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During module cloning copy aliases too. This fixes PR1544 

llvm-svn: 38505
This commit is contained in:
Anton Korobeynikov 2007-07-10 19:07:35 +00:00
parent 1fa6132e85
commit 76547349c1
1 changed files with 15 additions and 0 deletions
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15
llvm/lib/Transforms/Utils/CloneModule.cpp
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@ -69,6 +69,12 @@ Module *llvm::CloneModule(const Module *M,
ValueMap[I]= NF;
}
// Loop over the aliases in the module
for (Module::const_alias_iterator I = M->alias_begin(), E = M->alias_end();
I != E; ++I)
ValueMap[I] = new GlobalAlias(I->getType(), GlobalAlias::ExternalLinkage,
I->getName(), NULL, New);
// Now that all of the things that global variable initializer can refer to
// have been created, loop through and copy the global variable referrers
// over... We also set the attributes on the global now.
@ -103,6 +109,15 @@ Module *llvm::CloneModule(const Module *M,
F->setLinkage(I->getLinkage());
}
// And aliases
for (Module::const_alias_iterator I = M->alias_begin(), E = M->alias_end();
I != E; ++I) {
GlobalAlias *GA = cast<GlobalAlias>(ValueMap[I]);
GA->setLinkage(I->getLinkage());
if (const Constant* C = I->getAliasee())
GA->setAliasee(cast<Constant>(MapValue(C, ValueMap)));
}
return New;
}