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preserve sections of globals

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33756 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Andrew Lenharth 2007-02-01 17:12:54 +00:00
parent b82313fdc2
commit 5dfbaf1fe3
1 changed files with 10 additions and 1 deletions
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11
lib/Linker/LinkModules.cpp
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@ -478,7 +478,10 @@ static bool LinkGlobals(Module *Dest, Module *Src,
SGV->getName(), Dest);
// Propagate alignment info.
NewDGV->setAlignment(SGV->getAlignment());
// Propagate section info.
NewDGV->setSection(SGV->getSection());
// If the LLVM runtime renamed the global, but it is an externally visible
// symbol, DGV must be an existing global with internal linkage. Rename
// it.
@ -503,6 +506,9 @@ static bool LinkGlobals(Module *Dest, Module *Src,
// Propagate alignment info.
NewDGV->setAlignment(std::max(DGV->getAlignment(), SGV->getAlignment()));
// Propagate section info.
NewDGV->setSection(SGV->getSection());
// Make sure to remember this mapping...
ValueMap.insert(std::make_pair(SGV, NewDGV));
@ -512,6 +518,9 @@ static bool LinkGlobals(Module *Dest, Module *Src,
// Propagate alignment info.
DGV->setAlignment(std::max(DGV->getAlignment(), SGV->getAlignment()));
// Propagate section info.
DGV->setSection(SGV->getSection());
// Otherwise, perform the mapping as instructed by GetLinkageResult. If
// the types don't match, and if we are to link from the source, nuke DGV
// and create a new one of the appropriate type.