http://llvm.org/bugs/show_bug.cgi?id=14996
Bug #: 14996
Summary: ConstantFoldInsertValueInstruction crashes when
folding vectors
Product: libraries
Version: trunk
Platform: PC
OS/Version: Linux
Status: NEW
Severity: enhancement
Priority: P
Component: Core LLVM classes
AssignedTo: [email protected]
ReportedBy: [email protected]
CC: [email protected]
Classification: Unclassified
llvm::ConstantFoldInsertValueInstruction contains the following code:
if (StructType *ST = dyn_cast<StructType>(Agg->getType()))
NumElts = ST->getNumElements();
else if (ArrayType *AT = dyn_cast<ArrayType>(Agg->getType()))
NumElts = AT->getNumElements();
else
NumElts = AT->getVectorNumElements();
Unfortunately if Agg is a VectorType, then the last code path gets executed,
except AT is NULL...
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