diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp --- a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp +++ b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp @@ -2246,6 +2246,10 @@ if (!TheCU.getCUNode()->getDebugInfoForProfiling() && TheCU.getCUNode()->getEmissionKind() == DICompileUnit::LineTablesOnly && LScopes.getAbstractScopesList().empty() && !IsDarwin) { + for (const auto &R : Asm->MBBSectionRanges) + TheCU.getDwarfDebug().addArangeLabel( + SymbolCU(&TheCU, R.second.BeginLabel)); + assert(InfoHolder.getScopeVariables().empty()); PrevLabel = nullptr; CurFn = nullptr; diff --git a/llvm/test/DebugInfo/X86/dwarf-aranges-g1.ll b/llvm/test/DebugInfo/X86/dwarf-aranges-g1.ll new file mode 100644 --- /dev/null +++ b/llvm/test/DebugInfo/X86/dwarf-aranges-g1.ll @@ -0,0 +1,103 @@ +; REQUIRES: system-linux +; RUN: llc -O0 --function-sections --generate-arange-section -filetype=obj %s -o %tmain.obj +; RUN: llvm-dwarfdump --debug-info %tmain.obj > %tmain.txt +; RUN: llvm-dwarfdump --debug-aranges %tmain.obj >> %tmain.txt +; RUN: cat %tmain.txt | FileCheck --check-prefix=CHECK %s + +; CHECK: DW_AT_ranges +; CHECK-NEXT: [0x[[#%.16x,ADDR:]], 0x[[#%.16x,ADDR1:]]) +; CHECK-NEXT: [0x[[#%.16x,ADDR2:]], 0x[[#%.16x,ADDR3:]]) +; CHECK-NEXT: [0x[[#%.16x,ADDR4:]], 0x[[#%.16x,ADDR5:]]) + +; CHECK: Address Range Header +; CHECK-NEXT: [0x[[#ADDR]], 0x[[#ADDR1]]) +; CHECK-NEXT: [0x[[#ADDR2]], 0x[[#ADDR3]]) +; CHECK-NEXT: [0x[[#ADDR4]], 0x[[#ADDR5]]) + +; ModuleID = 'example.cpp' +source_filename = "example.cpp" +target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" +target triple = "x86_64-unknown-linux-gnu" + +%struct.S = type { ptr } + +@GlobalConst = dso_local global i32 42, align 4 +@Global = dso_local global i32 0, align 4 +@s = dso_local global %struct.S zeroinitializer, align 8 + +; Function Attrs: alwaysinline mustprogress nounwind uwtable +define dso_local noundef i32 @_Z6squarei(i32 noundef %i) #0 !dbg !10 { +entry: + %i.addr = alloca i32, align 4 + store i32 %i, ptr %i.addr, align 4 + %0 = load i32, ptr %i.addr, align 4, !dbg !13 + %1 = load i32, ptr %i.addr, align 4, !dbg !14 + %mul = mul nsw i32 %0, %1, !dbg !15 + ret i32 %mul, !dbg !16 +} + +; Function Attrs: mustprogress noinline nounwind optnone uwtable +define dso_local noundef i32 @_Z4cubei(i32 noundef %i) #1 !dbg !17 { +entry: + %i.addr.i = alloca i32, align 4 + %i.addr = alloca i32, align 4 + %squared = alloca i32, align 4 + store i32 %i, ptr %i.addr, align 4 + %0 = load i32, ptr %i.addr, align 4, !dbg !18 + store i32 %0, ptr %i.addr.i, align 4 + %1 = load i32, ptr %i.addr.i, align 4, !dbg !19 + %2 = load i32, ptr %i.addr.i, align 4, !dbg !21 + %mul.i = mul nsw i32 %1, %2, !dbg !22 + store i32 %mul.i, ptr %squared, align 4, !dbg !23 + %3 = load i32, ptr %squared, align 4, !dbg !24 + %4 = load i32, ptr %i.addr, align 4, !dbg !25 + %mul = mul nsw i32 %3, %4, !dbg !26 + ret i32 %mul, !dbg !27 +} + +; Function Attrs: mustprogress noinline norecurse nounwind optnone uwtable +define dso_local noundef i32 @main() #2 !dbg !28 { +entry: + %retval = alloca i32, align 4 + store i32 0, ptr %retval, align 4 + ret i32 0, !dbg !29 +} + +attributes #0 = { alwaysinline mustprogress nounwind uwtable "frame-pointer"="all" "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" } +attributes #1 = { mustprogress noinline nounwind optnone uwtable "frame-pointer"="all" "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" } +attributes #2 = { mustprogress noinline norecurse nounwind optnone uwtable "frame-pointer"="all" "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" } + +!llvm.dbg.cu = !{!0} +!llvm.module.flags = !{!2, !3, !4, !5, !6, !7, !8} +!llvm.ident = !{!9} + +!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !1, producer: "clang version 16.0.0 (ssh://git.vip.facebook.com/data/gitrepos/osmeta/external/llvm-project a312c5cce360203b4b24757e1e69738f8b3f2ec1)", isOptimized: false, runtimeVersion: 0, emissionKind: LineTablesOnly, splitDebugInlining: false, nameTableKind: None) +!1 = !DIFile(filename: "example.cpp", directory: "/home/ayermolo/local/tasks/T135045276/examples") +!2 = !{i32 7, !"Dwarf Version", i32 4} +!3 = !{i32 2, !"Debug Info Version", i32 3} +!4 = !{i32 1, !"wchar_size", i32 4} +!5 = !{i32 8, !"PIC Level", i32 2} +!6 = !{i32 7, !"PIE Level", i32 2} +!7 = !{i32 7, !"uwtable", i32 2} +!8 = !{i32 7, !"frame-pointer", i32 2} +!9 = !{!"clang version 16.0.0 (ssh://git.vip.facebook.com/data/gitrepos/osmeta/external/llvm-project a312c5cce360203b4b24757e1e69738f8b3f2ec1)"} +!10 = distinct !DISubprogram(name: "square", scope: !1, file: !1, line: 11, type: !11, scopeLine: 11, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !12) +!11 = !DISubroutineType(types: !12) +!12 = !{} +!13 = !DILocation(line: 11, column: 59, scope: !10) +!14 = !DILocation(line: 11, column: 63, scope: !10) +!15 = !DILocation(line: 11, column: 61, scope: !10) +!16 = !DILocation(line: 11, column: 52, scope: !10) +!17 = distinct !DISubprogram(name: "cube", scope: !1, file: !1, line: 12, type: !11, scopeLine: 12, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !12) +!18 = !DILocation(line: 13, column: 24, scope: !17) +!19 = !DILocation(line: 11, column: 59, scope: !10, inlinedAt: !20) +!20 = distinct !DILocation(line: 13, column: 17, scope: !17) +!21 = !DILocation(line: 11, column: 63, scope: !10, inlinedAt: !20) +!22 = !DILocation(line: 11, column: 61, scope: !10, inlinedAt: !20) +!23 = !DILocation(line: 13, column: 7, scope: !17) +!24 = !DILocation(line: 14, column: 10, scope: !17) +!25 = !DILocation(line: 14, column: 18, scope: !17) +!26 = !DILocation(line: 14, column: 17, scope: !17) +!27 = !DILocation(line: 14, column: 3, scope: !17) +!28 = distinct !DISubprogram(name: "main", scope: !1, file: !1, line: 17, type: !11, scopeLine: 17, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !12) +!29 = !DILocation(line: 18, column: 3, scope: !28)