Index: llvm/lib/CodeGen/CodeGenPrepare.cpp =================================================================== --- llvm/lib/CodeGen/CodeGenPrepare.cpp +++ llvm/lib/CodeGen/CodeGenPrepare.cpp @@ -32,6 +32,7 @@ #include "llvm/Analysis/TargetTransformInfo.h" #include "llvm/Transforms/Utils/Local.h" #include "llvm/Analysis/ValueTracking.h" +#include "llvm/Analysis/VectorUtils.h" #include "llvm/CodeGen/Analysis.h" #include "llvm/CodeGen/ISDOpcodes.h" #include "llvm/CodeGen/SelectionDAGNodes.h" @@ -363,6 +364,7 @@ bool optimizeExt(Instruction *&I); bool optimizeExtUses(Instruction *I); bool optimizeLoadExt(LoadInst *Load); + bool optimizeShiftInst(BinaryOperator *BO); bool optimizeSelectInst(SelectInst *SI); bool optimizeShuffleVectorInst(ShuffleVectorInst *SVI); bool optimizeSwitchInst(SwitchInst *SI); @@ -5917,6 +5919,39 @@ return V; } +bool CodeGenPrepare::optimizeShiftInst(BinaryOperator *Shift) { + assert(Shift->isShift() && "Expected a shift"); + + // If this is (1) a vector shift, (2) shifts by scalars are cheaper than + // general vector shifts, and (3) the shift amount is a select-of-splatted + // values, hoist the shifts before the select: + // shift Op0, (select Cond, TVal, FVal) --> + // select Cond, (shift Op0, TVal), (shift Op0, FVal) + // + // This is inverting a generic IR transform when we know that the cost of a + // general vector shift is more than the cost of 2 shift-by-scalars. + // We can't do this effectively in SDAG because we may not be able to + // determine if the select operands are splats from within a basic block. + Type *Ty = Shift->getType(); + if (!Ty->isVectorTy() || !TLI->isVectorShiftByScalarCheap(Ty)) + return false; + Value *Cond, *TVal, *FVal; + if (!match(Shift->getOperand(1), + m_OneUse(m_Select(m_Value(Cond), m_Value(TVal), m_Value(FVal))))) + return false; + if (!isSplatValue(TVal) || !isSplatValue(FVal)) + return false; + + IRBuilder<> Builder(Shift); + BinaryOperator::BinaryOps Opcode = Shift->getOpcode(); + Value *NewTVal = Builder.CreateBinOp(Opcode, Shift->getOperand(0), TVal); + Value *NewFVal = Builder.CreateBinOp(Opcode, Shift->getOperand(0), FVal); + Value *NewSel = Builder.CreateSelect(Cond, NewTVal, NewFVal); + Shift->replaceAllUsesWith(NewSel); + Shift->eraseFromParent(); + return true; +} + /// If we have a SelectInst that will likely profit from branch prediction, /// turn it into a branch. bool CodeGenPrepare::optimizeSelectInst(SelectInst *SI) { @@ -6988,13 +7023,13 @@ EnableAndCmpSinking && TLI) return sinkAndCmp0Expression(BinOp, *TLI, InsertedInsts); + // TODO: Move this into the switch on opcode - it handles shifts already. if (BinOp && (BinOp->getOpcode() == Instruction::AShr || BinOp->getOpcode() == Instruction::LShr)) { ConstantInt *CI = dyn_cast(BinOp->getOperand(1)); if (TLI && CI && TLI->hasExtractBitsInsn()) - return OptimizeExtractBits(BinOp, CI, *TLI, *DL); - - return false; + if (OptimizeExtractBits(BinOp, CI, *TLI, *DL)) + return true; } if (GetElementPtrInst *GEPI = dyn_cast(I)) { @@ -7019,6 +7054,10 @@ return true; switch (I->getOpcode()) { + case Instruction::Shl: + case Instruction::LShr: + case Instruction::AShr: + return optimizeShiftInst(cast(I)); case Instruction::Call: return optimizeCallInst(cast(I), ModifiedDT); case Instruction::Select: Index: llvm/test/CodeGen/X86/vector-shift-by-select-loop.ll =================================================================== --- llvm/test/CodeGen/X86/vector-shift-by-select-loop.ll +++ llvm/test/CodeGen/X86/vector-shift-by-select-loop.ll @@ -27,110 +27,93 @@ ; SSE-NEXT: movl %eax, %edx ; SSE-NEXT: andl $-32, %edx ; SSE-NEXT: movd %r9d, %xmm0 -; SSE-NEXT: pshufd {{.*#+}} xmm8 = xmm0[0,0,0,0] -; SSE-NEXT: movd %r8d, %xmm0 -; SSE-NEXT: pshufd {{.*#+}} xmm9 = xmm0[0,0,0,0] +; SSE-NEXT: movd %r8d, %xmm1 ; SSE-NEXT: xorl %ecx, %ecx -; SSE-NEXT: pxor %xmm10, %xmm10 -; SSE-NEXT: movdqa {{.*#+}} xmm11 = [1065353216,1065353216,1065353216,1065353216] +; SSE-NEXT: pmovzxdq {{.*#+}} xmm13 = xmm1[0],zero,xmm1[1],zero +; SSE-NEXT: pmovzxdq {{.*#+}} xmm14 = xmm0[0],zero,xmm0[1],zero ; SSE-NEXT: .p2align 4, 0x90 ; SSE-NEXT: .LBB0_4: # %vector.body ; SSE-NEXT: # =>This Inner Loop Header: Depth=1 -; SSE-NEXT: pmovzxbw {{.*#+}} xmm4 = mem[0],zero,mem[1],zero,mem[2],zero,mem[3],zero,mem[4],zero,mem[5],zero,mem[6],zero,mem[7],zero +; SSE-NEXT: pmovzxbw {{.*#+}} xmm0 = mem[0],zero,mem[1],zero,mem[2],zero,mem[3],zero,mem[4],zero,mem[5],zero,mem[6],zero,mem[7],zero ; SSE-NEXT: pmovzxbw {{.*#+}} xmm3 = mem[0],zero,mem[1],zero,mem[2],zero,mem[3],zero,mem[4],zero,mem[5],zero,mem[6],zero,mem[7],zero ; SSE-NEXT: pmovzxbw {{.*#+}} xmm2 = mem[0],zero,mem[1],zero,mem[2],zero,mem[3],zero,mem[4],zero,mem[5],zero,mem[6],zero,mem[7],zero -; SSE-NEXT: pmovzxbw {{.*#+}} xmm14 = mem[0],zero,mem[1],zero,mem[2],zero,mem[3],zero,mem[4],zero,mem[5],zero,mem[6],zero,mem[7],zero -; SSE-NEXT: pcmpeqw %xmm10, %xmm4 -; SSE-NEXT: pmovzxwd {{.*#+}} xmm0 = xmm4[0],zero,xmm4[1],zero,xmm4[2],zero,xmm4[3],zero -; SSE-NEXT: punpckhwd {{.*#+}} xmm4 = xmm4[4],xmm0[4],xmm4[5],xmm0[5],xmm4[6],xmm0[6],xmm4[7],xmm0[7] -; SSE-NEXT: pslld $24, %xmm4 +; SSE-NEXT: pmovzxbw {{.*#+}} xmm15 = mem[0],zero,mem[1],zero,mem[2],zero,mem[3],zero,mem[4],zero,mem[5],zero,mem[6],zero,mem[7],zero +; SSE-NEXT: pxor %xmm1, %xmm1 +; SSE-NEXT: pcmpeqw %xmm1, %xmm0 +; SSE-NEXT: pmovzxwd {{.*#+}} xmm12 = xmm0[0],zero,xmm0[1],zero,xmm0[2],zero,xmm0[3],zero +; SSE-NEXT: pslld $24, %xmm12 +; SSE-NEXT: punpckhwd {{.*#+}} xmm0 = xmm0[4,4,5,5,6,6,7,7] ; SSE-NEXT: pslld $24, %xmm0 -; SSE-NEXT: pcmpeqw %xmm10, %xmm3 -; SSE-NEXT: pmovzxwd {{.*#+}} xmm12 = xmm3[0],zero,xmm3[1],zero,xmm3[2],zero,xmm3[3],zero +; SSE-NEXT: pcmpeqw %xmm1, %xmm3 +; SSE-NEXT: pmovzxwd {{.*#+}} xmm11 = xmm3[0],zero,xmm3[1],zero,xmm3[2],zero,xmm3[3],zero +; SSE-NEXT: pslld $24, %xmm11 ; SSE-NEXT: punpckhwd {{.*#+}} xmm3 = xmm3[4],xmm0[4],xmm3[5],xmm0[5],xmm3[6],xmm0[6],xmm3[7],xmm0[7] ; SSE-NEXT: pslld $24, %xmm3 -; SSE-NEXT: pslld $24, %xmm12 -; SSE-NEXT: pcmpeqw %xmm10, %xmm2 -; SSE-NEXT: pmovzxwd {{.*#+}} xmm6 = xmm2[0],zero,xmm2[1],zero,xmm2[2],zero,xmm2[3],zero +; SSE-NEXT: pcmpeqw %xmm1, %xmm2 +; SSE-NEXT: pmovzxwd {{.*#+}} xmm9 = xmm2[0],zero,xmm2[1],zero,xmm2[2],zero,xmm2[3],zero +; SSE-NEXT: pslld $24, %xmm9 ; SSE-NEXT: punpckhwd {{.*#+}} xmm2 = xmm2[4],xmm0[4],xmm2[5],xmm0[5],xmm2[6],xmm0[6],xmm2[7],xmm0[7] ; SSE-NEXT: pslld $24, %xmm2 -; SSE-NEXT: pslld $24, %xmm6 -; SSE-NEXT: pcmpeqw %xmm10, %xmm14 -; SSE-NEXT: pmovzxwd {{.*#+}} xmm13 = xmm14[0],zero,xmm14[1],zero,xmm14[2],zero,xmm14[3],zero -; SSE-NEXT: punpckhwd {{.*#+}} xmm14 = xmm14[4],xmm0[4],xmm14[5],xmm0[5],xmm14[6],xmm0[6],xmm14[7],xmm0[7] -; SSE-NEXT: pslld $24, %xmm14 -; SSE-NEXT: pslld $24, %xmm13 -; SSE-NEXT: movdqa %xmm9, %xmm7 -; SSE-NEXT: blendvps %xmm0, %xmm8, %xmm7 -; SSE-NEXT: movdqa %xmm9, %xmm1 -; SSE-NEXT: movdqa %xmm4, %xmm0 -; SSE-NEXT: blendvps %xmm0, %xmm8, %xmm1 -; SSE-NEXT: movdqa %xmm9, %xmm5 +; SSE-NEXT: pcmpeqw %xmm1, %xmm15 +; SSE-NEXT: pmovzxwd {{.*#+}} xmm8 = xmm15[0],zero,xmm15[1],zero,xmm15[2],zero,xmm15[3],zero +; SSE-NEXT: pslld $24, %xmm8 +; SSE-NEXT: punpckhwd {{.*#+}} xmm15 = xmm15[4],xmm0[4],xmm15[5],xmm0[5],xmm15[6],xmm0[6],xmm15[7],xmm0[7] +; SSE-NEXT: pslld $24, %xmm15 +; SSE-NEXT: movdqu 16(%rdi,%rcx,4), %xmm6 +; SSE-NEXT: movdqa %xmm6, %xmm4 +; SSE-NEXT: pslld %xmm14, %xmm4 +; SSE-NEXT: pslld %xmm13, %xmm6 +; SSE-NEXT: blendvps %xmm0, %xmm4, %xmm6 +; SSE-NEXT: movdqu (%rdi,%rcx,4), %xmm10 +; SSE-NEXT: movdqa %xmm10, %xmm4 +; SSE-NEXT: pslld %xmm14, %xmm4 +; SSE-NEXT: pslld %xmm13, %xmm10 ; SSE-NEXT: movdqa %xmm12, %xmm0 -; SSE-NEXT: blendvps %xmm0, %xmm8, %xmm5 -; SSE-NEXT: movdqa %xmm9, %xmm4 +; SSE-NEXT: blendvps %xmm0, %xmm4, %xmm10 +; SSE-NEXT: movdqu 48(%rdi,%rcx,4), %xmm12 +; SSE-NEXT: movdqa %xmm12, %xmm5 +; SSE-NEXT: pslld %xmm14, %xmm5 +; SSE-NEXT: pslld %xmm13, %xmm12 ; SSE-NEXT: movdqa %xmm3, %xmm0 -; SSE-NEXT: blendvps %xmm0, %xmm8, %xmm4 -; SSE-NEXT: movdqa %xmm9, %xmm3 -; SSE-NEXT: movdqa %xmm6, %xmm0 -; SSE-NEXT: blendvps %xmm0, %xmm8, %xmm3 -; SSE-NEXT: movdqa %xmm9, %xmm6 +; SSE-NEXT: blendvps %xmm0, %xmm5, %xmm12 +; SSE-NEXT: movdqu 32(%rdi,%rcx,4), %xmm3 +; SSE-NEXT: movdqa %xmm3, %xmm5 +; SSE-NEXT: pslld %xmm14, %xmm5 +; SSE-NEXT: pslld %xmm13, %xmm3 +; SSE-NEXT: movdqa %xmm11, %xmm0 +; SSE-NEXT: blendvps %xmm0, %xmm5, %xmm3 +; SSE-NEXT: movdqu 80(%rdi,%rcx,4), %xmm1 +; SSE-NEXT: movdqa %xmm1, %xmm5 +; SSE-NEXT: pslld %xmm14, %xmm5 +; SSE-NEXT: pslld %xmm13, %xmm1 ; SSE-NEXT: movdqa %xmm2, %xmm0 -; SSE-NEXT: blendvps %xmm0, %xmm8, %xmm6 -; SSE-NEXT: movdqa %xmm9, %xmm12 -; SSE-NEXT: movdqa %xmm13, %xmm0 -; SSE-NEXT: blendvps %xmm0, %xmm8, %xmm12 -; SSE-NEXT: movdqa %xmm9, %xmm2 -; SSE-NEXT: movdqa %xmm14, %xmm0 -; SSE-NEXT: blendvps %xmm0, %xmm8, %xmm2 -; SSE-NEXT: movdqu 16(%rdi,%rcx,4), %xmm0 -; SSE-NEXT: pslld $23, %xmm1 -; SSE-NEXT: paddd %xmm11, %xmm1 -; SSE-NEXT: cvttps2dq %xmm1, %xmm13 -; SSE-NEXT: pmulld %xmm0, %xmm13 -; SSE-NEXT: movdqu (%rdi,%rcx,4), %xmm0 -; SSE-NEXT: pslld $23, %xmm7 -; SSE-NEXT: paddd %xmm11, %xmm7 -; SSE-NEXT: cvttps2dq %xmm7, %xmm1 -; SSE-NEXT: pmulld %xmm0, %xmm1 -; SSE-NEXT: movdqu 48(%rdi,%rcx,4), %xmm0 -; SSE-NEXT: pslld $23, %xmm4 -; SSE-NEXT: paddd %xmm11, %xmm4 -; SSE-NEXT: cvttps2dq %xmm4, %xmm7 -; SSE-NEXT: pmulld %xmm0, %xmm7 -; SSE-NEXT: movdqu 32(%rdi,%rcx,4), %xmm0 -; SSE-NEXT: pslld $23, %xmm5 -; SSE-NEXT: paddd %xmm11, %xmm5 -; SSE-NEXT: cvttps2dq %xmm5, %xmm4 -; SSE-NEXT: pmulld %xmm0, %xmm4 -; SSE-NEXT: movdqu 80(%rdi,%rcx,4), %xmm0 -; SSE-NEXT: pslld $23, %xmm6 -; SSE-NEXT: paddd %xmm11, %xmm6 -; SSE-NEXT: cvttps2dq %xmm6, %xmm5 -; SSE-NEXT: pmulld %xmm0, %xmm5 -; SSE-NEXT: movdqu 64(%rdi,%rcx,4), %xmm0 -; SSE-NEXT: pslld $23, %xmm3 -; SSE-NEXT: paddd %xmm11, %xmm3 -; SSE-NEXT: cvttps2dq %xmm3, %xmm3 -; SSE-NEXT: pmulld %xmm0, %xmm3 -; SSE-NEXT: movdqu 112(%rdi,%rcx,4), %xmm0 -; SSE-NEXT: pslld $23, %xmm2 -; SSE-NEXT: paddd %xmm11, %xmm2 -; SSE-NEXT: cvttps2dq %xmm2, %xmm2 -; SSE-NEXT: pmulld %xmm0, %xmm2 -; SSE-NEXT: movdqu 96(%rdi,%rcx,4), %xmm0 -; SSE-NEXT: pslld $23, %xmm12 -; SSE-NEXT: paddd %xmm11, %xmm12 -; SSE-NEXT: cvttps2dq %xmm12, %xmm6 -; SSE-NEXT: pmulld %xmm0, %xmm6 -; SSE-NEXT: movdqu %xmm1, (%rdi,%rcx,4) -; SSE-NEXT: movdqu %xmm13, 16(%rdi,%rcx,4) -; SSE-NEXT: movdqu %xmm4, 32(%rdi,%rcx,4) -; SSE-NEXT: movdqu %xmm7, 48(%rdi,%rcx,4) -; SSE-NEXT: movdqu %xmm3, 64(%rdi,%rcx,4) -; SSE-NEXT: movdqu %xmm5, 80(%rdi,%rcx,4) -; SSE-NEXT: movdqu %xmm6, 96(%rdi,%rcx,4) -; SSE-NEXT: movdqu %xmm2, 112(%rdi,%rcx,4) +; SSE-NEXT: blendvps %xmm0, %xmm5, %xmm1 +; SSE-NEXT: movdqu 64(%rdi,%rcx,4), %xmm2 +; SSE-NEXT: movdqa %xmm2, %xmm5 +; SSE-NEXT: pslld %xmm14, %xmm5 +; SSE-NEXT: pslld %xmm13, %xmm2 +; SSE-NEXT: movdqa %xmm9, %xmm0 +; SSE-NEXT: blendvps %xmm0, %xmm5, %xmm2 +; SSE-NEXT: movdqu 112(%rdi,%rcx,4), %xmm5 +; SSE-NEXT: movdqa %xmm5, %xmm7 +; SSE-NEXT: pslld %xmm14, %xmm7 +; SSE-NEXT: pslld %xmm13, %xmm5 +; SSE-NEXT: movdqa %xmm15, %xmm0 +; SSE-NEXT: blendvps %xmm0, %xmm7, %xmm5 +; SSE-NEXT: movdqu 96(%rdi,%rcx,4), %xmm7 +; SSE-NEXT: movdqa %xmm7, %xmm4 +; SSE-NEXT: pslld %xmm14, %xmm4 +; SSE-NEXT: pslld %xmm13, %xmm7 +; SSE-NEXT: movdqa %xmm8, %xmm0 +; SSE-NEXT: blendvps %xmm0, %xmm4, %xmm7 +; SSE-NEXT: movups %xmm10, (%rdi,%rcx,4) +; SSE-NEXT: movups %xmm6, 16(%rdi,%rcx,4) +; SSE-NEXT: movups %xmm3, 32(%rdi,%rcx,4) +; SSE-NEXT: movups %xmm12, 48(%rdi,%rcx,4) +; SSE-NEXT: movups %xmm2, 64(%rdi,%rcx,4) +; SSE-NEXT: movups %xmm1, 80(%rdi,%rcx,4) +; SSE-NEXT: movups %xmm7, 96(%rdi,%rcx,4) +; SSE-NEXT: movups %xmm5, 112(%rdi,%rcx,4) ; SSE-NEXT: addq $32, %rcx ; SSE-NEXT: cmpq %rcx, %rdx ; SSE-NEXT: jne .LBB0_4 @@ -172,87 +155,88 @@ ; AVX1-NEXT: movl %eax, %edx ; AVX1-NEXT: andl $-32, %edx ; AVX1-NEXT: vmovd %r9d, %xmm0 -; AVX1-NEXT: vpshufd {{.*#+}} xmm0 = xmm0[0,0,0,0] -; AVX1-NEXT: vinsertf128 $1, %xmm0, %ymm0, %ymm11 ; AVX1-NEXT: vmovd %r8d, %xmm1 -; AVX1-NEXT: vpshufd {{.*#+}} xmm1 = xmm1[0,0,0,0] -; AVX1-NEXT: vinsertf128 $1, %xmm1, %ymm1, %ymm12 ; AVX1-NEXT: xorl %ecx, %ecx -; AVX1-NEXT: vpxor %xmm8, %xmm8, %xmm8 -; AVX1-NEXT: vextractf128 $1, %ymm11, %xmm14 -; AVX1-NEXT: vextractf128 $1, %ymm12, %xmm4 -; AVX1-NEXT: vmovdqa {{.*#+}} xmm5 = [1065353216,1065353216,1065353216,1065353216] +; AVX1-NEXT: vpmovzxdq {{.*#+}} xmm13 = xmm1[0],zero,xmm1[1],zero +; AVX1-NEXT: vpmovzxdq {{.*#+}} xmm14 = xmm0[0],zero,xmm0[1],zero +; AVX1-NEXT: vpmovzxdq {{.*#+}} xmm15 = xmm1[0],zero,xmm1[1],zero +; AVX1-NEXT: vpmovzxdq {{.*#+}} xmm8 = xmm0[0],zero,xmm0[1],zero +; AVX1-NEXT: vmovdqu %ymm1, {{[-0-9]+}}(%r{{[sb]}}p) # 32-byte Spill +; AVX1-NEXT: vpmovzxdq {{.*#+}} xmm11 = xmm1[0],zero,xmm1[1],zero +; AVX1-NEXT: vmovdqu %ymm0, {{[-0-9]+}}(%r{{[sb]}}p) # 32-byte Spill +; AVX1-NEXT: vpmovzxdq {{.*#+}} xmm7 = xmm0[0],zero,xmm0[1],zero +; AVX1-NEXT: vpxor %xmm0, %xmm0, %xmm0 ; AVX1-NEXT: .p2align 4, 0x90 ; AVX1-NEXT: .LBB0_4: # %vector.body ; AVX1-NEXT: # =>This Inner Loop Header: Depth=1 +; AVX1-NEXT: vpmovzxdq {{[-0-9]+}}(%r{{[sb]}}p), %xmm1 # 16-byte Folded Reload +; AVX1-NEXT: # xmm1 = mem[0],zero,mem[1],zero ; AVX1-NEXT: vpmovzxbw {{.*#+}} xmm2 = mem[0],zero,mem[1],zero,mem[2],zero,mem[3],zero,mem[4],zero,mem[5],zero,mem[6],zero,mem[7],zero -; AVX1-NEXT: vpmovzxbw {{.*#+}} xmm6 = mem[0],zero,mem[1],zero,mem[2],zero,mem[3],zero,mem[4],zero,mem[5],zero,mem[6],zero,mem[7],zero -; AVX1-NEXT: vpmovzxbw {{.*#+}} xmm7 = mem[0],zero,mem[1],zero,mem[2],zero,mem[3],zero,mem[4],zero,mem[5],zero,mem[6],zero,mem[7],zero -; AVX1-NEXT: vpmovzxbw {{.*#+}} xmm0 = mem[0],zero,mem[1],zero,mem[2],zero,mem[3],zero,mem[4],zero,mem[5],zero,mem[6],zero,mem[7],zero -; AVX1-NEXT: vpcmpeqw %xmm8, %xmm2, %xmm2 -; AVX1-NEXT: vpmovsxwd %xmm2, %xmm1 +; AVX1-NEXT: vpmovzxbw {{.*#+}} xmm3 = mem[0],zero,mem[1],zero,mem[2],zero,mem[3],zero,mem[4],zero,mem[5],zero,mem[6],zero,mem[7],zero +; AVX1-NEXT: vpmovzxbw {{.*#+}} xmm4 = mem[0],zero,mem[1],zero,mem[2],zero,mem[3],zero,mem[4],zero,mem[5],zero,mem[6],zero,mem[7],zero +; AVX1-NEXT: vpmovzxbw {{.*#+}} xmm5 = mem[0],zero,mem[1],zero,mem[2],zero,mem[3],zero,mem[4],zero,mem[5],zero,mem[6],zero,mem[7],zero +; AVX1-NEXT: vpcmpeqw %xmm0, %xmm2, %xmm2 +; AVX1-NEXT: vpmovsxwd %xmm2, %xmm9 ; AVX1-NEXT: vpshufd {{.*#+}} xmm2 = xmm2[2,3,0,1] ; AVX1-NEXT: vpmovsxwd %xmm2, %xmm2 -; AVX1-NEXT: vpcmpeqw %xmm8, %xmm6, %xmm6 -; AVX1-NEXT: vpmovsxwd %xmm6, %xmm3 -; AVX1-NEXT: vpshufd {{.*#+}} xmm6 = xmm6[2,3,0,1] -; AVX1-NEXT: vpmovsxwd %xmm6, %xmm6 -; AVX1-NEXT: vpcmpeqw %xmm8, %xmm7, %xmm7 -; AVX1-NEXT: vpmovsxwd %xmm7, %xmm13 -; AVX1-NEXT: vpshufd {{.*#+}} xmm7 = xmm7[2,3,0,1] -; AVX1-NEXT: vpmovsxwd %xmm7, %xmm7 -; AVX1-NEXT: vpcmpeqw %xmm8, %xmm0, %xmm0 -; AVX1-NEXT: vpmovsxwd %xmm0, %xmm9 -; AVX1-NEXT: vpshufd {{.*#+}} xmm0 = xmm0[2,3,0,1] -; AVX1-NEXT: vpmovsxwd %xmm0, %xmm0 -; AVX1-NEXT: vblendvps %xmm2, %xmm14, %xmm4, %xmm2 -; AVX1-NEXT: vpslld $23, %xmm2, %xmm2 -; AVX1-NEXT: vpaddd %xmm5, %xmm2, %xmm2 -; AVX1-NEXT: vcvttps2dq %xmm2, %xmm2 -; AVX1-NEXT: vpmulld 16(%rdi,%rcx,4), %xmm2, %xmm10 -; AVX1-NEXT: vblendvps %xmm1, %xmm11, %xmm12, %xmm1 -; AVX1-NEXT: vpslld $23, %xmm1, %xmm1 -; AVX1-NEXT: vpaddd %xmm5, %xmm1, %xmm1 -; AVX1-NEXT: vcvttps2dq %xmm1, %xmm1 -; AVX1-NEXT: vpmulld (%rdi,%rcx,4), %xmm1, %xmm15 -; AVX1-NEXT: vblendvps %xmm6, %xmm14, %xmm4, %xmm2 -; AVX1-NEXT: vpslld $23, %xmm2, %xmm2 -; AVX1-NEXT: vpaddd %xmm5, %xmm2, %xmm2 -; AVX1-NEXT: vcvttps2dq %xmm2, %xmm2 -; AVX1-NEXT: vpmulld 48(%rdi,%rcx,4), %xmm2, %xmm2 -; AVX1-NEXT: vblendvps %xmm3, %xmm11, %xmm12, %xmm3 -; AVX1-NEXT: vpslld $23, %xmm3, %xmm3 -; AVX1-NEXT: vpaddd %xmm5, %xmm3, %xmm3 -; AVX1-NEXT: vcvttps2dq %xmm3, %xmm3 -; AVX1-NEXT: vpmulld 32(%rdi,%rcx,4), %xmm3, %xmm3 -; AVX1-NEXT: vblendvps %xmm7, %xmm14, %xmm4, %xmm6 -; AVX1-NEXT: vpslld $23, %xmm6, %xmm6 -; AVX1-NEXT: vpaddd %xmm5, %xmm6, %xmm6 -; AVX1-NEXT: vcvttps2dq %xmm6, %xmm6 -; AVX1-NEXT: vpmulld 80(%rdi,%rcx,4), %xmm6, %xmm6 -; AVX1-NEXT: vblendvps %xmm13, %xmm11, %xmm12, %xmm7 -; AVX1-NEXT: vpslld $23, %xmm7, %xmm7 -; AVX1-NEXT: vpaddd %xmm5, %xmm7, %xmm7 -; AVX1-NEXT: vcvttps2dq %xmm7, %xmm7 -; AVX1-NEXT: vpmulld 64(%rdi,%rcx,4), %xmm7, %xmm7 -; AVX1-NEXT: vblendvps %xmm0, %xmm14, %xmm4, %xmm0 -; AVX1-NEXT: vpslld $23, %xmm0, %xmm0 -; AVX1-NEXT: vpaddd %xmm5, %xmm0, %xmm0 -; AVX1-NEXT: vcvttps2dq %xmm0, %xmm0 -; AVX1-NEXT: vpmulld 112(%rdi,%rcx,4), %xmm0, %xmm0 -; AVX1-NEXT: vblendvps %xmm9, %xmm11, %xmm12, %xmm1 -; AVX1-NEXT: vpslld $23, %xmm1, %xmm1 -; AVX1-NEXT: vpaddd %xmm5, %xmm1, %xmm1 -; AVX1-NEXT: vcvttps2dq %xmm1, %xmm1 -; AVX1-NEXT: vpmulld 96(%rdi,%rcx,4), %xmm1, %xmm1 -; AVX1-NEXT: vmovdqu %xmm15, (%rdi,%rcx,4) -; AVX1-NEXT: vmovdqu %xmm10, 16(%rdi,%rcx,4) -; AVX1-NEXT: vmovdqu %xmm3, 32(%rdi,%rcx,4) -; AVX1-NEXT: vmovdqu %xmm2, 48(%rdi,%rcx,4) -; AVX1-NEXT: vmovdqu %xmm7, 64(%rdi,%rcx,4) -; AVX1-NEXT: vmovdqu %xmm6, 80(%rdi,%rcx,4) -; AVX1-NEXT: vmovdqu %xmm1, 96(%rdi,%rcx,4) -; AVX1-NEXT: vmovdqu %xmm0, 112(%rdi,%rcx,4) +; AVX1-NEXT: vinsertf128 $1, %xmm2, %ymm9, %ymm2 +; AVX1-NEXT: vpcmpeqw %xmm0, %xmm3, %xmm3 +; AVX1-NEXT: vpmovsxwd %xmm3, %xmm9 +; AVX1-NEXT: vpshufd {{.*#+}} xmm3 = xmm3[2,3,0,1] +; AVX1-NEXT: vpmovsxwd %xmm3, %xmm3 +; AVX1-NEXT: vinsertf128 $1, %xmm3, %ymm9, %ymm12 +; AVX1-NEXT: vpcmpeqw %xmm0, %xmm4, %xmm3 +; AVX1-NEXT: vpmovsxwd %xmm3, %xmm4 +; AVX1-NEXT: vpshufd {{.*#+}} xmm3 = xmm3[2,3,0,1] +; AVX1-NEXT: vpmovsxwd %xmm3, %xmm3 +; AVX1-NEXT: vinsertf128 $1, %xmm3, %ymm4, %ymm10 +; AVX1-NEXT: vpcmpeqw %xmm0, %xmm5, %xmm3 +; AVX1-NEXT: vpmovsxwd %xmm3, %xmm4 +; AVX1-NEXT: vpshufd {{.*#+}} xmm3 = xmm3[2,3,0,1] +; AVX1-NEXT: vpmovsxwd %xmm3, %xmm3 +; AVX1-NEXT: vinsertf128 $1, %xmm3, %ymm4, %ymm9 +; AVX1-NEXT: vmovdqu (%rdi,%rcx,4), %xmm3 +; AVX1-NEXT: vmovdqu 16(%rdi,%rcx,4), %xmm4 +; AVX1-NEXT: vpslld %xmm1, %xmm4, %xmm5 +; AVX1-NEXT: vpslld %xmm1, %xmm3, %xmm1 +; AVX1-NEXT: vinsertf128 $1, %xmm5, %ymm1, %ymm1 +; AVX1-NEXT: vpmovzxdq {{[-0-9]+}}(%r{{[sb]}}p), %xmm5 # 16-byte Folded Reload +; AVX1-NEXT: # xmm5 = mem[0],zero,mem[1],zero +; AVX1-NEXT: vpslld %xmm5, %xmm4, %xmm4 +; AVX1-NEXT: vpslld %xmm5, %xmm3, %xmm3 +; AVX1-NEXT: vmovdqu 32(%rdi,%rcx,4), %xmm5 +; AVX1-NEXT: vinsertf128 $1, %xmm4, %ymm3, %ymm3 +; AVX1-NEXT: vmovdqu 48(%rdi,%rcx,4), %xmm4 +; AVX1-NEXT: vblendvps %ymm2, %ymm1, %ymm3, %ymm1 +; AVX1-NEXT: vpslld %xmm7, %xmm4, %xmm2 +; AVX1-NEXT: vpslld %xmm7, %xmm5, %xmm3 +; AVX1-NEXT: vinsertf128 $1, %xmm2, %ymm3, %ymm2 +; AVX1-NEXT: vpslld %xmm11, %xmm4, %xmm3 +; AVX1-NEXT: vpslld %xmm11, %xmm5, %xmm4 +; AVX1-NEXT: vinsertf128 $1, %xmm3, %ymm4, %ymm3 +; AVX1-NEXT: vblendvps %ymm12, %ymm2, %ymm3, %ymm2 +; AVX1-NEXT: vmovdqu 80(%rdi,%rcx,4), %xmm3 +; AVX1-NEXT: vpslld %xmm8, %xmm3, %xmm4 +; AVX1-NEXT: vmovdqu 64(%rdi,%rcx,4), %xmm5 +; AVX1-NEXT: vpslld %xmm8, %xmm5, %xmm12 +; AVX1-NEXT: vinsertf128 $1, %xmm4, %ymm12, %ymm4 +; AVX1-NEXT: vpslld %xmm15, %xmm3, %xmm3 +; AVX1-NEXT: vpslld %xmm15, %xmm5, %xmm5 +; AVX1-NEXT: vinsertf128 $1, %xmm3, %ymm5, %ymm3 +; AVX1-NEXT: vblendvps %ymm10, %ymm4, %ymm3, %ymm3 +; AVX1-NEXT: vmovdqu 112(%rdi,%rcx,4), %xmm4 +; AVX1-NEXT: vpslld %xmm14, %xmm4, %xmm5 +; AVX1-NEXT: vmovdqu 96(%rdi,%rcx,4), %xmm6 +; AVX1-NEXT: vpslld %xmm14, %xmm6, %xmm10 +; AVX1-NEXT: vinsertf128 $1, %xmm5, %ymm10, %ymm5 +; AVX1-NEXT: vpslld %xmm13, %xmm4, %xmm4 +; AVX1-NEXT: vpslld %xmm13, %xmm6, %xmm6 +; AVX1-NEXT: vinsertf128 $1, %xmm4, %ymm6, %ymm4 +; AVX1-NEXT: vblendvps %ymm9, %ymm5, %ymm4, %ymm4 +; AVX1-NEXT: vmovups %ymm1, (%rdi,%rcx,4) +; AVX1-NEXT: vmovups %ymm2, 32(%rdi,%rcx,4) +; AVX1-NEXT: vmovups %ymm3, 64(%rdi,%rcx,4) +; AVX1-NEXT: vmovups %ymm4, 96(%rdi,%rcx,4) ; AVX1-NEXT: addq $32, %rcx ; AVX1-NEXT: cmpq %rcx, %rdx ; AVX1-NEXT: jne .LBB0_4 @@ -466,26 +450,29 @@ ; SSE-NEXT: movl %edx, %eax ; SSE-NEXT: andl $-4, %eax ; SSE-NEXT: movd %ecx, %xmm0 +; SSE-NEXT: movd %r8d, %xmm2 +; SSE-NEXT: movd %r9d, %xmm3 +; SSE-NEXT: xorl %ecx, %ecx +; SSE-NEXT: pslld $23, %xmm0 +; SSE-NEXT: movdqa {{.*#+}} xmm4 = [1065353216,1065353216,1065353216,1065353216] +; SSE-NEXT: paddd %xmm4, %xmm0 +; SSE-NEXT: cvttps2dq %xmm0, %xmm0 +; SSE-NEXT: pmulld %xmm3, %xmm0 ; SSE-NEXT: pshufd {{.*#+}} xmm1 = xmm0[0,0,0,0] -; SSE-NEXT: movd %r8d, %xmm0 +; SSE-NEXT: pslld $23, %xmm2 +; SSE-NEXT: paddd %xmm4, %xmm2 +; SSE-NEXT: cvttps2dq %xmm2, %xmm0 +; SSE-NEXT: pmulld %xmm3, %xmm0 ; SSE-NEXT: pshufd {{.*#+}} xmm2 = xmm0[0,0,0,0] -; SSE-NEXT: movd %r9d, %xmm0 -; SSE-NEXT: xorl %ecx, %ecx -; SSE-NEXT: pshufd {{.*#+}} xmm3 = xmm0[0,0,0,0] -; SSE-NEXT: pxor %xmm4, %xmm4 -; SSE-NEXT: movdqa {{.*#+}} xmm5 = [1065353216,1065353216,1065353216,1065353216] +; SSE-NEXT: pxor %xmm3, %xmm3 ; SSE-NEXT: .p2align 4, 0x90 ; SSE-NEXT: .LBB1_2: # %vector.body ; SSE-NEXT: # =>This Inner Loop Header: Depth=1 ; SSE-NEXT: pmovzxbd {{.*#+}} xmm0 = mem[0],zero,zero,zero,mem[1],zero,zero,zero,mem[2],zero,zero,zero,mem[3],zero,zero,zero -; SSE-NEXT: pcmpeqd %xmm4, %xmm0 -; SSE-NEXT: movdqa %xmm2, %xmm6 -; SSE-NEXT: blendvps %xmm0, %xmm1, %xmm6 -; SSE-NEXT: pslld $23, %xmm6 -; SSE-NEXT: paddd %xmm5, %xmm6 -; SSE-NEXT: cvttps2dq %xmm6, %xmm0 -; SSE-NEXT: pmulld %xmm3, %xmm0 -; SSE-NEXT: movdqu %xmm0, (%rdi,%rcx,4) +; SSE-NEXT: pcmpeqd %xmm3, %xmm0 +; SSE-NEXT: movdqa %xmm2, %xmm4 +; SSE-NEXT: blendvps %xmm0, %xmm1, %xmm4 +; SSE-NEXT: movups %xmm4, (%rdi,%rcx,4) ; SSE-NEXT: addq $4, %rcx ; SSE-NEXT: cmpq %rcx, %rax ; SSE-NEXT: jne .LBB1_2 @@ -500,25 +487,28 @@ ; AVX1-NEXT: movl %edx, %eax ; AVX1-NEXT: andl $-4, %eax ; AVX1-NEXT: vmovd %ecx, %xmm0 -; AVX1-NEXT: vpshufd {{.*#+}} xmm0 = xmm0[0,0,0,0] ; AVX1-NEXT: vmovd %r8d, %xmm1 -; AVX1-NEXT: vpshufd {{.*#+}} xmm1 = xmm1[0,0,0,0] ; AVX1-NEXT: vmovd %r9d, %xmm2 ; AVX1-NEXT: xorl %ecx, %ecx -; AVX1-NEXT: vpshufd {{.*#+}} xmm2 = xmm2[0,0,0,0] -; AVX1-NEXT: vpxor %xmm3, %xmm3, %xmm3 -; AVX1-NEXT: vmovdqa {{.*#+}} xmm4 = [1065353216,1065353216,1065353216,1065353216] +; AVX1-NEXT: vpslld $23, %xmm0, %xmm0 +; AVX1-NEXT: vmovdqa {{.*#+}} xmm3 = [1065353216,1065353216,1065353216,1065353216] +; AVX1-NEXT: vpaddd %xmm3, %xmm0, %xmm0 +; AVX1-NEXT: vcvttps2dq %xmm0, %xmm0 +; AVX1-NEXT: vpmulld %xmm0, %xmm2, %xmm0 +; AVX1-NEXT: vpshufd {{.*#+}} xmm0 = xmm0[0,0,0,0] +; AVX1-NEXT: vpslld $23, %xmm1, %xmm1 +; AVX1-NEXT: vpaddd %xmm3, %xmm1, %xmm1 +; AVX1-NEXT: vcvttps2dq %xmm1, %xmm1 +; AVX1-NEXT: vpmulld %xmm1, %xmm2, %xmm1 +; AVX1-NEXT: vpshufd {{.*#+}} xmm1 = xmm1[0,0,0,0] +; AVX1-NEXT: vpxor %xmm2, %xmm2, %xmm2 ; AVX1-NEXT: .p2align 4, 0x90 ; AVX1-NEXT: .LBB1_2: # %vector.body ; AVX1-NEXT: # =>This Inner Loop Header: Depth=1 -; AVX1-NEXT: vpmovzxbd {{.*#+}} xmm5 = mem[0],zero,zero,zero,mem[1],zero,zero,zero,mem[2],zero,zero,zero,mem[3],zero,zero,zero -; AVX1-NEXT: vpcmpeqd %xmm3, %xmm5, %xmm5 -; AVX1-NEXT: vblendvps %xmm5, %xmm0, %xmm1, %xmm5 -; AVX1-NEXT: vpslld $23, %xmm5, %xmm5 -; AVX1-NEXT: vpaddd %xmm4, %xmm5, %xmm5 -; AVX1-NEXT: vcvttps2dq %xmm5, %xmm5 -; AVX1-NEXT: vpmulld %xmm5, %xmm2, %xmm5 -; AVX1-NEXT: vmovdqu %xmm5, (%rdi,%rcx,4) +; AVX1-NEXT: vpmovzxbd {{.*#+}} xmm3 = mem[0],zero,zero,zero,mem[1],zero,zero,zero,mem[2],zero,zero,zero,mem[3],zero,zero,zero +; AVX1-NEXT: vpcmpeqd %xmm2, %xmm3, %xmm3 +; AVX1-NEXT: vblendvps %xmm3, %xmm0, %xmm1, %xmm3 +; AVX1-NEXT: vmovups %xmm3, (%rdi,%rcx,4) ; AVX1-NEXT: addq $4, %rcx ; AVX1-NEXT: cmpq %rcx, %rax ; AVX1-NEXT: jne .LBB1_2 Index: llvm/test/CodeGen/X86/vector-shift-lshr-128.ll =================================================================== --- llvm/test/CodeGen/X86/vector-shift-lshr-128.ll +++ llvm/test/CodeGen/X86/vector-shift-lshr-128.ll @@ -1237,73 +1237,40 @@ define <4 x i32> @vector_variable_shift_right(<4 x i1> %cond, <4 x i32> %x, <4 x i32> %y, <4 x i32> %z) nounwind { ; SSE2-LABEL: vector_variable_shift_right: ; SSE2: # %bb.0: +; SSE2-NEXT: xorps %xmm4, %xmm4 +; SSE2-NEXT: xorps %xmm5, %xmm5 +; SSE2-NEXT: movss {{.*#+}} xmm5 = xmm2[0],xmm5[1,2,3] +; SSE2-NEXT: movss {{.*#+}} xmm4 = xmm1[0],xmm4[1,2,3] ; SSE2-NEXT: pslld $31, %xmm0 ; SSE2-NEXT: psrad $31, %xmm0 -; SSE2-NEXT: pshufd {{.*#+}} xmm1 = xmm1[0,0,0,0] -; SSE2-NEXT: pshufd {{.*#+}} xmm2 = xmm2[0,0,0,0] -; SSE2-NEXT: pand %xmm0, %xmm1 -; SSE2-NEXT: pandn %xmm2, %xmm0 -; SSE2-NEXT: por %xmm1, %xmm0 -; SSE2-NEXT: pshuflw {{.*#+}} xmm1 = xmm0[2,3,3,3,4,5,6,7] -; SSE2-NEXT: movdqa %xmm3, %xmm2 -; SSE2-NEXT: psrld %xmm1, %xmm2 -; SSE2-NEXT: pshuflw {{.*#+}} xmm4 = xmm0[0,1,1,1,4,5,6,7] ; SSE2-NEXT: movdqa %xmm3, %xmm1 ; SSE2-NEXT: psrld %xmm4, %xmm1 -; SSE2-NEXT: punpcklqdq {{.*#+}} xmm1 = xmm1[0],xmm2[0] -; SSE2-NEXT: pshufd {{.*#+}} xmm0 = xmm0[2,3,0,1] -; SSE2-NEXT: pshuflw {{.*#+}} xmm2 = xmm0[2,3,3,3,4,5,6,7] -; SSE2-NEXT: movdqa %xmm3, %xmm4 -; SSE2-NEXT: psrld %xmm2, %xmm4 -; SSE2-NEXT: pshuflw {{.*#+}} xmm0 = xmm0[0,1,1,1,4,5,6,7] -; SSE2-NEXT: psrld %xmm0, %xmm3 -; SSE2-NEXT: punpckhqdq {{.*#+}} xmm3 = xmm3[1],xmm4[1] -; SSE2-NEXT: shufps {{.*#+}} xmm1 = xmm1[0,3],xmm3[0,3] -; SSE2-NEXT: movaps %xmm1, %xmm0 +; SSE2-NEXT: psrld %xmm5, %xmm3 +; SSE2-NEXT: pand %xmm0, %xmm1 +; SSE2-NEXT: pandn %xmm3, %xmm0 +; SSE2-NEXT: por %xmm1, %xmm0 ; SSE2-NEXT: retq ; ; SSE41-LABEL: vector_variable_shift_right: ; SSE41: # %bb.0: ; SSE41-NEXT: pslld $31, %xmm0 -; SSE41-NEXT: pshufd {{.*#+}} xmm1 = xmm1[0,0,0,0] -; SSE41-NEXT: pshufd {{.*#+}} xmm2 = xmm2[0,0,0,0] -; SSE41-NEXT: blendvps %xmm0, %xmm1, %xmm2 -; SSE41-NEXT: pshuflw {{.*#+}} xmm0 = xmm2[2,3,3,3,4,5,6,7] -; SSE41-NEXT: movdqa %xmm3, %xmm1 -; SSE41-NEXT: psrld %xmm0, %xmm1 -; SSE41-NEXT: pshufd {{.*#+}} xmm0 = xmm2[2,3,0,1] -; SSE41-NEXT: pshuflw {{.*#+}} xmm4 = xmm0[2,3,3,3,4,5,6,7] -; SSE41-NEXT: movdqa %xmm3, %xmm5 -; SSE41-NEXT: psrld %xmm4, %xmm5 -; SSE41-NEXT: pblendw {{.*#+}} xmm5 = xmm1[0,1,2,3],xmm5[4,5,6,7] -; SSE41-NEXT: pshuflw {{.*#+}} xmm1 = xmm2[0,1,1,1,4,5,6,7] -; SSE41-NEXT: movdqa %xmm3, %xmm2 -; SSE41-NEXT: psrld %xmm1, %xmm2 -; SSE41-NEXT: pshuflw {{.*#+}} xmm0 = xmm0[0,1,1,1,4,5,6,7] -; SSE41-NEXT: psrld %xmm0, %xmm3 -; SSE41-NEXT: pblendw {{.*#+}} xmm3 = xmm2[0,1,2,3],xmm3[4,5,6,7] -; SSE41-NEXT: pblendw {{.*#+}} xmm3 = xmm3[0,1],xmm5[2,3],xmm3[4,5],xmm5[6,7] -; SSE41-NEXT: movdqa %xmm3, %xmm0 +; SSE41-NEXT: pmovzxdq {{.*#+}} xmm2 = xmm2[0],zero,xmm2[1],zero +; SSE41-NEXT: pmovzxdq {{.*#+}} xmm1 = xmm1[0],zero,xmm1[1],zero +; SSE41-NEXT: movdqa %xmm3, %xmm4 +; SSE41-NEXT: psrld %xmm1, %xmm4 +; SSE41-NEXT: psrld %xmm2, %xmm3 +; SSE41-NEXT: blendvps %xmm0, %xmm4, %xmm3 +; SSE41-NEXT: movaps %xmm3, %xmm0 ; SSE41-NEXT: retq ; ; AVX1-LABEL: vector_variable_shift_right: ; AVX1: # %bb.0: ; AVX1-NEXT: vpslld $31, %xmm0, %xmm0 -; AVX1-NEXT: vpermilps {{.*#+}} xmm1 = xmm1[0,0,0,0] -; AVX1-NEXT: vpermilps {{.*#+}} xmm2 = xmm2[0,0,0,0] -; AVX1-NEXT: vblendvps %xmm0, %xmm1, %xmm2, %xmm0 -; AVX1-NEXT: vpsrldq {{.*#+}} xmm1 = xmm0[12,13,14,15],zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero,zero +; AVX1-NEXT: vpmovzxdq {{.*#+}} xmm2 = xmm2[0],zero,xmm2[1],zero +; AVX1-NEXT: vpmovzxdq {{.*#+}} xmm1 = xmm1[0],zero,xmm1[1],zero ; AVX1-NEXT: vpsrld %xmm1, %xmm3, %xmm1 -; AVX1-NEXT: vpsrlq $32, %xmm0, %xmm2 -; AVX1-NEXT: vpsrld %xmm2, %xmm3, %xmm2 -; AVX1-NEXT: vpblendw {{.*#+}} xmm1 = xmm2[0,1,2,3],xmm1[4,5,6,7] -; AVX1-NEXT: vpxor %xmm2, %xmm2, %xmm2 -; AVX1-NEXT: vpunpckhdq {{.*#+}} xmm2 = xmm0[2],xmm2[2],xmm0[3],xmm2[3] ; AVX1-NEXT: vpsrld %xmm2, %xmm3, %xmm2 -; AVX1-NEXT: vpmovzxdq {{.*#+}} xmm0 = xmm0[0],zero,xmm0[1],zero -; AVX1-NEXT: vpsrld %xmm0, %xmm3, %xmm0 -; AVX1-NEXT: vpblendw {{.*#+}} xmm0 = xmm0[0,1,2,3],xmm2[4,5,6,7] -; AVX1-NEXT: vpblendw {{.*#+}} xmm0 = xmm0[0,1],xmm1[2,3],xmm0[4,5],xmm1[6,7] +; AVX1-NEXT: vblendvps %xmm0, %xmm1, %xmm2, %xmm0 ; AVX1-NEXT: retq ; ; AVX2-LABEL: vector_variable_shift_right: @@ -1381,30 +1348,19 @@ ; X32-SSE-NEXT: movl %esp, %ebp ; X32-SSE-NEXT: andl $-16, %esp ; X32-SSE-NEXT: subl $16, %esp +; X32-SSE-NEXT: xorps %xmm3, %xmm3 +; X32-SSE-NEXT: xorps %xmm4, %xmm4 +; X32-SSE-NEXT: movss {{.*#+}} xmm4 = xmm2[0],xmm4[1,2,3] +; X32-SSE-NEXT: movss {{.*#+}} xmm3 = xmm1[0],xmm3[1,2,3] ; X32-SSE-NEXT: pslld $31, %xmm0 ; X32-SSE-NEXT: psrad $31, %xmm0 -; X32-SSE-NEXT: movdqa 8(%ebp), %xmm3 -; X32-SSE-NEXT: pshufd {{.*#+}} xmm1 = xmm1[0,0,0,0] -; X32-SSE-NEXT: pshufd {{.*#+}} xmm2 = xmm2[0,0,0,0] -; X32-SSE-NEXT: pand %xmm0, %xmm1 -; X32-SSE-NEXT: pandn %xmm2, %xmm0 -; X32-SSE-NEXT: por %xmm1, %xmm0 -; X32-SSE-NEXT: pshuflw {{.*#+}} xmm1 = xmm0[2,3,3,3,4,5,6,7] -; X32-SSE-NEXT: movdqa %xmm3, %xmm2 -; X32-SSE-NEXT: psrld %xmm1, %xmm2 -; X32-SSE-NEXT: pshuflw {{.*#+}} xmm4 = xmm0[0,1,1,1,4,5,6,7] -; X32-SSE-NEXT: movdqa %xmm3, %xmm1 +; X32-SSE-NEXT: movdqa 8(%ebp), %xmm1 +; X32-SSE-NEXT: movdqa %xmm1, %xmm2 +; X32-SSE-NEXT: psrld %xmm3, %xmm2 ; X32-SSE-NEXT: psrld %xmm4, %xmm1 -; X32-SSE-NEXT: punpcklqdq {{.*#+}} xmm1 = xmm1[0],xmm2[0] -; X32-SSE-NEXT: pshufd {{.*#+}} xmm0 = xmm0[2,3,0,1] -; X32-SSE-NEXT: pshuflw {{.*#+}} xmm2 = xmm0[2,3,3,3,4,5,6,7] -; X32-SSE-NEXT: movdqa %xmm3, %xmm4 -; X32-SSE-NEXT: psrld %xmm2, %xmm4 -; X32-SSE-NEXT: pshuflw {{.*#+}} xmm0 = xmm0[0,1,1,1,4,5,6,7] -; X32-SSE-NEXT: psrld %xmm0, %xmm3 -; X32-SSE-NEXT: punpckhqdq {{.*#+}} xmm3 = xmm3[1],xmm4[1] -; X32-SSE-NEXT: shufps {{.*#+}} xmm1 = xmm1[0,3],xmm3[0,3] -; X32-SSE-NEXT: movaps %xmm1, %xmm0 +; X32-SSE-NEXT: pand %xmm0, %xmm2 +; X32-SSE-NEXT: pandn %xmm1, %xmm0 +; X32-SSE-NEXT: por %xmm2, %xmm0 ; X32-SSE-NEXT: movl %ebp, %esp ; X32-SSE-NEXT: popl %ebp ; X32-SSE-NEXT: retl Index: llvm/test/Transforms/CodeGenPrepare/X86/vec-shift.ll =================================================================== --- llvm/test/Transforms/CodeGenPrepare/X86/vec-shift.ll +++ llvm/test/Transforms/CodeGenPrepare/X86/vec-shift.ll @@ -4,12 +4,21 @@ ; RUN: opt -codegenprepare -mtriple=x86_64-- -mattr=avx -S -enable-debugify < %s 2>&1 | FileCheck %s -check-prefix=DEBUG define <4 x i32> @vector_variable_shift_right(<4 x i1> %cond, <4 x i32> %x, <4 x i32> %y, <4 x i32> %z) { -; ALL-LABEL: @vector_variable_shift_right( -; ALL-NEXT: [[SPLAT1:%.*]] = shufflevector <4 x i32> [[X:%.*]], <4 x i32> undef, <4 x i32> zeroinitializer -; ALL-NEXT: [[SPLAT2:%.*]] = shufflevector <4 x i32> [[Y:%.*]], <4 x i32> undef, <4 x i32> zeroinitializer -; ALL-NEXT: [[SEL:%.*]] = select <4 x i1> [[COND:%.*]], <4 x i32> [[SPLAT1]], <4 x i32> [[SPLAT2]] -; ALL-NEXT: [[SH:%.*]] = lshr <4 x i32> [[Z:%.*]], [[SEL]] -; ALL-NEXT: ret <4 x i32> [[SH]] +; AVX-LABEL: @vector_variable_shift_right( +; AVX-NEXT: [[SPLAT1:%.*]] = shufflevector <4 x i32> [[X:%.*]], <4 x i32> undef, <4 x i32> zeroinitializer +; AVX-NEXT: [[SPLAT2:%.*]] = shufflevector <4 x i32> [[Y:%.*]], <4 x i32> undef, <4 x i32> zeroinitializer +; AVX-NEXT: [[SEL:%.*]] = select <4 x i1> [[COND:%.*]], <4 x i32> [[SPLAT1]], <4 x i32> [[SPLAT2]] +; AVX-NEXT: [[TMP1:%.*]] = lshr <4 x i32> [[Z:%.*]], [[SPLAT1]] +; AVX-NEXT: [[TMP2:%.*]] = lshr <4 x i32> [[Z]], [[SPLAT2]] +; AVX-NEXT: [[TMP3:%.*]] = select <4 x i1> [[COND]], <4 x i32> [[TMP1]], <4 x i32> [[TMP2]] +; AVX-NEXT: ret <4 x i32> [[TMP3]] +; +; AVX2-LABEL: @vector_variable_shift_right( +; AVX2-NEXT: [[SPLAT1:%.*]] = shufflevector <4 x i32> [[X:%.*]], <4 x i32> undef, <4 x i32> zeroinitializer +; AVX2-NEXT: [[SPLAT2:%.*]] = shufflevector <4 x i32> [[Y:%.*]], <4 x i32> undef, <4 x i32> zeroinitializer +; AVX2-NEXT: [[SEL:%.*]] = select <4 x i1> [[COND:%.*]], <4 x i32> [[SPLAT1]], <4 x i32> [[SPLAT2]] +; AVX2-NEXT: [[SH:%.*]] = lshr <4 x i32> [[Z:%.*]], [[SEL]] +; AVX2-NEXT: ret <4 x i32> [[SH]] ; %splat1 = shufflevector <4 x i32> %x, <4 x i32> undef, <4 x i32> zeroinitializer %splat2 = shufflevector <4 x i32> %y, <4 x i32> undef, <4 x i32> zeroinitializer @@ -36,19 +45,23 @@ ; AVX-NEXT: br label [[VECTOR_BODY:%.*]] ; AVX: vector.body: ; AVX-NEXT: [[INDEX:%.*]] = phi i64 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ] -; AVX-NEXT: [[TMP0:%.*]] = shufflevector <4 x i32> [[SPLATINSERT22]], <4 x i32> undef, <4 x i32> zeroinitializer -; AVX-NEXT: [[TMP1:%.*]] = getelementptr inbounds i8, i8* [[CONTROL:%.*]], i64 [[INDEX]] -; AVX-NEXT: [[TMP2:%.*]] = bitcast i8* [[TMP1]] to <4 x i8>* -; AVX-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i8>, <4 x i8>* [[TMP2]], align 1 -; AVX-NEXT: [[TMP3:%.*]] = icmp eq <4 x i8> [[WIDE_LOAD]], zeroinitializer -; AVX-NEXT: [[TMP4:%.*]] = select <4 x i1> [[TMP3]], <4 x i32> [[SPLAT1]], <4 x i32> [[SPLAT2]] -; AVX-NEXT: [[TMP5:%.*]] = shl <4 x i32> [[TMP0]], [[TMP4]] -; AVX-NEXT: [[TMP6:%.*]] = getelementptr inbounds i32, i32* [[ARR:%.*]], i64 [[INDEX]] -; AVX-NEXT: [[TMP7:%.*]] = bitcast i32* [[TMP6]] to <4 x i32>* -; AVX-NEXT: store <4 x i32> [[TMP5]], <4 x i32>* [[TMP7]], align 4 +; AVX-NEXT: [[TMP0:%.*]] = shufflevector <4 x i32> [[SPLATINSERT20]], <4 x i32> undef, <4 x i32> zeroinitializer +; AVX-NEXT: [[TMP1:%.*]] = shufflevector <4 x i32> [[SPLATINSERT18]], <4 x i32> undef, <4 x i32> zeroinitializer +; AVX-NEXT: [[TMP2:%.*]] = shufflevector <4 x i32> [[SPLATINSERT22]], <4 x i32> undef, <4 x i32> zeroinitializer +; AVX-NEXT: [[TMP3:%.*]] = getelementptr inbounds i8, i8* [[CONTROL:%.*]], i64 [[INDEX]] +; AVX-NEXT: [[TMP4:%.*]] = bitcast i8* [[TMP3]] to <4 x i8>* +; AVX-NEXT: [[WIDE_LOAD:%.*]] = load <4 x i8>, <4 x i8>* [[TMP4]], align 1 +; AVX-NEXT: [[TMP5:%.*]] = icmp eq <4 x i8> [[WIDE_LOAD]], zeroinitializer +; AVX-NEXT: [[TMP6:%.*]] = select <4 x i1> [[TMP5]], <4 x i32> [[SPLAT1]], <4 x i32> [[SPLAT2]] +; AVX-NEXT: [[TMP7:%.*]] = shl <4 x i32> [[TMP2]], [[TMP1]] +; AVX-NEXT: [[TMP8:%.*]] = shl <4 x i32> [[TMP2]], [[TMP0]] +; AVX-NEXT: [[TMP9:%.*]] = select <4 x i1> [[TMP5]], <4 x i32> [[TMP7]], <4 x i32> [[TMP8]] +; AVX-NEXT: [[TMP10:%.*]] = getelementptr inbounds i32, i32* [[ARR:%.*]], i64 [[INDEX]] +; AVX-NEXT: [[TMP11:%.*]] = bitcast i32* [[TMP10]] to <4 x i32>* +; AVX-NEXT: store <4 x i32> [[TMP9]], <4 x i32>* [[TMP11]], align 4 ; AVX-NEXT: [[INDEX_NEXT]] = add i64 [[INDEX]], 4 -; AVX-NEXT: [[TMP8:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] -; AVX-NEXT: br i1 [[TMP8]], label [[EXIT]], label [[VECTOR_BODY]] +; AVX-NEXT: [[TMP12:%.*]] = icmp eq i64 [[INDEX_NEXT]], [[N_VEC]] +; AVX-NEXT: br i1 [[TMP12]], label [[EXIT]], label [[VECTOR_BODY]] ; AVX: exit: ; AVX-NEXT: ret void ;