r180004 - Don't emit _ZTW wrappers for TLS variables which don't use the C++ thread_local keyword.

[Richard Smith]

Author: rsmith
Date: Mon Apr 22 03:06:17 2013
New Revision: 180004

URL: http://llvm.org/viewvc/llvm-project?rev=180004&view=rev
Log:
Don't emit _ZTW wrappers for TLS variables which don't use the C++ thread_local keyword.

Modified:
    cfe/trunk/lib/CodeGen/CodeGenModule.cpp
    cfe/trunk/test/CodeGen/thread-specifier.c

Modified: cfe/trunk/lib/CodeGen/CodeGenModule.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CodeGenModule.cpp?rev=180004&r1=180003&r2=180004&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/CodeGenModule.cpp (original)
+++ cfe/trunk/lib/CodeGen/CodeGenModule.cpp Mon Apr 22 03:06:17 2013
@@ -1479,7 +1479,8 @@ CodeGenModule::GetOrCreateLLVMGlobal(Str
     }
 
     if (D->getTLSKind()) {
-      CXXThreadLocals.push_back(std::make_pair(D, GV));
+      if (D->getTLSKind() == VarDecl::TLS_Dynamic)
+        CXXThreadLocals.push_back(std::make_pair(D, GV));
       setTLSMode(GV, *D);
     }
   }

Modified: cfe/trunk/test/CodeGen/thread-specifier.c
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGen/thread-specifier.c?rev=180004&r1=180003&r2=180004&view=diff
==============================================================================
--- cfe/trunk/test/CodeGen/thread-specifier.c (original)
+++ cfe/trunk/test/CodeGen/thread-specifier.c Mon Apr 22 03:06:17 2013
@@ -10,6 +10,9 @@
 // CHECK: @i = thread_local(initialexec) global
 // CHECK: @j = thread_local(localexec) global
 
+// CHECK-NOT: @_ZTW
+// CHECK-NOT: @_ZTH
+
 __thread int a;
 extern __thread int b;
 int c() { return *&b; }