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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@124406 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nick Lewycky 2011-01-27 19:51:31 +00:00
parent dfc5972974
commit c9d69489eb
1 changed files with 2 additions and 0 deletions
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2
lib/Transforms/IPO/MergeFunctions.cpp
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@ -468,6 +468,8 @@ bool FunctionComparator::Enumerate(const Value *V1, const Value *V2) {
if (C1->isNullValue() && C2->isNullValue() &&
isEquivalentType(C1->getType(), C2->getType()))
return true;
// Try bitcasting C2 to C1's type. If the bitcast is legal and returns C1
// then they must have equal bit patterns.
return C1->getType()->canLosslesslyBitCastTo(C2->getType()) &&
C1 == ConstantExpr::getBitCast(const_cast<Constant*>(C2), C1->getType());
}