llvm-for-llvmta/tools/clang/test/CodeGenCXX/debug-info-varargs.cpp

31 lines
1.1 KiB
C++

// RUN: %clang_cc1 -triple %itanium_abi_triple -emit-llvm -debug-info-kind=limited %s -o - | FileCheck %s
struct A
{
void a(int c, ...) {}
};
// CHECK: !DISubprogram(name: "b", linkageName: "_Z1biz"
// CHECK-SAME: line: [[@LINE+2]]
// CHECK-SAME: type: ![[BTY:[0-9]+]]
void b(int c, ...) {
// CHECK: ![[BTY]] = !DISubroutineType(types: ![[BARGS:[0-9]+]])
// CHECK: ![[BARGS]] = !{null, !{{[0-9]+}}, null}
// The subprogram "a" comes after "b" because the function comes later.
// CHECK: !DISubprogram(name: "a", linkageName: "_ZN1A1aEiz"
// CHECK-SAME: line: 5,
// CHECK-SAME: type: ![[ATY:[0-9]+]]
// CHECK: ![[ATY]] = !DISubroutineType(types: ![[AARGS:[0-9]+]])
// We no longer use an explicit unspecified parameter. Instead we use a trailing null to mean the function is variadic.
// CHECK: ![[AARGS]] = !{null, !{{[0-9]+}}, !{{[0-9]+}}, null}
A a;
// CHECK: !DILocalVariable(name: "fptr"
// CHECK-SAME: line: [[@LINE+2]]
// CHECK-SAME: type: ![[PST:[0-9]+]]
void (*fptr)(int, ...) = b;
// CHECK: ![[PST]] = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: ![[BTY]],
}