>, <4 x i32> <i32 0, i32 1, i32 4, i32 3>
store <4 x float> %5, <4 x float>* %a1, align 16
ret void
}
; PR30371
define <4 x float> @combine_constant_insertion_v4f32(float %f) {
; SSE2-LABEL: combine_constant_insertion_v4f32:
; SSE2: # %bb.0:
; SSE2-NEXT: movaps {{.*#+}} xmm1 = <u,4.0E+0,5.0E+0,3.0E+0>
; SSE2-NEXT: movss {{.*#+}} xmm1 = xmm0[0],xmm1[1,2,3]
; SSE2-NEXT: movaps %xmm1, %xmm0
; SSE2-NEXT: retq
;
; SSSE3-LABEL: combine_constant_insertion_v4f32:
; SSSE3: # %bb.0:
; SSSE3-NEXT: movaps {{.*#+}} xmm1 = <u,4.0E+0,5.0E+0,3.0E+0>
; SSSE3-NEXT: movss {{.*#+}} xmm1 = xmm0[0],xmm1[1,2,3]
; SSSE3-NEXT: movaps %xmm1, %xmm0
; SSSE3-NEXT: retq
;
; SSE41-LABEL: combine_constant_insertion_v4f32:
; SSE41: # %bb.0:
; SSE41-NEXT: blendps {{.*#+}} xmm0 = xmm0[0],mem[1,2,3]
; SSE41-NEXT: retq
;
; AVX-LABEL: combine_constant_insertion_v4f32:
; AVX: # %bb.0:
; AVX-NEXT: vblendps {{.*#+}} xmm0 = xmm0[0],mem[1,2,3]
; AVX-NEXT: retq
%a0 = insertelement <4 x float> undef, float %f, i32 0
%ret = shufflevector <4 x float> %a0, <4 x float> <float undef, float 4.0, float 5.0, float 3.0>, <4 x i32> <i32 0, i32 5, i32 6, i32 7>
ret <4 x float> %ret
}
define <4 x i32> @combine_constant_insertion_v4i32(i32 %f) {
; SSE2-LABEL: combine_constant_insertion_v4i32:
; SSE2: # %bb.0:
; SSE2-NEXT: movd %edi, %xmm1
; SSE2-NEXT: movaps {{.*#+}} xmm0 = <u,4,5,30>
; SSE2-NEXT: movss {{.*#+}} xmm0 = xmm1[0],xmm0[1,2,3]
; SSE2-NEXT: retq
;
; SSSE3-LABEL: combine_constant_insertion_v4i32:
; SSSE3: # %bb.0:
; SSSE3-NEXT: movd %edi, %xmm1
; SSSE3-NEXT: movaps {{.*#+}} xmm0 = <u,4,5,30>
; SSSE3-NEXT: movss {{.*#+}} xmm0 = xmm1[0],xmm0[1,2,3]
; SSSE3-NEXT: retq
;
; SSE41-LABEL: combine_constant_insertion_v4i32:
; SSE41: # %bb.0:
; SSE41-NEXT: movdqa {{.*#+}} xmm0 = <u,4,5,30>
; SSE41-NEXT: pinsrd $0, %edi, %xmm0
; SSE41-NEXT: retq
;
; AVX-LABEL: combine_constant_insertion_v4i32:
; AVX: # %bb.0:
; AVX-NEXT: vmovdqa {{.*#+}} xmm0 = <u,4,5,30>
; AVX-NEXT: vpinsrd $0, %edi, %xmm0, %xmm0
; AVX-NEXT: retq
%a0 = insertelement <4 x i32> undef, i32 %f, i32 0
%ret = shufflevector <4 x i32> %a0, <4 x i32> <i32 undef, i32 4, i32 5, i32 30>, <4 x i32> <i32 0, i32 5, i32 6, i32 7>
ret <4 x i32> %ret
}
define <4 x float> @PR22377(<4 x float> %a, <4 x float> %b) {
; SSE-LABEL: PR22377:
; SSE: # %bb.0: # %entry
; SSE-NEXT: movaps %xmm0, %xmm1
; SSE-NEXT: shufps {{.*#+}} xmm1 = xmm1[1,3],xmm0[2,3]
; SSE-NEXT: shufps {{.*#+}} xmm0 = xmm0[0,2,0,2]
; SSE-NEXT: addps %xmm0, %xmm1
; SSE-NEXT: unpcklps {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
; SSE-NEXT: retq
;
; AVX-LABEL: PR22377:
; AVX: # %bb.0: # %entry
; AVX-NEXT: vpermilps {{.*#+}} xmm1 = xmm0[1,3,2,3]
; AVX-NEXT: vpermilps {{.*#+}} xmm0 = xmm0[0,2,0,2]
; AVX-NEXT: vaddps %xmm0, %xmm1, %xmm1
; AVX-NEXT: vunpcklps {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1]
; AVX-NEXT: retq
entry:
%s1 = shufflevector <4 x float> %a, <4 x float> undef, <4 x i32> <i32 1, i32 3, i32 1, i32 3>
%s2 = shufflevector <4 x float> %a, <4 x float> undef, <4 x i32> <i32 0, i32 2, i32 0, i32 2>
%r2 = fadd <4 x float> %s1, %s2
%s3 = shufflevector <4 x float> %s2, <4 x float> %r2, <4 x i32> <i32 0, i32 4, i32 1, i32 5>
ret <4 x float> %s3
}
define <4 x float> @PR22390(<4 x float> %a, <4 x float> %b) {
; SSE2-LABEL: PR22390:
; SSE2: # %bb.0: # %entry
; SSE2-NEXT: shufps {{.*#+}} xmm0 = xmm0[3,0,1,2]
; SSE2-NEXT: movaps %xmm0, %xmm2
; SSE2-NEXT: movss {{.*#+}} xmm2 = xmm1[0],xmm2[1,2,3]
; SSE2-NEXT: addps %xmm0, %xmm2
; SSE2-NEXT: movaps %xmm2, %xmm0
; SSE2-NEXT: retq
;
; SSSE3-LABEL: PR22390:
; SSSE3: # %bb.0: # %entry
; SSSE3-NEXT: shufps {{.*#+}} xmm0 = xmm0[3,0,1,2]
; SSSE3-NEXT: movaps %xmm0, %xmm2
; SSSE3-NEXT: movss {{.*#+}} xmm2 = xmm1[0],xmm2[1,2,3]
; SSSE3-NEXT: addps %xmm0, %xmm2
; SSSE3-NEXT: movaps %xmm2, %xmm0
; SSSE3-NEXT: retq
;
; SSE41-LABEL: PR22390:
; SSE41: # %bb.0: # %entry
; SSE41-NEXT: shufps {{.*#+}} xmm0 = xmm0[3,0,1,2]
; SSE41-NEXT: blendps {{.*#+}} xmm1 = xmm1[0],xmm0[1,2,3]
; SSE41-NEXT: addps %xmm1, %xmm0
; SSE41-NEXT: retq
;
; AVX-LABEL: PR22390:
; AVX: # %bb.0: # %entry
; AVX-NEXT: vpermilps {{.*#+}} xmm0 = xmm0[3,0,1,2]
; AVX-NEXT: vblendps {{.*#+}} xmm1 = xmm1[0],xmm0[1,2,3]
; AVX-NEXT: vaddps %xmm1, %xmm0, %xmm0
; AVX-NEXT: retq
entry:
%s1 = shufflevector <4 x float> %a, <4 x float> undef, <4 x i32> <i32 3, i32 0, i32 1, i32 2>
%s2 = shufflevector <4 x float> %s1, <4 x float> %b, <4 x i32> <i32 4, i32 1, i32 2, i32 3>
%r2 = fadd <4 x float> %s1, %s2
ret <4 x float> %r2
}
define <8 x float> @PR22412(<8 x float> %a, <8 x float> %b) {
; SSE-LABEL: PR22412:
; SSE: # %bb.0: # %entry
; SSE-NEXT: movaps %xmm3, %xmm1
; SSE-NEXT: shufps {{.*#+}} xmm0 = xmm0[1,0],xmm3[3,2]
; SSE-NEXT: shufps {{.*#+}} xmm1 = xmm1[1,0],xmm2[3,2]
; SSE-NEXT: retq
;
; AVX1-LABEL: PR22412:
; AVX1: # %bb.0: # %entry
; AVX1-NEXT: vperm2f128 {{.*#+}} ymm2 = ymm1[2,3,0,1]
; AVX1-NEXT: vblendps {{.*#+}} ymm0 = ymm0[0,1,2,3],ymm1[4,5,6,7]
; AVX1-NEXT: vshufps {{.*#+}} ymm0 = ymm0[1,0],ymm2[3,2],ymm0[5,4],ymm2[7,6]
; AVX1-NEXT: retq
;
; AVX2-LABEL: PR22412:
; AVX2: # %bb.0: # %entry
; AVX2-NEXT: vblendps {{.*#+}} ymm0 = ymm0[0,1,2,3],ymm1[4,5,6,7]
; AVX2-NEXT: vpermpd {{.*#+}} ymm1 = ymm1[2,3,0,1]
; AVX2-NEXT: vshufps {{.*#+}} ymm0 = ymm0[1,0],ymm1[3,2],ymm0[5,4],ymm1[7,6]
; AVX2-NEXT: retq
entry:
%s1 = shufflevector <8 x float> %a, <8 x float> %b, <8 x i32> <i32 0, i32 1, i32 10, i32 11, i32 12, i32 13, i32 14, i32 15>
%s2 = shufflevector <8 x float> %s1, <8 x float> undef, <8 x i32> <i32 1, i32 0, i32 7, i32 6, i32 5, i32 4, i32 3, i32 2>
ret <8 x float> %s2
}
define <4 x float> @PR30264(<4 x float> %x) {
; SSE2-LABEL: PR30264:
; SSE2: # %bb.0:
; SSE2-NEXT: xorps %xmm1, %xmm1
; SSE2-NEXT: shufps {{.*#+}} xmm1 = xmm1[1,0],xmm0[0,0]
; SSE2-NEXT: shufps {{.*#+}} xmm1 = xmm1[2,0],mem[2,3]
; SSE2-NEXT: movaps %xmm1, %xmm0
; SSE2-NEXT: retq
;
; SSSE3-LABEL: PR30264:
; SSSE3: # %bb.0:
; SSSE3-NEXT: xorps %xmm1, %xmm1
; SSSE3-NEXT: shufps {{.*#+}} xmm1 = xmm1[1,0],xmm0[0,0]
; SSSE3-NEXT: shufps {{.*#+}} xmm1 = xmm1[2,0],mem[2,3]
; SSSE3-NEXT: movaps %xmm1, %xmm0
; SSSE3-NEXT: retq
;
; SSE41-LABEL: PR30264:
; SSE41: # %bb.0:
; SSE41-NEXT: movaps {{.*#+}} xmm1 = <u,u,4.0E+0,1.0E+0>
; SSE41-NEXT: insertps {{.*#+}} xmm1 = xmm0[0],zero,xmm1[2,3]
; SSE41-NEXT: movaps %xmm1, %xmm0
; SSE41-NEXT: retq
;
; AVX-LABEL: PR30264:
; AVX: # %bb.0:
; AVX-NEXT: vmovaps {{.*#+}} xmm1 = <u,u,4.0E+0,1.0E+0>
; AVX-NEXT: vinsertps {{.*#+}} xmm0 = xmm0[0],zero,xmm1[2,3]
; AVX-NEXT: retq
%shuf1 = shufflevector <4 x float> %x, <4 x float> <float undef, float 0.0, float undef, float undef>, <4 x i32> <i32 0, i32 5, i32 undef, i32 undef>
%shuf2 = shufflevector <4 x float> %shuf1, <4 x float> <float undef, float undef, float 4.0, float 1.0>, <4 x i32> <i32 0, i32 1, i32 6, i32 7>
ret <4 x float> %shuf2
}
define <8 x i16> @PR39549(<16 x i8> %x) {
; SSE-LABEL: PR39549:
; SSE: # %bb.0:
; SSE-NEXT: punpckhbw {{.*#+}} xmm0 = xmm0[8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15]
; SSE-NEXT: psraw $8, %xmm0
; SSE-NEXT: retq
;
; AVX-LABEL: PR39549:
; AVX: # %bb.0:
; AVX-NEXT: vpunpckhbw {{.*#+}} xmm0 = xmm0[8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15]
; AVX-NEXT: vpsraw $8, %xmm0, %xmm0
; AVX-NEXT: retq
%a = shufflevector <16 x i8> %x, <16 x i8> undef, <16 x i32> <i32 8, i32 undef, i32 9, i32 undef, i32 10, i32 undef, i32 11, i32 undef, i32 12, i32 undef, i32 13, i32 undef, i32 14, i32 undef, i32 15, i32 undef>
%b = bitcast <16 x i8> %a to <8 x i16>
%c = shl <8 x i16> %b, <i16 8, i16 8, i16 8, i16 8, i16 8, i16 8, i16 8, i16 8>
%d = ashr <8 x i16> %c, <i16 8, i16 8, i16 8, i16 8, i16 8, i16 8, i16 8, i16 8>
ret <8 x i16> %d
}
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