1 ; RUN: llc -march=bpfel -filetype=asm -o - %s | FileCheck -check-prefixes=CHECK %s
2 ; RUN: llc -march=bpfeb -filetype=asm -o - %s | FileCheck -check-prefixes=CHECK %s
11 ; extern const void bla2;
13 ; const ptr x = &bla2;
17 ; clang -target bpf -O2 -g -S -emit-llvm t.c
19 @bla1 = external dso_local global i8, align 1, !dbg !0
20 @bla2 = external dso_local constant i8, align 1, !dbg !6
22 ; Function Attrs: norecurse nounwind readnone
23 define dso_local nonnull ptr @test1() local_unnamed_addr #0 !dbg !13 {
25 call void @llvm.dbg.value(metadata ptr @bla1, metadata !18, metadata !DIExpression()), !dbg !19
26 ret ptr @bla1, !dbg !20
29 ; Function Attrs: norecurse nounwind readnone
30 define dso_local nonnull ptr @test2() local_unnamed_addr #0 !dbg !21 {
32 call void @llvm.dbg.value(metadata ptr @bla2, metadata !26, metadata !DIExpression()), !dbg !27
33 ret ptr @bla2, !dbg !28
37 ; CHECK-NEXT: DW_TAG_variable
40 ; CHECK-NEXT: DW_TAG_const_type
42 ; Function Attrs: nounwind readnone speculatable willreturn
43 declare void @llvm.dbg.value(metadata, metadata, metadata) #1
45 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" }
46 attributes #1 = { nounwind readnone speculatable willreturn }
49 !llvm.module.flags = !{!9, !10, !11}
52 !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
53 !1 = distinct !DIGlobalVariable(name: "bla1", scope: !2, file: !3, line: 1, isLocal: false, isDefinition: false)
54 !2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 11.0.0 (https://github.com/llvm/llvm-project.git 8a8c6913a931e8bbd119012f4badd81155a0f48a)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5, splitDebugInlining: false, nameTableKind: None)
55 !3 = !DIFile(filename: "t.c", directory: "/home/yhs/tmp3")
58 !6 = !DIGlobalVariableExpression(var: !7, expr: !DIExpression())
59 !7 = distinct !DIGlobalVariable(name: "bla2", scope: !2, file: !3, line: 7, type: !8, isLocal: false, isDefinition: false)
60 !8 = !DIDerivedType(tag: DW_TAG_const_type, baseType: null)
61 !9 = !{i32 7, !"Dwarf Version", i32 4}
62 !10 = !{i32 2, !"Debug Info Version", i32 3}
63 !11 = !{i32 1, !"wchar_size", i32 4}
64 !12 = !{!"clang version 11.0.0 (https://github.com/llvm/llvm-project.git 8a8c6913a931e8bbd119012f4badd81155a0f48a)"}
65 !13 = distinct !DISubprogram(name: "test1", scope: !3, file: !3, line: 2, type: !14, scopeLine: 2, flags: DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !17)
66 !14 = !DISubroutineType(types: !15)
68 !16 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 64)
70 !18 = !DILocalVariable(name: "x", scope: !13, file: !3, line: 3, type: !16)
71 !19 = !DILocation(line: 0, scope: !13)
72 !20 = !DILocation(line: 4, column: 3, scope: !13)
73 !21 = distinct !DISubprogram(name: "test2", scope: !3, file: !3, line: 8, type: !22, scopeLine: 8, flags: DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !25)
74 !22 = !DISubroutineType(types: !23)
76 !24 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !8, size: 64)
78 !26 = !DILocalVariable(name: "x", scope: !21, file: !3, line: 9, type: !24)
79 !27 = !DILocation(line: 0, scope: !21)
80 !28 = !DILocation(line: 10, column: 3, scope: !21)