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| author | Duncan Sands <baldrick@free.fr> | 2008-12-31 18:08:59 +0000 |
|---|---|---|
| committer | Duncan Sands <baldrick@free.fr> | 2008-12-31 18:08:59 +0000 |
| commit | df128eb477955e2768dc5a5abcf67ee974d45173 (patch) | |
| tree | 9b113f67ad901cf7f59e0e344969d068a27d5bd0 /llvm/lib/Transforms | |
| parent | 5347fb20ad76328feaa13603f0e94867f2bb2f4f (diff) | |
| download | bcm5719-llvm-df128eb477955e2768dc5a5abcf67ee974d45173.tar.gz bcm5719-llvm-df128eb477955e2768dc5a5abcf67ee974d45173.zip | |
Don't analyze arguments already marked 'nocapture'.
llvm-svn: 61532
Diffstat (limited to 'llvm/lib/Transforms')
| -rw-r--r-- | llvm/lib/Transforms/IPO/FunctionAttrs.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/IPO/FunctionAttrs.cpp b/llvm/lib/Transforms/IPO/FunctionAttrs.cpp index 9ed605cf9f3..1824a710c51 100644 --- a/llvm/lib/Transforms/IPO/FunctionAttrs.cpp +++ b/llvm/lib/Transforms/IPO/FunctionAttrs.cpp @@ -263,7 +263,8 @@ bool FunctionAttrs::AddNoCaptureAttrs(const std::vector<CallGraphNode *> &SCC) { continue; for (Function::arg_iterator A = F->arg_begin(), E = F->arg_end(); A!=E; ++A) - if (isa<PointerType>(A->getType()) && !isCaptured(*F, A)) { + if (isa<PointerType>(A->getType()) && !A->hasNoCaptureAttr() && + !isCaptured(*F, A)) { A->addAttr(Attribute::NoCapture); NumNoCapture++; Changed = true; |
