[llvm][DebugInfo] Add support for emitting DW_AT_language_version #163147
+77 −10
Conversation
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters. Learn more about bidirectional Unicode characters
… support to DICompileUnit
(cherry picked from commit 0a859b8)
| @llvm/pr-subscribers-debuginfo Author: Michael Buch (Michael137) ChangesDepends on: Emit Full diff: https://github.com/llvm/llvm-project/pull/163147.diff 8 Files Affected:
diff --git a/llvm/lib/AsmParser/LLParser.cpp b/llvm/lib/AsmParser/LLParser.cpp index 380b19296a3c4..bb9f8442610d8 100644 --- a/llvm/lib/AsmParser/LLParser.cpp +++ b/llvm/lib/AsmParser/LLParser.cpp @@ -5865,6 +5865,7 @@ bool LLParser::parseDICompileUnit(MDNode *&Result, bool IsDistinct) { REQUIRED(file, MDField, (/* AllowNull */ false)); \ OPTIONAL(language, DwarfLangField, ); \ OPTIONAL(sourceLanguageName, DwarfSourceLangNameField, ); \ + OPTIONAL(sourceLanguageVersion, MDUnsignedField, (0, UINT32_MAX)); \ OPTIONAL(producer, MDStringField, ); \ OPTIONAL(isOptimized, MDBoolField, ); \ OPTIONAL(flags, MDStringField, ); \ @@ -5894,10 +5895,15 @@ bool LLParser::parseDICompileUnit(MDNode *&Result, bool IsDistinct) { return error(Loc, "can only specify one of 'language' and " "'sourceLanguageName' on !DICompileUnit"); + if (sourceLanguageVersion.Seen && !sourceLanguageName.Seen) + return error(Loc, "'sourceLanguageVersion' requires an associated " + "'sourceLanguageName' on !DICompileUnit"); + Result = DICompileUnit::getDistinct( Context, language.Seen ? DISourceLanguageName(language.Val) - : DISourceLanguageName(sourceLanguageName.Val, 0), + : DISourceLanguageName(sourceLanguageName.Val, + sourceLanguageVersion.Val), file.Val, producer.Val, isOptimized.Val, flags.Val, runtimeVersion.Val, splitDebugFilename.Val, emissionKind.Val, enums.Val, retainedTypes.Val, globals.Val, imports.Val, macros.Val, dwoId.Val, splitDebugInlining.Val, diff --git a/llvm/lib/Bitcode/Reader/MetadataLoader.cpp b/llvm/lib/Bitcode/Reader/MetadataLoader.cpp index cdcf7a80ffac7..ed0443f599a44 100644 --- a/llvm/lib/Bitcode/Reader/MetadataLoader.cpp +++ b/llvm/lib/Bitcode/Reader/MetadataLoader.cpp @@ -1860,7 +1860,7 @@ Error MetadataLoader::MetadataLoaderImpl::parseOneMetadata( break; } case bitc::METADATA_COMPILE_UNIT: { - if (Record.size() < 14 || Record.size() > 22) + if (Record.size() < 14 || Record.size() > 23) return error("Invalid record"); // Ignore Record[0], which indicates whether this compile unit is @@ -1869,11 +1869,13 @@ Error MetadataLoader::MetadataLoaderImpl::parseOneMetadata( const auto LangVersionMask = (uint64_t(1) << 63); const bool HasVersionedLanguage = Record[1] & LangVersionMask; + const uint32_t LanguageVersion = Record.size() > 22 ? Record[22] : 0; auto *CU = DICompileUnit::getDistinct( Context, HasVersionedLanguage - ? DISourceLanguageName(Record[1] & ~LangVersionMask, 0) + ? DISourceLanguageName(Record[1] & ~LangVersionMask, + LanguageVersion) : DISourceLanguageName(Record[1]), getMDOrNull(Record[2]), getMDString(Record[3]), Record[4], getMDString(Record[5]), Record[6], getMDString(Record[7]), Record[8], diff --git a/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp b/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp index 54e916e2dcfe1..8ff3aa9817571 100644 --- a/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp +++ b/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp @@ -2142,6 +2142,7 @@ void ModuleBitcodeWriter::writeDICompileUnit(const DICompileUnit *N, Record.push_back(N->getRangesBaseAddress()); Record.push_back(VE.getMetadataOrNullID(N->getRawSysRoot())); Record.push_back(VE.getMetadataOrNullID(N->getRawSDK())); + Record.push_back(Lang.hasVersionedName() ? Lang.getVersion() : 0); Stream.EmitRecord(bitc::METADATA_COMPILE_UNIT, Record, Abbrev); Record.clear(); diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp index 433877f3a8b98..526b3130f317a 100644 --- a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp +++ b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp @@ -1039,12 +1039,18 @@ void DwarfDebug::finishUnitAttributes(const DICompileUnit *DIUnit, } else NewCU.addString(Die, dwarf::DW_AT_producer, Producer); - if (auto Lang = DIUnit->getSourceLanguage(); Lang.hasVersionedName()) + if (auto Lang = DIUnit->getSourceLanguage(); Lang.hasVersionedName()) { NewCU.addUInt(Die, dwarf::DW_AT_language_name, dwarf::DW_FORM_data2, Lang.getName()); - else + + if (uint32_t LangVersion = Lang.getVersion(); + LangVersion != 0) + NewCU.addUInt(Die, dwarf::DW_AT_language_version, /*Form=*/std::nullopt, + LangVersion); + } else { NewCU.addUInt(Die, dwarf::DW_AT_language, dwarf::DW_FORM_data2, Lang.getName()); + } NewCU.addString(Die, dwarf::DW_AT_name, FN); StringRef SysRoot = DIUnit->getSysRoot(); diff --git a/llvm/lib/IR/AsmWriter.cpp b/llvm/lib/IR/AsmWriter.cpp index 2430d988ddb04..3908a78f48412 100644 --- a/llvm/lib/IR/AsmWriter.cpp +++ b/llvm/lib/IR/AsmWriter.cpp @@ -2374,16 +2374,21 @@ static void writeDICompileUnit(raw_ostream &Out, const DICompileUnit *N, Out << "!DICompileUnit("; MDFieldPrinter Printer(Out, WriterCtx); - auto Lang = N->getSourceLanguage(); - if (Lang.hasVersionedName()) + DISourceLanguageName Lang = N->getSourceLanguage(); + + if (Lang.hasVersionedName()) { Printer.printDwarfEnum( "sourceLanguageName", static_cast<llvm::dwarf::SourceLanguageName>(Lang.getName()), dwarf::SourceLanguageNameString, /* ShouldSkipZero */ false); - else + + Printer.printInt("sourceLanguageVersion", Lang.getVersion(), + /*ShouldSkipZero=*/true); + } else { Printer.printDwarfEnum("language", Lang.getName(), dwarf::LanguageString, /* ShouldSkipZero */ false); + } Printer.printMetadata("file", N->getRawFile(), /* ShouldSkipNull */ false); Printer.printString("producer", N->getProducer()); diff --git a/llvm/test/Assembler/dicompileunit-invalid-language-version.ll b/llvm/test/Assembler/dicompileunit-invalid-language-version.ll new file mode 100644 index 0000000000000..b3794ac749f60 --- /dev/null +++ b/llvm/test/Assembler/dicompileunit-invalid-language-version.ll @@ -0,0 +1,25 @@ +; RUN: split-file %s %t +; RUN: not llvm-as < %t/dw_lang_with_version.ll -disable-output 2>&1 | FileCheck %s --check-prefix=WRONG-ATTR +; RUN: not llvm-as < %t/overflow.ll -disable-output 2>&1 | FileCheck %s --check-prefix=OVERFLOW +; RUN: not llvm-as < %t/version_without_name.ll -disable-output 2>&1 | FileCheck %s --check-prefix=NO-NAME +; RUN: not llvm-as < %t/negative.ll -disable-output 2>&1 | FileCheck %s --check-prefix=NEGATIVE + +; WRONG-ATTR: error: 'sourceLanguageVersion' requires an associated 'sourceLanguageName' on !DICompileUnit +; OVERFLOW: error: value for 'sourceLanguageVersion' too large, limit is 4294967295 +; NEGATIVE: error: expected unsigned integer +; NO-NAME: error: missing one of 'language' or 'sourceLanguageName', required for !DICompileUnit + +;--- dw_lang_with_version.ll +!0 = distinct !DICompileUnit(language: DW_LANG_C, sourceLanguageVersion: 1, + file: !DIFile(filename: "", directory: "")) + +;--- overflow.ll +!0 = distinct !DICompileUnit(sourceLanguageName: DW_LNAME_C, sourceLanguageVersion: 4294967298) + +;--- negative.ll +!0 = distinct !DICompileUnit(sourceLanguageName: DW_LNAME_C, sourceLanguageVersion: -1, + file: !DIFile(filename: "", directory: "")) + +;--- version_without_name.ll +!0 = distinct !DICompileUnit(sourceLanguageVersion: 1, + file: !DIFile(filename: "", directory: "")) diff --git a/llvm/test/Bitcode/dwarf-source-language-version.ll b/llvm/test/Bitcode/dwarf-source-language-version.ll new file mode 100644 index 0000000000000..311afd5a99afe --- /dev/null +++ b/llvm/test/Bitcode/dwarf-source-language-version.ll @@ -0,0 +1,17 @@ +; RUN: llvm-as < %s | llvm-dis | llvm-as | llvm-dis | FileCheck %s --implicit-check-not "sourceLanguageVersion: 0" + +; CHECK: sourceLanguageVersion: 120 + +source_filename = "cu.cpp" +target triple = "arm64-apple-macosx" + +!llvm.dbg.cu = !{!0, !5} +!llvm.module.flags = !{!3, !4} + +!0 = distinct !DICompileUnit(sourceLanguageName: DW_LNAME_ObjC_plus_plus, sourceLanguageVersion: 120, file: !1, producer: "handwritten", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, globals: !2, splitDebugInlining: false, nameTableKind: Apple, sysroot: "/") +!1 = !DIFile(filename: "cu.cpp", directory: "/tmp") +!2 = !{} +!3 = !{i32 7, !"Dwarf Version", i32 5} +!4 = !{i32 2, !"Debug Info Version", i32 3} +!5 = distinct !DICompileUnit(sourceLanguageName: DW_LNAME_ObjC_plus_plus, sourceLanguageVersion: 0, file: !6, producer: "handwritten", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, globals: !2, splitDebugInlining: false, nameTableKind: Apple, sysroot: "/") +!6 = !DIFile(filename: "cu2.cpp", directory: "/tmp") diff --git a/llvm/test/DebugInfo/Generic/compileunit-source-language-name.ll b/llvm/test/DebugInfo/Generic/compileunit-source-language-name.ll index e2b6167cab910..c8cc8717ef66e 100644 --- a/llvm/test/DebugInfo/Generic/compileunit-source-language-name.ll +++ b/llvm/test/DebugInfo/Generic/compileunit-source-language-name.ll @@ -1,6 +1,10 @@ ; RUN: %llc_dwarf -filetype=obj -O0 < %s | llvm-dwarfdump -debug-info - | FileCheck %s --implicit-check-not "DW_AT_language" -; CHECK: DW_AT_language_name (DW_LNAME_ObjC_plus_plus) +; CHECK: DW_AT_language_name (DW_LNAME_ObjC_plus_plus) +; CHECK: DW_AT_language_name (DW_LNAME_C_plus_plus) +; CHECK: DW_AT_language_version (201100) +; CHECK: DW_AT_language_name (DW_LNAME_Rust) +; CHECK-NOT: DW_AT_language_version @x = global i32 0, align 4, !dbg !0 @@ -9,7 +13,7 @@ define void @_Z4funcv() !dbg !8 { ret void, !dbg !11 } -!llvm.dbg.cu = !{!2} +!llvm.dbg.cu = !{!2, !12, !13} !llvm.module.flags = !{!6, !7} !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) @@ -24,3 +28,5 @@ define void @_Z4funcv() !dbg !8 { !9 = !DISubroutineType(types: !10) !10 = !{null} !11 = !DILocation(line: 2, column: 14, scope: !8) +!12 = distinct !DICompileUnit(sourceLanguageName: DW_LNAME_C_plus_plus, sourceLanguageVersion: 201100, file: !3, producer: "handwritten", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, globals: !4, splitDebugInlining: false, nameTableKind: Apple, sysroot: "/") +!13 = distinct !DICompileUnit(sourceLanguageName: DW_LNAME_Rust, sourceLanguageVersion: 0, file: !3, producer: "handwritten", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, globals: !4, splitDebugInlining: false, nameTableKind: Apple, sysroot: "/") |
| @llvm/pr-subscribers-llvm-ir Author: Michael Buch (Michael137) ChangesDepends on: Emit Full diff: https://github.com/llvm/llvm-project/pull/163147.diff 8 Files Affected:
diff --git a/llvm/lib/AsmParser/LLParser.cpp b/llvm/lib/AsmParser/LLParser.cpp index 380b19296a3c4..bb9f8442610d8 100644 --- a/llvm/lib/AsmParser/LLParser.cpp +++ b/llvm/lib/AsmParser/LLParser.cpp @@ -5865,6 +5865,7 @@ bool LLParser::parseDICompileUnit(MDNode *&Result, bool IsDistinct) { REQUIRED(file, MDField, (/* AllowNull */ false)); \ OPTIONAL(language, DwarfLangField, ); \ OPTIONAL(sourceLanguageName, DwarfSourceLangNameField, ); \ + OPTIONAL(sourceLanguageVersion, MDUnsignedField, (0, UINT32_MAX)); \ OPTIONAL(producer, MDStringField, ); \ OPTIONAL(isOptimized, MDBoolField, ); \ OPTIONAL(flags, MDStringField, ); \ @@ -5894,10 +5895,15 @@ bool LLParser::parseDICompileUnit(MDNode *&Result, bool IsDistinct) { return error(Loc, "can only specify one of 'language' and " "'sourceLanguageName' on !DICompileUnit"); + if (sourceLanguageVersion.Seen && !sourceLanguageName.Seen) + return error(Loc, "'sourceLanguageVersion' requires an associated " + "'sourceLanguageName' on !DICompileUnit"); + Result = DICompileUnit::getDistinct( Context, language.Seen ? DISourceLanguageName(language.Val) - : DISourceLanguageName(sourceLanguageName.Val, 0), + : DISourceLanguageName(sourceLanguageName.Val, + sourceLanguageVersion.Val), file.Val, producer.Val, isOptimized.Val, flags.Val, runtimeVersion.Val, splitDebugFilename.Val, emissionKind.Val, enums.Val, retainedTypes.Val, globals.Val, imports.Val, macros.Val, dwoId.Val, splitDebugInlining.Val, diff --git a/llvm/lib/Bitcode/Reader/MetadataLoader.cpp b/llvm/lib/Bitcode/Reader/MetadataLoader.cpp index cdcf7a80ffac7..ed0443f599a44 100644 --- a/llvm/lib/Bitcode/Reader/MetadataLoader.cpp +++ b/llvm/lib/Bitcode/Reader/MetadataLoader.cpp @@ -1860,7 +1860,7 @@ Error MetadataLoader::MetadataLoaderImpl::parseOneMetadata( break; } case bitc::METADATA_COMPILE_UNIT: { - if (Record.size() < 14 || Record.size() > 22) + if (Record.size() < 14 || Record.size() > 23) return error("Invalid record"); // Ignore Record[0], which indicates whether this compile unit is @@ -1869,11 +1869,13 @@ Error MetadataLoader::MetadataLoaderImpl::parseOneMetadata( const auto LangVersionMask = (uint64_t(1) << 63); const bool HasVersionedLanguage = Record[1] & LangVersionMask; + const uint32_t LanguageVersion = Record.size() > 22 ? Record[22] : 0; auto *CU = DICompileUnit::getDistinct( Context, HasVersionedLanguage - ? DISourceLanguageName(Record[1] & ~LangVersionMask, 0) + ? DISourceLanguageName(Record[1] & ~LangVersionMask, + LanguageVersion) : DISourceLanguageName(Record[1]), getMDOrNull(Record[2]), getMDString(Record[3]), Record[4], getMDString(Record[5]), Record[6], getMDString(Record[7]), Record[8], diff --git a/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp b/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp index 54e916e2dcfe1..8ff3aa9817571 100644 --- a/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp +++ b/llvm/lib/Bitcode/Writer/BitcodeWriter.cpp @@ -2142,6 +2142,7 @@ void ModuleBitcodeWriter::writeDICompileUnit(const DICompileUnit *N, Record.push_back(N->getRangesBaseAddress()); Record.push_back(VE.getMetadataOrNullID(N->getRawSysRoot())); Record.push_back(VE.getMetadataOrNullID(N->getRawSDK())); + Record.push_back(Lang.hasVersionedName() ? Lang.getVersion() : 0); Stream.EmitRecord(bitc::METADATA_COMPILE_UNIT, Record, Abbrev); Record.clear(); diff --git a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp index 433877f3a8b98..526b3130f317a 100644 --- a/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp +++ b/llvm/lib/CodeGen/AsmPrinter/DwarfDebug.cpp @@ -1039,12 +1039,18 @@ void DwarfDebug::finishUnitAttributes(const DICompileUnit *DIUnit, } else NewCU.addString(Die, dwarf::DW_AT_producer, Producer); - if (auto Lang = DIUnit->getSourceLanguage(); Lang.hasVersionedName()) + if (auto Lang = DIUnit->getSourceLanguage(); Lang.hasVersionedName()) { NewCU.addUInt(Die, dwarf::DW_AT_language_name, dwarf::DW_FORM_data2, Lang.getName()); - else + + if (uint32_t LangVersion = Lang.getVersion(); + LangVersion != 0) + NewCU.addUInt(Die, dwarf::DW_AT_language_version, /*Form=*/std::nullopt, + LangVersion); + } else { NewCU.addUInt(Die, dwarf::DW_AT_language, dwarf::DW_FORM_data2, Lang.getName()); + } NewCU.addString(Die, dwarf::DW_AT_name, FN); StringRef SysRoot = DIUnit->getSysRoot(); diff --git a/llvm/lib/IR/AsmWriter.cpp b/llvm/lib/IR/AsmWriter.cpp index 2430d988ddb04..3908a78f48412 100644 --- a/llvm/lib/IR/AsmWriter.cpp +++ b/llvm/lib/IR/AsmWriter.cpp @@ -2374,16 +2374,21 @@ static void writeDICompileUnit(raw_ostream &Out, const DICompileUnit *N, Out << "!DICompileUnit("; MDFieldPrinter Printer(Out, WriterCtx); - auto Lang = N->getSourceLanguage(); - if (Lang.hasVersionedName()) + DISourceLanguageName Lang = N->getSourceLanguage(); + + if (Lang.hasVersionedName()) { Printer.printDwarfEnum( "sourceLanguageName", static_cast<llvm::dwarf::SourceLanguageName>(Lang.getName()), dwarf::SourceLanguageNameString, /* ShouldSkipZero */ false); - else + + Printer.printInt("sourceLanguageVersion", Lang.getVersion(), + /*ShouldSkipZero=*/true); + } else { Printer.printDwarfEnum("language", Lang.getName(), dwarf::LanguageString, /* ShouldSkipZero */ false); + } Printer.printMetadata("file", N->getRawFile(), /* ShouldSkipNull */ false); Printer.printString("producer", N->getProducer()); diff --git a/llvm/test/Assembler/dicompileunit-invalid-language-version.ll b/llvm/test/Assembler/dicompileunit-invalid-language-version.ll new file mode 100644 index 0000000000000..b3794ac749f60 --- /dev/null +++ b/llvm/test/Assembler/dicompileunit-invalid-language-version.ll @@ -0,0 +1,25 @@ +; RUN: split-file %s %t +; RUN: not llvm-as < %t/dw_lang_with_version.ll -disable-output 2>&1 | FileCheck %s --check-prefix=WRONG-ATTR +; RUN: not llvm-as < %t/overflow.ll -disable-output 2>&1 | FileCheck %s --check-prefix=OVERFLOW +; RUN: not llvm-as < %t/version_without_name.ll -disable-output 2>&1 | FileCheck %s --check-prefix=NO-NAME +; RUN: not llvm-as < %t/negative.ll -disable-output 2>&1 | FileCheck %s --check-prefix=NEGATIVE + +; WRONG-ATTR: error: 'sourceLanguageVersion' requires an associated 'sourceLanguageName' on !DICompileUnit +; OVERFLOW: error: value for 'sourceLanguageVersion' too large, limit is 4294967295 +; NEGATIVE: error: expected unsigned integer +; NO-NAME: error: missing one of 'language' or 'sourceLanguageName', required for !DICompileUnit + +;--- dw_lang_with_version.ll +!0 = distinct !DICompileUnit(language: DW_LANG_C, sourceLanguageVersion: 1, + file: !DIFile(filename: "", directory: "")) + +;--- overflow.ll +!0 = distinct !DICompileUnit(sourceLanguageName: DW_LNAME_C, sourceLanguageVersion: 4294967298) + +;--- negative.ll +!0 = distinct !DICompileUnit(sourceLanguageName: DW_LNAME_C, sourceLanguageVersion: -1, + file: !DIFile(filename: "", directory: "")) + +;--- version_without_name.ll +!0 = distinct !DICompileUnit(sourceLanguageVersion: 1, + file: !DIFile(filename: "", directory: "")) diff --git a/llvm/test/Bitcode/dwarf-source-language-version.ll b/llvm/test/Bitcode/dwarf-source-language-version.ll new file mode 100644 index 0000000000000..311afd5a99afe --- /dev/null +++ b/llvm/test/Bitcode/dwarf-source-language-version.ll @@ -0,0 +1,17 @@ +; RUN: llvm-as < %s | llvm-dis | llvm-as | llvm-dis | FileCheck %s --implicit-check-not "sourceLanguageVersion: 0" + +; CHECK: sourceLanguageVersion: 120 + +source_filename = "cu.cpp" +target triple = "arm64-apple-macosx" + +!llvm.dbg.cu = !{!0, !5} +!llvm.module.flags = !{!3, !4} + +!0 = distinct !DICompileUnit(sourceLanguageName: DW_LNAME_ObjC_plus_plus, sourceLanguageVersion: 120, file: !1, producer: "handwritten", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, globals: !2, splitDebugInlining: false, nameTableKind: Apple, sysroot: "/") +!1 = !DIFile(filename: "cu.cpp", directory: "/tmp") +!2 = !{} +!3 = !{i32 7, !"Dwarf Version", i32 5} +!4 = !{i32 2, !"Debug Info Version", i32 3} +!5 = distinct !DICompileUnit(sourceLanguageName: DW_LNAME_ObjC_plus_plus, sourceLanguageVersion: 0, file: !6, producer: "handwritten", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, globals: !2, splitDebugInlining: false, nameTableKind: Apple, sysroot: "/") +!6 = !DIFile(filename: "cu2.cpp", directory: "/tmp") diff --git a/llvm/test/DebugInfo/Generic/compileunit-source-language-name.ll b/llvm/test/DebugInfo/Generic/compileunit-source-language-name.ll index e2b6167cab910..c8cc8717ef66e 100644 --- a/llvm/test/DebugInfo/Generic/compileunit-source-language-name.ll +++ b/llvm/test/DebugInfo/Generic/compileunit-source-language-name.ll @@ -1,6 +1,10 @@ ; RUN: %llc_dwarf -filetype=obj -O0 < %s | llvm-dwarfdump -debug-info - | FileCheck %s --implicit-check-not "DW_AT_language" -; CHECK: DW_AT_language_name (DW_LNAME_ObjC_plus_plus) +; CHECK: DW_AT_language_name (DW_LNAME_ObjC_plus_plus) +; CHECK: DW_AT_language_name (DW_LNAME_C_plus_plus) +; CHECK: DW_AT_language_version (201100) +; CHECK: DW_AT_language_name (DW_LNAME_Rust) +; CHECK-NOT: DW_AT_language_version @x = global i32 0, align 4, !dbg !0 @@ -9,7 +13,7 @@ define void @_Z4funcv() !dbg !8 { ret void, !dbg !11 } -!llvm.dbg.cu = !{!2} +!llvm.dbg.cu = !{!2, !12, !13} !llvm.module.flags = !{!6, !7} !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) @@ -24,3 +28,5 @@ define void @_Z4funcv() !dbg !8 { !9 = !DISubroutineType(types: !10) !10 = !{null} !11 = !DILocation(line: 2, column: 14, scope: !8) +!12 = distinct !DICompileUnit(sourceLanguageName: DW_LNAME_C_plus_plus, sourceLanguageVersion: 201100, file: !3, producer: "handwritten", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, globals: !4, splitDebugInlining: false, nameTableKind: Apple, sysroot: "/") +!13 = distinct !DICompileUnit(sourceLanguageName: DW_LNAME_Rust, sourceLanguageVersion: 0, file: !3, producer: "handwritten", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, globals: !4, splitDebugInlining: false, nameTableKind: Apple, sysroot: "/") |
| ✅ With the latest revision this PR passed the C/C++ code formatter. |
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
2 participants
Add this suggestion to a batch that can be applied as a single commit. This suggestion is invalid because no changes were made to the code. Suggestions cannot be applied while the pull request is closed. Suggestions cannot be applied while viewing a subset of changes. Only one suggestion per line can be applied in a batch. Add this suggestion to a batch that can be applied as a single commit. Applying suggestions on deleted lines is not supported. You must change the existing code in this line in order to create a valid suggestion. Outdated suggestions cannot be applied. This suggestion has been applied or marked resolved. Suggestions cannot be applied from pending reviews. Suggestions cannot be applied on multi-line comments. Suggestions cannot be applied while the pull request is queued to merge. Suggestion cannot be applied right now. Please check back later.
Depends on:
Emit
DW_AT_language_version(new in DWARFv6) if DICompileUnit has asourceLanguageVersionfield. Omit it if it has the default value of0(since it's the default lower bound of any language without a version scheme).