Emit guard variables for any weak global that has a run-time
initializer. Previously, we only used guard variables for weak static
data members. Fixes <rdar://problem/9692249>.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134266 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGenCXX/global-init.cpp b/test/CodeGenCXX/global-init.cpp
index 9bd7390..fd8734c 100644
--- a/test/CodeGenCXX/global-init.cpp
+++ b/test/CodeGenCXX/global-init.cpp
@@ -70,6 +70,20 @@
const char *test() { return var; }
}
+namespace test6 {
+ struct A {
+ A();
+ };
+ extern int foo();
+
+ // This needs an initialization function and guard variables.
+ // CHECK: load i8* bitcast (i64* @_ZGVN5test61xE
+ // CHECK: [[CALL:%.*]] = call i32 @_ZN5test63fooEv
+ // CHECK-NEXT: store i32 [[CALL]], i32* @_ZN5test61xE
+ // CHECK-NEXT: store i64 1, i64* @_ZGVN5test61xE
+ __attribute__((weak)) int x = foo();
+}
+
namespace PR5974 {
struct A { int a; };
struct B { int b; };
@@ -97,15 +111,6 @@
};
}
-namespace test6 {
- struct A {
- A();
- };
- extern int foo();
-
- // This needs an initialization function but not guard variables.
- __attribute__((weak)) int x = foo();
-}
// At the end of the file, we check that y is initialized before z.