llvm-project/clang/test/CodeGenCXX/debug-info-varargs.cpp

23 lines
1.0 KiB
C++

// RUN: %clang_cc1 -triple %itanium_abi_triple -emit-llvm -g %s -o - | FileCheck %s
struct A
{
// CHECK-DAG: ", i32 [[@LINE+1]], metadata ![[ATY:[0-9]+]]{{.*}}[ DW_TAG_subprogram ]{{.*}}[a]
void a(int c, ...) {}
// CHECK: ![[ATY]] ={{.*}} metadata ![[AARGS:[0-9]+]], i32 0, null, null, null} ; [ DW_TAG_subroutine_type ]
// We no longer use an explicit unspecified parameter. Instead we use a trailing null to mean the function is variadic.
// CHECK: ![[AARGS]] = metadata !{null, metadata !{{[0-9]+}}, metadata !{{[0-9]+}}, null}
};
// CHECK: ", i32 [[@LINE+1]], metadata ![[BTY:[0-9]+]]{{.*}}[ DW_TAG_subprogram ]{{.*}}[b]
void b(int c, ...) {
// CHECK: ![[BTY]] ={{.*}} metadata ![[BARGS:[0-9]+]], i32 0, null, null, null} ; [ DW_TAG_subroutine_type ]
// CHECK: ![[BARGS]] = metadata !{null, metadata !{{[0-9]+}}, null}
A a;
// CHECK: metadata ![[PST:[0-9]+]], i32 0, i32 0} ; [ DW_TAG_auto_variable ] [fptr] [line [[@LINE+1]]]
void (*fptr)(int, ...) = b;
// CHECK: ![[PST]] ={{.*}} metadata ![[BTY]]} ; [ DW_TAG_pointer_type ]
}