[llvm-commits] [llvm] r106591 - /llvm/trunk/lib/Transforms/Utils/CloneModule.cpp
Devang Patel
dpatel at apple.com
Tue Jun 22 15:50:42 PDT 2010
Author: dpatel
Date: Tue Jun 22 17:50:42 2010
New Revision: 106591
URL: http://llvm.org/viewvc/llvm-project?rev=106591&view=rev
Log:
While cloning a module, clone metadata attached with instructions.
Modified:
llvm/trunk/lib/Transforms/Utils/CloneModule.cpp
Modified: llvm/trunk/lib/Transforms/Utils/CloneModule.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Utils/CloneModule.cpp?rev=106591&r1=106590&r2=106591&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/Utils/CloneModule.cpp (original)
+++ llvm/trunk/lib/Transforms/Utils/CloneModule.cpp Tue Jun 22 17:50:42 2010
@@ -133,6 +133,21 @@
NamedMDNode::Create(New->getContext(), NMD.getName(),
MDs.data(), MDs.size(), New);
}
-
+
+ // Update metadata attach with instructions.
+ for (Module::iterator MI = New->begin(), ME = New->end(); MI != ME; ++MI)
+ for (Function::iterator FI = MI->begin(), FE = MI->end();
+ FI != FE; ++FI)
+ for (BasicBlock::iterator BI = FI->begin(), BE = FI->end();
+ BI != BE; ++BI) {
+ SmallVector<std::pair<unsigned, MDNode *>, 4 > MDs;
+ BI->getAllMetadata(MDs);
+ for (SmallVector<std::pair<unsigned, MDNode *>, 4>::iterator
+ MDI = MDs.begin(), MDE = MDs.end(); MDI != MDE; ++MDI) {
+ Value *MappedValue = MapValue(MDI->second, ValueMap);
+ if (MDI->second != MappedValue && MappedValue)
+ BI->setMetadata(MDI->first, cast<MDNode>(MappedValue));
+ }
+ }
return New;
}
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