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Implement -fvisibility.

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llvm-svn: 68369
This commit is contained in:
Fariborz Jahanian
2009-04-03 03:28:57 +00:00
parent 9c186c5d27
commit befc9dfbff
5 changed files with 61 additions and 2 deletions
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25
clang/lib/CodeGen/CodeGenModule.cpp
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@@ -113,6 +113,25 @@ static void setGlobalVisibility(llvm::GlobalValue *GV,
}
}
static void setGlobalOptionVisibility(llvm::GlobalValue *GV,
LangOptions::VisibilityMode Vis) {
switch (Vis) {
default: assert(0 && "Unknown visibility!");
case LangOptions::NonVisibility:
break;
case LangOptions::DefaultVisibility:
GV->setVisibility(llvm::GlobalValue::DefaultVisibility);
break;
case LangOptions::HiddenVisibility:
GV->setVisibility(llvm::GlobalValue::HiddenVisibility);
break;
case LangOptions::ProtectedVisibility:
GV->setVisibility(llvm::GlobalValue::ProtectedVisibility);
break;
}
}
/// \brief Retrieves the mangled name for the given declaration.
///
/// If the given declaration requires a mangled name, returns an
@@ -247,7 +266,8 @@ void CodeGenModule::SetGlobalValueAttributes(const Decl *D,
// -fvisibility, and private_extern.
if (const VisibilityAttr *attr = D->getAttr<VisibilityAttr>())
setGlobalVisibility(GV, attr->getVisibility());
// FIXME: else handle -fvisibility
else
setGlobalOptionVisibility(GV, getLangOptions().getVisibilityMode());
if (const SectionAttr *SA = D->getAttr<SectionAttr>())
GV->setSection(SA->getName());
@@ -751,7 +771,8 @@ void CodeGenModule::EmitGlobalVarDefinition(const VarDecl *D) {
if (const VisibilityAttr *attr = D->getAttr<VisibilityAttr>())
setGlobalVisibility(GV, attr->getVisibility());
// FIXME: else handle -fvisibility
else
setGlobalOptionVisibility(GV, getLangOptions().getVisibilityMode());
// Set the llvm linkage type as appropriate.
if (D->getStorageClass() == VarDecl::Static)