[llvm] r295563 - [X86][IR] Simplify the XOP vpcmov autoupgrade code. NFC
Craig Topper via llvm-commits
llvm-commits at lists.llvm.org
Sat Feb 18 11:51:19 PST 2017
Author: ctopper
Date: Sat Feb 18 13:51:19 2017
New Revision: 295563
URL: http://llvm.org/viewvc/llvm-project?rev=295563&view=rev
Log:
[X86][IR] Simplify the XOP vpcmov autoupgrade code. NFC
Modified:
llvm/trunk/lib/IR/AutoUpgrade.cpp
Modified: llvm/trunk/lib/IR/AutoUpgrade.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/IR/AutoUpgrade.cpp?rev=295563&r1=295562&r2=295563&view=diff
==============================================================================
--- llvm/trunk/lib/IR/AutoUpgrade.cpp (original)
+++ llvm/trunk/lib/IR/AutoUpgrade.cpp Sat Feb 18 13:51:19 2017
@@ -1079,14 +1079,10 @@ void llvm::UpgradeIntrinsicCall(CallInst
Builder.CreateCall(VPCOM, {CI->getArgOperand(0), CI->getArgOperand(1),
Builder.getInt8(Imm)});
} else if (IsX86 && Name == "xop.vpcmov") {
- Value *Arg0 = CI->getArgOperand(0);
- Value *Arg1 = CI->getArgOperand(1);
Value *Sel = CI->getArgOperand(2);
- unsigned NumElts = CI->getType()->getVectorNumElements();
- Constant *MinusOne = ConstantVector::getSplat(NumElts, Builder.getInt64(-1));
- Value *NotSel = Builder.CreateXor(Sel, MinusOne);
- Value *Sel0 = Builder.CreateAnd(Arg0, Sel);
- Value *Sel1 = Builder.CreateAnd(Arg1, NotSel);
+ Value *NotSel = Builder.CreateNot(Sel);
+ Value *Sel0 = Builder.CreateAnd(CI->getArgOperand(0), Sel);
+ Value *Sel1 = Builder.CreateAnd(CI->getArgOperand(1), NotSel);
Rep = Builder.CreateOr(Sel0, Sel1);
} else if (IsX86 && Name == "sse42.crc32.64.8") {
Function *CRC32 = Intrinsic::getDeclaration(F->getParent(),
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