|  | // REQUIRES: bpf-registered-target | 
|  | // RUN: %clang_cc1 -triple bpf -emit-llvm -debug-info-kind=limited -disable-llvm-passes %s -o - | FileCheck %s | 
|  |  | 
|  | #define _(x, y) (__builtin_preserve_type_info((x), (y))) | 
|  |  | 
|  | struct s { | 
|  | char a; | 
|  | }; | 
|  | typedef int __int; | 
|  | enum AA { | 
|  | VAL1 = 1, | 
|  | VAL2 = 2, | 
|  | }; | 
|  |  | 
|  | unsigned unit1() { | 
|  | struct s v = {}; | 
|  | return _(v, 0) + _(*(struct s *)0, 0); | 
|  | } | 
|  |  | 
|  | // CHECK: call i32 @llvm.bpf.preserve.type.info(i32 0, i64 0), !dbg !{{[0-9]+}}, !llvm.preserve.access.index ![[STRUCT_S:[0-9]+]] | 
|  | // CHECK: call i32 @llvm.bpf.preserve.type.info(i32 1, i64 0), !dbg !{{[0-9]+}}, !llvm.preserve.access.index ![[STRUCT_S]] | 
|  |  | 
|  | unsigned unit2() { | 
|  | __int n; | 
|  | return _(n, 1) + _(*(__int *)0, 1); | 
|  | } | 
|  |  | 
|  | // CHECK: call i32 @llvm.bpf.preserve.type.info(i32 2, i64 1), !dbg !{{[0-9]+}}, !llvm.preserve.access.index ![[TYPEDEF_INT:[0-9]+]] | 
|  | // CHECK: call i32 @llvm.bpf.preserve.type.info(i32 3, i64 1), !dbg !{{[0-9]+}}, !llvm.preserve.access.index ![[TYPEDEF_INT]] | 
|  |  | 
|  | unsigned unit3() { | 
|  | enum AA t; | 
|  | return _(t, 0) + _(*(enum AA *)0, 1); | 
|  | } | 
|  |  | 
|  | // CHECK: call i32 @llvm.bpf.preserve.type.info(i32 4, i64 0), !dbg !{{[0-9]+}}, !llvm.preserve.access.index ![[ENUM_AA:[0-9]+]] | 
|  | // CHECK: call i32 @llvm.bpf.preserve.type.info(i32 5, i64 1), !dbg !{{[0-9]+}}, !llvm.preserve.access.index ![[ENUM_AA]] | 
|  |  | 
|  | // CHECK: ![[ENUM_AA]] = !DICompositeType(tag: DW_TAG_enumeration_type, name: "AA" | 
|  | // CHECK: ![[STRUCT_S]] = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "s" | 
|  | // CHECK: ![[TYPEDEF_INT]] = !DIDerivedType(tag: DW_TAG_typedef, name: "__int" |