| ; RUN: llc -march=bpfel -filetype=asm -o - %s | FileCheck -check-prefixes=CHECK %s |
| ; RUN: llc -march=bpfeb -filetype=asm -o - %s | FileCheck -check-prefixes=CHECK %s |
| |
| ; Source code: |
| ; #define __tag1 __attribute__((btf_decl_tag("tag1"))) |
| ; typedef struct { int a; } __s __tag1; |
| ; typedef unsigned * __u __tag1; |
| ; __s a; |
| ; __u u; |
| ; Compilation flag: |
| ; clang -target bpf -O2 -g -S -emit-llvm t.c |
| |
| %struct.__s = type { i32 } |
| |
| @a = dso_local local_unnamed_addr global %struct.__s zeroinitializer, align 4, !dbg !0 |
| @u = dso_local local_unnamed_addr global i32* null, align 8, !dbg !5 |
| |
| !llvm.dbg.cu = !{!2} |
| !llvm.module.flags = !{!17, !18, !19, !20} |
| !llvm.ident = !{!21} |
| |
| !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) |
| !1 = distinct !DIGlobalVariable(name: "a", scope: !2, file: !3, line: 4, type: !12, 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 219b26fbcd70273ddfd4ead9387f7c69b7eb4570)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, globals: !4, splitDebugInlining: false, nameTableKind: None) |
| !3 = !DIFile(filename: "t.c", directory: "/tmp/home/yhs/work/tests/llvm/btf_tag") |
| !4 = !{!0, !5} |
| !5 = !DIGlobalVariableExpression(var: !6, expr: !DIExpression()) |
| !6 = distinct !DIGlobalVariable(name: "u", scope: !2, file: !3, line: 5, type: !7, isLocal: false, isDefinition: true) |
| !7 = !DIDerivedType(tag: DW_TAG_typedef, name: "__u", file: !3, line: 3, baseType: !8, annotations: !10) |
| !8 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !9, size: 64) |
| !9 = !DIBasicType(name: "unsigned int", size: 32, encoding: DW_ATE_unsigned) |
| !10 = !{!11} |
| !11 = !{!"btf_decl_tag", !"tag1"} |
| !12 = !DIDerivedType(tag: DW_TAG_typedef, name: "__s", file: !3, line: 2, baseType: !13, annotations: !10) |
| !13 = distinct !DICompositeType(tag: DW_TAG_structure_type, file: !3, line: 2, size: 32, elements: !14) |
| !14 = !{!15} |
| !15 = !DIDerivedType(tag: DW_TAG_member, name: "a", scope: !13, file: !3, line: 2, baseType: !16, size: 32) |
| !16 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) |
| !17 = !{i32 7, !"Dwarf Version", i32 4} |
| !18 = !{i32 2, !"Debug Info Version", i32 3} |
| !19 = !{i32 1, !"wchar_size", i32 4} |
| !20 = !{i32 7, !"frame-pointer", i32 2} |
| !21 = !{!"clang version 14.0.0 (https://github.com/llvm/llvm-project.git 219b26fbcd70273ddfd4ead9387f7c69b7eb4570)"} |
| |
| ; CHECK: .long 1 # BTF_KIND_TYPEDEF(id = 1) |
| ; CHECK-NEXT: .long 134217728 # 0x8000000 |
| ; CHECK-NEXT: .long 3 |
| ; CHECK-NEXT: .long 5 # BTF_KIND_DECL_TAG(id = 2) |
| ; CHECK-NEXT: .long 285212672 # 0x11000000 |
| ; CHECK-NEXT: .long 1 |
| ; CHECK-NEXT: .long 4294967295 |
| ; CHECK-NEXT: .long 0 # BTF_KIND_STRUCT(id = 3) |
| ; CHECK-NEXT: .long 67108865 # 0x4000001 |
| ; CHECK-NEXT: .long 4 |
| ; CHECK-NEXT: .long 10 |
| ; CHECK-NEXT: .long 4 |
| ; CHECK-NEXT: .long 0 # 0x0 |
| ; CHECK-NEXT: .long 12 # BTF_KIND_INT(id = 4) |
| ; CHECK-NEXT: .long 16777216 # 0x1000000 |
| ; CHECK-NEXT: .long 4 |
| ; CHECK-NEXT: .long 16777248 # 0x1000020 |
| ; CHECK-NEXT: .long 10 # BTF_KIND_VAR(id = 5) |
| ; CHECK-NEXT: .long 234881024 # 0xe000000 |
| ; CHECK-NEXT: .long 1 |
| ; CHECK-NEXT: .long 1 |
| ; CHECK-NEXT: .long 16 # BTF_KIND_TYPEDEF(id = 6) |
| ; CHECK-NEXT: .long 134217728 # 0x8000000 |
| ; CHECK-NEXT: .long 8 |
| ; CHECK-NEXT: .long 5 # BTF_KIND_DECL_TAG(id = 7) |
| ; CHECK-NEXT: .long 285212672 # 0x11000000 |
| ; CHECK-NEXT: .long 6 |
| ; CHECK-NEXT: .long 4294967295 |
| ; CHECK-NEXT: .long 0 # BTF_KIND_PTR(id = 8) |
| ; CHECK-NEXT: .long 33554432 # 0x2000000 |
| ; CHECK-NEXT: .long 9 |
| ; CHECK-NEXT: .long 20 # BTF_KIND_INT(id = 9) |
| ; CHECK-NEXT: .long 16777216 # 0x1000000 |
| ; CHECK-NEXT: .long 4 |
| ; CHECK-NEXT: .long 32 # 0x20 |
| |
| ; CHECK: .ascii "__s" # string offset=1 |
| ; CHECK: .ascii "tag1" # string offset=5 |
| ; CHECK: .byte 97 # string offset=10 |
| ; CHECK: .ascii "int" # string offset=12 |
| ; CHECK: .ascii "__u" # string offset=16 |
| ; CHECK: .ascii "unsigned int" # string offset=20 |
| |