| // REQUIRES: bpf-registered-target |
| // RUN: %clang -target bpf -emit-llvm -S -g -Xclang -disable-llvm-passes %s -o - | FileCheck %s |
| |
| unsigned test1(int a) { return __builtin_btf_type_id(a, 0); } |
| unsigned test2(int a) { return __builtin_btf_type_id(&a, 0); } |
| |
| struct t1 { int a; }; |
| typedef struct t1 __t1; |
| unsigned test3() { |
| return __builtin_btf_type_id(*(struct t1 *)0, 1) + |
| __builtin_btf_type_id(*(__t1 *)0, 1); |
| } |
| |
| // CHECK: define dso_local i32 @test1 |
| // CHECK: call i64 @llvm.bpf.btf.type.id(i32 0, i64 0), !dbg !{{[0-9]+}}, !llvm.preserve.access.index ![[INT:[0-9]+]] |
| // CHECK: define dso_local i32 @test2 |
| // CHECK: call i64 @llvm.bpf.btf.type.id(i32 1, i64 0), !dbg !{{[0-9]+}}, !llvm.preserve.access.index ![[INT_POINTER:[0-9]+]] |
| // CHECK: define dso_local i32 @test3 |
| // CHECK: call i64 @llvm.bpf.btf.type.id(i32 2, i64 1), !dbg !{{[0-9]+}}, !llvm.preserve.access.index ![[STRUCT_T1:[0-9]+]] |
| // CHECK: call i64 @llvm.bpf.btf.type.id(i32 3, i64 1), !dbg !{{[0-9]+}}, !llvm.preserve.access.index ![[TYPEDEF_T1:[0-9]+]] |
| // |
| // CHECK: ![[INT]] = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed |
| // CHECK: ![[INT_POINTER]] = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: ![[INT]], size: 64 |
| // CHECK: ![[TYPEDEF_T1]] = !DIDerivedType(tag: DW_TAG_typedef, name: "__t1" |
| // CHECK: ![[STRUCT_T1]] = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "t1" |
