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 3; 4; Source code: 5; extern void bla1; 6; void *test1() { 7; void *x = &bla1; 8; return x; 9; } 10; 11; extern const void bla2; 12; const void *test2() { 13; const void *x = &bla2; 14; return x; 15; } 16; Compilation flag: 17; clang -target bpf -O2 -g -S -emit-llvm t.c 18 19@bla1 = external dso_local global i8, align 1, !dbg !0 20@bla2 = external dso_local constant i8, align 1, !dbg !6 21 22; Function Attrs: norecurse nounwind readnone 23define dso_local nonnull i8* @test1() local_unnamed_addr #0 !dbg !13 { 24entry: 25 call void @llvm.dbg.value(metadata i8* @bla1, metadata !18, metadata !DIExpression()), !dbg !19 26 ret i8* @bla1, !dbg !20 27} 28 29; Function Attrs: norecurse nounwind readnone 30define dso_local nonnull i8* @test2() local_unnamed_addr #0 !dbg !21 { 31entry: 32 call void @llvm.dbg.value(metadata i8* @bla2, metadata !26, metadata !DIExpression()), !dbg !27 33 ret i8* @bla2, !dbg !28 34} 35 36; CHECK: .quad bla1 37; CHECK-NEXT: DW_TAG_variable 38; 39; CHECK: .quad bla2 40; CHECK-NEXT: DW_TAG_const_type 41; CHECK-NEXT: DW_TAG_subprogram 42 43; Function Attrs: nounwind readnone speculatable willreturn 44declare void @llvm.dbg.value(metadata, metadata, metadata) #1 45 46attributes #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" } 47attributes #1 = { nounwind readnone speculatable willreturn } 48 49!llvm.dbg.cu = !{!2} 50!llvm.module.flags = !{!9, !10, !11} 51!llvm.ident = !{!12} 52 53!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) 54!1 = distinct !DIGlobalVariable(name: "bla1", scope: !2, file: !3, line: 1, isLocal: false, isDefinition: false) 55!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) 56!3 = !DIFile(filename: "t.c", directory: "/home/yhs/tmp3") 57!4 = !{} 58!5 = !{!0, !6} 59!6 = !DIGlobalVariableExpression(var: !7, expr: !DIExpression()) 60!7 = distinct !DIGlobalVariable(name: "bla2", scope: !2, file: !3, line: 7, type: !8, isLocal: false, isDefinition: false) 61!8 = !DIDerivedType(tag: DW_TAG_const_type, baseType: null) 62!9 = !{i32 7, !"Dwarf Version", i32 4} 63!10 = !{i32 2, !"Debug Info Version", i32 3} 64!11 = !{i32 1, !"wchar_size", i32 4} 65!12 = !{!"clang version 11.0.0 (https://github.com/llvm/llvm-project.git 8a8c6913a931e8bbd119012f4badd81155a0f48a)"} 66!13 = distinct !DISubprogram(name: "test1", scope: !3, file: !3, line: 2, type: !14, scopeLine: 2, flags: DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !17) 67!14 = !DISubroutineType(types: !15) 68!15 = !{!16} 69!16 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 64) 70!17 = !{!18} 71!18 = !DILocalVariable(name: "x", scope: !13, file: !3, line: 3, type: !16) 72!19 = !DILocation(line: 0, scope: !13) 73!20 = !DILocation(line: 4, column: 3, scope: !13) 74!21 = distinct !DISubprogram(name: "test2", scope: !3, file: !3, line: 8, type: !22, scopeLine: 8, flags: DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !25) 75!22 = !DISubroutineType(types: !23) 76!23 = !{!24} 77!24 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !8, size: 64) 78!25 = !{!26} 79!26 = !DILocalVariable(name: "x", scope: !21, file: !3, line: 9, type: !24) 80!27 = !DILocation(line: 0, scope: !21) 81!28 = !DILocation(line: 10, column: 3, scope: !21) 82