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Fixed a crash when cloning a function into a function with

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different size argument list and without attributes in the
arguments.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@176632 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Pekka Jaaskelainen 2013-03-07 16:46:43 +00:00
parent cc22640c4c
commit 784ae47413
1 changed files with 6 additions and 3 deletions
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9
lib/Transforms/Utils/CloneFunction.cpp
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@ -94,9 +94,12 @@ void llvm::CloneFunctionInto(Function *NewFunc, const Function *OldFunc,
//Some arguments were deleted with the VMap. Copy arguments one by one
for (Function::const_arg_iterator I = OldFunc->arg_begin(),
E = OldFunc->arg_end(); I != E; ++I)
if (Argument* Anew = dyn_cast<Argument>(VMap[I]))
Anew->addAttr(OldFunc->getAttributes()
.getParamAttributes(I->getArgNo() + 1));
if (Argument* Anew = dyn_cast<Argument>(VMap[I])) {
AttributeSet attrs = OldFunc->getAttributes()
.getParamAttributes(I->getArgNo() + 1);
if (attrs.getNumSlots() > 0)
Anew->addAttr(attrs);
}
NewFunc->setAttributes(NewFunc->getAttributes()
.addAttributes(NewFunc->getContext(),
AttributeSet::ReturnIndex,