1 // RUN: %clang_cc1 -no-opaque-pointers -triple powerpc-ibm-aix-xcoff -emit-llvm \
2 // RUN: -fno-use-cxa-atexit < %s | \
3 // RUN: FileCheck --check-prefix=NO-REGISTER %s
4 // RUN: %clang_cc1 -no-opaque-pointers -triple powerpc64-ibm-aix-xcoff -emit-llvm \
5 // RUN: -fno-use-cxa-atexit < %s | \
6 // RUN: FileCheck --check-prefix=NO-REGISTER %s
7
8 // RUN: %clang_cc1 -no-opaque-pointers -triple powerpc-ibm-aix-xcoff -emit-llvm \
9 // RUN: -fno-use-cxa-atexit -fregister-global-dtors-with-atexit < %s | \
10 // RUN: FileCheck --check-prefix=REGISTER %s
11 // RUN: %clang_cc1 -no-opaque-pointers -triple powerpc64-ibm-aix-xcoff -emit-llvm \
12 // RUN: -fno-use-cxa-atexit -fregister-global-dtors-with-atexit < %s | \
13 // RUN: FileCheck --check-prefix=REGISTER %s
14
15 int bar(void) __attribute__((destructor(100)));
16 int bar2(void) __attribute__((destructor(65535)));
17 int bar3(int) __attribute__((destructor(65535)));
18
bar(void)19 int bar(void) {
20 return 1;
21 }
22
bar2(void)23 int bar2(void) {
24 return 2;
25 }
26
bar3(int a)27 int bar3(int a) {
28 return a;
29 }
30
31 // NO-REGISTER: @llvm.global_dtors = appending global [3 x { i32, void ()*, i8* }] [{ i32, void ()*, i8* } { i32 100, void ()* bitcast (i32 ()* @bar to void ()*), i8* null }, { i32, void ()*, i8* } { i32 65535, void ()* bitcast (i32 ()* @bar2 to void ()*), i8* null }, { i32, void ()*, i8* } { i32 65535, void ()* bitcast (i32 (i32)* @bar3 to void ()*), i8* null }]
32
33 // REGISTER: @llvm.global_ctors = appending global [2 x { i32, void ()*, i8* }] [{ i32, void ()*, i8* } { i32 100, void ()* @__GLOBAL_init_100, i8* null }, { i32, void ()*, i8* } { i32 65535, void ()* @__GLOBAL_init_65535, i8* null }]
34 // REGISTER: @llvm.global_dtors = appending global [2 x { i32, void ()*, i8* }] [{ i32, void ()*, i8* } { i32 100, void ()* @__GLOBAL_cleanup_100, i8* null }, { i32, void ()*, i8* } { i32 65535, void ()* @__GLOBAL_cleanup_65535, i8* null }]
35
36 // REGISTER: define internal void @__GLOBAL_init_100() [[ATTR:#[0-9]+]] {
37 // REGISTER: entry:
38 // REGISTER: %0 = call i32 @atexit(void ()* bitcast (i32 ()* @bar to void ()*))
39 // REGISTER: ret void
40 // REGISTER: }
41
42 // REGISTER: define internal void @__GLOBAL_init_65535() [[ATTR:#[0-9]+]] {
43 // REGISTER: entry:
44 // REGISTER: %0 = call i32 @atexit(void ()* bitcast (i32 ()* @bar2 to void ()*))
45 // REGISTER: %1 = call i32 @atexit(void ()* bitcast (i32 (i32)* @bar3 to void ()*))
46 // REGISTER: ret void
47 // REGISTER: }
48
49 // REGISTER: define internal void @__GLOBAL_cleanup_100() [[ATTR:#[0-9]+]] {
50 // REGISTER: entry:
51 // REGISTER: %0 = call i32 @unatexit(void ()* bitcast (i32 ()* @bar to void ()*))
52 // REGISTER: %needs_destruct = icmp eq i32 %0, 0
53 // REGISTER: br i1 %needs_destruct, label %destruct.call, label %destruct.end
54
55 // REGISTER: destruct.call:
56 // REGISTER: call void bitcast (i32 ()* @bar to void ()*)()
57 // REGISTER: br label %destruct.end
58
59 // REGISTER: destruct.end:
60 // REGISTER: ret void
61 // REGISTER: }
62
63 // REGISTER: define internal void @__GLOBAL_cleanup_65535() [[ATTR:#[0-9]+]] {
64 // REGISTER: entry:
65 // REGISTER: %0 = call i32 @unatexit(void ()* bitcast (i32 (i32)* @bar3 to void ()*))
66 // REGISTER: %needs_destruct = icmp eq i32 %0, 0
67 // REGISTER: br i1 %needs_destruct, label %destruct.call, label %unatexit.call
68
69 // REGISTER: destruct.call:
70 // REGISTER: call void bitcast (i32 (i32)* @bar3 to void ()*)()
71 // REGISTER: br label %unatexit.call
72
73 // REGISTER: unatexit.call:
74 // REGISTER: %1 = call i32 @unatexit(void ()* bitcast (i32 ()* @bar2 to void ()*))
75 // REGISTER: %needs_destruct1 = icmp eq i32 %1, 0
76 // REGISTER: br i1 %needs_destruct1, label %destruct.call2, label %destruct.end
77
78 // REGISTER: destruct.call2:
79 // REGISTER: call void bitcast (i32 ()* @bar2 to void ()*)()
80 // REGISTER: br label %destruct.end
81
82 // REGISTER: destruct.end:
83 // REGISTER: ret void
84 // REGISTER: }
85