xref: /llvm-project/clang/test/CodeGenCXX/debug-info-codeview-heapallocsite.cpp (revision c5de4dd1eab00df76c1a68c5f397304ceacb71f2)
1 // RUN: %clang_cc1 -fexceptions -triple x86_64-windows-msvc -debug-info-kind=limited -gcodeview -fdeclspec -emit-llvm %s -o - | FileCheck %s
2 
3 struct Foo {
4   int x;
5 };
6 struct Bar {
7   int y;
8 };
9 extern Foo *gv_foo;
10 extern Bar *gv_bar;
doit()11 extern "C" void doit() {
12   gv_foo = new Foo();
13   gv_bar = new Bar();
14 }
15 
16 // CHECK-LABEL: define {{.*}}void @doit
17 // CHECK: call {{.*}} ptr {{.*}}@"??2@YAPEAX_K@Z"(i64 noundef 4) {{.*}} !heapallocsite [[DBG_FOO:!.*]]
18 // CHECK: call {{.*}} ptr {{.*}}@"??2@YAPEAX_K@Z"(i64 noundef 4) {{.*}} !heapallocsite [[DBG_BAR:!.*]]
19 
useinvoke()20 extern "C" void useinvoke() {
21   struct HasDtor {
22     ~HasDtor() { delete gv_foo; }
23   } o;
24   gv_foo = new Foo();
25 }
26 
27 // CHECK-LABEL: define {{.*}}void @useinvoke
28 // CHECK: invoke {{.*}} ptr {{.*}}@"??2@YAPEAX_K@Z"(i64 noundef 4)
29 // CHECK-NEXT: to label {{.*}} unwind label {{.*}} !heapallocsite [[DBG_FOO]]
30 
31 // CHECK: [[DBG_FOO]] = distinct !DICompositeType(tag: DW_TAG_structure_type,
32 // CHECK-SAME:                                 name: "Foo"
33 // CHECK: [[DBG_BAR]] = distinct !DICompositeType(tag: DW_TAG_structure_type,
34 // CHECK-SAME:                                 name: "Bar"
35 
36 // a new expression in a default arg has caused crashes in the past, add here to test that edge case
foo(int * a=new int)37 void foo(int *a = new int) {}
bar()38 void bar() { foo(); }
39