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[X86][SSE] Add SSE2/SSE42 shuffle truncation tests 

llvm-svn: 305904
This commit is contained in:
Simon Pilgrim 2017-06-21 12:58:19 +00:00
parent 25dbe1a16e
commit db6c3fa872
1 changed files with 156 additions and 0 deletions
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156
llvm/test/CodeGen/X86/shuffle-vs-trunc-128.ll
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@ -1,4 +1,6 @@
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse2 | FileCheck %s --check-prefix=SSE --check-prefix=SSE2
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+sse4.2 | FileCheck %s --check-prefix=SSE --check-prefix=SSE42
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx | FileCheck %s --check-prefix=AVX --check-prefix=AVX1
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx2 | FileCheck %s --check-prefix=AVX --check-prefix=AVX2
; RUN: llc < %s -mtriple=x86_64-unknown-unknown -mattr=+avx512f | FileCheck %s --check-prefix=AVX512 --check-prefix=AVX512F
@ -11,6 +13,21 @@
; Ideally, the shuffles should be lowered to code with the same quality as the truncates.
define void @shuffle_v16i8_to_v8i8(<16 x i8>* %L, <8 x i8>* %S) nounwind {
; SSE2-LABEL: shuffle_v16i8_to_v8i8:
; SSE2: # BB#0:
; SSE2-NEXT: movdqa (%rdi), %xmm0
; SSE2-NEXT: pand {{.*}}(%rip), %xmm0
; SSE2-NEXT: packuswb %xmm0, %xmm0
; SSE2-NEXT: movq %xmm0, (%rsi)
; SSE2-NEXT: retq
;
; SSE42-LABEL: shuffle_v16i8_to_v8i8:
; SSE42: # BB#0:
; SSE42-NEXT: movdqa (%rdi), %xmm0
; SSE42-NEXT: pshufb {{.*#+}} xmm0 = xmm0[0,2,4,6,8,10,12,14,u,u,u,u,u,u,u,u]
; SSE42-NEXT: movq %xmm0, (%rsi)
; SSE42-NEXT: retq
;
; AVX-LABEL: shuffle_v16i8_to_v8i8:
; AVX: # BB#0:
; AVX-NEXT: vmovdqa (%rdi), %xmm0
@ -51,6 +68,21 @@ define void @shuffle_v16i8_to_v8i8(<16 x i8>* %L, <8 x i8>* %S) nounwind {
}
define void @trunc_v8i16_to_v8i8(<16 x i8>* %L, <8 x i8>* %S) nounwind {
; SSE2-LABEL: trunc_v8i16_to_v8i8:
; SSE2: # BB#0:
; SSE2-NEXT: movdqa (%rdi), %xmm0
; SSE2-NEXT: pand {{.*}}(%rip), %xmm0
; SSE2-NEXT: packuswb %xmm0, %xmm0
; SSE2-NEXT: movq %xmm0, (%rsi)
; SSE2-NEXT: retq
;
; SSE42-LABEL: trunc_v8i16_to_v8i8:
; SSE42: # BB#0:
; SSE42-NEXT: movdqa (%rdi), %xmm0
; SSE42-NEXT: pshufb {{.*#+}} xmm0 = xmm0[0,2,4,6,8,10,12,14,u,u,u,u,u,u,u,u]
; SSE42-NEXT: movq %xmm0, (%rsi)
; SSE42-NEXT: retq
;
; AVX-LABEL: trunc_v8i16_to_v8i8:
; AVX: # BB#0:
; AVX-NEXT: vmovdqa (%rdi), %xmm0
@ -92,6 +124,21 @@ define void @trunc_v8i16_to_v8i8(<16 x i8>* %L, <8 x i8>* %S) nounwind {
}
define void @shuffle_v8i16_to_v4i16(<8 x i16>* %L, <4 x i16>* %S) nounwind {
; SSE2-LABEL: shuffle_v8i16_to_v4i16:
; SSE2: # BB#0:
; SSE2-NEXT: pshuflw {{.*#+}} xmm0 = mem[0,2,2,3,4,5,6,7]
; SSE2-NEXT: pshufhw {{.*#+}} xmm0 = xmm0[0,1,2,3,4,6,6,7]
; SSE2-NEXT: pshufd {{.*#+}} xmm0 = xmm0[0,2,2,3]
; SSE2-NEXT: movq %xmm0, (%rsi)
; SSE2-NEXT: retq
;
; SSE42-LABEL: shuffle_v8i16_to_v4i16:
; SSE42: # BB#0:
; SSE42-NEXT: movdqa (%rdi), %xmm0
; SSE42-NEXT: pshufb {{.*#+}} xmm0 = xmm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15]
; SSE42-NEXT: movq %xmm0, (%rsi)
; SSE42-NEXT: retq
;
; AVX-LABEL: shuffle_v8i16_to_v4i16:
; AVX: # BB#0:
; AVX-NEXT: vmovdqa (%rdi), %xmm0
@ -131,6 +178,21 @@ define void @shuffle_v8i16_to_v4i16(<8 x i16>* %L, <4 x i16>* %S) nounwind {
}
define void @trunc_v4i32_to_v4i16(<8 x i16>* %L, <4 x i16>* %S) nounwind {
; SSE2-LABEL: trunc_v4i32_to_v4i16:
; SSE2: # BB#0:
; SSE2-NEXT: pshuflw {{.*#+}} xmm0 = mem[0,2,2,3,4,5,6,7]
; SSE2-NEXT: pshufhw {{.*#+}} xmm0 = xmm0[0,1,2,3,4,6,6,7]
; SSE2-NEXT: pshufd {{.*#+}} xmm0 = xmm0[0,2,2,3]
; SSE2-NEXT: movq %xmm0, (%rsi)
; SSE2-NEXT: retq
;
; SSE42-LABEL: trunc_v4i32_to_v4i16:
; SSE42: # BB#0:
; SSE42-NEXT: movdqa (%rdi), %xmm0
; SSE42-NEXT: pshufb {{.*#+}} xmm0 = xmm0[0,1,4,5,8,9,12,13,8,9,12,13,12,13,14,15]
; SSE42-NEXT: movq %xmm0, (%rsi)
; SSE42-NEXT: retq
;
; AVX-LABEL: trunc_v4i32_to_v4i16:
; AVX: # BB#0:
; AVX-NEXT: vmovdqa (%rdi), %xmm0
@ -171,6 +233,12 @@ define void @trunc_v4i32_to_v4i16(<8 x i16>* %L, <4 x i16>* %S) nounwind {
}
define void @shuffle_v4i32_to_v2i32(<4 x i32>* %L, <2 x i32>* %S) nounwind {
; SSE-LABEL: shuffle_v4i32_to_v2i32:
; SSE: # BB#0:
; SSE-NEXT: pshufd {{.*#+}} xmm0 = mem[0,2,2,3]
; SSE-NEXT: movq %xmm0, (%rsi)
; SSE-NEXT: retq
;
; AVX-LABEL: shuffle_v4i32_to_v2i32:
; AVX: # BB#0:
; AVX-NEXT: vpshufd {{.*#+}} xmm0 = mem[0,2,2,3]
@ -207,6 +275,12 @@ define void @shuffle_v4i32_to_v2i32(<4 x i32>* %L, <2 x i32>* %S) nounwind {
}
define void @trunc_v2i64_to_v2i32(<4 x i32>* %L, <2 x i32>* %S) nounwind {
; SSE-LABEL: trunc_v2i64_to_v2i32:
; SSE: # BB#0:
; SSE-NEXT: pshufd {{.*#+}} xmm0 = mem[0,2,2,3]
; SSE-NEXT: movq %xmm0, (%rsi)
; SSE-NEXT: retq
;
; AVX-LABEL: trunc_v2i64_to_v2i32:
; AVX: # BB#0:
; AVX-NEXT: vpshufd {{.*#+}} xmm0 = mem[0,2,2,3]
@ -244,6 +318,22 @@ define void @trunc_v2i64_to_v2i32(<4 x i32>* %L, <2 x i32>* %S) nounwind {
}
define void @shuffle_v16i8_to_v4i8(<16 x i8>* %L, <4 x i8>* %S) nounwind {
; SSE2-LABEL: shuffle_v16i8_to_v4i8:
; SSE2: # BB#0:
; SSE2-NEXT: movdqa (%rdi), %xmm0
; SSE2-NEXT: pand {{.*}}(%rip), %xmm0
; SSE2-NEXT: packuswb %xmm0, %xmm0
; SSE2-NEXT: packuswb %xmm0, %xmm0
; SSE2-NEXT: movd %xmm0, (%rsi)
; SSE2-NEXT: retq
;
; SSE42-LABEL: shuffle_v16i8_to_v4i8:
; SSE42: # BB#0:
; SSE42-NEXT: movdqa (%rdi), %xmm0
; SSE42-NEXT: pshufb {{.*#+}} xmm0 = xmm0[0,4,8,12,u,u,u,u,u,u,u,u,u,u,u,u]
; SSE42-NEXT: movd %xmm0, (%rsi)
; SSE42-NEXT: retq
;
; AVX-LABEL: shuffle_v16i8_to_v4i8:
; AVX: # BB#0:
; AVX-NEXT: vmovdqa (%rdi), %xmm0
@ -283,6 +373,22 @@ define void @shuffle_v16i8_to_v4i8(<16 x i8>* %L, <4 x i8>* %S) nounwind {
}
define void @trunc_v4i32_to_v4i8(<16 x i8>* %L, <4 x i8>* %S) nounwind {
; SSE2-LABEL: trunc_v4i32_to_v4i8:
; SSE2: # BB#0:
; SSE2-NEXT: movdqa (%rdi), %xmm0
; SSE2-NEXT: pand {{.*}}(%rip), %xmm0
; SSE2-NEXT: packuswb %xmm0, %xmm0
; SSE2-NEXT: packuswb %xmm0, %xmm0
; SSE2-NEXT: movd %xmm0, (%rsi)
; SSE2-NEXT: retq
;
; SSE42-LABEL: trunc_v4i32_to_v4i8:
; SSE42: # BB#0:
; SSE42-NEXT: movdqa (%rdi), %xmm0
; SSE42-NEXT: pshufb {{.*#+}} xmm0 = xmm0[0,4,8,12,u,u,u,u,u,u,u,u,u,u,u,u]
; SSE42-NEXT: movd %xmm0, (%rsi)
; SSE42-NEXT: retq
;
; AVX-LABEL: trunc_v4i32_to_v4i8:
; AVX: # BB#0:
; AVX-NEXT: vmovdqa (%rdi), %xmm0
@ -323,6 +429,13 @@ define void @trunc_v4i32_to_v4i8(<16 x i8>* %L, <4 x i8>* %S) nounwind {
}
define void @shuffle_v8i16_to_v2i16(<8 x i16>* %L, <2 x i16>* %S) nounwind {
; SSE-LABEL: shuffle_v8i16_to_v2i16:
; SSE: # BB#0:
; SSE-NEXT: pshufd {{.*#+}} xmm0 = mem[0,2,2,3]
; SSE-NEXT: pshuflw {{.*#+}} xmm0 = xmm0[0,2,2,3,4,5,6,7]
; SSE-NEXT: movd %xmm0, (%rsi)
; SSE-NEXT: retq
;
; AVX-LABEL: shuffle_v8i16_to_v2i16:
; AVX: # BB#0:
; AVX-NEXT: vpshufd {{.*#+}} xmm0 = mem[0,2,2,3]
@ -362,6 +475,13 @@ define void @shuffle_v8i16_to_v2i16(<8 x i16>* %L, <2 x i16>* %S) nounwind {
}
define void @trunc_v2i64_to_v2i16(<8 x i16>* %L, <2 x i16>* %S) nounwind {
; SSE-LABEL: trunc_v2i64_to_v2i16:
; SSE: # BB#0:
; SSE-NEXT: pshufd {{.*#+}} xmm0 = mem[0,2,2,3]
; SSE-NEXT: pshuflw {{.*#+}} xmm0 = xmm0[0,2,2,3,4,5,6,7]
; SSE-NEXT: movd %xmm0, (%rsi)
; SSE-NEXT: retq
;
; AVX-LABEL: trunc_v2i64_to_v2i16:
; AVX: # BB#0:
; AVX-NEXT: vpshufd {{.*#+}} xmm0 = mem[0,2,2,3]
@ -402,6 +522,24 @@ define void @trunc_v2i64_to_v2i16(<8 x i16>* %L, <2 x i16>* %S) nounwind {
}
define void @shuffle_v16i8_to_v2i8(<16 x i8>* %L, <2 x i8>* %S) nounwind {
; SSE2-LABEL: shuffle_v16i8_to_v2i8:
; SSE2: # BB#0:
; SSE2-NEXT: movdqa (%rdi), %xmm0
; SSE2-NEXT: pand {{.*}}(%rip), %xmm0
; SSE2-NEXT: packuswb %xmm0, %xmm0
; SSE2-NEXT: packuswb %xmm0, %xmm0
; SSE2-NEXT: packuswb %xmm0, %xmm0
; SSE2-NEXT: movd %xmm0, %eax
; SSE2-NEXT: movw %ax, (%rsi)
; SSE2-NEXT: retq
;
; SSE42-LABEL: shuffle_v16i8_to_v2i8:
; SSE42: # BB#0:
; SSE42-NEXT: movdqa (%rdi), %xmm0
; SSE42-NEXT: pshufb {{.*#+}} xmm0 = xmm0[0,8,u,u,u,u,u,u,u,u,u,u,u,u,u,u]
; SSE42-NEXT: pextrw $0, %xmm0, (%rsi)
; SSE42-NEXT: retq
;
; AVX-LABEL: shuffle_v16i8_to_v2i8:
; AVX: # BB#0:
; AVX-NEXT: vmovdqa (%rdi), %xmm0
@ -441,6 +579,24 @@ define void @shuffle_v16i8_to_v2i8(<16 x i8>* %L, <2 x i8>* %S) nounwind {
}
define void @trunc_v2i64_to_v2i8(<16 x i8>* %L, <2 x i8>* %S) nounwind {
; SSE2-LABEL: trunc_v2i64_to_v2i8:
; SSE2: # BB#0:
; SSE2-NEXT: movdqa (%rdi), %xmm0
; SSE2-NEXT: pand {{.*}}(%rip), %xmm0
; SSE2-NEXT: packuswb %xmm0, %xmm0
; SSE2-NEXT: packuswb %xmm0, %xmm0
; SSE2-NEXT: packuswb %xmm0, %xmm0
; SSE2-NEXT: movd %xmm0, %eax
; SSE2-NEXT: movw %ax, (%rsi)
; SSE2-NEXT: retq
;
; SSE42-LABEL: trunc_v2i64_to_v2i8:
; SSE42: # BB#0:
; SSE42-NEXT: movdqa (%rdi), %xmm0
; SSE42-NEXT: pshufb {{.*#+}} xmm0 = xmm0[0,8,u,u,u,u,u,u,u,u,u,u,u,u,u,u]
; SSE42-NEXT: pextrw $0, %xmm0, (%rsi)
; SSE42-NEXT: retq
;
; AVX-LABEL: trunc_v2i64_to_v2i8:
; AVX: # BB#0:
; AVX-NEXT: vmovdqa (%rdi), %xmm0