| 1 | // RUN: %clang_cc1 -triple x86_64-apple-darwin -emit-llvm -o - %s | FileCheck --check-prefix=CHECK --check-prefix=WITHOUTATEXIT %s |
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| 2 | // 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 |
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| 3 | // 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 |
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| 4 | |
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| 5 | // WITHOUTATEXIT: global_ctors{{.*}}@A{{.*}}@C |
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| 6 | // WITHOUTATEXIT: @llvm.global_dtors = appending global [5 x { i32, void ()*, i8* }]{{.*}}@B{{.*}}@E{{.*}}@F{{.*}}@G{{.*}}@D |
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| 7 | // 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, |
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| 8 | // WITHATEXIT-NOT: global_dtors |
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| 9 | |
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| 10 | // CHECK: define void @A() |
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| 11 | // CHECK: define void @B() |
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| 12 | // CHECK: define internal void @E() |
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| 13 | // CHECK: define internal void @F() |
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| 14 | // CHECK: define internal void @G() |
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| 15 | // CHECK: define i32 @__GLOBAL_init_789(i32 %{{.*}}) |
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| 16 | // CHECK: define internal void @C() |
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| 17 | // CHECK: define internal void @D() |
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| 18 | // CHECK: define i32 @main() |
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| 19 | // CHECK: define internal i32 @foo() |
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| 20 | // WITHOUTATEXIT-NOT: define |
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| 21 | |
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| 22 | // WITHATEXIT: define internal void @__GLOBAL_init_123(){{.*}}section "__TEXT,__StaticInit,regular,pure_instructions" |
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| 23 | // CXAATEXIT: call i32 @__cxa_atexit(void (i8*)* bitcast (void ()* @E to void (i8*)*), i8* null, i8* @__dso_handle) |
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| 24 | // CXAATEXIT: call i32 @__cxa_atexit(void (i8*)* bitcast (void ()* @G to void (i8*)*), i8* null, i8* @__dso_handle) |
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| 25 | // ATEXIT: call i32 @atexit(void ()* @E) |
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| 26 | // ATEXIT: call i32 @atexit(void ()* @G) |
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| 27 | |
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| 28 | // WITHATEXIT: define internal void @[[GLOBAL_INIT_789]](){{.*}}section "__TEXT,__StaticInit,regular,pure_instructions" |
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| 29 | // CXAATEXIT: call i32 @__cxa_atexit(void (i8*)* bitcast (void ()* @F to void (i8*)*), i8* null, i8* @__dso_handle) |
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| 30 | // ATEXIT: call i32 @atexit(void ()* @F) |
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| 31 | |
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| 32 | // WITHATEXIT: define internal void @__GLOBAL_init_65535(){{.*}}section "__TEXT,__StaticInit,regular,pure_instructions" |
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| 33 | // CXAATEXIT: call i32 @__cxa_atexit(void (i8*)* bitcast (void ()* @B to void (i8*)*), i8* null, i8* @__dso_handle) |
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| 34 | // CXAATEXIT: call i32 @__cxa_atexit(void (i8*)* bitcast (void ()* @D to void (i8*)*), i8* null, i8* @__dso_handle) |
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| 35 | // ATEXIT: call i32 @atexit(void ()* @B) |
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| 36 | // ATEXIT: call i32 @atexit(void ()* @D) |
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| 37 | |
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| 38 | int printf(const char *, ...); |
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| 39 | |
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| 40 | void A() __attribute__((constructor)); |
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| 41 | void B() __attribute__((destructor)); |
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| 42 | |
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| 43 | void A() { |
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| 44 | printf("A\n"); |
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| 45 | } |
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| 46 | |
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| 47 | void B() { |
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| 48 | printf("B\n"); |
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| 49 | } |
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| 50 | |
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| 51 | static void C() __attribute__((constructor)); |
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| 52 | |
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| 53 | static void D() __attribute__((destructor)); |
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| 54 | |
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| 55 | static __attribute__((destructor(123))) void E() { |
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| 56 | } |
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| 57 | |
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| 58 | static __attribute__((destructor(789))) void F() { |
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| 59 | } |
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| 60 | |
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| 61 | static __attribute__((destructor(123))) void G() { |
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| 62 | } |
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| 63 | |
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| 64 | // Test that this function doesn't collide with the synthesized constructor |
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| 65 | // function for destructors with priority 789. |
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| 66 | int __GLOBAL_init_789(int a) { |
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| 67 | return a * a; |
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| 68 | } |
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| 69 | |
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| 70 | static int foo() { |
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| 71 | return 10; |
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| 72 | } |
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| 73 | |
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| 74 | static void C() { |
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| 75 | printf("A: %d\n", foo()); |
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| 76 | } |
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| 77 | |
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| 78 | static void D() { |
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| 79 | printf("B\n"); |
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| 80 | } |
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| 81 | |
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| 82 | int main() { |
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| 83 | return 0; |
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| 84 | } |
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| 85 | |
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