r328068 - Set dso_local on runtime variables.

[Rafael Espindola via cfe-commits]

Author: rafael
Date: Tue Mar 20 18:30:16 2018
New Revision: 328068

URL: http://llvm.org/viewvc/llvm-project?rev=328068&view=rev
Log:
Set dso_local on runtime variables.

Modified:
    cfe/trunk/lib/CodeGen/CodeGenModule.cpp
    cfe/trunk/test/CodeGenCXX/ubsan-vtable-checks.cpp

Modified: cfe/trunk/lib/CodeGen/CodeGenModule.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CodeGenModule.cpp?rev=328068&r1=328067&r2=328068&view=diff
==============================================================================
--- cfe/trunk/lib/CodeGen/CodeGenModule.cpp (original)
+++ cfe/trunk/lib/CodeGen/CodeGenModule.cpp Tue Mar 20 18:30:16 2018
@@ -2953,7 +2953,10 @@ llvm::Constant *CodeGenModule::GetAddrOf
 llvm::Constant *
 CodeGenModule::CreateRuntimeVariable(llvm::Type *Ty,
                                      StringRef Name) {
-  return GetOrCreateLLVMGlobal(Name, llvm::PointerType::getUnqual(Ty), nullptr);
+  auto *Ret =
+      GetOrCreateLLVMGlobal(Name, llvm::PointerType::getUnqual(Ty), nullptr);
+  setDSOLocal(cast<llvm::GlobalValue>(Ret->stripPointerCasts()));
+  return Ret;
 }
 
 void CodeGenModule::EmitTentativeDefinition(const VarDecl *D) {

Modified: cfe/trunk/test/CodeGenCXX/ubsan-vtable-checks.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGenCXX/ubsan-vtable-checks.cpp?rev=328068&r1=328067&r2=328068&view=diff
==============================================================================
--- cfe/trunk/test/CodeGenCXX/ubsan-vtable-checks.cpp (original)
+++ cfe/trunk/test/CodeGenCXX/ubsan-vtable-checks.cpp Tue Mar 20 18:30:16 2018
@@ -1,7 +1,7 @@
 // RUN: %clang_cc1 -std=c++11 -triple x86_64-unknown-linux -emit-llvm -fsanitize=null %s -o - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-NULL --check-prefix=ITANIUM
 // RUN: %clang_cc1 -std=c++11 -triple x86_64-windows -emit-llvm -fsanitize=null %s -o - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-NULL --check-prefix=MSABI
 // RUN: %clang_cc1 -std=c++11 -triple x86_64-unknown-linux -emit-llvm -fsanitize=null,vptr %s -o - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-VPTR --check-prefix=ITANIUM
-// RUN: %clang_cc1 -std=c++11 -triple x86_64-windows -emit-llvm -fsanitize=null,vptr %s -o - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-VPTR --check-prefix=MSABI
+// RUN: %clang_cc1 -std=c++11 -triple x86_64-windows -emit-llvm -fsanitize=null,vptr %s -o - | FileCheck %s --check-prefix=CHECK --check-prefix=CHECK-VPTR --check-prefix=MSABI  --check-prefix=CHECK-VPTR-MS
 struct T {
   virtual ~T() {}
   virtual int v() { return 1; }
@@ -14,6 +14,8 @@ struct U : T {
 
 U::~U() {}
 
+// CHECK-VPTR-MS: @__ubsan_vptr_type_cache = external dso_local
+
 // ITANIUM: define i32 @_Z5get_vP1T
 // MSABI: define dso_local i32 @"?get_v
 int get_v(T* t) {