Handle aliases to tls variables in all architectures, not just x86.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159058 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/TargetMachine.cpp b/lib/Target/TargetMachine.cpp
index b9b2526..6cdab5a 100644
--- a/lib/Target/TargetMachine.cpp
+++ b/lib/Target/TargetMachine.cpp
@@ -11,7 +11,9 @@
//
//===----------------------------------------------------------------------===//
+#include "llvm/GlobalAlias.h"
#include "llvm/GlobalValue.h"
+#include "llvm/GlobalVariable.h"
#include "llvm/MC/MCAsmInfo.h"
#include "llvm/MC/MCCodeGenInfo.h"
#include "llvm/Target/TargetMachine.h"
@@ -76,11 +78,17 @@
}
TLSModel::Model TargetMachine::getTLSModel(const GlobalValue *GV) const {
- bool isLocal = GV->hasLocalLinkage();
- bool isDeclaration = GV->isDeclaration();
+ // If GV is an alias then use the aliasee for determining
+ // thread-localness.
+ if (const GlobalAlias *GA = dyn_cast<GlobalAlias>(GV))
+ GV = GA->resolveAliasedGlobal(false);
+ const GlobalVariable *Var = cast<GlobalVariable>(GV);
+
+ bool isLocal = Var->hasLocalLinkage();
+ bool isDeclaration = Var->isDeclaration();
// FIXME: what should we do for protected and internal visibility?
// For variables, is internal different from hidden?
- bool isHidden = GV->hasHiddenVisibility();
+ bool isHidden = Var->hasHiddenVisibility();
if (getRelocationModel() == Reloc::PIC_ &&
!Options.PositionIndependentExecutable) {