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path: root/lib/Transforms/IPO/FunctionAttrs.cpp
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-rw-r--r--lib/Transforms/IPO/FunctionAttrs.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/Transforms/IPO/FunctionAttrs.cpp b/lib/Transforms/IPO/FunctionAttrs.cpp
index 9ed605cf9f..1824a710c5 100644
--- a/lib/Transforms/IPO/FunctionAttrs.cpp
+++ b/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;