OSchip
/
llvm-project
mirror of https://github.com/THU-DSP-LAB/llvm-project.git
13
0
Fork 6
Code Issues Packages Projects Releases Wiki Activity
llvm-project/llvm/test/CodeGen/X86/logic-shift.ll

1012 lines
33 KiB
LLVM
Raw Blame History

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=x86_64-- -mattr=avx2 | FileCheck %s
define i8 @or_lshr_commute0(i8 %x0, i8 %x1, i8 %y, i8 %z) {
; CHECK-LABEL: or_lshr_commute0:
; CHECK: # %bb.0:
; CHECK-NEXT: movl %ecx, %eax
; CHECK-NEXT: movl %edx, %ecx
; CHECK-NEXT: orl %esi, %edi
; CHECK-NEXT: # kill: def $cl killed $cl killed $ecx
; CHECK-NEXT: shrb %cl, %dil
; CHECK-NEXT: orb %dil, %al
; CHECK-NEXT: # kill: def $al killed $al killed $eax
; CHECK-NEXT: retq
%sh1 = lshr i8 %x0, %y
%sh2 = lshr i8 %x1, %y
%logic = or i8 %sh1, %z
%r = or i8 %logic, %sh2
ret i8 %r
}
define i32 @or_lshr_commute1(i32 %x0, i32 %x1, i32 %y, i32 %z) {
; CHECK-LABEL: or_lshr_commute1:
; CHECK: # %bb.0:
; CHECK-NEXT: movl %ecx, %eax
; CHECK-NEXT: movl %edx, %ecx
; CHECK-NEXT: orl %esi, %edi
; CHECK-NEXT: # kill: def $cl killed $cl killed $ecx
; CHECK-NEXT: shrl %cl, %edi
; CHECK-NEXT: orl %edi, %eax
; CHECK-NEXT: retq
%sh1 = lshr i32 %x0, %y
%sh2 = lshr i32 %x1, %y
%logic = or i32 %z, %sh1
%r = or i32 %logic, %sh2
ret i32 %r
}
define <8 x i16> @or_lshr_commute2(<8 x i16> %x0, <8 x i16> %x1, <8 x i16> %y, <8 x i16> %z) {
; CHECK-LABEL: or_lshr_commute2:
; CHECK: # %bb.0:
; CHECK-NEXT: vpor %xmm1, %xmm0, %xmm0
; CHECK-NEXT: vpmovzxwd {{.*#+}} ymm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero
; CHECK-NEXT: vpmovzxwd {{.*#+}} ymm1 = xmm2[0],zero,xmm2[1],zero,xmm2[2],zero,xmm2[3],zero,xmm2[4],zero,xmm2[5],zero,xmm2[6],zero,xmm2[7],zero
; CHECK-NEXT: vpsrlvd %ymm1, %ymm0, %ymm0
; CHECK-NEXT: vextracti128 $1, %ymm0, %xmm1
; CHECK-NEXT: vpackusdw %xmm1, %xmm0, %xmm0
; CHECK-NEXT: vpor %xmm3, %xmm0, %xmm0
; CHECK-NEXT: vzeroupper
; CHECK-NEXT: retq
%sh1 = lshr <8 x i16> %x0, %y
%sh2 = lshr <8 x i16> %x1, %y
%logic = or <8 x i16> %sh1, %z
%r = or <8 x i16> %sh2, %logic
ret <8 x i16> %r
}
define <2 x i64> @or_lshr_commute3(<2 x i64> %x0, <2 x i64> %x1, <2 x i64> %y, <2 x i64> %z) {
; CHECK-LABEL: or_lshr_commute3:
; CHECK: # %bb.0:
; CHECK-NEXT: vpor %xmm1, %xmm0, %xmm0
; CHECK-NEXT: vpsrlvq %xmm2, %xmm0, %xmm0
; CHECK-NEXT: vpor %xmm3, %xmm0, %xmm0
; CHECK-NEXT: retq
%sh1 = lshr <2 x i64> %x0, %y
%sh2 = lshr <2 x i64> %x1, %y
%logic = or <2 x i64> %z, %sh1
%r = or <2 x i64> %sh2, %logic
ret <2 x i64> %r
}
define i16 @or_ashr_commute0(i16 %x0, i16 %x1, i16 %y, i16 %z) {
; CHECK-LABEL: or_ashr_commute0:
; CHECK: # %bb.0:
; CHECK-NEXT: movl %ecx, %r8d
; CHECK-NEXT: movl %edx, %ecx
; CHECK-NEXT: orl %esi, %edi
; CHECK-NEXT: movswl %di, %eax
; CHECK-NEXT: # kill: def $cl killed $cl killed $ecx
; CHECK-NEXT: sarl %cl, %eax
; CHECK-NEXT: orl %r8d, %eax
; CHECK-NEXT: # kill: def $ax killed $ax killed $eax
; CHECK-NEXT: retq
%sh1 = ashr i16 %x0, %y
%sh2 = ashr i16 %x1, %y
%logic = or i16 %sh1, %z
%r = or i16 %logic, %sh2
ret i16 %r
}
define i64 @or_ashr_commute1(i64 %x0, i64 %x1, i64 %y, i64 %z) {
; CHECK-LABEL: or_ashr_commute1:
; CHECK: # %bb.0:
; CHECK-NEXT: movq %rcx, %rax
; CHECK-NEXT: movq %rdx, %rcx
; CHECK-NEXT: orq %rsi, %rdi
; CHECK-NEXT: # kill: def $cl killed $cl killed $rcx
; CHECK-NEXT: sarq %cl, %rdi
; CHECK-NEXT: orq %rdi, %rax
; CHECK-NEXT: retq
%sh1 = ashr i64 %x0, %y
%sh2 = ashr i64 %x1, %y
%logic = or i64 %z, %sh1
%r = or i64 %logic, %sh2
ret i64 %r
}
define <4 x i32> @or_ashr_commute2(<4 x i32> %x0, <4 x i32> %x1, <4 x i32> %y, <4 x i32> %z) {
; CHECK-LABEL: or_ashr_commute2:
; CHECK: # %bb.0:
; CHECK-NEXT: vpor %xmm1, %xmm0, %xmm0
; CHECK-NEXT: vpsravd %xmm2, %xmm0, %xmm0
; CHECK-NEXT: vpor %xmm3, %xmm0, %xmm0
; CHECK-NEXT: retq
%sh1 = ashr <4 x i32> %x0, %y
%sh2 = ashr <4 x i32> %x1, %y
%logic = or <4 x i32> %sh1, %z
%r = or <4 x i32> %sh2, %logic
ret <4 x i32> %r
}
define <16 x i8> @or_ashr_commute3(<16 x i8> %x0, <16 x i8> %x1, <16 x i8> %y, <16 x i8> %z) {
; CHECK-LABEL: or_ashr_commute3:
; CHECK: # %bb.0:
; CHECK-NEXT: vpsllw $5, %xmm2, %xmm2
; CHECK-NEXT: vpunpckhbw {{.*#+}} xmm4 = xmm2[8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15]
; CHECK-NEXT: vpor %xmm1, %xmm0, %xmm0
; CHECK-NEXT: vpunpckhbw {{.*#+}} xmm1 = xmm0[8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15]
; CHECK-NEXT: vpsraw $4, %xmm1, %xmm5
; CHECK-NEXT: vpblendvb %xmm4, %xmm5, %xmm1, %xmm1
; CHECK-NEXT: vpsraw $2, %xmm1, %xmm5
; CHECK-NEXT: vpaddw %xmm4, %xmm4, %xmm4
; CHECK-NEXT: vpblendvb %xmm4, %xmm5, %xmm1, %xmm1
; CHECK-NEXT: vpsraw $1, %xmm1, %xmm5
; CHECK-NEXT: vpaddw %xmm4, %xmm4, %xmm4
; CHECK-NEXT: vpblendvb %xmm4, %xmm5, %xmm1, %xmm1
; CHECK-NEXT: vpsrlw $8, %xmm1, %xmm1
; CHECK-NEXT: vpunpcklbw {{.*#+}} xmm2 = xmm2[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7]
; CHECK-NEXT: vpunpcklbw {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7]
; CHECK-NEXT: vpsraw $4, %xmm0, %xmm4
; CHECK-NEXT: vpblendvb %xmm2, %xmm4, %xmm0, %xmm0
; CHECK-NEXT: vpsraw $2, %xmm0, %xmm4
; CHECK-NEXT: vpaddw %xmm2, %xmm2, %xmm2
; CHECK-NEXT: vpblendvb %xmm2, %xmm4, %xmm0, %xmm0
; CHECK-NEXT: vpsraw $1, %xmm0, %xmm4
; CHECK-NEXT: vpaddw %xmm2, %xmm2, %xmm2
; CHECK-NEXT: vpblendvb %xmm2, %xmm4, %xmm0, %xmm0
; CHECK-NEXT: vpsrlw $8, %xmm0, %xmm0
; CHECK-NEXT: vpackuswb %xmm1, %xmm0, %xmm0
; CHECK-NEXT: vpor %xmm3, %xmm0, %xmm0
; CHECK-NEXT: retq
%sh1 = ashr <16 x i8> %x0, %y
%sh2 = ashr <16 x i8> %x1, %y
%logic = or <16 x i8> %z, %sh1
%r = or <16 x i8> %sh2, %logic
ret <16 x i8> %r
}
define i32 @or_shl_commute0(i32 %x0, i32 %x1, i32 %y, i32 %z) {
; CHECK-LABEL: or_shl_commute0:
; CHECK: # %bb.0:
; CHECK-NEXT: movl %ecx, %eax
; CHECK-NEXT: movl %edx, %ecx
; CHECK-NEXT: orl %esi, %edi
; CHECK-NEXT: # kill: def $cl killed $cl killed $ecx
; CHECK-NEXT: shll %cl, %edi
; CHECK-NEXT: orl %edi, %eax
; CHECK-NEXT: retq
%sh1 = shl i32 %x0, %y
%sh2 = shl i32 %x1, %y
%logic = or i32 %sh1, %z
%r = or i32 %logic, %sh2
ret i32 %r
}
define i8 @or_shl_commute1(i8 %x0, i8 %x1, i8 %y, i8 %z) {
; CHECK-LABEL: or_shl_commute1:
; CHECK: # %bb.0:
; CHECK-NEXT: movl %ecx, %eax
; CHECK-NEXT: movl %edx, %ecx
; CHECK-NEXT: orl %esi, %edi
; CHECK-NEXT: # kill: def $cl killed $cl killed $ecx
; CHECK-NEXT: shlb %cl, %dil
; CHECK-NEXT: orb %dil, %al
; CHECK-NEXT: # kill: def $al killed $al killed $eax
; CHECK-NEXT: retq
%sh1 = shl i8 %x0, %y
%sh2 = shl i8 %x1, %y
%logic = or i8 %z, %sh1
%r = or i8 %logic, %sh2
ret i8 %r
}
define <2 x i64> @or_shl_commute2(<2 x i64> %x0, <2 x i64> %x1, <2 x i64> %y, <2 x i64> %z) {
; CHECK-LABEL: or_shl_commute2:
; CHECK: # %bb.0:
; CHECK-NEXT: vpor %xmm1, %xmm0, %xmm0
; CHECK-NEXT: vpsllvq %xmm2, %xmm0, %xmm0
; CHECK-NEXT: vpor %xmm3, %xmm0, %xmm0
; CHECK-NEXT: retq
%sh1 = shl <2 x i64> %x0, %y
%sh2 = shl <2 x i64> %x1, %y
%logic = or <2 x i64> %sh1, %z
%r = or <2 x i64> %sh2, %logic
ret <2 x i64> %r
}
define <8 x i16> @or_shl_commute3(<8 x i16> %x0, <8 x i16> %x1, <8 x i16> %y, <8 x i16> %z) {
; CHECK-LABEL: or_shl_commute3:
; CHECK: # %bb.0:
; CHECK-NEXT: vpor %xmm1, %xmm0, %xmm0
; CHECK-NEXT: vpmovzxwd {{.*#+}} ymm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero
; CHECK-NEXT: vpmovzxwd {{.*#+}} ymm1 = xmm2[0],zero,xmm2[1],zero,xmm2[2],zero,xmm2[3],zero,xmm2[4],zero,xmm2[5],zero,xmm2[6],zero,xmm2[7],zero
; CHECK-NEXT: vpsllvd %ymm1, %ymm0, %ymm0
; CHECK-NEXT: vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,u,u,u,u,u,u,u,u,16,17,20,21,24,25,28,29,u,u,u,u,u,u,u,u]
; CHECK-NEXT: vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
; CHECK-NEXT: vpor %xmm3, %xmm0, %xmm0
; CHECK-NEXT: vzeroupper
; CHECK-NEXT: retq
%sh1 = shl <8 x i16> %x0, %y
%sh2 = shl <8 x i16> %x1, %y
%logic = or <8 x i16> %z, %sh1
%r = or <8 x i16> %sh2, %logic
ret <8 x i16> %r
}
; negative test - mismatched shift opcodes
define i64 @or_mix_shr(i64 %x0, i64 %x1, i64 %y, i64 %z) {
; CHECK-LABEL: or_mix_shr:
; CHECK: # %bb.0:
; CHECK-NEXT: movq %rcx, %rax
; CHECK-NEXT: movq %rdx, %rcx
; CHECK-NEXT: sarq %cl, %rdi
; CHECK-NEXT: # kill: def $cl killed $cl killed $rcx
; CHECK-NEXT: shrq %cl, %rsi
; CHECK-NEXT: orq %rsi, %rax
; CHECK-NEXT: orq %rdi, %rax
; CHECK-NEXT: retq
%sh1 = ashr i64 %x0, %y
%sh2 = lshr i64 %x1, %y
%logic = or i64 %sh1, %z
%r = or i64 %logic, %sh2
ret i64 %r
}
; negative test - mismatched shift amounts
define i64 @or_lshr_mix_shift_amount(i64 %x0, i64 %x1, i64 %y, i64 %z, i64 %w) {
; CHECK-LABEL: or_lshr_mix_shift_amount:
; CHECK: # %bb.0:
; CHECK-NEXT: movq %rcx, %rax
; CHECK-NEXT: movq %rdx, %rcx
; CHECK-NEXT: # kill: def $cl killed $cl killed $rcx
; CHECK-NEXT: shrq %cl, %rdi
; CHECK-NEXT: movl %r8d, %ecx
; CHECK-NEXT: shrq %cl, %rsi
; CHECK-NEXT: orq %rsi, %rax
; CHECK-NEXT: orq %rdi, %rax
; CHECK-NEXT: retq
%sh1 = lshr i64 %x0, %y
%sh2 = lshr i64 %x1, %w
%logic = or i64 %sh1, %z
%r = or i64 %logic, %sh2
ret i64 %r
}
; negative test - mismatched logic opcodes
define i64 @mix_logic_lshr(i64 %x0, i64 %x1, i64 %y, i64 %z) {
; CHECK-LABEL: mix_logic_lshr:
; CHECK: # %bb.0:
; CHECK-NEXT: movq %rcx, %rax
; CHECK-NEXT: movq %rdx, %rcx
; CHECK-NEXT: shrq %cl, %rdi
; CHECK-NEXT: # kill: def $cl killed $cl killed $rcx
; CHECK-NEXT: shrq %cl, %rsi
; CHECK-NEXT: xorq %rdi, %rax
; CHECK-NEXT: orq %rsi, %rax
; CHECK-NEXT: retq
%sh1 = lshr i64 %x0, %y
%sh2 = lshr i64 %x1, %y
%logic = xor i64 %sh1, %z
%r = or i64 %logic, %sh2
ret i64 %r
}
define i8 @xor_lshr_commute0(i8 %x0, i8 %x1, i8 %y, i8 %z) {
; CHECK-LABEL: xor_lshr_commute0:
; CHECK: # %bb.0:
; CHECK-NEXT: movl %ecx, %eax
; CHECK-NEXT: movl %edx, %ecx
; CHECK-NEXT: xorl %esi, %edi
; CHECK-NEXT: # kill: def $cl killed $cl killed $ecx
; CHECK-NEXT: shrb %cl, %dil
; CHECK-NEXT: xorb %dil, %al
; CHECK-NEXT: # kill: def $al killed $al killed $eax
; CHECK-NEXT: retq
%sh1 = lshr i8 %x0, %y
%sh2 = lshr i8 %x1, %y
%logic = xor i8 %sh1, %z
%r = xor i8 %logic, %sh2
ret i8 %r
}
define i32 @xor_lshr_commute1(i32 %x0, i32 %x1, i32 %y, i32 %z) {
; CHECK-LABEL: xor_lshr_commute1:
; CHECK: # %bb.0:
; CHECK-NEXT: movl %ecx, %eax
; CHECK-NEXT: movl %edx, %ecx
; CHECK-NEXT: xorl %esi, %edi
; CHECK-NEXT: # kill: def $cl killed $cl killed $ecx
; CHECK-NEXT: shrl %cl, %edi
; CHECK-NEXT: xorl %edi, %eax
; CHECK-NEXT: retq
%sh1 = lshr i32 %x0, %y
%sh2 = lshr i32 %x1, %y
%logic = xor i32 %z, %sh1
%r = xor i32 %logic, %sh2
ret i32 %r
}
define <8 x i16> @xor_lshr_commute2(<8 x i16> %x0, <8 x i16> %x1, <8 x i16> %y, <8 x i16> %z) {
; CHECK-LABEL: xor_lshr_commute2:
; CHECK: # %bb.0:
; CHECK-NEXT: vpxor %xmm1, %xmm0, %xmm0
; CHECK-NEXT: vpmovzxwd {{.*#+}} ymm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero
; CHECK-NEXT: vpmovzxwd {{.*#+}} ymm1 = xmm2[0],zero,xmm2[1],zero,xmm2[2],zero,xmm2[3],zero,xmm2[4],zero,xmm2[5],zero,xmm2[6],zero,xmm2[7],zero
; CHECK-NEXT: vpsrlvd %ymm1, %ymm0, %ymm0
; CHECK-NEXT: vextracti128 $1, %ymm0, %xmm1
; CHECK-NEXT: vpackusdw %xmm1, %xmm0, %xmm0
; CHECK-NEXT: vpxor %xmm3, %xmm0, %xmm0
; CHECK-NEXT: vzeroupper
; CHECK-NEXT: retq
%sh1 = lshr <8 x i16> %x0, %y
%sh2 = lshr <8 x i16> %x1, %y
%logic = xor <8 x i16> %sh1, %z
%r = xor <8 x i16> %sh2, %logic
ret <8 x i16> %r
}
define <2 x i64> @xor_lshr_commute3(<2 x i64> %x0, <2 x i64> %x1, <2 x i64> %y, <2 x i64> %z) {
; CHECK-LABEL: xor_lshr_commute3:
; CHECK: # %bb.0:
; CHECK-NEXT: vpxor %xmm1, %xmm0, %xmm0
; CHECK-NEXT: vpsrlvq %xmm2, %xmm0, %xmm0
; CHECK-NEXT: vpxor %xmm3, %xmm0, %xmm0
; CHECK-NEXT: retq
%sh1 = lshr <2 x i64> %x0, %y
%sh2 = lshr <2 x i64> %x1, %y
%logic = xor <2 x i64> %z, %sh1
%r = xor <2 x i64> %sh2, %logic
ret <2 x i64> %r
}
define i16 @xor_ashr_commute0(i16 %x0, i16 %x1, i16 %y, i16 %z) {
; CHECK-LABEL: xor_ashr_commute0:
; CHECK: # %bb.0:
; CHECK-NEXT: movl %ecx, %r8d
; CHECK-NEXT: movl %edx, %ecx
; CHECK-NEXT: xorl %esi, %edi
; CHECK-NEXT: movswl %di, %eax
; CHECK-NEXT: # kill: def $cl killed $cl killed $ecx
; CHECK-NEXT: sarl %cl, %eax
; CHECK-NEXT: xorl %r8d, %eax
; CHECK-NEXT: # kill: def $ax killed $ax killed $eax
; CHECK-NEXT: retq
%sh1 = ashr i16 %x0, %y
%sh2 = ashr i16 %x1, %y
%logic = xor i16 %sh1, %z
%r = xor i16 %logic, %sh2
ret i16 %r
}
define i64 @xor_ashr_commute1(i64 %x0, i64 %x1, i64 %y, i64 %z) {
; CHECK-LABEL: xor_ashr_commute1:
; CHECK: # %bb.0:
; CHECK-NEXT: movq %rcx, %rax
; CHECK-NEXT: movq %rdx, %rcx
; CHECK-NEXT: xorq %rsi, %rdi
; CHECK-NEXT: # kill: def $cl killed $cl killed $rcx
; CHECK-NEXT: sarq %cl, %rdi
; CHECK-NEXT: xorq %rdi, %rax
; CHECK-NEXT: retq
%sh1 = ashr i64 %x0, %y
%sh2 = ashr i64 %x1, %y
%logic = xor i64 %z, %sh1
%r = xor i64 %logic, %sh2
ret i64 %r
}
define <4 x i32> @xor_ashr_commute2(<4 x i32> %x0, <4 x i32> %x1, <4 x i32> %y, <4 x i32> %z) {
; CHECK-LABEL: xor_ashr_commute2:
; CHECK: # %bb.0:
; CHECK-NEXT: vpxor %xmm1, %xmm0, %xmm0
; CHECK-NEXT: vpsravd %xmm2, %xmm0, %xmm0
; CHECK-NEXT: vpxor %xmm3, %xmm0, %xmm0
; CHECK-NEXT: retq
%sh1 = ashr <4 x i32> %x0, %y
%sh2 = ashr <4 x i32> %x1, %y
%logic = xor <4 x i32> %sh1, %z
%r = xor <4 x i32> %sh2, %logic
ret <4 x i32> %r
}
define <16 x i8> @xor_ashr_commute3(<16 x i8> %x0, <16 x i8> %x1, <16 x i8> %y, <16 x i8> %z) {
; CHECK-LABEL: xor_ashr_commute3:
; CHECK: # %bb.0:
; CHECK-NEXT: vpsllw $5, %xmm2, %xmm2
; CHECK-NEXT: vpunpckhbw {{.*#+}} xmm4 = xmm2[8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15]
; CHECK-NEXT: vpxor %xmm1, %xmm0, %xmm0
; CHECK-NEXT: vpunpckhbw {{.*#+}} xmm1 = xmm0[8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15]
; CHECK-NEXT: vpsraw $4, %xmm1, %xmm5
; CHECK-NEXT: vpblendvb %xmm4, %xmm5, %xmm1, %xmm1
; CHECK-NEXT: vpsraw $2, %xmm1, %xmm5
; CHECK-NEXT: vpaddw %xmm4, %xmm4, %xmm4
; CHECK-NEXT: vpblendvb %xmm4, %xmm5, %xmm1, %xmm1
; CHECK-NEXT: vpsraw $1, %xmm1, %xmm5
; CHECK-NEXT: vpaddw %xmm4, %xmm4, %xmm4
; CHECK-NEXT: vpblendvb %xmm4, %xmm5, %xmm1, %xmm1
; CHECK-NEXT: vpsrlw $8, %xmm1, %xmm1
; CHECK-NEXT: vpunpcklbw {{.*#+}} xmm2 = xmm2[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7]
; CHECK-NEXT: vpunpcklbw {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7]
; CHECK-NEXT: vpsraw $4, %xmm0, %xmm4
; CHECK-NEXT: vpblendvb %xmm2, %xmm4, %xmm0, %xmm0
; CHECK-NEXT: vpsraw $2, %xmm0, %xmm4
; CHECK-NEXT: vpaddw %xmm2, %xmm2, %xmm2
; CHECK-NEXT: vpblendvb %xmm2, %xmm4, %xmm0, %xmm0
; CHECK-NEXT: vpsraw $1, %xmm0, %xmm4
; CHECK-NEXT: vpaddw %xmm2, %xmm2, %xmm2
; CHECK-NEXT: vpblendvb %xmm2, %xmm4, %xmm0, %xmm0
; CHECK-NEXT: vpsrlw $8, %xmm0, %xmm0
; CHECK-NEXT: vpackuswb %xmm1, %xmm0, %xmm0
; CHECK-NEXT: vpxor %xmm3, %xmm0, %xmm0
; CHECK-NEXT: retq
%sh1 = ashr <16 x i8> %x0, %y
%sh2 = ashr <16 x i8> %x1, %y
%logic = xor <16 x i8> %z, %sh1
%r = xor <16 x i8> %sh2, %logic
ret <16 x i8> %r
}
define i32 @xor_shl_commute0(i32 %x0, i32 %x1, i32 %y, i32 %z) {
; CHECK-LABEL: xor_shl_commute0:
; CHECK: # %bb.0:
; CHECK-NEXT: movl %ecx, %eax
; CHECK-NEXT: movl %edx, %ecx
; CHECK-NEXT: xorl %esi, %edi
; CHECK-NEXT: # kill: def $cl killed $cl killed $ecx
; CHECK-NEXT: shll %cl, %edi
; CHECK-NEXT: xorl %edi, %eax
; CHECK-NEXT: retq
%sh1 = shl i32 %x0, %y
%sh2 = shl i32 %x1, %y
%logic = xor i32 %sh1, %z
%r = xor i32 %logic, %sh2
ret i32 %r
}
define i8 @xor_shl_commute1(i8 %x0, i8 %x1, i8 %y, i8 %z) {
; CHECK-LABEL: xor_shl_commute1:
; CHECK: # %bb.0:
; CHECK-NEXT: movl %ecx, %eax
; CHECK-NEXT: movl %edx, %ecx
; CHECK-NEXT: xorl %esi, %edi
; CHECK-NEXT: # kill: def $cl killed $cl killed $ecx
; CHECK-NEXT: shlb %cl, %dil
; CHECK-NEXT: xorb %dil, %al
; CHECK-NEXT: # kill: def $al killed $al killed $eax
; CHECK-NEXT: retq
%sh1 = shl i8 %x0, %y
%sh2 = shl i8 %x1, %y
%logic = xor i8 %z, %sh1
%r = xor i8 %logic, %sh2
ret i8 %r
}
define <2 x i64> @xor_shl_commute2(<2 x i64> %x0, <2 x i64> %x1, <2 x i64> %y, <2 x i64> %z) {
; CHECK-LABEL: xor_shl_commute2:
; CHECK: # %bb.0:
; CHECK-NEXT: vpxor %xmm1, %xmm0, %xmm0
; CHECK-NEXT: vpsllvq %xmm2, %xmm0, %xmm0
; CHECK-NEXT: vpxor %xmm3, %xmm0, %xmm0
; CHECK-NEXT: retq
%sh1 = shl <2 x i64> %x0, %y
%sh2 = shl <2 x i64> %x1, %y
%logic = xor <2 x i64> %sh1, %z
%r = xor <2 x i64> %sh2, %logic
ret <2 x i64> %r
}
define <8 x i16> @xor_shl_commute3(<8 x i16> %x0, <8 x i16> %x1, <8 x i16> %y, <8 x i16> %z) {
; CHECK-LABEL: xor_shl_commute3:
; CHECK: # %bb.0:
; CHECK-NEXT: vpxor %xmm1, %xmm0, %xmm0
; CHECK-NEXT: vpmovzxwd {{.*#+}} ymm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero
; CHECK-NEXT: vpmovzxwd {{.*#+}} ymm1 = xmm2[0],zero,xmm2[1],zero,xmm2[2],zero,xmm2[3],zero,xmm2[4],zero,xmm2[5],zero,xmm2[6],zero,xmm2[7],zero
; CHECK-NEXT: vpsllvd %ymm1, %ymm0, %ymm0
; CHECK-NEXT: vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,u,u,u,u,u,u,u,u,16,17,20,21,24,25,28,29,u,u,u,u,u,u,u,u]
; CHECK-NEXT: vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
; CHECK-NEXT: vpxor %xmm3, %xmm0, %xmm0
; CHECK-NEXT: vzeroupper
; CHECK-NEXT: retq
%sh1 = shl <8 x i16> %x0, %y
%sh2 = shl <8 x i16> %x1, %y
%logic = xor <8 x i16> %z, %sh1
%r = xor <8 x i16> %sh2, %logic
ret <8 x i16> %r
}
; negative test - mismatched shift opcodes
define i64 @xor_mix_shr(i64 %x0, i64 %x1, i64 %y, i64 %z) {
; CHECK-LABEL: xor_mix_shr:
; CHECK: # %bb.0:
; CHECK-NEXT: movq %rcx, %rax
; CHECK-NEXT: movq %rdx, %rcx
; CHECK-NEXT: sarq %cl, %rdi
; CHECK-NEXT: # kill: def $cl killed $cl killed $rcx
; CHECK-NEXT: shrq %cl, %rsi
; CHECK-NEXT: xorq %rsi, %rax
; CHECK-NEXT: xorq %rdi, %rax
; CHECK-NEXT: retq
%sh1 = ashr i64 %x0, %y
%sh2 = lshr i64 %x1, %y
%logic = xor i64 %sh1, %z
%r = xor i64 %logic, %sh2
ret i64 %r
}
; negative test - mismatched shift amounts
define i64 @xor_lshr_mix_shift_amount(i64 %x0, i64 %x1, i64 %y, i64 %z, i64 %w) {
; CHECK-LABEL: xor_lshr_mix_shift_amount:
; CHECK: # %bb.0:
; CHECK-NEXT: movq %rcx, %rax
; CHECK-NEXT: movq %rdx, %rcx
; CHECK-NEXT: # kill: def $cl killed $cl killed $rcx
; CHECK-NEXT: shrq %cl, %rdi
; CHECK-NEXT: movl %r8d, %ecx
; CHECK-NEXT: shrq %cl, %rsi
; CHECK-NEXT: xorq %rsi, %rax
; CHECK-NEXT: xorq %rdi, %rax
; CHECK-NEXT: retq
%sh1 = lshr i64 %x0, %y
%sh2 = lshr i64 %x1, %w
%logic = xor i64 %sh1, %z
%r = xor i64 %logic, %sh2
ret i64 %r
}
; negative test - mismatched logic opcodes
define i64 @mix_logic_ashr(i64 %x0, i64 %x1, i64 %y, i64 %z) {
; CHECK-LABEL: mix_logic_ashr:
; CHECK: # %bb.0:
; CHECK-NEXT: movq %rcx, %rax
; CHECK-NEXT: movq %rdx, %rcx
; CHECK-NEXT: sarq %cl, %rdi
; CHECK-NEXT: # kill: def $cl killed $cl killed $rcx
; CHECK-NEXT: sarq %cl, %rsi
; CHECK-NEXT: orq %rdi, %rax
; CHECK-NEXT: xorq %rsi, %rax
; CHECK-NEXT: retq
%sh1 = ashr i64 %x0, %y
%sh2 = ashr i64 %x1, %y
%logic = or i64 %sh1, %z
%r = xor i64 %logic, %sh2
ret i64 %r
}
define i8 @and_lshr_commute0(i8 %x0, i8 %x1, i8 %y, i8 %z) {
; CHECK-LABEL: and_lshr_commute0:
; CHECK: # %bb.0:
; CHECK-NEXT: movl %ecx, %eax
; CHECK-NEXT: movl %edx, %ecx
; CHECK-NEXT: andl %esi, %edi
; CHECK-NEXT: # kill: def $cl killed $cl killed $ecx
; CHECK-NEXT: shrb %cl, %dil
; CHECK-NEXT: andb %dil, %al
; CHECK-NEXT: # kill: def $al killed $al killed $eax
; CHECK-NEXT: retq
%sh1 = lshr i8 %x0, %y
%sh2 = lshr i8 %x1, %y
%logic = and i8 %sh1, %z
%r = and i8 %logic, %sh2
ret i8 %r
}
define i32 @and_lshr_commute1(i32 %x0, i32 %x1, i32 %y, i32 %z) {
; CHECK-LABEL: and_lshr_commute1:
; CHECK: # %bb.0:
; CHECK-NEXT: movl %ecx, %eax
; CHECK-NEXT: movl %edx, %ecx
; CHECK-NEXT: andl %esi, %edi
; CHECK-NEXT: # kill: def $cl killed $cl killed $ecx
; CHECK-NEXT: shrl %cl, %edi
; CHECK-NEXT: andl %edi, %eax
; CHECK-NEXT: retq
%sh1 = lshr i32 %x0, %y
%sh2 = lshr i32 %x1, %y
%logic = and i32 %z, %sh1
%r = and i32 %logic, %sh2
ret i32 %r
}
define <8 x i16> @and_lshr_commute2(<8 x i16> %x0, <8 x i16> %x1, <8 x i16> %y, <8 x i16> %z) {
; CHECK-LABEL: and_lshr_commute2:
; CHECK: # %bb.0:
; CHECK-NEXT: vpand %xmm1, %xmm0, %xmm0
; CHECK-NEXT: vpmovzxwd {{.*#+}} ymm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero
; CHECK-NEXT: vpmovzxwd {{.*#+}} ymm1 = xmm2[0],zero,xmm2[1],zero,xmm2[2],zero,xmm2[3],zero,xmm2[4],zero,xmm2[5],zero,xmm2[6],zero,xmm2[7],zero
; CHECK-NEXT: vpsrlvd %ymm1, %ymm0, %ymm0
; CHECK-NEXT: vextracti128 $1, %ymm0, %xmm1
; CHECK-NEXT: vpackusdw %xmm1, %xmm0, %xmm0
; CHECK-NEXT: vpand %xmm3, %xmm0, %xmm0
; CHECK-NEXT: vzeroupper
; CHECK-NEXT: retq
%sh1 = lshr <8 x i16> %x0, %y
%sh2 = lshr <8 x i16> %x1, %y
%logic = and <8 x i16> %sh1, %z
%r = and <8 x i16> %sh2, %logic
ret <8 x i16> %r
}
define <2 x i64> @and_lshr_commute3(<2 x i64> %x0, <2 x i64> %x1, <2 x i64> %y, <2 x i64> %z) {
; CHECK-LABEL: and_lshr_commute3:
; CHECK: # %bb.0:
; CHECK-NEXT: vpand %xmm1, %xmm0, %xmm0
; CHECK-NEXT: vpsrlvq %xmm2, %xmm0, %xmm0
; CHECK-NEXT: vpand %xmm3, %xmm0, %xmm0
; CHECK-NEXT: retq
%sh1 = lshr <2 x i64> %x0, %y
%sh2 = lshr <2 x i64> %x1, %y
%logic = and <2 x i64> %z, %sh1
%r = and <2 x i64> %sh2, %logic
ret <2 x i64> %r
}
define i16 @and_ashr_commute0(i16 %x0, i16 %x1, i16 %y, i16 %z) {
; CHECK-LABEL: and_ashr_commute0:
; CHECK: # %bb.0:
; CHECK-NEXT: movl %ecx, %r8d
; CHECK-NEXT: movl %edx, %ecx
; CHECK-NEXT: andl %esi, %edi
; CHECK-NEXT: movswl %di, %eax
; CHECK-NEXT: # kill: def $cl killed $cl killed $ecx
; CHECK-NEXT: sarl %cl, %eax
; CHECK-NEXT: andl %r8d, %eax
; CHECK-NEXT: # kill: def $ax killed $ax killed $eax
; CHECK-NEXT: retq
%sh1 = ashr i16 %x0, %y
%sh2 = ashr i16 %x1, %y
%logic = and i16 %sh1, %z
%r = and i16 %logic, %sh2
ret i16 %r
}
define i64 @and_ashr_commute1(i64 %x0, i64 %x1, i64 %y, i64 %z) {
; CHECK-LABEL: and_ashr_commute1:
; CHECK: # %bb.0:
; CHECK-NEXT: movq %rcx, %rax
; CHECK-NEXT: movq %rdx, %rcx
; CHECK-NEXT: andq %rsi, %rdi
; CHECK-NEXT: # kill: def $cl killed $cl killed $rcx
; CHECK-NEXT: sarq %cl, %rdi
; CHECK-NEXT: andq %rdi, %rax
; CHECK-NEXT: retq
%sh1 = ashr i64 %x0, %y
%sh2 = ashr i64 %x1, %y
%logic = and i64 %z, %sh1
%r = and i64 %logic, %sh2
ret i64 %r
}
define <4 x i32> @and_ashr_commute2(<4 x i32> %x0, <4 x i32> %x1, <4 x i32> %y, <4 x i32> %z) {
; CHECK-LABEL: and_ashr_commute2:
; CHECK: # %bb.0:
; CHECK-NEXT: vpand %xmm1, %xmm0, %xmm0
; CHECK-NEXT: vpsravd %xmm2, %xmm0, %xmm0
; CHECK-NEXT: vpand %xmm3, %xmm0, %xmm0
; CHECK-NEXT: retq
%sh1 = ashr <4 x i32> %x0, %y
%sh2 = ashr <4 x i32> %x1, %y
%logic = and <4 x i32> %sh1, %z
%r = and <4 x i32> %sh2, %logic
ret <4 x i32> %r
}
define <16 x i8> @and_ashr_commute3(<16 x i8> %x0, <16 x i8> %x1, <16 x i8> %y, <16 x i8> %z) {
; CHECK-LABEL: and_ashr_commute3:
; CHECK: # %bb.0:
; CHECK-NEXT: vpsllw $5, %xmm2, %xmm2
; CHECK-NEXT: vpunpckhbw {{.*#+}} xmm4 = xmm2[8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15]
; CHECK-NEXT: vpand %xmm1, %xmm0, %xmm0
; CHECK-NEXT: vpunpckhbw {{.*#+}} xmm1 = xmm0[8,8,9,9,10,10,11,11,12,12,13,13,14,14,15,15]
; CHECK-NEXT: vpsraw $4, %xmm1, %xmm5
; CHECK-NEXT: vpblendvb %xmm4, %xmm5, %xmm1, %xmm1
; CHECK-NEXT: vpsraw $2, %xmm1, %xmm5
; CHECK-NEXT: vpaddw %xmm4, %xmm4, %xmm4
; CHECK-NEXT: vpblendvb %xmm4, %xmm5, %xmm1, %xmm1
; CHECK-NEXT: vpsraw $1, %xmm1, %xmm5
; CHECK-NEXT: vpaddw %xmm4, %xmm4, %xmm4
; CHECK-NEXT: vpblendvb %xmm4, %xmm5, %xmm1, %xmm1
; CHECK-NEXT: vpsrlw $8, %xmm1, %xmm1
; CHECK-NEXT: vpunpcklbw {{.*#+}} xmm2 = xmm2[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7]
; CHECK-NEXT: vpunpcklbw {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7]
; CHECK-NEXT: vpsraw $4, %xmm0, %xmm4
; CHECK-NEXT: vpblendvb %xmm2, %xmm4, %xmm0, %xmm0
; CHECK-NEXT: vpsraw $2, %xmm0, %xmm4
; CHECK-NEXT: vpaddw %xmm2, %xmm2, %xmm2
; CHECK-NEXT: vpblendvb %xmm2, %xmm4, %xmm0, %xmm0
; CHECK-NEXT: vpsraw $1, %xmm0, %xmm4
; CHECK-NEXT: vpaddw %xmm2, %xmm2, %xmm2
; CHECK-NEXT: vpblendvb %xmm2, %xmm4, %xmm0, %xmm0
; CHECK-NEXT: vpsrlw $8, %xmm0, %xmm0
; CHECK-NEXT: vpackuswb %xmm1, %xmm0, %xmm0
; CHECK-NEXT: vpand %xmm3, %xmm0, %xmm0
; CHECK-NEXT: retq
%sh1 = ashr <16 x i8> %x0, %y
%sh2 = ashr <16 x i8> %x1, %y
%logic = and <16 x i8> %z, %sh1
%r = and <16 x i8> %sh2, %logic
ret <16 x i8> %r
}
define i32 @and_shl_commute0(i32 %x0, i32 %x1, i32 %y, i32 %z) {
; CHECK-LABEL: and_shl_commute0:
; CHECK: # %bb.0:
; CHECK-NEXT: movl %ecx, %eax
; CHECK-NEXT: movl %edx, %ecx
; CHECK-NEXT: andl %esi, %edi
; CHECK-NEXT: # kill: def $cl killed $cl killed $ecx
; CHECK-NEXT: shll %cl, %edi
; CHECK-NEXT: andl %edi, %eax
; CHECK-NEXT: retq
%sh1 = shl i32 %x0, %y
%sh2 = shl i32 %x1, %y
%logic = and i32 %sh1, %z
%r = and i32 %logic, %sh2
ret i32 %r
}
define i8 @and_shl_commute1(i8 %x0, i8 %x1, i8 %y, i8 %z) {
; CHECK-LABEL: and_shl_commute1:
; CHECK: # %bb.0:
; CHECK-NEXT: movl %ecx, %eax
; CHECK-NEXT: movl %edx, %ecx
; CHECK-NEXT: andl %esi, %edi
; CHECK-NEXT: # kill: def $cl killed $cl killed $ecx
; CHECK-NEXT: shlb %cl, %dil
; CHECK-NEXT: andb %dil, %al
; CHECK-NEXT: # kill: def $al killed $al killed $eax
; CHECK-NEXT: retq
%sh1 = shl i8 %x0, %y
%sh2 = shl i8 %x1, %y
%logic = and i8 %z, %sh1
%r = and i8 %logic, %sh2
ret i8 %r
}
define <2 x i64> @and_shl_commute2(<2 x i64> %x0, <2 x i64> %x1, <2 x i64> %y, <2 x i64> %z) {
; CHECK-LABEL: and_shl_commute2:
; CHECK: # %bb.0:
; CHECK-NEXT: vpand %xmm1, %xmm0, %xmm0
; CHECK-NEXT: vpsllvq %xmm2, %xmm0, %xmm0
; CHECK-NEXT: vpand %xmm3, %xmm0, %xmm0
; CHECK-NEXT: retq
%sh1 = shl <2 x i64> %x0, %y
%sh2 = shl <2 x i64> %x1, %y
%logic = and <2 x i64> %sh1, %z
%r = and <2 x i64> %sh2, %logic
ret <2 x i64> %r
}
define <8 x i16> @and_shl_commute3(<8 x i16> %x0, <8 x i16> %x1, <8 x i16> %y, <8 x i16> %z) {
; CHECK-LABEL: and_shl_commute3:
; CHECK: # %bb.0:
; CHECK-NEXT: vpand %xmm1, %xmm0, %xmm0
; CHECK-NEXT: vpmovzxwd {{.*#+}} ymm0 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero,xmm0[4],zero,xmm0[5],zero,xmm0[6],zero,xmm0[7],zero
; CHECK-NEXT: vpmovzxwd {{.*#+}} ymm1 = xmm2[0],zero,xmm2[1],zero,xmm2[2],zero,xmm2[3],zero,xmm2[4],zero,xmm2[5],zero,xmm2[6],zero,xmm2[7],zero
; CHECK-NEXT: vpsllvd %ymm1, %ymm0, %ymm0
; CHECK-NEXT: vpshufb {{.*#+}} ymm0 = ymm0[0,1,4,5,8,9,12,13,u,u,u,u,u,u,u,u,16,17,20,21,24,25,28,29,u,u,u,u,u,u,u,u]
; CHECK-NEXT: vpermq {{.*#+}} ymm0 = ymm0[0,2,2,3]
; CHECK-NEXT: vpand %xmm3, %xmm0, %xmm0
; CHECK-NEXT: vzeroupper
; CHECK-NEXT: retq
%sh1 = shl <8 x i16> %x0, %y
%sh2 = shl <8 x i16> %x1, %y
%logic = and <8 x i16> %z, %sh1
%r = and <8 x i16> %sh2, %logic
ret <8 x i16> %r
}
; negative test - mismatched shift opcodes
define i64 @and_mix_shr(i64 %x0, i64 %x1, i64 %y, i64 %z) {
; CHECK-LABEL: and_mix_shr:
; CHECK: # %bb.0:
; CHECK-NEXT: movq %rcx, %rax
; CHECK-NEXT: movq %rdx, %rcx
; CHECK-NEXT: shrq %cl, %rdi
; CHECK-NEXT: # kill: def $cl killed $cl killed $rcx
; CHECK-NEXT: sarq %cl, %rsi
; CHECK-NEXT: andq %rsi, %rax
; CHECK-NEXT: andq %rdi, %rax
; CHECK-NEXT: retq
%sh1 = lshr i64 %x0, %y
%sh2 = ashr i64 %x1, %y
%logic = and i64 %sh1, %z
%r = and i64 %logic, %sh2
ret i64 %r
}
; negative test - mismatched shift amounts
define i64 @and_lshr_mix_shift_amount(i64 %x0, i64 %x1, i64 %y, i64 %z, i64 %w) {
; CHECK-LABEL: and_lshr_mix_shift_amount:
; CHECK: # %bb.0:
; CHECK-NEXT: movq %rcx, %rax
; CHECK-NEXT: movq %rdx, %rcx
; CHECK-NEXT: # kill: def $cl killed $cl killed $rcx
; CHECK-NEXT: shrq %cl, %rdi
; CHECK-NEXT: movl %r8d, %ecx
; CHECK-NEXT: shrq %cl, %rsi
; CHECK-NEXT: andq %rsi, %rax
; CHECK-NEXT: andq %rdi, %rax
; CHECK-NEXT: retq
%sh1 = lshr i64 %x0, %y
%sh2 = lshr i64 %x1, %w
%logic = and i64 %sh1, %z
%r = and i64 %logic, %sh2
ret i64 %r
}
; negative test - mismatched logic opcodes
define i64 @mix_logic_shl(i64 %x0, i64 %x1, i64 %y, i64 %z) {
; CHECK-LABEL: mix_logic_shl:
; CHECK: # %bb.0:
; CHECK-NEXT: movq %rcx, %rax
; CHECK-NEXT: movq %rdx, %rcx
; CHECK-NEXT: shlq %cl, %rdi
; CHECK-NEXT: # kill: def $cl killed $cl killed $rcx
; CHECK-NEXT: shlq %cl, %rsi
; CHECK-NEXT: xorq %rdi, %rax
; CHECK-NEXT: andq %rsi, %rax
; CHECK-NEXT: retq
%sh1 = shl i64 %x0, %y
%sh2 = shl i64 %x1, %y
%logic = xor i64 %sh1, %z
%r = and i64 %logic, %sh2
ret i64 %r
}
; (shl (X | Y), C1) | (srl X, C2) --> (rotl X, C1) | (shl Y, C1)
define i32 @or_fshl_commute0(i32 %x, i32 %y) {
; CHECK-LABEL: or_fshl_commute0:
; CHECK: # %bb.0:
; CHECK-NEXT: movl %esi, %eax
; CHECK-NEXT: orl %edi, %eax
; CHECK-NEXT: shldl $5, %edi, %eax
; CHECK-NEXT: retq
%or1 = or i32 %x, %y
%sh1 = shl i32 %or1, 5
%sh2 = lshr i32 %x, 27
%r = or i32 %sh1, %sh2
ret i32 %r
}
define i64 @or_fshl_commute1(i64 %x, i64 %y) {
; CHECK-LABEL: or_fshl_commute1:
; CHECK: # %bb.0:
; CHECK-NEXT: movl %edi, %eax
; CHECK-NEXT: orl %esi, %eax
; CHECK-NEXT: shldq $35, %rdi, %rax
; CHECK-NEXT: retq
%or1 = or i64 %y, %x
%sh1 = shl i64 %or1, 35
%sh2 = lshr i64 %x, 29
%r = or i64 %sh1, %sh2
ret i64 %r
}
define i16 @or_fshl_commute2(i16 %x, i16 %y) {
; CHECK-LABEL: or_fshl_commute2:
; CHECK: # %bb.0:
; CHECK-NEXT: movl %edi, %eax
; CHECK-NEXT: orl %edi, %esi
; CHECK-NEXT: shrdw $14, %si, %ax
; CHECK-NEXT: # kill: def $ax killed $ax killed $eax
; CHECK-NEXT: retq
%or1 = or i16 %x, %y
%sh1 = shl i16 %or1, 2
%sh2 = lshr i16 %x, 14
%r = or i16 %sh2, %sh1
ret i16 %r
}
define i8 @or_fshl_commute3(i8 %x, i8 %y) {
; CHECK-LABEL: or_fshl_commute3:
; CHECK: # %bb.0:
; CHECK-NEXT: movl %edi, %eax
; CHECK-NEXT: orl %edi, %esi
; CHECK-NEXT: shlb $5, %sil
; CHECK-NEXT: shrb $3, %al
; CHECK-NEXT: orb %sil, %al
; CHECK-NEXT: # kill: def $al killed $al killed $eax
; CHECK-NEXT: retq
%or1 = or i8 %y, %x
%sh1 = shl i8 %or1, 5
%sh2 = lshr i8 %x, 3
%r = or i8 %sh2, %sh1
ret i8 %r
}
define i32 @or_fshl_wrong_shift(i32 %x, i32 %y) {
; CHECK-LABEL: or_fshl_wrong_shift:
; CHECK: # %bb.0:
; CHECK-NEXT: movl %edi, %eax
; CHECK-NEXT: orl %edi, %esi
; CHECK-NEXT: shll $20, %esi
; CHECK-NEXT: shrl $11, %eax
; CHECK-NEXT: orl %esi, %eax
; CHECK-NEXT: retq
%or1 = or i32 %x, %y
%sh1 = shl i32 %or1, 20
%sh2 = lshr i32 %x, 11
%r = or i32 %sh1, %sh2
ret i32 %r
}
; (shl X, C1) | (srl (X | Y), C2) --> (rotl X, C1) | (srl Y, C2)
define i64 @or_fshr_commute0(i64 %x, i64 %y) {
; CHECK-LABEL: or_fshr_commute0:
; CHECK: # %bb.0:
; CHECK-NEXT: movq %rsi, %rax
; CHECK-NEXT: orq %rdi, %rax
; CHECK-NEXT: shrdq $24, %rdi, %rax
; CHECK-NEXT: retq
%or1 = or i64 %x, %y
%sh1 = shl i64 %x, 40
%sh2 = lshr i64 %or1, 24
%r = or i64 %sh1, %sh2
ret i64 %r
}
define i32 @or_fshr_commute1(i32 %x, i32 %y) {
; CHECK-LABEL: or_fshr_commute1:
; CHECK: # %bb.0:
; CHECK-NEXT: movl %esi, %eax
; CHECK-NEXT: orl %edi, %eax
; CHECK-NEXT: shrdl $29, %edi, %eax
; CHECK-NEXT: retq
%or1 = or i32 %y, %x
%sh1 = shl i32 %x, 3
%sh2 = lshr i32 %or1, 29
%r = or i32 %sh1, %sh2
ret i32 %r
}
define i16 @or_fshr_commute2(i16 %x, i16 %y) {
; CHECK-LABEL: or_fshr_commute2:
; CHECK: # %bb.0:
; CHECK-NEXT: movl %esi, %eax
; CHECK-NEXT: orl %edi, %eax
; CHECK-NEXT: shrdw $7, %di, %ax
; CHECK-NEXT: # kill: def $ax killed $ax killed $eax
; CHECK-NEXT: retq
%or1 = or i16 %x, %y
%sh1 = shl i16 %x, 9
%sh2 = lshr i16 %or1, 7
%r = or i16 %sh2, %sh1
ret i16 %r
}
define i8 @or_fshr_commute3(i8 %x, i8 %y) {
; CHECK-LABEL: or_fshr_commute3:
; CHECK: # %bb.0:
; CHECK-NEXT: # kill: def $edi killed $edi def $rdi
; CHECK-NEXT: orl %edi, %esi
; CHECK-NEXT: shrb $6, %sil
; CHECK-NEXT: leal (,%rdi,4), %eax
; CHECK-NEXT: orb %sil, %al
; CHECK-NEXT: # kill: def $al killed $al killed $eax
; CHECK-NEXT: retq
%or1 = or i8 %y, %x
%sh1 = shl i8 %x, 2
%sh2 = lshr i8 %or1, 6
%r = or i8 %sh2, %sh1
ret i8 %r
}
define i32 @or_fshr_wrong_shift(i32 %x, i32 %y) {
; CHECK-LABEL: or_fshr_wrong_shift:
; CHECK: # %bb.0:
; CHECK-NEXT: # kill: def $esi killed $esi def $rsi
; CHECK-NEXT: # kill: def $edi killed $edi def $rdi
; CHECK-NEXT: orl %edi, %esi
; CHECK-NEXT: shll $7, %edi
; CHECK-NEXT: shrl $26, %esi
; CHECK-NEXT: leal (%rsi,%rdi), %eax
; CHECK-NEXT: retq
%or1 = or i32 %x, %y
%sh1 = shl i32 %x, 7
%sh2 = lshr i32 %or1, 26
%r = or i32 %sh1, %sh2
ret i32 %r
}
Reference in New Issue View Git Blame Copy Permalink