diff options
| -rw-r--r-- | llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp | 2 | ||||
| -rw-r--r-- | llvm/test/DebugInfo/X86/gmlt-empty-base-address.ll | 36 |
2 files changed, 37 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp index 6d62d4b3e69..0a0322f235e 100644 --- a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp +++ b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp @@ -1156,7 +1156,7 @@ void DwarfDebug::finalizeModuleInfo() { // We don't keep track of which addresses are used in which CU so this // is a bit pessimistic under LTO. - if (!AddrPool.isEmpty() && + if ((!AddrPool.isEmpty() || TheCU.hasRangeLists()) && (getDwarfVersion() >= 5 || HasSplitUnit)) U.addAddrTableBase(); diff --git a/llvm/test/DebugInfo/X86/gmlt-empty-base-address.ll b/llvm/test/DebugInfo/X86/gmlt-empty-base-address.ll new file mode 100644 index 00000000000..2c2330ced69 --- /dev/null +++ b/llvm/test/DebugInfo/X86/gmlt-empty-base-address.ll @@ -0,0 +1,36 @@ +; RUN: %llc_dwarf --function-sections < %s -filetype=obj | llvm-dwarfdump -v -debug-info - | FileCheck %s + +; CHECK: DW_AT_ranges [DW_FORM_rnglistx] (indexed (0x0) rangelist = 0x00000010 +; CHECK: [0x0000000000000000, 0x0000000000000006) ".text._Z2f1v" +; CHECK: [0x0000000000000000, 0x0000000000000006) ".text._Z2f2v") +; CHECK: DW_AT_addr_base [DW_FORM_sec_offset] (0x00000008) + + +; Function A +define dso_local void @_Z2f1v() #0 !dbg !7 { + ret void, !dbg !9 +} + +; Function Attrs: noinline nounwind optnone uwtable +define dso_local void @_Z2f2v() #0 !dbg !10 { + ret void, !dbg !11 +} + +attributes #0 = { noinline nounwind optnone uwtable "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"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" } + +!llvm.dbg.cu = !{!0} +!llvm.module.flags = !{!3, !4, !5} +!llvm.ident = !{!6} + +!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 10.0.0 (trunk 371665) (llvm/trunk 371681)", isOptimized: false, runtimeVersion: 0, emissionKind: LineTablesOnly, enums: !2, nameTableKind: None) +!1 = !DIFile(filename: "gmlt-empty-base-address.cpp", directory: "/usr/local/google/home/blaikie/dev/scratch", checksumkind: CSK_MD5, checksum: "74f7c574cd1ba04403967d02e757afeb") +!2 = !{} +!3 = !{i32 2, !"Dwarf Version", i32 5} +!4 = !{i32 2, !"Debug Info Version", i32 3} +!5 = !{i32 1, !"wchar_size", i32 4} +!6 = !{!"clang version 10.0.0 (trunk 371665) (llvm/trunk 371681)"} +!7 = distinct !DISubprogram(name: "f1", scope: !1, file: !1, line: 1, type: !8, scopeLine: 1, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2) +!8 = !DISubroutineType(types: !2) +!9 = !DILocation(line: 2, column: 1, scope: !7) +!10 = distinct !DISubprogram(name: "f2", scope: !1, file: !1, line: 3, type: !8, scopeLine: 3, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2) +!11 = !DILocation(line: 4, column: 1, scope: !10) |
