| ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py |
| ; RUN: llc < %s -mtriple=x86_64-unknown-unknown | FileCheck %s |
| |
| declare <2 x i32> @llvm.ctlz.v2i32(<2 x i32>, i1 immarg) |
| |
| define <2 x i32> @illegal_ctlz(<2 x i32> %v1) { |
| ; CHECK-LABEL: illegal_ctlz: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: movdqa %xmm0, %xmm1 |
| ; CHECK-NEXT: psrld $1, %xmm1 |
| ; CHECK-NEXT: por %xmm0, %xmm1 |
| ; CHECK-NEXT: movdqa %xmm1, %xmm0 |
| ; CHECK-NEXT: psrld $2, %xmm0 |
| ; CHECK-NEXT: por %xmm1, %xmm0 |
| ; CHECK-NEXT: movdqa %xmm0, %xmm1 |
| ; CHECK-NEXT: psrld $4, %xmm1 |
| ; CHECK-NEXT: por %xmm0, %xmm1 |
| ; CHECK-NEXT: movdqa %xmm1, %xmm0 |
| ; CHECK-NEXT: psrld $8, %xmm0 |
| ; CHECK-NEXT: por %xmm1, %xmm0 |
| ; CHECK-NEXT: movdqa %xmm0, %xmm1 |
| ; CHECK-NEXT: psrld $16, %xmm1 |
| ; CHECK-NEXT: por %xmm0, %xmm1 |
| ; CHECK-NEXT: pcmpeqd %xmm2, %xmm2 |
| ; CHECK-NEXT: pxor %xmm1, %xmm2 |
| ; CHECK-NEXT: movdqa %xmm2, %xmm0 |
| ; CHECK-NEXT: psrlw $1, %xmm0 |
| ; CHECK-NEXT: pand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0 |
| ; CHECK-NEXT: psubb %xmm0, %xmm2 |
| ; CHECK-NEXT: movdqa {{.*#+}} xmm0 = [51,51,51,51,51,51,51,51,51,51,51,51,51,51,51,51] |
| ; CHECK-NEXT: movdqa %xmm2, %xmm1 |
| ; CHECK-NEXT: pand %xmm0, %xmm1 |
| ; CHECK-NEXT: psrlw $2, %xmm2 |
| ; CHECK-NEXT: pand %xmm0, %xmm2 |
| ; CHECK-NEXT: paddb %xmm1, %xmm2 |
| ; CHECK-NEXT: movdqa %xmm2, %xmm0 |
| ; CHECK-NEXT: psrlw $4, %xmm0 |
| ; CHECK-NEXT: paddb %xmm2, %xmm0 |
| ; CHECK-NEXT: pand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm0 |
| ; CHECK-NEXT: pxor %xmm1, %xmm1 |
| ; CHECK-NEXT: movdqa %xmm0, %xmm2 |
| ; CHECK-NEXT: punpckhdq {{.*#+}} xmm2 = xmm2[2],xmm1[2],xmm2[3],xmm1[3] |
| ; CHECK-NEXT: psadbw %xmm1, %xmm2 |
| ; CHECK-NEXT: punpckldq {{.*#+}} xmm0 = xmm0[0],xmm1[0],xmm0[1],xmm1[1] |
| ; CHECK-NEXT: psadbw %xmm1, %xmm0 |
| ; CHECK-NEXT: packuswb %xmm2, %xmm0 |
| ; CHECK-NEXT: retq |
| %v2 = call <2 x i32> @llvm.ctlz.v2i32(<2 x i32> %v1, i1 true) |
| ret <2 x i32> %v2 |
| } |
| |
| declare <2 x i32> @llvm.cttz.v2i32(<2 x i32>, i1 immarg) |
| |
| define <2 x i32> @illegal_cttz(<2 x i32> %v1) { |
| ; CHECK-LABEL: illegal_cttz: |
| ; CHECK: # %bb.0: |
| ; CHECK-NEXT: pcmpeqd %xmm1, %xmm1 |
| ; CHECK-NEXT: paddd %xmm0, %xmm1 |
| ; CHECK-NEXT: pandn %xmm1, %xmm0 |
| ; CHECK-NEXT: movdqa %xmm0, %xmm1 |
| ; CHECK-NEXT: psrlw $1, %xmm1 |
| ; CHECK-NEXT: pand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm1 |
| ; CHECK-NEXT: psubb %xmm1, %xmm0 |
| ; CHECK-NEXT: movdqa {{.*#+}} xmm1 = [51,51,51,51,51,51,51,51,51,51,51,51,51,51,51,51] |
| ; CHECK-NEXT: movdqa %xmm0, %xmm2 |
| ; CHECK-NEXT: pand %xmm1, %xmm2 |
| ; CHECK-NEXT: psrlw $2, %xmm0 |
| ; CHECK-NEXT: pand %xmm1, %xmm0 |
| ; CHECK-NEXT: paddb %xmm2, %xmm0 |
| ; CHECK-NEXT: movdqa %xmm0, %xmm1 |
| ; CHECK-NEXT: psrlw $4, %xmm1 |
| ; CHECK-NEXT: paddb %xmm0, %xmm1 |
| ; CHECK-NEXT: pand {{\.?LCPI[0-9]+_[0-9]+}}(%rip), %xmm1 |
| ; CHECK-NEXT: pxor %xmm0, %xmm0 |
| ; CHECK-NEXT: movdqa %xmm1, %xmm2 |
| ; CHECK-NEXT: punpckhdq {{.*#+}} xmm2 = xmm2[2],xmm0[2],xmm2[3],xmm0[3] |
| ; CHECK-NEXT: psadbw %xmm0, %xmm2 |
| ; CHECK-NEXT: punpckldq {{.*#+}} xmm1 = xmm1[0],xmm0[0],xmm1[1],xmm0[1] |
| ; CHECK-NEXT: psadbw %xmm0, %xmm1 |
| ; CHECK-NEXT: packuswb %xmm2, %xmm1 |
| ; CHECK-NEXT: movdqa %xmm1, %xmm0 |
| ; CHECK-NEXT: retq |
| %v2 = call <2 x i32> @llvm.cttz.v2i32(<2 x i32> %v1, i1 true) |
| ret <2 x i32> %v2 |
| } |