| ; 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: |
| ; struct t { |
| ; int a; |
| ; }; |
| ; struct t2 { |
| ; struct t *f1; |
| ; }; |
| ; struct t2 __attribute__((section("prune_types"))) g; |
| ; Compilation flag: |
| ; clang -target bpf -O2 -g -S -emit-llvm t.c |
| |
| %struct.t2 = type { %struct.t* } |
| %struct.t = type { i32 } |
| |
| @g = dso_local local_unnamed_addr global %struct.t2 zeroinitializer, section "prune_types", align 8, !dbg !0 |
| |
| ; CHECK: .section .BTF,"",@progbits |
| ; CHECK-NEXT: .short 60319 # 0xeb9f |
| ; CHECK-NEXT: .byte 1 |
| ; CHECK-NEXT: .byte 0 |
| ; CHECK-NEXT: .long 24 |
| ; CHECK-NEXT: .long 0 |
| ; CHECK-NEXT: .long 88 |
| ; CHECK-NEXT: .long 88 |
| ; CHECK-NEXT: .long 23 |
| ; CHECK-NEXT: .long 1 # BTF_KIND_STRUCT(id = 1) |
| ; CHECK-NEXT: .long 67108865 # 0x4000001 |
| ; CHECK-NEXT: .long 8 |
| ; CHECK-NEXT: .long 4 |
| ; CHECK-NEXT: .long 2 |
| ; CHECK-NEXT: .long 0 # 0x0 |
| ; CHECK-NEXT: .long 0 # BTF_KIND_PTR(id = 2) |
| ; CHECK-NEXT: .long 33554432 # 0x2000000 |
| ; CHECK-NEXT: .long 5 |
| ; CHECK-NEXT: .long 7 # BTF_KIND_VAR(id = 3) |
| ; CHECK-NEXT: .long 234881024 # 0xe000000 |
| ; CHECK-NEXT: .long 1 |
| ; CHECK-NEXT: .long 1 |
| ; CHECK-NEXT: .long 9 # BTF_KIND_DATASEC(id = 4) |
| ; CHECK-NEXT: .long 251658241 # 0xf000001 |
| ; CHECK-NEXT: .long 0 |
| ; CHECK-NEXT: .long 3 |
| ; CHECK-NEXT: .long g |
| ; CHECK-NEXT: .long 8 |
| ; CHECK-NEXT: .long 21 # BTF_KIND_FWD(id = 5) |
| ; CHECK-NEXT: .long 117440512 # 0x7000000 |
| ; CHECK-NEXT: .long 0 |
| ; CHECK-NEXT: .byte 0 # string offset=0 |
| ; CHECK-NEXT: .ascii "t2" # string offset=1 |
| ; CHECK-NEXT: .byte 0 |
| ; CHECK-NEXT: .ascii "f1" # string offset=4 |
| ; CHECK-NEXT: .byte 0 |
| ; CHECK-NEXT: .byte 103 # string offset=7 |
| ; CHECK-NEXT: .byte 0 |
| ; CHECK-NEXT: .ascii "prune_types" # string offset=9 |
| ; CHECK-NEXT: .byte 0 |
| ; CHECK-NEXT: .byte 116 # string offset=21 |
| ; CHECK-NEXT: .byte 0 |
| |
| !llvm.dbg.cu = !{!2} |
| !llvm.module.flags = !{!14, !15, !16} |
| !llvm.ident = !{!17} |
| |
| !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) |
| !1 = distinct !DIGlobalVariable(name: "g", scope: !2, file: !3, line: 7, type: !6, isLocal: false, isDefinition: true) |
| !2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 9.0.0 (trunk 364157) (llvm/trunk 364156)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5, nameTableKind: None) |
| !3 = !DIFile(filename: "t.c", directory: "/tmp/home/yhs/work/tests/llvm") |
| !4 = !{} |
| !5 = !{!0} |
| !6 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "t2", file: !3, line: 4, size: 64, elements: !7) |
| !7 = !{!8} |
| !8 = !DIDerivedType(tag: DW_TAG_member, name: "f1", scope: !6, file: !3, line: 5, baseType: !9, size: 64) |
| !9 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !10, size: 64) |
| !10 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "t", file: !3, line: 1, size: 32, elements: !11) |
| !11 = !{!12} |
| !12 = !DIDerivedType(tag: DW_TAG_member, name: "a", scope: !10, file: !3, line: 2, baseType: !13, size: 32) |
| !13 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) |
| !14 = !{i32 2, !"Dwarf Version", i32 4} |
| !15 = !{i32 2, !"Debug Info Version", i32 3} |
| !16 = !{i32 1, !"wchar_size", i32 4} |
| !17 = !{!"clang version 9.0.0 (trunk 364157) (llvm/trunk 364156)"} |