1 files changed, 51 insertions, 5 deletions
diff --git a/test/CodeGen/constructor-attribute.c b/test/CodeGen/constructor-attribute.c
index a1f0e604d401e..562e57b8b1225 100644
--- a/test/CodeGen/constructor-attribute.c
+++ b/test/CodeGen/constructor-attribute.c
@@ -1,8 +1,39 @@
-// RUN: %clang_cc1 -emit-llvm -o %t %s
-// RUN: grep -e "global_ctors.*@A" %t
-// RUN: grep -e "global_dtors.*@B" %t
-// RUN: grep -e "global_ctors.*@C" %t
-// RUN: grep -e "global_dtors.*@D" %t
+// RUN: %clang_cc1 -triple x86_64-apple-darwin -emit-llvm -o - %s | FileCheck --check-prefix=CHECK --check-prefix=WITHOUTATEXIT %s
+// RUN: %clang_cc1 -triple x86_64-apple-darwin -fregister-global-dtors-with-atexit -emit-llvm -o - %s | FileCheck --check-prefix=CHECK --check-prefix=CXAATEXIT --check-prefix=WITHATEXIT %s
+// RUN: %clang_cc1 -triple x86_64-apple-darwin -fno-use-cxa-atexit -fregister-global-dtors-with-atexit -emit-llvm -o - %s | FileCheck --check-prefix=CHECK --check-prefix=ATEXIT --check-prefix=WITHATEXIT %s
+
+// WITHOUTATEXIT: global_ctors{{.*}}@A{{.*}}@C
+// WITHOUTATEXIT: @llvm.global_dtors = appending global [5 x { i32, void ()*, i8* }]{{.*}}@B{{.*}}@E{{.*}}@F{{.*}}@G{{.*}}@D
+// WITHATEXIT: @llvm.global_ctors = appending global [5 x { i32, void ()*, i8* }]{{.*}}i32 65535, void ()* @A,{{.*}}i32 65535, void ()* @C,{{.*}}i32 123, void ()* @__GLOBAL_init_123,{{.*}}i32 789, void ()* @[[GLOBAL_INIT_789:__GLOBAL_init_789.[0-9]+]],{{.*}}i32 65535, void ()* @__GLOBAL_init_65535,
+// WITHATEXIT-NOT: global_dtors
+
+// CHECK: define void @A()
+// CHECK: define void @B()
+// CHECK: define internal void @E()
+// CHECK: define internal void @F()
+// CHECK: define internal void @G()
+// CHECK: define i32 @__GLOBAL_init_789(i32 %{{.*}})
+// CHECK: define internal void @C()
+// CHECK: define internal void @D()
+// CHECK: define i32 @main()
+// CHECK: define internal i32 @foo()
+// WITHOUTATEXIT-NOT: define
+
+// WITHATEXIT: define internal void @__GLOBAL_init_123(){{.*}}section "__TEXT,__StaticInit,regular,pure_instructions"
+// CXAATEXIT: call i32 @__cxa_atexit(void (i8*)* bitcast (void ()* @E to void (i8*)*), i8* null, i8* @__dso_handle)
+// CXAATEXIT: call i32 @__cxa_atexit(void (i8*)* bitcast (void ()* @G to void (i8*)*), i8* null, i8* @__dso_handle)
+// ATEXIT: call i32 @atexit(void ()* @E)
+// ATEXIT: call i32 @atexit(void ()* @G)
+
+// WITHATEXIT: define internal void @[[GLOBAL_INIT_789]](){{.*}}section "__TEXT,__StaticInit,regular,pure_instructions"
+// CXAATEXIT: call i32 @__cxa_atexit(void (i8*)* bitcast (void ()* @F to void (i8*)*), i8* null, i8* @__dso_handle)
+// ATEXIT: call i32 @atexit(void ()* @F)
+
+// WITHATEXIT: define internal void @__GLOBAL_init_65535(){{.*}}section "__TEXT,__StaticInit,regular,pure_instructions"
+// CXAATEXIT: call i32 @__cxa_atexit(void (i8*)* bitcast (void ()* @B to void (i8*)*), i8* null, i8* @__dso_handle)
+// CXAATEXIT: call i32 @__cxa_atexit(void (i8*)* bitcast (void ()* @D to void (i8*)*), i8* null, i8* @__dso_handle)
+// ATEXIT: call i32 @atexit(void ()* @B)
+// ATEXIT: call i32 @atexit(void ()* @D)
 
 int printf(const char *, ...);
 
@@ -21,6 +52,21 @@ static void C() __attribute__((constructor));
 
 static void D() __attribute__((destructor));
 
+static __attribute__((destructor(123))) void E() {
+}
+
+static __attribute__((destructor(789))) void F() {
+}
+
+static __attribute__((destructor(123))) void G() {
+}
+
+// Test that this function doesn't collide with the synthesized constructor
+// function for destructors with priority 789.
+int __GLOBAL_init_789(int a) {
+  return a * a;
+}
+
 static int foo() {
   return 10;
 }