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[DAG] Prevent crashes when merging constant stores with high-bit set. NFC.

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llvm-svn: 303802
This commit is contained in:
Nirav Dave 2017-05-24 19:56:39 +00:00
parent 7dc90034fc
commit e5871eda8b
1 changed files with 2 additions and 2 deletions
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4
lib/CodeGen/SelectionDAG/DAGCombiner.cpp
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@ -12349,9 +12349,9 @@ bool DAGCombiner::MergeStoresOfConstantsOrVecElts(
SDValue Val = St->getValue();
StoreInt <<= ElementSizeBytes * 8;
if (ConstantSDNode *C = dyn_cast<ConstantSDNode>(Val)) {
StoreInt |= C->getAPIntValue().zext(SizeInBits);
StoreInt |= C->getAPIntValue().zextOrTrunc(SizeInBits);
} else if (ConstantFPSDNode *C = dyn_cast<ConstantFPSDNode>(Val)) {
StoreInt |= C->getValueAPF().bitcastToAPInt().zext(SizeInBits);
StoreInt |= C->getValueAPF().bitcastToAPInt().zextOrTrunc(SizeInBits);
} else {
llvm_unreachable("Invalid constant element type");
}