[llvm] r257060 - Added support for macro emission in dwarf (supporting DWARF version 4).
Amjad Aboud via llvm-commits
llvm-commits at lists.llvm.org
Thu Jan 7 06:28:21 PST 2016
Author: aaboud
Date: Thu Jan 7 08:28:20 2016
New Revision: 257060
URL: http://llvm.org/viewvc/llvm-project?rev=257060&view=rev
Log:
Added support for macro emission in dwarf (supporting DWARF version 4).
Differential Revision: http://reviews.llvm.org/D15495
Added:
llvm/trunk/test/DebugInfo/X86/debug-macro.ll
Modified:
llvm/trunk/include/llvm/CodeGen/DIE.h
llvm/trunk/include/llvm/MC/MCObjectFileInfo.h
llvm/trunk/lib/CodeGen/AsmPrinter/DIE.cpp
llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.h
llvm/trunk/lib/IR/Verifier.cpp
llvm/trunk/lib/MC/MCObjectFileInfo.cpp
llvm/trunk/lib/Target/NVPTX/NVPTXISelLowering.cpp
llvm/trunk/lib/Target/NVPTX/NVPTXTargetObjectFile.h
Modified: llvm/trunk/include/llvm/CodeGen/DIE.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/CodeGen/DIE.h?rev=257060&r1=257059&r2=257060&view=diff
==============================================================================
--- llvm/trunk/include/llvm/CodeGen/DIE.h (original)
+++ llvm/trunk/include/llvm/CodeGen/DIE.h Thu Jan 7 08:28:20 2016
@@ -29,6 +29,48 @@ class MCSymbol;
class raw_ostream;
class DwarfTypeUnit;
+// AsmStreamerBase - A base abstract interface class defines methods that
+// can be implemented to stream objects or can be implemented to
+// calculate the size of the streamed objects.
+// The derived classes will use an AsmPrinter to implement the methods.
+//
+// TODO: complete this interface and use it to merge EmitValue and SizeOf
+// methods in the DIE classes below.
+class AsmStreamerBase {
+protected:
+ const AsmPrinter *AP;
+ AsmStreamerBase(const AsmPrinter *AP) : AP(AP) {}
+
+public:
+ virtual ~AsmStreamerBase() {}
+ virtual unsigned emitULEB128(uint64_t Value, const char *Desc = nullptr,
+ unsigned PadTo = 0) = 0;
+ virtual unsigned emitInt8(unsigned char Value) = 0;
+ virtual unsigned emitBytes(StringRef Data) = 0;
+};
+
+/// EmittingAsmStreamer - Implements AbstractAsmStreamer to stream objects.
+/// Notice that the return value is not the actual size of the streamed object.
+/// For size calculation use SizeReporterAsmStreamer.
+class EmittingAsmStreamer : public AsmStreamerBase {
+public:
+ EmittingAsmStreamer(const AsmPrinter *AP) : AsmStreamerBase(AP) {}
+ unsigned emitULEB128(uint64_t Value, const char *Desc = nullptr,
+ unsigned PadTo = 0) override;
+ unsigned emitInt8(unsigned char Value) override;
+ unsigned emitBytes(StringRef Data) override;
+};
+
+/// SizeReporterAsmStreamer - Only reports the size of the streamed objects.
+class SizeReporterAsmStreamer : public AsmStreamerBase {
+public:
+ SizeReporterAsmStreamer(const AsmPrinter *AP) : AsmStreamerBase(AP) {}
+ unsigned emitULEB128(uint64_t Value, const char *Desc = nullptr,
+ unsigned PadTo = 0) override;
+ unsigned emitInt8(unsigned char Value) override;
+ unsigned emitBytes(StringRef Data) override;
+};
+
//===--------------------------------------------------------------------===//
/// DIEAbbrevData - Dwarf abbreviation data, describes one attribute of a
/// Dwarf abbreviation.
Modified: llvm/trunk/include/llvm/MC/MCObjectFileInfo.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/MC/MCObjectFileInfo.h?rev=257060&r1=257059&r2=257060&view=diff
==============================================================================
--- llvm/trunk/include/llvm/MC/MCObjectFileInfo.h (original)
+++ llvm/trunk/include/llvm/MC/MCObjectFileInfo.h Thu Jan 7 08:28:20 2016
@@ -92,6 +92,7 @@ protected:
MCSection *DwarfLocSection;
MCSection *DwarfARangesSection;
MCSection *DwarfRangesSection;
+ MCSection *DwarfMacinfoSection;
// The pubnames section is no longer generated by default. The generation
// can be enabled by a compiler flag.
MCSection *DwarfPubNamesSection;
@@ -245,6 +246,7 @@ public:
MCSection *getDwarfLocSection() const { return DwarfLocSection; }
MCSection *getDwarfARangesSection() const { return DwarfARangesSection; }
MCSection *getDwarfRangesSection() const { return DwarfRangesSection; }
+ MCSection *getDwarfMacinfoSection() const { return DwarfMacinfoSection; }
// DWARF5 Experimental Debug Info Sections
MCSection *getDwarfAccelNamesSection() const {
Modified: llvm/trunk/lib/CodeGen/AsmPrinter/DIE.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/DIE.cpp?rev=257060&r1=257059&r2=257060&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/AsmPrinter/DIE.cpp (original)
+++ llvm/trunk/lib/CodeGen/AsmPrinter/DIE.cpp Thu Jan 7 08:28:20 2016
@@ -32,6 +32,39 @@
using namespace llvm;
//===----------------------------------------------------------------------===//
+// EmittingAsmStreamer Implementation
+//===----------------------------------------------------------------------===//
+unsigned EmittingAsmStreamer::emitULEB128(uint64_t Value, const char *Desc,
+ unsigned PadTo) {
+ AP->EmitULEB128(Value, Desc, PadTo);
+ return 0;
+}
+
+unsigned EmittingAsmStreamer::emitInt8(unsigned char Value) {
+ AP->EmitInt8(Value);
+ return 0;
+}
+
+unsigned EmittingAsmStreamer::emitBytes(StringRef Data) {
+ AP->OutStreamer->EmitBytes(Data);
+ return 0;
+}
+
+//===----------------------------------------------------------------------===//
+// SizeReporterAsmStreamer Implementation
+//===----------------------------------------------------------------------===//
+unsigned SizeReporterAsmStreamer::emitULEB128(uint64_t Value, const char *Desc,
+ unsigned PadTo) {
+ return getULEB128Size(Value);
+}
+
+unsigned SizeReporterAsmStreamer::emitInt8(unsigned char Value) { return 1; }
+
+unsigned SizeReporterAsmStreamer::emitBytes(StringRef Data) {
+ return Data.size();
+}
+
+//===----------------------------------------------------------------------===//
// DIEAbbrevData Implementation
//===----------------------------------------------------------------------===//
Modified: llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp?rev=257060&r1=257059&r2=257060&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp (original)
+++ llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp Thu Jan 7 08:28:20 2016
@@ -561,6 +561,8 @@ void DwarfDebug::finalizeModuleInfo() {
// Collect info for variables that were optimized out.
collectDeadVariables();
+ unsigned MacroOffset = 0;
+ std::unique_ptr<AsmStreamerBase> AS(new SizeReporterAsmStreamer(Asm));
// Handle anything that needs to be done on a per-unit basis after
// all other generation.
for (const auto &P : CUMap) {
@@ -613,6 +615,15 @@ void DwarfDebug::finalizeModuleInfo() {
U.setBaseAddress(TheCU.getRanges().front().getStart());
U.attachRangesOrLowHighPC(U.getUnitDie(), TheCU.takeRanges());
}
+
+ auto *CUNode = cast<DICompileUnit>(P.first);
+ if (CUNode->getMacros()) {
+ // Compile Unit has macros, emit "DW_AT_macro_info" attribute.
+ U.addUInt(U.getUnitDie(), dwarf::DW_AT_macro_info,
+ dwarf::DW_FORM_sec_offset, MacroOffset);
+ // Update macro section offset
+ MacroOffset += handleMacroNodes(AS.get(), CUNode->getMacros(), U);
+ }
}
// Compute DIE offsets and sizes.
@@ -656,6 +667,9 @@ void DwarfDebug::endModule() {
// Emit info into a debug ranges section.
emitDebugRanges();
+ // Emit info into a debug macinfo section.
+ emitDebugMacinfo();
+
if (useSplitDwarf()) {
emitDebugStrDWO();
emitDebugInfoDWO();
@@ -1833,6 +1847,70 @@ void DwarfDebug::emitDebugRanges() {
}
}
+unsigned DwarfDebug::handleMacroNodes(AsmStreamerBase *AS,
+ DIMacroNodeArray Nodes,
+ DwarfCompileUnit &U) {
+ unsigned Size = 0;
+ for (auto *MN : Nodes) {
+ if (auto *M = dyn_cast<DIMacro>(MN))
+ Size += emitMacro(AS, *M);
+ else if (auto *F = dyn_cast<DIMacroFile>(MN))
+ Size += emitMacroFile(AS, *F, U);
+ else
+ llvm_unreachable("Unexpected DI type!");
+ }
+ return Size;
+}
+
+unsigned DwarfDebug::emitMacro(AsmStreamerBase *AS, DIMacro &M) {
+ int Size = 0;
+ Size += AS->emitULEB128(M.getMacinfoType());
+ Size += AS->emitULEB128(M.getLine());
+ StringRef Name = M.getName();
+ StringRef Value = M.getValue();
+ Size += AS->emitBytes(Name);
+ if (!Value.empty()) {
+ // There should be one space between macro name and macro value.
+ Size += AS->emitInt8(' ');
+ Size += AS->emitBytes(Value);
+ }
+ Size += AS->emitInt8('\0');
+ return Size;
+}
+
+unsigned DwarfDebug::emitMacroFile(AsmStreamerBase *AS, DIMacroFile &F,
+ DwarfCompileUnit &U) {
+ int Size = 0;
+ assert(F.getMacinfoType() == dwarf::DW_MACINFO_start_file);
+ Size += AS->emitULEB128(dwarf::DW_MACINFO_start_file);
+ Size += AS->emitULEB128(F.getLine());
+ DIFile *File = F.getFile();
+ unsigned FID =
+ U.getOrCreateSourceID(File->getFilename(), File->getDirectory());
+ Size += AS->emitULEB128(FID);
+ Size += handleMacroNodes(AS, F.getElements(), U);
+ Size += AS->emitULEB128(dwarf::DW_MACINFO_end_file);
+ return Size;
+}
+
+// Emit visible names into a debug macinfo section.
+void DwarfDebug::emitDebugMacinfo() {
+ if (MCSection *Macinfo = Asm->getObjFileLowering().getDwarfMacinfoSection()) {
+ // Start the dwarf macinfo section.
+ Asm->OutStreamer->SwitchSection(Macinfo);
+ }
+ std::unique_ptr<AsmStreamerBase> AS(new EmittingAsmStreamer(Asm));
+ for (const auto &P : CUMap) {
+ auto &TheCU = *P.second;
+ auto *SkCU = TheCU.getSkeleton();
+ DwarfCompileUnit &U = SkCU ? *SkCU : TheCU;
+ auto *CUNode = cast<DICompileUnit>(P.first);
+ handleMacroNodes(AS.get(), CUNode->getMacros(), U);
+ }
+ Asm->OutStreamer->AddComment("End Of Macro List Mark");
+ Asm->EmitInt8(0);
+}
+
// DWARF5 Experimental Separate Dwarf emitters.
void DwarfDebug::initSkeletonUnit(const DwarfUnit &U, DIE &Die,
Modified: llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.h?rev=257060&r1=257059&r2=257060&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.h (original)
+++ llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.h Thu Jan 7 08:28:20 2016
@@ -400,18 +400,26 @@ class DwarfDebug : public AsmPrinterHand
/// Emit visible names into a debug str section.
void emitDebugStr();
- /// Emit visible names into a debug loc section.
+ /// Emit variable locations into a debug loc section.
void emitDebugLoc();
- /// Emit visible names into a debug loc dwo section.
+ /// Emit variable locations into a debug loc dwo section.
void emitDebugLocDWO();
- /// Emit visible names into a debug aranges section.
+ /// Emit address ranges into a debug aranges section.
void emitDebugARanges();
- /// Emit visible names into a debug ranges section.
+ /// Emit address ranges into a debug ranges section.
void emitDebugRanges();
+ /// Emit macros into a debug macinfo section.
+ void emitDebugMacinfo();
+ unsigned emitMacro(AsmStreamerBase *AS, DIMacro &M);
+ unsigned emitMacroFile(AsmStreamerBase *AS, DIMacroFile &F,
+ DwarfCompileUnit &U);
+ unsigned handleMacroNodes(AsmStreamerBase *AS, DIMacroNodeArray Nodes,
+ DwarfCompileUnit &U);
+
/// DWARF 5 Experimental Split Dwarf Emitters
/// Initialize common features of skeleton units.
Modified: llvm/trunk/lib/IR/Verifier.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/IR/Verifier.cpp?rev=257060&r1=257059&r2=257060&view=diff
==============================================================================
--- llvm/trunk/lib/IR/Verifier.cpp (original)
+++ llvm/trunk/lib/IR/Verifier.cpp Thu Jan 7 08:28:20 2016
@@ -984,6 +984,9 @@ void Verifier::visitDIMacro(const DIMacr
N.getMacinfoType() == dwarf::DW_MACINFO_undef,
"invalid macinfo type", &N);
Assert(!N.getName().empty(), "anonymous macro", &N);
+ if (!N.getValue().empty()) {
+ assert(N.getValue().data()[0] != ' ' && "Macro value has a space prefix");
+ }
}
void Verifier::visitDIMacroFile(const DIMacroFile &N) {
Modified: llvm/trunk/lib/MC/MCObjectFileInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/MC/MCObjectFileInfo.cpp?rev=257060&r1=257059&r2=257060&view=diff
==============================================================================
--- llvm/trunk/lib/MC/MCObjectFileInfo.cpp (original)
+++ llvm/trunk/lib/MC/MCObjectFileInfo.cpp Thu Jan 7 08:28:20 2016
@@ -256,6 +256,9 @@ void MCObjectFileInfo::initMachOMCObject
DwarfRangesSection =
Ctx->getMachOSection("__DWARF", "__debug_ranges", MachO::S_ATTR_DEBUG,
SectionKind::getMetadata(), "debug_range");
+ DwarfMacinfoSection =
+ Ctx->getMachOSection("__DWARF", "__debug_macinfo", MachO::S_ATTR_DEBUG,
+ SectionKind::getMetadata());
DwarfDebugInlineSection =
Ctx->getMachOSection("__DWARF", "__debug_inlined", MachO::S_ATTR_DEBUG,
SectionKind::getMetadata());
@@ -505,6 +508,8 @@ void MCObjectFileInfo::initELFMCObjectFi
Ctx->getELFSection(".debug_aranges", ELF::SHT_PROGBITS, 0);
DwarfRangesSection =
Ctx->getELFSection(".debug_ranges", ELF::SHT_PROGBITS, 0, "debug_range");
+ DwarfMacinfoSection =
+ Ctx->getELFSection(".debug_macinfo", ELF::SHT_PROGBITS, 0);
// DWARF5 Experimental Debug Info
@@ -684,6 +689,11 @@ void MCObjectFileInfo::initCOFFMCObjectF
COFF::IMAGE_SCN_MEM_DISCARDABLE | COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
COFF::IMAGE_SCN_MEM_READ,
SectionKind::getMetadata(), "debug_range");
+ DwarfMacinfoSection = Ctx->getCOFFSection(
+ ".debug_macinfo",
+ COFF::IMAGE_SCN_MEM_DISCARDABLE | COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
+ COFF::IMAGE_SCN_MEM_READ,
+ SectionKind::getMetadata());
DwarfInfoDWOSection = Ctx->getCOFFSection(
".debug_info.dwo",
COFF::IMAGE_SCN_MEM_DISCARDABLE | COFF::IMAGE_SCN_CNT_INITIALIZED_DATA |
Modified: llvm/trunk/lib/Target/NVPTX/NVPTXISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/NVPTX/NVPTXISelLowering.cpp?rev=257060&r1=257059&r2=257060&view=diff
==============================================================================
--- llvm/trunk/lib/Target/NVPTX/NVPTXISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/NVPTX/NVPTXISelLowering.cpp Thu Jan 7 08:28:20 2016
@@ -4549,6 +4549,7 @@ NVPTXTargetObjectFile::~NVPTXTargetObjec
delete static_cast<NVPTXSection *>(DwarfLocSection);
delete static_cast<NVPTXSection *>(DwarfARangesSection);
delete static_cast<NVPTXSection *>(DwarfRangesSection);
+ delete static_cast<NVPTXSection *>(DwarfMacinfoSection);
}
MCSection *
Modified: llvm/trunk/lib/Target/NVPTX/NVPTXTargetObjectFile.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/NVPTX/NVPTXTargetObjectFile.h?rev=257060&r1=257059&r2=257060&view=diff
==============================================================================
--- llvm/trunk/lib/Target/NVPTX/NVPTXTargetObjectFile.h (original)
+++ llvm/trunk/lib/Target/NVPTX/NVPTXTargetObjectFile.h Thu Jan 7 08:28:20 2016
@@ -41,6 +41,7 @@ public:
DwarfLocSection = nullptr;
DwarfARangesSection = nullptr;
DwarfRangesSection = nullptr;
+ DwarfMacinfoSection = nullptr;
}
virtual ~NVPTXTargetObjectFile();
@@ -81,6 +82,8 @@ public:
new NVPTXSection(MCSection::SV_ELF, SectionKind::getMetadata());
DwarfRangesSection =
new NVPTXSection(MCSection::SV_ELF, SectionKind::getMetadata());
+ DwarfMacinfoSection =
+ new NVPTXSection(MCSection::SV_ELF, SectionKind::getMetadata());
}
MCSection *getSectionForConstant(const DataLayout &DL, SectionKind Kind,
Added: llvm/trunk/test/DebugInfo/X86/debug-macro.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/debug-macro.ll?rev=257060&view=auto
==============================================================================
--- llvm/trunk/test/DebugInfo/X86/debug-macro.ll (added)
+++ llvm/trunk/test/DebugInfo/X86/debug-macro.ll Thu Jan 7 08:28:20 2016
@@ -0,0 +1,67 @@
+; RUN: %llc_dwarf -O0 -filetype=obj < %s | llvm-dwarfdump -debug-dump=info - | FileCheck --check-prefix=CHECK-INFO %s
+; RUN: %llc_dwarf -O0 -filetype=obj < %s | llvm-dwarfdump -debug-dump=macro - | FileCheck --check-prefix=CHECK-MACRO %s
+; RUN: %llc_dwarf -O0 -filetype=obj < %s | llvm-dwarfdump -debug-dump=line - | FileCheck --check-prefix=CHECK-LINE %s
+
+
+; CHECK-INFO: .debug_info contents:
+; CHECK-INFO: DW_TAG_compile_unit
+; CHECK-INFO-NOT: DW_TAG
+; CHECK-INFO: DW_AT_name {{.*}}"debug-macro.cpp")
+; CHECK-INFO: DW_AT_macro_info {{.*}}(0x00000000)
+; CHECK-INFO: DW_TAG_compile_unit
+; CHECK-INFO-NOT: DW_TAG
+; CHECK-INFO: DW_AT_name {{.*}}"debug-macro1.cpp")
+; CHECK-INFO: DW_AT_macro_info {{.*}}(0x00000044)
+; CHECK-INFO: DW_TAG_compile_unit
+; CHECK-INFO-NOT: DW_TAG
+; CHECK-INFO: DW_AT_name {{.*}}"debug-macro2.cpp")
+; CHECK-INFO-NOT: DW_AT_macro_info
+
+; CHECK-MACRO: .debug_macinfo contents:
+; CHECK-MACRO-NEXT: DW_MACINFO_define - lineno: 0 macro: NameCMD ValueCMD
+; CHECK-MACRO-NEXT: DW_MACINFO_start_file - lineno: 0 filenum: 1
+; CHECK-MACRO-NEXT: DW_MACINFO_start_file - lineno: 9 filenum: 2
+; CHECK-MACRO-NEXT: DW_MACINFO_define - lineno: 1 macro: NameDef Value
+; CHECK-MACRO-NEXT: DW_MACINFO_undef - lineno: 11 macro: NameUndef
+; CHECK-MACRO-NEXT: DW_MACINFO_end_file
+; CHECK-MACRO-NEXT: DW_MACINFO_undef - lineno: 10 macro: NameUndef2
+; CHECK-MACRO-NEXT: DW_MACINFO_end_file
+; CHECK-MACRO-NEXT: DW_MACINFO_start_file - lineno: 0 filenum: 1
+; CHECK-MACRO-NEXT: DW_MACINFO_end_file
+
+; CHECK-LINE: .debug_line contents:
+; CHECK-LINE: Dir Mod Time File Len File Name
+; CHECK-LINE: file_names[ 1] {{.*}}debug-macro.cpp
+; CHECK-LINE: file_names[ 2] {{.*}}debug-macro.h
+; CHECK-LINE: Dir Mod Time File Len File Name
+; CHECK-LINE: file_names[ 1] {{.*}}debug-macro1.cpp
+
+!llvm.dbg.cu = !{!0, !16, !20}
+!llvm.module.flags = !{!13, !14}
+!llvm.ident = !{!15}
+
+!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5.0 ", isOptimized: false, emissionKind: 1, file: !1, enums: !2, retainedTypes: !2, subprograms: !2, globals: !2, imports: !2, macros: !3)
+!1 = !DIFile(filename: "debug-macro.cpp", directory: "/")
+!2 = !{}
+!3 = !{!4, !5}
+!4 = !DIMacro(type: DW_MACINFO_define, line: 0, name: "NameCMD", value: "ValueCMD")
+!5 = !DIMacroFile(line: 0, file: !1, nodes: !6)
+!6 = !{!7, !12}
+!7 = !DIMacroFile(line: 9, file: !8, nodes: !9)
+!8 = !DIFile(filename: "debug-macro.h", directory: "/")
+!9 = !{!10, !11}
+!10 = !DIMacro(type: DW_MACINFO_define, line: 1, name: "NameDef", value: "Value")
+!11 = !DIMacro(type: DW_MACINFO_undef, line: 11, name: "NameUndef")
+!12 = !DIMacro(type: DW_MACINFO_undef, line: 10, name: "NameUndef2")
+
+!13 = !{i32 2, !"Dwarf Version", i32 4}
+!14 = !{i32 1, !"Debug Info Version", i32 3}
+!15 = !{!"clang version 3.5.0 "}
+
+!16 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5.0 ", isOptimized: false, emissionKind: 1, file: !17, enums: !2, retainedTypes: !2, subprograms: !2, globals: !2, imports: !2, macros: !18)
+!17 = !DIFile(filename: "debug-macro1.cpp", directory: "/")
+!18 = !{!19}
+!19 = !DIMacroFile(line: 0, file: !17, nodes: !2)
+
+!20 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5.0 ", isOptimized: false, emissionKind: 1, file: !21, enums: !2, retainedTypes: !2, subprograms: !2, globals: !2, imports: !2)
+!21 = !DIFile(filename: "debug-macro2.cpp", directory: "/")
More information about the llvm-commits
mailing list