xref: /llvm-project/llvm/test/ExecutionEngine/OrcLazy/global-ctors-and-dtors.ll (revision 2d56d8c4e8751c7e2cab927cdeb4e519af3f3585)
1; Test that global constructors and destructors are run:
2;
3; RUN: lli -jit-kind=orc-lazy -orc-lazy-debug=funcs-to-stdout -extra-module %s \
4; RUN:   %S/Inputs/noop-main.ll | FileCheck %s
5;
6; Test that this is true for global constructors and destructors in other
7; JITDylibs.
8; RUN: lli -jit-kind=orc-lazy -orc-lazy-debug=funcs-to-stdout \
9; RUN:   -jd extra -extra-module %s -jd main %S/Inputs/noop-main.ll | FileCheck %s
10;
11; CHECK: Hello from constructor
12; CHECK: Hello
13; CHECK: [ {{.*}}main{{.*}} ]
14; CHECK: Goodbye from atexit
15; CHECK: Goodbye from __cxa_atexit
16; CHECK: Goodbye from destructor
17
18%class.Foo = type { i8 }
19
20@f = global %class.Foo zeroinitializer, align 1
21@__dso_handle = external global i8
22@llvm.global_ctors = appending global [2 x { i32, ptr, ptr }] [{ i32, ptr, ptr } { i32 65535, ptr @_GLOBAL__sub_I_hello.cpp, ptr null }, { i32, ptr, ptr } { i32 1024, ptr @constructor, ptr null }]
23@llvm.global_dtors = appending global [1 x { i32, ptr, ptr }] [{ i32, ptr, ptr } { i32 0, ptr @printf_wrapper, ptr null }]
24@str = private unnamed_addr constant [6 x i8] c"Hello\00"
25@str2 = private unnamed_addr constant [23 x i8] c"Hello from constructor\00"
26@str3 = private unnamed_addr constant [24 x i8] c"Goodbye from destructor\00"
27@str4 = global [26 x i8] c"Goodbye from __cxa_atexit\00"
28@str5 = global [20 x i8] c"Goodbye from atexit\00"
29
30
31define linkonce_odr void @_ZN3FooD1Ev(ptr nocapture readnone %this) unnamed_addr align 2 {
32entry:
33  %puts.i = tail call i32 @puts(ptr @str4)
34  ret void
35}
36
37define void @atexit_handler() {
38entry:
39  %puts.i = tail call i32 @puts(ptr @str5)
40  ret void
41}
42
43declare i32 @__cxa_atexit(ptr, ptr, ptr)
44
45declare i32 @atexit(ptr)
46
47define internal void @_GLOBAL__sub_I_hello.cpp() {
48entry:
49  %puts.i.i.i = tail call i32 @puts(ptr @str)
50  %0 = tail call i32 @__cxa_atexit(ptr @_ZN3FooD1Ev, ptr @f, ptr @__dso_handle)
51  %1 = tail call i32 @atexit(ptr @atexit_handler)
52  ret void
53}
54
55define void @printf_wrapper() {
56entry:
57  %0 = tail call i32 @puts(ptr @str3)
58  ret void
59}
60
61declare i32 @puts(ptr nocapture readonly)
62
63define void @constructor() {
64entry:
65  %0 = tail call i32 @puts(ptr @str2)
66  ret void
67}
68