From 76547349c148926d69be105d4cb30b16cc3d704e Mon Sep 17 00:00:00 2001 From: Anton Korobeynikov Date: Tue, 10 Jul 2007 19:07:35 +0000 Subject: During module cloning copy aliases too. This fixes PR1544 llvm-svn: 38505 --- llvm/lib/Transforms/Utils/CloneModule.cpp | 15 +++++++++++++++ 1 file changed, 15 insertions(+) (limited to 'llvm/lib/Transforms/Utils/CloneModule.cpp') diff --git a/llvm/lib/Transforms/Utils/CloneModule.cpp b/llvm/lib/Transforms/Utils/CloneModule.cpp index dbe40a36465..d64d58f3839 100644 --- a/llvm/lib/Transforms/Utils/CloneModule.cpp +++ b/llvm/lib/Transforms/Utils/CloneModule.cpp @@ -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(ValueMap[I]); + GA->setLinkage(I->getLinkage()); + if (const Constant* C = I->getAliasee()) + GA->setAliasee(cast(MapValue(C, ValueMap))); + } + return New; } -- cgit v1.2.3