File: debug-info-codeview-heapallocsite.cpp

package info (click to toggle)
llvm-toolchain-13 1%3A13.0.1-11
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,418,840 kB
  • sloc: cpp: 5,290,826; ansic: 996,570; asm: 544,593; python: 188,212; objc: 72,027; lisp: 30,291; f90: 25,395; sh: 24,898; javascript: 9,780; pascal: 9,398; perl: 7,484; ml: 5,432; awk: 3,523; makefile: 2,913; xml: 953; cs: 573; fortran: 539
file content (38 lines) | stat: -rw-r--r-- 1,264 bytes parent folder | download | duplicates (5)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
// RUN: %clang_cc1 -fexceptions -triple x86_64-windows-msvc -debug-info-kind=limited -gcodeview -fdeclspec -S -emit-llvm %s -o - | FileCheck %s

struct Foo {
  int x;
};
struct Bar {
  int y;
};
extern Foo *gv_foo;
extern Bar *gv_bar;
extern "C" void doit() {
  gv_foo = new Foo();
  gv_bar = new Bar();
}

// CHECK-LABEL: define {{.*}}void @doit
// CHECK: call {{.*}} i8* {{.*}}@"??2@YAPEAX_K@Z"(i64 4) {{.*}} !heapallocsite [[DBG_FOO:!.*]]
// CHECK: call {{.*}} i8* {{.*}}@"??2@YAPEAX_K@Z"(i64 4) {{.*}} !heapallocsite [[DBG_BAR:!.*]]

extern "C" void useinvoke() {
  struct HasDtor {
    ~HasDtor() { delete gv_foo; }
  } o;
  gv_foo = new Foo();
}

// CHECK-LABEL: define {{.*}}void @useinvoke
// CHECK: invoke {{.*}} i8* {{.*}}@"??2@YAPEAX_K@Z"(i64 4)
// CHECK-NEXT: to label {{.*}} unwind label {{.*}} !heapallocsite [[DBG_FOO]]

// CHECK: [[DBG_FOO]] = distinct !DICompositeType(tag: DW_TAG_structure_type,
// CHECK-SAME:                                 name: "Foo"
// CHECK: [[DBG_BAR]] = distinct !DICompositeType(tag: DW_TAG_structure_type,
// CHECK-SAME:                                 name: "Bar"

// a new expression in a default arg has caused crashes in the past, add here to test that edge case
void foo(int *a = new int) {}
void bar() { foo(); }