wangtao
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Fix another case where constexprs could cause a crash 

llvm-svn: 5972
This commit is contained in:
Chris Lattner 2003-04-30 22:34:06 +00:00
parent 9244df60d3
commit dd65d863a9
1 changed files with 2 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
llvm/lib/Transforms/Scalar/InstructionCombining.cpp
View File

@ -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;
}