r326961 - Set dso_local on tls init functions.

[Rafael Espindola via cfe-commits]

Author: rafael
Date: Wed Mar  7 15:18:06 2018
New Revision: 326961

URL: http://llvm.org/viewvc/llvm-project?rev=326961&view=rev
Log:
Set dso_local on tls init functions.

We copy the visibility, so copying the dso_local flag seems the
natural thing to do.

Modified:
    cfe/trunk/lib/CodeGen/ItaniumCXXABI.cpp
    cfe/trunk/test/CodeGenCXX/runtime-dllstorage.cpp

Modified: cfe/trunk/lib/CodeGen/ItaniumCXXABI.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/ItaniumCXXABI.cpp?rev=326961&r1=326960&r2=326961&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/ItaniumCXXABI.cpp (original)
+++ cfe/trunk/lib/CodeGen/ItaniumCXXABI.cpp Wed Mar  7 15:18:06 2018
@@ -2398,8 +2398,10 @@ void ItaniumCXXABI::EmitThreadLocalInitF
       CGM.SetLLVMFunctionAttributes(nullptr, FI, cast<llvm::Function>(Init));
     }
 
-    if (Init)
+    if (Init) {
       Init->setVisibility(Var->getVisibility());
+      Init->setDSOLocal(Var->isDSOLocal());
+    }
 
     llvm::LLVMContext &Context = CGM.getModule().getContext();
     llvm::BasicBlock *Entry = llvm::BasicBlock::Create(Context, "", Wrapper);

Modified: cfe/trunk/test/CodeGenCXX/runtime-dllstorage.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGenCXX/runtime-dllstorage.cpp?rev=326961&r1=326960&r2=326961&view=diff
==============================================================================
--- cfe/trunk/test/CodeGenCXX/runtime-dllstorage.cpp (original)
+++ cfe/trunk/test/CodeGenCXX/runtime-dllstorage.cpp Wed Mar  7 15:18:06 2018
@@ -114,6 +114,7 @@ void l() {
 // CHECK-MS-DAG: declare void @_Init_thread_header(i32*)
 // CHECK-MS-DAG: declare void @_Init_thread_footer(i32*)
 
+// CHECK-IA-DAG: @_ZTH1t = dso_local alias void (), void ()* @__tls_init
 // CHECK-IA-DAG: declare i32 @__gxx_personality_v0(...)
 // CHECK-IA-DAG: define linkonce_odr hidden void @__clang_call_terminate(i8*)