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Fix another case where constexprs could cause a crash

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5972 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2003-04-30 22:34:06 +00:00
parent fe32e0c578
commit 3f2ec3925f
1 changed files with 2 additions and 5 deletions
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7
lib/Transforms/Scalar/InstructionCombining.cpp
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@ -197,11 +197,8 @@ static inline Value *dyn_castNotVal(Value *V) {
return BinaryOperator::getNotArgument(cast<BinaryOperator>(V));
// Constants can be considered to be not'ed values...
if (ConstantIntegral *C = dyn_cast<ConstantIntegral>(V)) {
Constant *NC = *ConstantIntegral::getAllOnesValue(C->getType()) ^ *C;
assert(NC && "Couldn't constant fold an exclusive or!");
return NC;
}
if (ConstantIntegral *C = dyn_cast<ConstantIntegral>(V))
return *ConstantIntegral::getAllOnesValue(C->getType()) ^ *C;
return 0;
}