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[X86] Limit getTargetConstantFromNode to only work on NormalLoads not extending loads. 

This seems to fix a failure reported by Jordan Rupprecht, but we
don't have a reduced test case yet.

llvm-svn: 365589
This commit is contained in:
Craig Topper 2019-07-10 00:40:01 +00:00
parent cc418a3af4
commit 50f70de557
1 changed files with 1 additions and 1 deletions
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2
llvm/lib/Target/X86/X86ISelLowering.cpp
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@ -5788,7 +5788,7 @@ static SDValue getShuffleVectorZeroOrUndef(SDValue V2, int Idx,
} }
static const Constant *getTargetConstantFromNode(LoadSDNode *Load) { static const Constant *getTargetConstantFromNode(LoadSDNode *Load) {
if (!Load) if (!Load || !ISD::isNormalLoad(Load))
return nullptr; return nullptr;
SDValue Ptr = Load->getBasePtr(); SDValue Ptr = Load->getBasePtr();