59 lines
2.8 KiB
LLVM
59 lines
2.8 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
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; RUN: llc -mtriple=x86_64-unknown-linux-gnu < %s | FileCheck %s
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; A combine forming X86ISD::VSHLI was missing a test and not using
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; TargetConstant for the RHS operand.
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; https://bugs.chromium.org/p/chromium/issues/detail?id=1005750
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define <8 x i8> @vshli_target_constant(<8 x i16> %arg, <8 x i32> %arg1) {
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; CHECK-LABEL: vshli_target_constant:
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; CHECK: # %bb.0: # %bb
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; CHECK-NEXT: movdqa {{.*#+}} xmm0 = [2863311531,2863311531,2863311531,2863311531]
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; CHECK-NEXT: pshufd {{.*#+}} xmm3 = xmm1[1,1,3,3]
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; CHECK-NEXT: pmuludq %xmm0, %xmm1
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; CHECK-NEXT: pshufd {{.*#+}} xmm4 = xmm1[1,3,2,3]
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; CHECK-NEXT: pmuludq %xmm0, %xmm3
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; CHECK-NEXT: pshufd {{.*#+}} xmm1 = xmm3[1,3,2,3]
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; CHECK-NEXT: punpckldq {{.*#+}} xmm4 = xmm4[0],xmm1[0],xmm4[1],xmm1[1]
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; CHECK-NEXT: pshufd {{.*#+}} xmm1 = xmm2[1,1,3,3]
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; CHECK-NEXT: pmuludq %xmm0, %xmm2
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; CHECK-NEXT: pshufd {{.*#+}} xmm2 = xmm2[1,3,2,3]
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; CHECK-NEXT: pmuludq %xmm0, %xmm1
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; CHECK-NEXT: pshufd {{.*#+}} xmm0 = xmm1[1,3,2,3]
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; CHECK-NEXT: punpckldq {{.*#+}} xmm2 = xmm2[0],xmm0[0],xmm2[1],xmm0[1]
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; CHECK-NEXT: movq {{.*#+}} xmm1 = mem[0],zero
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; CHECK-NEXT: pslld $15, %xmm2
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; CHECK-NEXT: psrad $16, %xmm2
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; CHECK-NEXT: pslld $15, %xmm4
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; CHECK-NEXT: psrad $16, %xmm4
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; CHECK-NEXT: packssdw %xmm2, %xmm4
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; CHECK-NEXT: pand {{.*}}(%rip), %xmm4
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; CHECK-NEXT: pxor %xmm0, %xmm0
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; CHECK-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]
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; CHECK-NEXT: pmullw %xmm4, %xmm1
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; CHECK-NEXT: movdqa %xmm1, %xmm0
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; CHECK-NEXT: punpcklwd {{.*#+}} xmm0 = xmm0[0,0,1,1,2,2,3,3]
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; CHECK-NEXT: punpckhwd {{.*#+}} xmm1 = xmm1[4,4,5,5,6,6,7,7]
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; CHECK-NEXT: movdqa {{.*#+}} xmm2 = [128,128,128,128]
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; CHECK-NEXT: paddd %xmm2, %xmm1
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; CHECK-NEXT: paddd %xmm2, %xmm0
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; CHECK-NEXT: psrld $8, %xmm0
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; CHECK-NEXT: psrld $8, %xmm1
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; CHECK-NEXT: movdqa {{.*#+}} xmm2 = [255,0,0,0,255,0,0,0,255,0,0,0,255,0,0,0]
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; CHECK-NEXT: pand %xmm2, %xmm1
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; CHECK-NEXT: pand %xmm2, %xmm0
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; CHECK-NEXT: packuswb %xmm1, %xmm0
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; CHECK-NEXT: packuswb %xmm0, %xmm0
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; CHECK-NEXT: retq
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bb:
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%tmp = udiv <8 x i32> %arg1, <i32 3, i32 3, i32 3, i32 3, i32 3, i32 3, i32 3, i32 3>
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%tmp2 = and <8 x i32> %tmp, <i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255>
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%tmp3 = load <8 x i8>, <8 x i8>* undef, align 1
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%tmp4 = zext <8 x i8> %tmp3 to <8 x i32>
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%tmp5 = mul nuw nsw <8 x i32> %tmp2, %tmp4
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%tmp6 = add nuw nsw <8 x i32> %tmp5, <i32 128, i32 128, i32 128, i32 128, i32 128, i32 128, i32 128, i32 128>
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%tmp7 = lshr <8 x i32> %tmp6, <i32 8, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8>
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%tmp8 = trunc <8 x i32> %tmp7 to <8 x i8>
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ret <8 x i8> %tmp8
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}
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