| ; REQUIRES: x86-registered-target |
| ; RUN: llc -filetype=obj -o %t %s |
| ; RUN: llvm-dwarfdump -debug-info %t | FileCheck %s |
| ; Source: |
| ; #define __tag1 __attribute__((btf_type_tag("tag1"))) |
| ; #define __tag2 __attribute__((btf_type_tag("tag2"))) |
| ; |
| ; int * __tag1 * __tag2 *g; |
| ; Compilation flag: |
| ; clang -target x86_64 -g -S -emit-llvm t.c |
| |
| @g = dso_local global i32*** null, align 8, !dbg !0 |
| |
| !llvm.dbg.cu = !{!2} |
| !llvm.module.flags = !{!13, !14, !15, !16, !17} |
| !llvm.ident = !{!18} |
| |
| !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) |
| !1 = distinct !DIGlobalVariable(name: "g", scope: !2, file: !3, line: 4, type: !5, isLocal: false, isDefinition: true) |
| !2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 14.0.0 (https://github.com/llvm/llvm-project.git 2c240a5eefae1a945dfd36cdaa0c677eca90dd82)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, globals: !4, splitDebugInlining: false, nameTableKind: None) |
| !3 = !DIFile(filename: "t.c", directory: "/home/yhs/work/tests/llvm/btf_tag_type") |
| !4 = !{!0} |
| !5 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !6, size: 64, annotations: !11) |
| !6 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !7, size: 64, annotations: !9) |
| !7 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !8, size: 64) |
| !8 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) |
| !9 = !{!10} |
| !10 = !{!"btf_type_tag", !"tag1"} |
| !11 = !{!12} |
| !12 = !{!"btf_type_tag", !"tag2"} |
| |
| ; CHECK: DW_TAG_variable |
| ; CHECK-NEXT: DW_AT_name ("g") |
| ; CHECK-NEXT: DW_AT_type (0x[[T1:[0-9a-f]+]] "int ***") |
| |
| ; CHECK: 0x[[T1]]: DW_TAG_pointer_type |
| ; CHECK-NEXT: DW_AT_type (0x[[T2:[0-9a-f]+]] "int **") |
| |
| ; CHECK: DW_TAG_LLVM_annotation |
| ; CHECK-NEXT: DW_AT_name ("btf_type_tag") |
| ; CHECK-NEXT: DW_AT_const_value ("tag2") |
| |
| ; CHECK: NULL |
| |
| ; CHECK: 0x[[T2]]: DW_TAG_pointer_type |
| ; CHECK-NEXT: DW_AT_type (0x[[T3:[0-9a-f]+]] "int *") |
| |
| ; CHECK: DW_TAG_LLVM_annotation |
| ; CHECK-NEXT: DW_AT_name ("btf_type_tag") |
| ; CHECK-NEXT: DW_AT_const_value ("tag1") |
| |
| ; CHECK: NULL |
| |
| ; CHECK: 0x[[T3]]: DW_TAG_pointer_type |
| ; CHECK-NEXT: DW_AT_type (0x{{[0-9a-f]+}} "int") |
| |
| !13 = !{i32 7, !"Dwarf Version", i32 4} |
| !14 = !{i32 2, !"Debug Info Version", i32 3} |
| !15 = !{i32 1, !"wchar_size", i32 4} |
| !16 = !{i32 7, !"uwtable", i32 1} |
| !17 = !{i32 7, !"frame-pointer", i32 2} |
| !18 = !{!"clang version 14.0.0 (https://github.com/llvm/llvm-project.git 2c240a5eefae1a945dfd36cdaa0c677eca90dd82)"} |