commit 03a9adc2ba4179fc17522658f84535c310ec8c6c
author Craig Topper <craig.topper@gmail.com> Sat Feb 18 19:51:19 2017 +0000
committer Craig Topper <craig.topper@gmail.com> Sat Feb 18 19:51:19 2017 +0000
tree 43ef3d98dfd3a6b0ccba9fbb236382f3b31af9aa
parent aa49f144963f872fab2ce40adda265b668dcdacf

[X86][IR] Simplify the XOP vpcmov autoupgrade code. NFC

llvm-svn: 295563

llvm/lib/IR/AutoUpgrade.cpp

diff --git a/llvm/lib/IR/AutoUpgrade.cpp b/llvm/lib/IR/AutoUpgrade.cpp
index 099acbf..977a61f 100644
--- a/llvm/lib/IR/AutoUpgrade.cpp
+++ b/llvm/lib/IR/AutoUpgrade.cpp
@@ -1079,14 +1079,10 @@
           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(),