debug-info.cpp
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// RUN: %clang_cc1 -triple x86_64-none-linux-gnu -emit-llvm -debug-info-kind=limited %s -o - | FileCheck %s --check-prefix=CHECK --check-prefix=BOTH
// RUN: %clang_cc1 -triple i686-pc-windows-msvc -emit-llvm -debug-info-kind=limited %s -o - | FileCheck %s --check-prefix=MSVC --check-prefix=BOTH
// CHECK: @_ZN6pr96081xE = global [3 x i8]* null, align 8, !dbg [[X:![0-9]+]]
// CHECK: define void @_ZN7pr147634funcENS_3fooE
// CHECK: call void @llvm.dbg.declare({{.*}}, metadata ![[F:[0-9]+]], metadata !DIExpression())
// !llvm.dbg.cu pulls in globals and their types first.
// CHECK-NOT: !DIGlobalVariable(name: "c"
// CHECK: [[X]] = !DIGlobalVariableExpression(var: [[XV:!.*]], expr: !DIExpression())
// CHECK: [[XV]] = distinct !DIGlobalVariable(name: "x", linkageName: "_ZN6pr96081xE"
// CHECK-SAME: type: [[INCARRAYPTR:![0-9]*]]
// CHECK: [[INCARRAYPTR]] = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: [[INCARRAY:![0-9]+]]
// CHECK: [[INCARRAY]] = !DICompositeType(tag: DW_TAG_array_type
// CHECK-NOT: line:
// CHECK-NOT: size:
// CHECK-NOT: align:
// CHECK-NOT: offset:
// CHECK-SAME: baseType: ![[INCTYPE:[0-9]+]]
// CHECK: ![[INCTYPE]] = !DICompositeType(tag: DW_TAG_structure_type, name: "incomplete"
// CHECK-SAME: DIFlagFwdDecl
template<typename T> struct Identity {
typedef T Type;
};
void f(Identity<int>::Type a) {}
void f(Identity<int> a) {}
void f(int& a) { }
template<typename T> struct A {
A<T> *next;
};
void f(A<int>) { }
struct B { };
void f() {
int B::*a = 0;
void (B::*b)() = 0;
}
namespace EmptyNameCrash {
struct A { A(); };
typedef struct { A x; } B;
B x;
}
// PR4890
namespace PR4890 {
struct X {
~X();
};
X::~X() { }
}
namespace VirtualDtor {
struct Y {
virtual ~Y();
};
Y::~Y() { }
}
namespace VirtualBase {
struct A { int a; };
struct B : virtual A { int b; };
// BOTH: ![[VBASE_B:[0-9]+]] ={{.*}}!DICompositeType(tag: DW_TAG_structure_type, name: "B",{{.*}} line: [[@LINE-1]],
// MSVC-SAME: size: 96
// CHECK-SAME: size: 128,
// BOTH-NOT: offset:
// BOTH-NOT: DIFlagFwdDecl
// BOTH-SAME: elements: [[VBASE_B_DEF:![0-9]+]]
// BOTH: [[VBASE_B_DEF]] = !{[[VBASE_A_IN_B:![0-9]+]],
//
// Look for the vbtable offset of A, which should be 4 for MSVC, 24 otherwise.
// BOTH: [[VBASE_A_IN_B]] = !DIDerivedType(tag: DW_TAG_inheritance, scope: ![[VBASE_B]],
// BOTH-SAME: baseType: ![[VBASE_A:[0-9]+]],
// MSVC-SAME: offset: 4,
// CHECK-SAME: offset: 24,
//
// BOTH: ![[VBASE_A]] ={{.*}}!DICompositeType(tag: DW_TAG_structure_type, name: "A",
void f() {
B b;
}
}
namespace b5249287 {
template <typename T> class A {
struct B;
};
class Cls {
template <typename T> friend class A<T>::B;
};
Cls obj;
}
// CHECK: [[FUNC:[0-9]+]] = distinct !DISubprogram(name: "func", linkageName: "_ZN7pr147634funcENS_3fooE"
// CHECK-SAME: type: {{![0-9]+}}
// CHECK-SAME: DISPFlagDefinition
// CHECK: [[PR14763:![0-9]+]] = !DINamespace(name: "pr14763"
namespace pr14763 {
struct foo {
// CHECK: ![[FOO:[0-9]+]] ={{.*}}!DICompositeType(tag: DW_TAG_structure_type, name: "foo"
// CHECK-SAME: scope: [[PR14763]]
// CHECK-SAME: identifier:
foo(const foo&);
};
// For some reason function arguments ended up down here
// CHECK: ![[F]] = !DILocalVariable(name: "f", arg: 1, scope: ![[FUNC]]
// CHECK-SAME: type: ![[FOO]]
foo func(foo f) {
return f; // reference 'f' for now because otherwise we hit another bug
}
}
void foo() {
// CHECK: !DILocalVariable(name: "c"
// CHECK-NOT: arg:
// CHECK-SAME: )
const wchar_t c = L'x';
wchar_t d = c;
}
namespace pr9608 { // also pr9600
struct incomplete;
incomplete (*x)[3];
}
namespace pr16214 {
// CHECK: !DICompositeType(tag: DW_TAG_structure_type, name: "a"
// CHECK-SAME: elements: [[A_MEM:![0-9]+]]
// CHECK-SAME: identifier: "_ZTSN7pr162141aE"
// CHECK: [[A_MEM]] = !{[[A_I:![0-9]*]]}
struct a {
// CHECK: [[A_I]] = !DIDerivedType(tag: DW_TAG_member, name: "i"
int i;
};
typedef a at;
// CHECK: !DICompositeType(tag: DW_TAG_structure_type, name: "b"
// CHECK-SAME: DIFlagFwdDecl
struct b {
};
typedef b bt;
void func() {
at a_inst;
bt *b_ptr_inst;
const bt *b_cnst_ptr_inst;
}
}