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Remap metadata attached to instructions when remapping individual

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instructions, not when remapping modules.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112091 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman
2010-08-25 21:36:50 +00:00
parent 3e60a232c1
commit ce934260dc
5 changed files with 55 additions and 17 deletions
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15
lib/Transforms/Utils/CloneModule.cpp
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@ -132,20 +132,5 @@ Module *llvm::CloneModule(const Module *M,
NewNMD->addOperand(cast<MDNode>(MapValue(NMD.getOperand(i), VMap)));
}
// 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, VMap);
if (MDI->second != MappedValue && MappedValue)
BI->setMetadata(MDI->first, cast<MDNode>(MappedValue));
}
}
return New;
}