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Avoid calling alias on non-pointer values. 

llvm-svn: 118822
This commit is contained in:
Dan Gohman 2010-11-11 19:23:51 +00:00
parent 07f06c4e96
commit 7dacf8f3f3
1 changed files with 4 additions and 3 deletions
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7
llvm/lib/Analysis/Lint.cpp
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@ -231,10 +231,11 @@ void Lint::visitCallSite(CallSite CS) {
// to do. Known partial overlap is not distinguished from the case
// where nothing is known.
if (Formal->hasNoAliasAttr() && Actual->getType()->isPointerTy())
for (CallSite::arg_iterator BI = CS.arg_begin(); BI != AE; ++BI) {
Assert1(AI == BI || AA->alias(*AI, *BI) != AliasAnalysis::MustAlias,
for (CallSite::arg_iterator BI = CS.arg_begin(); BI != AE; ++BI)
Assert1(AI == BI ||
!(*BI)->getType()->isPointerTy() ||
AA->alias(*AI, *BI) != AliasAnalysis::MustAlias,
"Unusual: noalias argument aliases another argument", &I);
}
// Check that an sret argument points to valid memory.
if (Formal->hasStructRetAttr() && Actual->getType()->isPointerTy()) {