llvm-project/clang/test/CodeGenCXX/debug-info-template-member.cpp
Manman Ren f801f808ba Debug Info: this reverts commit r189600.
We had further discussions on how to retain types, whether to do it in front end
or in DIBuilder. And we agree to do it in DIBuilder so front ends
generating unique identifier do not need to worry about retaining them.

llvm-svn: 189609
2013-08-29 20:48:48 +00:00

53 lines
2.1 KiB
C++

// RUN: %clang_cc1 -emit-llvm -g -triple x86_64-apple-darwin %s -o - | FileCheck %s
struct MyClass {
template <int i> int add(int j) {
return i + j;
}
virtual void func() {
}
};
int add2(int x) {
return MyClass().add<2>(x);
}
inline int add3(int x) {
return MyClass().add<3>(x); // even though add<3> is ODR used, don't emit it since we don't codegen it
}
// CHECK: [[C:![0-9]*]] = {{.*}}, metadata [[C_MEM:![0-9]*]], i32 0, metadata [[C]], null, null} ; [ DW_TAG_structure_type ] [MyClass]
// CHECK: [[C_MEM]] = metadata !{metadata [[C_VPTR:![0-9]*]], metadata [[C_ADD:![0-9]*]], metadata [[C_FUNC:![0-9]*]], metadata [[C_CTOR:![0-9]*]]}
// CHECK: [[C_VPTR]] = {{.*}} ; [ DW_TAG_member ] [_vptr$MyClass]
// CHECK: [[C_ADD]] = {{.*}} ; [ DW_TAG_subprogram ] [line 4] [add<2>]
// CHECK: [[C_FUNC]] = {{.*}} ; [ DW_TAG_subprogram ] [line 7] [func]
// CHECK: [[C_CTOR]] = {{.*}} ; [ DW_TAG_subprogram ] [line 0] [MyClass]
template<typename T>
struct outer {
struct inner {
int i;
};
};
struct foo {
void func(outer<foo>::inner);
};
inline void func() {
// require 'foo' to be complete before the emission of 'inner' so that, when
// constructing the context chain for 'x' we emit the full definition of
// 'foo', which requires the definition of 'inner' again
foo f;
}
outer<foo>::inner x;
// CHECK: metadata [[OUTER_FOO_INNER:![0-9]*]], i32 {{[0-9]*}}, i32 {{[0-9]*}}, %"struct.outer<foo>::inner"* @x, {{.*}} ; [ DW_TAG_variable ] [x]
// CHECK: [[OUTER_FOO_INNER]] = {{.*}} ; [ DW_TAG_structure_type ] [inner]
// CHECK: [[FOO_MEM:![0-9]*]], i32 0, null, null, null} ; [ DW_TAG_structure_type ] [foo]
// CHECK: [[FOO_MEM]] = metadata !{metadata [[FOO_FUNC:![0-9]*]]}
// CHECK: [[FOO_FUNC]] = {{.*}}, metadata !"_ZN3foo4funcEN5outerIS_E5innerE", i32 {{[0-9]*}}, metadata [[FOO_FUNC_TYPE:![0-9]*]], {{.*}} ; [ DW_TAG_subprogram ] {{.*}} [func]
// CHECK: [[FOO_FUNC_TYPE]] = {{.*}}, metadata [[FOO_FUNC_PARAMS:![0-9]*]], i32 0, null, null, null} ; [ DW_TAG_subroutine_type ]
// CHECK: [[FOO_FUNC_PARAMS]] = metadata !{null, metadata !{{[0-9]*}}, metadata [[OUTER_FOO_INNER]]}