1; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py 2; RUN: llc -mtriple=x86_64-unknown-linux-gnu < %s | FileCheck %s 3 4; A combine forming X86ISD::VSHLI was missing a test and not using 5; TargetConstant for the RHS operand. 6; https://bugs.chromium.org/p/chromium/issues/detail?id=1005750 7 8define <8 x i8> @vshli_target_constant(<8 x i16> %arg, <8 x i32> %arg1) { 9; CHECK-LABEL: vshli_target_constant: 10; CHECK: # %bb.0: # %bb 11; CHECK-NEXT: movdqa {{.*#+}} xmm0 = [2863311531,2863311531,2863311531,2863311531] 12; CHECK-NEXT: pshufd {{.*#+}} xmm3 = xmm1[1,1,3,3] 13; CHECK-NEXT: pmuludq %xmm0, %xmm1 14; CHECK-NEXT: pshufd {{.*#+}} xmm1 = xmm1[1,3,2,3] 15; CHECK-NEXT: pmuludq %xmm0, %xmm3 16; CHECK-NEXT: pshufd {{.*#+}} xmm3 = xmm3[1,3,2,3] 17; CHECK-NEXT: punpckldq {{.*#+}} xmm1 = xmm1[0],xmm3[0],xmm1[1],xmm3[1] 18; CHECK-NEXT: psrld $1, %xmm1 19; CHECK-NEXT: pshufd {{.*#+}} xmm3 = xmm2[1,1,3,3] 20; CHECK-NEXT: pmuludq %xmm0, %xmm2 21; CHECK-NEXT: pshufd {{.*#+}} xmm2 = xmm2[1,3,2,3] 22; CHECK-NEXT: pmuludq %xmm0, %xmm3 23; CHECK-NEXT: pshufd {{.*#+}} xmm0 = xmm3[1,3,2,3] 24; CHECK-NEXT: punpckldq {{.*#+}} xmm2 = xmm2[0],xmm0[0],xmm2[1],xmm0[1] 25; CHECK-NEXT: psrld $1, %xmm2 26; CHECK-NEXT: movdqa {{.*#+}} xmm3 = [255,0,0,0,255,0,0,0,255,0,0,0,255,0,0,0] 27; CHECK-NEXT: pand %xmm3, %xmm2 28; CHECK-NEXT: pand %xmm3, %xmm1 29; CHECK-NEXT: movq {{.*#+}} xmm0 = mem[0],zero 30; CHECK-NEXT: pxor %xmm4, %xmm4 31; CHECK-NEXT: punpcklbw {{.*#+}} xmm0 = xmm0[0],xmm4[0],xmm0[1],xmm4[1],xmm0[2],xmm4[2],xmm0[3],xmm4[3],xmm0[4],xmm4[4],xmm0[5],xmm4[5],xmm0[6],xmm4[6],xmm0[7],xmm4[7] 32; CHECK-NEXT: movdqa %xmm0, %xmm5 33; CHECK-NEXT: punpckhwd {{.*#+}} xmm5 = xmm5[4],xmm4[4],xmm5[5],xmm4[5],xmm5[6],xmm4[6],xmm5[7],xmm4[7] 34; CHECK-NEXT: pmaddwd %xmm2, %xmm5 35; CHECK-NEXT: punpcklwd {{.*#+}} xmm0 = xmm0[0],xmm4[0],xmm0[1],xmm4[1],xmm0[2],xmm4[2],xmm0[3],xmm4[3] 36; CHECK-NEXT: pmaddwd %xmm1, %xmm0 37; CHECK-NEXT: movdqa {{.*#+}} xmm1 = [128,128,128,128] 38; CHECK-NEXT: paddd %xmm1, %xmm5 39; CHECK-NEXT: paddd %xmm1, %xmm0 40; CHECK-NEXT: psrld $8, %xmm0 41; CHECK-NEXT: psrld $8, %xmm5 42; CHECK-NEXT: pand %xmm3, %xmm5 43; CHECK-NEXT: pand %xmm3, %xmm0 44; CHECK-NEXT: packuswb %xmm5, %xmm0 45; CHECK-NEXT: packuswb %xmm0, %xmm0 46; CHECK-NEXT: retq 47bb: 48 %tmp = udiv <8 x i32> %arg1, <i32 3, i32 3, i32 3, i32 3, i32 3, i32 3, i32 3, i32 3> 49 %tmp2 = and <8 x i32> %tmp, <i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255, i32 255> 50 %tmp3 = load <8 x i8>, ptr undef, align 1 51 %tmp4 = zext <8 x i8> %tmp3 to <8 x i32> 52 %tmp5 = mul nuw nsw <8 x i32> %tmp2, %tmp4 53 %tmp6 = add nuw nsw <8 x i32> %tmp5, <i32 128, i32 128, i32 128, i32 128, i32 128, i32 128, i32 128, i32 128> 54 %tmp7 = lshr <8 x i32> %tmp6, <i32 8, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8, i32 8> 55 %tmp8 = trunc <8 x i32> %tmp7 to <8 x i8> 56 ret <8 x i8> %tmp8 57} 58