diff options
| author | Fariborz Jahanian <fjahanian@apple.com> | 2011-06-16 14:49:42 +0000 |
|---|---|---|
| committer | Fariborz Jahanian <fjahanian@apple.com> | 2011-06-16 14:49:42 +0000 |
| commit | a27070db0c9fb2048b818a1aba8f425c1436b1d3 (patch) | |
| tree | 3243082b5df3466b209512babaeba2733ab2e905 /clang/lib/CodeGen/CodeGenModule.cpp | |
| parent | 0df100e1aaf2401c0365d9d9e017270e9a2a26f6 (diff) | |
| download | bcm5719-llvm-a27070db0c9fb2048b818a1aba8f425c1436b1d3.tar.gz bcm5719-llvm-a27070db0c9fb2048b818a1aba8f425c1436b1d3.zip | |
Set the visibility to 'hidden' when previous
declaration of global var is __private_extern__.
// rdar://9609649
llvm-svn: 133157
Diffstat (limited to 'clang/lib/CodeGen/CodeGenModule.cpp')
| -rw-r--r-- | clang/lib/CodeGen/CodeGenModule.cpp | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/clang/lib/CodeGen/CodeGenModule.cpp b/clang/lib/CodeGen/CodeGenModule.cpp index 78c57b4e3f2..c15ef9b0890 100644 --- a/clang/lib/CodeGen/CodeGenModule.cpp +++ b/clang/lib/CodeGen/CodeGenModule.cpp @@ -206,8 +206,17 @@ void CodeGenModule::setGlobalVisibility(llvm::GlobalValue *GV, // Set visibility for definitions. NamedDecl::LinkageInfo LV = D->getLinkageAndVisibility(); - if (LV.visibilityExplicit() || !GV->hasAvailableExternallyLinkage()) - GV->setVisibility(GetLLVMVisibility(LV.visibility())); + if (LV.visibilityExplicit() || !GV->hasAvailableExternallyLinkage()) { + Visibility Vis = LV.visibility(); + if (Vis == DefaultVisibility) + if (const VarDecl *VD = dyn_cast<VarDecl>(D)) + if (const VarDecl *Old = VD->getPreviousDeclaration()) { + Visibility OldVis = Old->getLinkageAndVisibility().visibility(); + if (OldVis == HiddenVisibility) + Vis = HiddenVisibility; + } + GV->setVisibility(GetLLVMVisibility(Vis)); + } } /// Set the symbol visibility of type information (vtable and RTTI) |
