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Add a comment on SetGlobalValueAttributes. 

llvm-svn: 69029
This commit is contained in:
Daniel Dunbar 2009-04-14 06:19:49 +00:00
parent 3e031f4121
commit 29eff88fc8
1 changed files with 7 additions and 2 deletions
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9
clang/lib/CodeGen/CodeGenModule.cpp
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@ -221,6 +221,11 @@ void CodeGenModule::EmitAnnotations() {
gv->setSection("llvm.metadata");
}
/// SetGlobalValueAttributes - Set attributes for a global.
///
/// FIXME: This is currently only done for aliases and functions, but
/// not for variables (these details are set in
/// EmitGlobalVarDefinition for variables).
void CodeGenModule::SetGlobalValueAttributes(const Decl *D,
GVALinkage Linkage,
llvm::GlobalValue *GV,
@ -265,8 +270,8 @@ void CodeGenModule::SetGlobalValueAttributes(const Decl *D,
setGlobalVisibility(GV, D);
// Only add to llvm.used when we see a definition, otherwise we
// might add multiple times or risk the value being replaced by a
// subsequent RAUW.
// might add it multiple times or risk the value being replaced by
// a subsequent RAUW.
if (D->hasAttr<UsedAttr>())
AddUsedGlobal(GV);
}