diff options
Diffstat (limited to 'llvm')
| -rw-r--r-- | llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp | 6 | ||||
| -rw-r--r-- | llvm/test/DebugInfo/X86/accel-tables.ll | 49 |
2 files changed, 53 insertions, 2 deletions
diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp index bd40c9ed720..1e098ccfbc9 100644 --- a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp +++ b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp @@ -288,9 +288,11 @@ DwarfDebug::DwarfDebug(AsmPrinter *A, Module *M) else DebuggerTuning = DebuggerKind::GDB; - // Turn on accelerator tables for LLDB by default. + // Turn on accelerator tables by default, if tuning for LLDB and the target is + // supported. if (DwarfAccelTables == Default) - HasDwarfAccelTables = tuneForLLDB(); + HasDwarfAccelTables = + tuneForLLDB() && A->TM.getTargetTriple().isOSBinFormatMachO(); else HasDwarfAccelTables = DwarfAccelTables == Enable; diff --git a/llvm/test/DebugInfo/X86/accel-tables.ll b/llvm/test/DebugInfo/X86/accel-tables.ll new file mode 100644 index 00000000000..ae9de037ee8 --- /dev/null +++ b/llvm/test/DebugInfo/X86/accel-tables.ll @@ -0,0 +1,49 @@ +; Verify the emission of accelerator tables for various targets. + +; Darwin has the tables unless we specifically tune for gdb +; RUN: llc -mtriple=x86_64-apple-darwin12 -filetype=obj < %s | llvm-readobj -sections - | FileCheck --check-prefix=CHECK1 %s +; RUN: llc -mtriple=x86_64-apple-darwin12 -filetype=obj -debugger-tune=gdb < %s | llvm-readobj -sections - | FileCheck --check-prefix=CHECK2 %s + +; Linux does not have the tables even if we explicitly tune for lldb +; RUN: llc -mtriple=x86_64-pc-linux -filetype=obj < %s | llvm-readobj -sections - | FileCheck --check-prefix=CHECK2 %s +; RUN: llc -mtriple=x86_64-pc-linux -filetype=obj -debugger-tune=lldb < %s | llvm-readobj -sections - | FileCheck --check-prefix=CHECK2 %s + +; CHECK1: apple_names + +; CHECK2-NOT: apple_names + +@var = thread_local global i32 0, align 4, !dbg !0 + +; Function Attrs: norecurse nounwind readnone uwtable +define void @_Z3funv() local_unnamed_addr #0 !dbg !11 { + ret void, !dbg !14 +} + +; Function Attrs: norecurse uwtable +define weak_odr hidden i32* @_ZTW3var() local_unnamed_addr #1 { + ret i32* @var +} + +attributes #0 = { norecurse nounwind readnone uwtable } +attributes #1 = { norecurse uwtable } + +!llvm.dbg.cu = !{!2} +!llvm.module.flags = !{!7, !8, !9} +!llvm.ident = !{!10} + +!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) +!1 = distinct !DIGlobalVariable(name: "var", scope: !2, file: !3, line: 1, type: !6, isLocal: false, isDefinition: true) +!2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !3, producer: "clang version 7.0.0 (trunk 322268) (llvm/trunk 322267)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5) +!3 = !DIFile(filename: "debugger-tune.cpp", directory: "/tmp") +!4 = !{} +!5 = !{!0} +!6 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) +!7 = !{i32 2, !"Dwarf Version", i32 4} +!8 = !{i32 2, !"Debug Info Version", i32 3} +!9 = !{i32 1, !"wchar_size", i32 4} +!10 = !{!"clang version 7.0.0 (trunk 322268) (llvm/trunk 322267)"} +!11 = distinct !DISubprogram(name: "fun", linkageName: "_Z3funv", scope: !3, file: !3, line: 2, type: !12, isLocal: false, isDefinition: true, scopeLine: 2, flags: DIFlagPrototyped, isOptimized: true, unit: !2, variables: !4) +!12 = !DISubroutineType(types: !13) +!13 = !{null} +!14 = !DILocation(line: 2, column: 13, scope: !11) + |
