| // 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 *, ...); |
| |
| void A() __attribute__((constructor)); |
| void B() __attribute__((destructor)); |
| |
| void A() { |
| printf("A\n"); |
| } |
| |
| void B() { |
| printf("B\n"); |
| } |
| |
| 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; |
| } |
| |
| static void C() { |
| printf("A: %d\n", foo()); |
| } |
| |
| static void D() { |
| printf("B\n"); |
| } |
| |
| int main() { |
| return 0; |
| } |