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[x86] Initialize a pointer to null to fix a bug in r212602. 

This should restore GCC hosts (which happen to put the bad stuff into
the pointer) and MSan, etc.

llvm-svn: 212606
This commit is contained in:
Chandler Carruth 2014-07-09 10:36:42 +00:00
parent f5a5fbd3f4
commit ef5dcf571e
1 changed files with 1 additions and 1 deletions
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2
llvm/lib/Target/X86/X86ISelLowering.cpp
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@ -20385,7 +20385,7 @@ static SDValue WidenMaskArithmetic(SDNode *N, SelectionDAG &DAG,
// The right side has to be a 'trunc' or a constant vector. // The right side has to be a 'trunc' or a constant vector.
bool RHSTrunc = N1.getOpcode() == ISD::TRUNCATE; bool RHSTrunc = N1.getOpcode() == ISD::TRUNCATE;
ConstantSDNode *RHSConstSplat; ConstantSDNode *RHSConstSplat = nullptr;
if (auto *RHSBV = dyn_cast<BuildVectorSDNode>(N1)) if (auto *RHSBV = dyn_cast<BuildVectorSDNode>(N1))
RHSConstSplat = RHSBV->getConstantSplatNode(); RHSConstSplat = RHSBV->getConstantSplatNode();
if (!RHSTrunc && !RHSConstSplat) if (!RHSTrunc && !RHSConstSplat)