Revert r112091, "Remap metadata attached to instructions when remapping

individual ...", which depends on r111922, which I am reverting.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@112157 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Daniel Dunbar
2010-08-26 03:48:08 +00:00
parent 6dabd9dba0
commit fd406f1ee2
5 changed files with 17 additions and 55 deletions

View File

@ -132,5 +132,20 @@ 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;
}