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121 lines
5.9 KiB
121 lines
5.9 KiB
4 months ago
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; RUN: llc -march=bpfel -filetype=asm -o - %s | FileCheck -check-prefixes=CHECK %s
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; RUN: llc -march=bpfeb -filetype=asm -o - %s | FileCheck -check-prefixes=CHECK %s
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; Source code:
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; struct key_type {
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; int a;
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; int b;
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; };
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; struct map_type {
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; struct key_type *key;
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; unsigned *value;
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; };
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; struct map_type __attribute__((section(".maps"))) hash_map;
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; Compilation flag:
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; clang -target bpf -O2 -g -S -emit-llvm t.c
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%struct.map_type = type { %struct.key_type*, i32* }
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%struct.key_type = type { i32, i32 }
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@hash_map = dso_local local_unnamed_addr global %struct.map_type zeroinitializer, section ".maps", align 8, !dbg !0
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; CHECK: .section .BTF,"",@progbits
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; CHECK-NEXT: .short 60319 # 0xeb9f
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; CHECK-NEXT: .byte 1
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; CHECK-NEXT: .byte 0
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; CHECK-NEXT: .long 24
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; CHECK-NEXT: .long 0
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; CHECK-NEXT: .long 168
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; CHECK-NEXT: .long 168
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; CHECK-NEXT: .long 65
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; CHECK-NEXT: .long 0 # BTF_KIND_PTR(id = 1)
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; CHECK-NEXT: .long 33554432 # 0x2000000
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; CHECK-NEXT: .long 2
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; CHECK-NEXT: .long 1 # BTF_KIND_STRUCT(id = 2)
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; CHECK-NEXT: .long 67108866 # 0x4000002
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; CHECK-NEXT: .long 8
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; CHECK-NEXT: .long 10
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; CHECK-NEXT: .long 3
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; CHECK-NEXT: .long 0 # 0x0
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; CHECK-NEXT: .long 12
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; CHECK-NEXT: .long 3
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; CHECK-NEXT: .long 32 # 0x20
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; CHECK-NEXT: .long 14 # BTF_KIND_INT(id = 3)
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; CHECK-NEXT: .long 16777216 # 0x1000000
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; CHECK-NEXT: .long 4
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; CHECK-NEXT: .long 16777248 # 0x1000020
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; CHECK-NEXT: .long 0 # BTF_KIND_PTR(id = 4)
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; CHECK-NEXT: .long 33554432 # 0x2000000
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; CHECK-NEXT: .long 5
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; CHECK-NEXT: .long 18 # BTF_KIND_INT(id = 5)
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; CHECK-NEXT: .long 16777216 # 0x1000000
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; CHECK-NEXT: .long 4
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; CHECK-NEXT: .long 32 # 0x20
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; CHECK-NEXT: .long 31 # BTF_KIND_STRUCT(id = 6)
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; CHECK-NEXT: .long 67108866 # 0x4000002
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; CHECK-NEXT: .long 16
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; CHECK-NEXT: .long 40
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; CHECK-NEXT: .long 1
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; CHECK-NEXT: .long 0 # 0x0
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; CHECK-NEXT: .long 44
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; CHECK-NEXT: .long 4
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; CHECK-NEXT: .long 64 # 0x40
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; CHECK-NEXT: .long 50 # BTF_KIND_VAR(id = 7)
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; CHECK-NEXT: .long 234881024 # 0xe000000
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; CHECK-NEXT: .long 6
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; CHECK-NEXT: .long 1
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; CHECK-NEXT: .long 59 # BTF_KIND_DATASEC(id = 8)
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; CHECK-NEXT: .long 251658241 # 0xf000001
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; CHECK-NEXT: .long 0
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; CHECK-NEXT: .long 7
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; CHECK-NEXT: .long hash_map
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; CHECK-NEXT: .long 16
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; CHECK-NEXT: .byte 0 # string offset=0
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; CHECK-NEXT: .ascii "key_type" # string offset=1
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; CHECK-NEXT: .byte 0
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; CHECK-NEXT: .byte 97 # string offset=10
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; CHECK-NEXT: .byte 0
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; CHECK-NEXT: .byte 98 # string offset=12
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; CHECK-NEXT: .byte 0
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; CHECK-NEXT: .ascii "int" # string offset=14
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; CHECK-NEXT: .byte 0
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; CHECK-NEXT: .ascii "unsigned int" # string offset=18
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; CHECK-NEXT: .byte 0
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; CHECK-NEXT: .ascii "map_type" # string offset=31
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; CHECK-NEXT: .byte 0
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; CHECK-NEXT: .ascii "key" # string offset=40
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; CHECK-NEXT: .byte 0
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; CHECK-NEXT: .ascii "value" # string offset=44
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; CHECK-NEXT: .byte 0
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; CHECK-NEXT: .ascii "hash_map" # string offset=50
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; CHECK-NEXT: .byte 0
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; CHECK-NEXT: .ascii ".maps" # string offset=59
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; CHECK-NEXT: .byte 0
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!llvm.dbg.cu = !{!2}
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!llvm.module.flags = !{!18, !19, !20}
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!llvm.ident = !{!21}
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!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
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!1 = distinct !DIGlobalVariable(name: "hash_map", scope: !2, file: !3, line: 9, type: !6, isLocal: false, isDefinition: true)
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!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)
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!3 = !DIFile(filename: "t.c", directory: "/tmp/home/yhs/work/tests/llvm")
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!4 = !{}
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!5 = !{!0}
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!6 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "map_type", file: !3, line: 5, size: 128, elements: !7)
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!7 = !{!8, !15}
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!8 = !DIDerivedType(tag: DW_TAG_member, name: "key", scope: !6, file: !3, line: 6, baseType: !9, size: 64)
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!9 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !10, size: 64)
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!10 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "key_type", file: !3, line: 1, size: 64, elements: !11)
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!11 = !{!12, !14}
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!12 = !DIDerivedType(tag: DW_TAG_member, name: "a", scope: !10, file: !3, line: 2, baseType: !13, size: 32)
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!13 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!14 = !DIDerivedType(tag: DW_TAG_member, name: "b", scope: !10, file: !3, line: 3, baseType: !13, size: 32, offset: 32)
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!15 = !DIDerivedType(tag: DW_TAG_member, name: "value", scope: !6, file: !3, line: 7, baseType: !16, size: 64, offset: 64)
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!16 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !17, size: 64)
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!17 = !DIBasicType(name: "unsigned int", size: 32, encoding: DW_ATE_unsigned)
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!18 = !{i32 2, !"Dwarf Version", i32 4}
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!19 = !{i32 2, !"Debug Info Version", i32 3}
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!20 = !{i32 1, !"wchar_size", i32 4}
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!21 = !{!"clang version 9.0.0 (trunk 364157) (llvm/trunk 364156)"}
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