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| author | Pekka Jaaskelainen <pekka.jaaskelainen@tut.fi> | 2013-03-07 16:46:43 +0000 |
|---|---|---|
| committer | Pekka Jaaskelainen <pekka.jaaskelainen@tut.fi> | 2013-03-07 16:46:43 +0000 |
| commit | 784ae47413e1adf3b64ed5546f88b39ab52a9281 (patch) | |
| tree | 295a5445b258e0c7e1b3767366dca308a0c34a89 /lib/Transforms/Utils/CloneFunction.cpp | |
| parent | cc22640c4c8f0bc5d1e37b4ddcdf9e7c873e4383 (diff) | |
Fixed a crash when cloning a function into a function with
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
Diffstat (limited to 'lib/Transforms/Utils/CloneFunction.cpp')
| -rw-r--r-- | lib/Transforms/Utils/CloneFunction.cpp | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/lib/Transforms/Utils/CloneFunction.cpp b/lib/Transforms/Utils/CloneFunction.cpp index a309bce544..63d7a1d52a 100644 --- a/lib/Transforms/Utils/CloneFunction.cpp +++ b/lib/Transforms/Utils/CloneFunction.cpp @@ -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, |