maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity

[X86] Qualify some vector specific code with VT.isVector(). NFCI 

Other checks inside require a build_vector, but we this lets us stop earlier and makes the code more clear.

llvm-svn: 318969
This commit is contained in:
Craig Topper 2017-11-25 07:20:23 +00:00
parent c1b3269171
commit 696bfc08d8
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
llvm/lib/Target/X86/X86ISelLowering.cpp
View File

@ -35902,11 +35902,11 @@ static SDValue combineSetCC(SDNode *N, SelectionDAG &DAG,
return V; return V;
} }
if (VT.getScalarType() == MVT::i1 && if (VT.isVector() && VT.getVectorElementType() == MVT::i1 &&
(CC == ISD::SETNE || CC == ISD::SETEQ || ISD::isSignedIntSetCC(CC))) { (CC == ISD::SETNE || CC == ISD::SETEQ || ISD::isSignedIntSetCC(CC))) {
bool IsSEXT0 = bool IsSEXT0 =
(LHS.getOpcode() == ISD::SIGN_EXTEND) && (LHS.getOpcode() == ISD::SIGN_EXTEND) &&
(LHS.getOperand(0).getValueType().getScalarType() == MVT::i1); (LHS.getOperand(0).getValueType().getVectorElementType() == MVT::i1);
bool IsVZero1 = ISD::isBuildVectorAllZeros(RHS.getNode()); bool IsVZero1 = ISD::isBuildVectorAllZeros(RHS.getNode());
if (!IsSEXT0 || !IsVZero1) { if (!IsSEXT0 || !IsVZero1) {