xref: /llvm-project-15.0.7/clang/test/CodeGenCXX/debug-info-codeview-heapallocsite.cpp (revision 532dc62b)

// RUN: %clang_cc1 -no-opaque-pointers -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 noundef 4) {{.*}} !heapallocsite [[DBG_FOO:!.*]]
// CHECK: call {{.*}} i8* {{.*}}@"??2@YAPEAX_K@Z"(i64 noundef 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 noundef 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(); }