1 ; RUN: llc -mtriple=bpfel -filetype=asm -o - %s | FileCheck -check-prefixes=CHECK %s
2 ; RUN: llc -mtriple=bpfeb -filetype=asm -o - %s | FileCheck -check-prefixes=CHECK %s
5 ; struct s1 { const struct tt *mp; };
6 ; int test1(struct s1 *arg)
11 ; struct tt { int m1; int m2; };
12 ; struct s2 { const struct tt m3; };
13 ; int test2(struct s2 *arg)
18 ; clang -target bpf -O2 -g -S -emit-llvm t.c
20 %struct.s1 = type { ptr }
21 %struct.tt = type { i32, i32 }
22 %struct.s2 = type { %struct.tt }
24 ; Function Attrs: norecurse nounwind readnone
25 define dso_local i32 @test1(ptr nocapture readnone %arg) local_unnamed_addr #0 !dbg !7 {
27 call void @llvm.dbg.value(metadata ptr %arg, metadata !22, metadata !DIExpression()), !dbg !23
31 ; Function Attrs: norecurse nounwind readonly
32 define dso_local i32 @test2(ptr nocapture readonly %arg) local_unnamed_addr #1 !dbg !25 {
34 call void @llvm.dbg.value(metadata ptr %arg, metadata !33, metadata !DIExpression()), !dbg !34
35 %0 = load i32, ptr %arg, align 4, !dbg !35, !tbaa !36
39 ; CHECK: .long 0 # BTF_KIND_CONST(id = 4)
40 ; CHECK-NEXT: .long 167772160 # 0xa000000
41 ; CHECK-NEXT: .long 10
43 ; CHECK: .long 60 # BTF_KIND_STRUCT(id = 9)
44 ; CHECK-NEXT: .long 67108865 # 0x4000001
46 ; CHECK-NEXT: .long 63
48 ; CHECK-NEXT: .long 0 # 0x0
50 ; CHECK: .long 66 # BTF_KIND_STRUCT(id = 10)
51 ; CHECK-NEXT: .long 67108866 # 0x4000002
53 ; CHECK-NEXT: .long 69
55 ; CHECK-NEXT: .long 0 # 0x0
56 ; CHECK-NEXT: .long 72
58 ; CHECK-NEXT: .long 32 # 0x20
60 ; CHECK: .ascii "s2" # string offset=60
61 ; CHECK: .ascii "m3" # string offset=63
62 ; CHECK: .ascii "tt" # string offset=66
63 ; CHECK: .ascii "m1" # string offset=69
64 ; CHECK: .ascii "m2" # string offset=72
66 ; Function Attrs: nounwind readnone speculatable willreturn
67 declare void @llvm.dbg.value(metadata, metadata, metadata) #2
69 attributes #0 = { norecurse nounwind readnone "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "frame-pointer"="all" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
70 attributes #1 = { norecurse nounwind readonly "correctly-rounded-divide-sqrt-fp-math"="false" "disable-tail-calls"="false" "frame-pointer"="all" "less-precise-fpmad"="false" "min-legal-vector-width"="0" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "no-signed-zeros-fp-math"="false" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
71 attributes #2 = { nounwind readnone speculatable willreturn }
74 !llvm.module.flags = !{!3, !4, !5}
77 !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 11.0.0 (https://github.com/llvm/llvm-project.git 7cfd267c518aba226b34b7fbfe8db70000b22053)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, splitDebugInlining: false, nameTableKind: None)
78 !1 = !DIFile(filename: "t.c", directory: "/tmp/home/yhs/work/tests/btf")
80 !3 = !{i32 7, !"Dwarf Version", i32 4}
81 !4 = !{i32 2, !"Debug Info Version", i32 3}
82 !5 = !{i32 1, !"wchar_size", i32 4}
83 !6 = !{!"clang version 11.0.0 (https://github.com/llvm/llvm-project.git 7cfd267c518aba226b34b7fbfe8db70000b22053)"}
84 !7 = distinct !DISubprogram(name: "test1", scope: !1, file: !1, line: 3, type: !8, scopeLine: 4, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !21)
85 !8 = !DISubroutineType(types: !9)
87 !10 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
88 !11 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !12, size: 64)
89 !12 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "s1", file: !1, line: 2, size: 64, elements: !13)
91 !14 = !DIDerivedType(tag: DW_TAG_member, name: "mp", scope: !12, file: !1, line: 2, baseType: !15, size: 64)
92 !15 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !16, size: 64)
93 !16 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !17)
94 !17 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "tt", file: !1, line: 8, size: 64, elements: !18)
96 !19 = !DIDerivedType(tag: DW_TAG_member, name: "m1", scope: !17, file: !1, line: 8, baseType: !10, size: 32)
97 !20 = !DIDerivedType(tag: DW_TAG_member, name: "m2", scope: !17, file: !1, line: 8, baseType: !10, size: 32, offset: 32)
99 !22 = !DILocalVariable(name: "arg", arg: 1, scope: !7, file: !1, line: 3, type: !11)
100 !23 = !DILocation(line: 0, scope: !7)
101 !24 = !DILocation(line: 5, column: 3, scope: !7)
102 !25 = distinct !DISubprogram(name: "test2", scope: !1, file: !1, line: 10, type: !26, scopeLine: 11, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !32)
103 !26 = !DISubroutineType(types: !27)
105 !28 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !29, size: 64)
106 !29 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "s2", file: !1, line: 9, size: 64, elements: !30)
108 !31 = !DIDerivedType(tag: DW_TAG_member, name: "m3", scope: !29, file: !1, line: 9, baseType: !16, size: 64)
110 !33 = !DILocalVariable(name: "arg", arg: 1, scope: !25, file: !1, line: 10, type: !28)
111 !34 = !DILocation(line: 0, scope: !25)
112 !35 = !DILocation(line: 12, column: 18, scope: !25)
113 !36 = !{!37, !39, i64 0}
114 !37 = !{!"s2", !38, i64 0}
115 !38 = !{!"tt", !39, i64 0, !39, i64 4}
116 !39 = !{!"int", !40, i64 0}
117 !40 = !{!"omnipotent char", !41, i64 0}
118 !41 = !{!"Simple C/C++ TBAA"}
119 !42 = !DILocation(line: 12, column: 3, scope: !25)