| ; 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: |
| ; struct tt; |
| ; typedef struct tt _tt; |
| ; typedef _tt __tt; |
| ; struct s1 { __tt *mp; }; |
| ; int test1(struct s1 *arg) |
| ; { |
| ; return 0; |
| ; } |
| ; |
| ; struct tt { int m1; int m2; }; |
| ; struct s2 { __tt m3; }; |
| ; int test2(struct s2 *arg) |
| ; { |
| ; return arg->m3.m1; |
| ; } |
| ; Compilation flags: |
| ; clang -target bpf -O2 -g -S -emit-llvm t.c |
| |
| %struct.s1 = type { %struct.tt* } |
| %struct.tt = type { i32, i32 } |
| %struct.s2 = type { %struct.tt } |
| |
| ; Function Attrs: norecurse nounwind readnone |
| define dso_local i32 @test1(%struct.s1* nocapture readnone %arg) local_unnamed_addr #0 !dbg !7 { |
| entry: |
| call void @llvm.dbg.value(metadata %struct.s1* %arg, metadata !23, metadata !DIExpression()), !dbg !24 |
| ret i32 0, !dbg !25 |
| } |
| |
| ; Function Attrs: norecurse nounwind readonly |
| define dso_local i32 @test2(%struct.s2* nocapture readonly %arg) local_unnamed_addr #1 !dbg !26 { |
| entry: |
| call void @llvm.dbg.value(metadata %struct.s2* %arg, metadata !34, metadata !DIExpression()), !dbg !35 |
| %m1 = getelementptr inbounds %struct.s2, %struct.s2* %arg, i64 0, i32 0, i32 0, !dbg !36 |
| %0 = load i32, i32* %m1, align 4, !dbg !36, !tbaa !37 |
| ret i32 %0, !dbg !43 |
| } |
| |
| ; CHECK: .long 7 # BTF_KIND_TYPEDEF(id = 4) |
| ; CHECK-NEXT: .long 134217728 # 0x8000000 |
| ; CHECK-NEXT: .long 5 |
| ; CHECK-NEXT: .long 12 # BTF_KIND_TYPEDEF(id = 5) |
| ; CHECK-NEXT: .long 134217728 # 0x8000000 |
| ; CHECK-NEXT: .long 11 |
| |
| ; CHECK: .long 69 # BTF_KIND_STRUCT(id = 10) |
| ; CHECK-NEXT: .long 67108865 # 0x4000001 |
| ; CHECK-NEXT: .long 8 |
| ; CHECK-NEXT: .long 72 |
| ; CHECK-NEXT: .long 4 |
| ; CHECK-NEXT: .long 0 # 0x0 |
| |
| ; CHECK: .long 75 # BTF_KIND_STRUCT(id = 11) |
| ; CHECK-NEXT: .long 67108866 # 0x4000002 |
| ; CHECK-NEXT: .long 8 |
| ; CHECK-NEXT: .long 78 |
| ; CHECK-NEXT: .long 7 |
| ; CHECK-NEXT: .long 0 # 0x0 |
| ; CHECK-NEXT: .long 81 |
| ; CHECK-NEXT: .long 7 |
| ; CHECK-NEXT: .long 32 # 0x20 |
| |
| ; CHECK: .ascii "__tt" # string offset=7 |
| ; CHECK: .ascii "_tt" # string offset=12 |
| ; CHECK: .ascii "s2" # string offset=69 |
| ; CHECK: .ascii "m3" # string offset=72 |
| ; CHECK: .ascii "tt" # string offset=75 |
| ; CHECK: .ascii "m1" # string offset=78 |
| ; CHECK: .ascii "m2" # string offset=81 |
| |
| ; Function Attrs: nounwind readnone speculatable willreturn |
| declare void @llvm.dbg.value(metadata, metadata, metadata) #2 |
| |
| 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" } |
| 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" } |
| attributes #2 = { nounwind readnone speculatable willreturn } |
| |
| !llvm.dbg.cu = !{!0} |
| !llvm.module.flags = !{!3, !4, !5} |
| !llvm.ident = !{!6} |
| |
| !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) |
| !1 = !DIFile(filename: "t.c", directory: "/tmp/home/yhs/work/tests/btf") |
| !2 = !{} |
| !3 = !{i32 7, !"Dwarf Version", i32 4} |
| !4 = !{i32 2, !"Debug Info Version", i32 3} |
| !5 = !{i32 1, !"wchar_size", i32 4} |
| !6 = !{!"clang version 11.0.0 (https://github.com/llvm/llvm-project.git 7cfd267c518aba226b34b7fbfe8db70000b22053)"} |
| !7 = distinct !DISubprogram(name: "test1", scope: !1, file: !1, line: 5, type: !8, scopeLine: 6, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !22) |
| !8 = !DISubroutineType(types: !9) |
| !9 = !{!10, !11} |
| !10 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) |
| !11 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !12, size: 64) |
| !12 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "s1", file: !1, line: 4, size: 64, elements: !13) |
| !13 = !{!14} |
| !14 = !DIDerivedType(tag: DW_TAG_member, name: "mp", scope: !12, file: !1, line: 4, baseType: !15, size: 64) |
| !15 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !16, size: 64) |
| !16 = !DIDerivedType(tag: DW_TAG_typedef, name: "__tt", file: !1, line: 3, baseType: !17) |
| !17 = !DIDerivedType(tag: DW_TAG_typedef, name: "_tt", file: !1, line: 2, baseType: !18) |
| !18 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "tt", file: !1, line: 10, size: 64, elements: !19) |
| !19 = !{!20, !21} |
| !20 = !DIDerivedType(tag: DW_TAG_member, name: "m1", scope: !18, file: !1, line: 10, baseType: !10, size: 32) |
| !21 = !DIDerivedType(tag: DW_TAG_member, name: "m2", scope: !18, file: !1, line: 10, baseType: !10, size: 32, offset: 32) |
| !22 = !{!23} |
| !23 = !DILocalVariable(name: "arg", arg: 1, scope: !7, file: !1, line: 5, type: !11) |
| !24 = !DILocation(line: 0, scope: !7) |
| !25 = !DILocation(line: 7, column: 3, scope: !7) |
| !26 = distinct !DISubprogram(name: "test2", scope: !1, file: !1, line: 12, type: !27, scopeLine: 13, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !33) |
| !27 = !DISubroutineType(types: !28) |
| !28 = !{!10, !29} |
| !29 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !30, size: 64) |
| !30 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "s2", file: !1, line: 11, size: 64, elements: !31) |
| !31 = !{!32} |
| !32 = !DIDerivedType(tag: DW_TAG_member, name: "m3", scope: !30, file: !1, line: 11, baseType: !16, size: 64) |
| !33 = !{!34} |
| !34 = !DILocalVariable(name: "arg", arg: 1, scope: !26, file: !1, line: 12, type: !29) |
| !35 = !DILocation(line: 0, scope: !26) |
| !36 = !DILocation(line: 14, column: 18, scope: !26) |
| !37 = !{!38, !40, i64 0} |
| !38 = !{!"s2", !39, i64 0} |
| !39 = !{!"tt", !40, i64 0, !40, i64 4} |
| !40 = !{!"int", !41, i64 0} |
| !41 = !{!"omnipotent char", !42, i64 0} |
| !42 = !{!"Simple C/C++ TBAA"} |
| !43 = !DILocation(line: 14, column: 3, scope: !26) |
