Add support for a new extension to the .file directive:
.file filenumber "directory" "filename"
This removes one join+split of the directory+filename in MC internals. Because
bitcode files have independent fields for directory and filenames in debug info,
this patch may change the .o files written by existing .bc files.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@142300 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/llvm/MC/MCContext.h b/include/llvm/MC/MCContext.h
index a49a35c8..44bfb39 100644
--- a/include/llvm/MC/MCContext.h
+++ b/include/llvm/MC/MCContext.h
@@ -204,7 +204,8 @@
/// @{
/// GetDwarfFile - creates an entry in the dwarf file and directory tables.
- unsigned GetDwarfFile(StringRef FileName, unsigned FileNumber);
+ unsigned GetDwarfFile(StringRef Directory, StringRef FileName,
+ unsigned FileNumber);
bool isValidDwarfFileNumber(unsigned FileNumber);
diff --git a/include/llvm/MC/MCStreamer.h b/include/llvm/MC/MCStreamer.h
index 451efbf..59ce70d 100644
--- a/include/llvm/MC/MCStreamer.h
+++ b/include/llvm/MC/MCStreamer.h
@@ -505,7 +505,8 @@
/// EmitDwarfFileDirective - Associate a filename with a specified logical
/// file number. This implements the DWARF2 '.file 4 "foo.c"' assembler
/// directive.
- virtual bool EmitDwarfFileDirective(unsigned FileNo,StringRef Filename);
+ virtual bool EmitDwarfFileDirective(unsigned FileNo, StringRef Directory,
+ StringRef Filename);
/// EmitDwarfLocDirective - This implements the DWARF2
// '.loc fileno lineno ...' assembler directive.
@@ -613,6 +614,7 @@
bool isVerboseAsm,
bool useLoc,
bool useCFI,
+ bool useDwarfDirectory,
MCInstPrinter *InstPrint = 0,
MCCodeEmitter *CE = 0,
MCAsmBackend *TAB = 0,
diff --git a/include/llvm/Support/TargetRegistry.h b/include/llvm/Support/TargetRegistry.h
index 45f249d..bf3b7ba 100644
--- a/include/llvm/Support/TargetRegistry.h
+++ b/include/llvm/Support/TargetRegistry.h
@@ -50,6 +50,7 @@
MCStreamer *createAsmStreamer(MCContext &Ctx, formatted_raw_ostream &OS,
bool isVerboseAsm,
bool useLoc, bool useCFI,
+ bool useDwarfDirectory,
MCInstPrinter *InstPrint,
MCCodeEmitter *CE,
MCAsmBackend *TAB,
@@ -116,6 +117,7 @@
bool isVerboseAsm,
bool useLoc,
bool useCFI,
+ bool useDwarfDirectory,
MCInstPrinter *InstPrint,
MCCodeEmitter *CE,
MCAsmBackend *TAB,
@@ -426,13 +428,14 @@
bool isVerboseAsm,
bool useLoc,
bool useCFI,
+ bool useDwarfDirectory,
MCInstPrinter *InstPrint,
MCCodeEmitter *CE,
MCAsmBackend *TAB,
bool ShowInst) const {
// AsmStreamerCtorFn is default to llvm::createAsmStreamer
return AsmStreamerCtorFn(Ctx, OS, isVerboseAsm, useLoc, useCFI,
- InstPrint, CE, TAB, ShowInst);
+ useDwarfDirectory, InstPrint, CE, TAB, ShowInst);
}
/// @}
diff --git a/include/llvm/Target/TargetMachine.h b/include/llvm/Target/TargetMachine.h
index 8a8d142..30c5b3a 100644
--- a/include/llvm/Target/TargetMachine.h
+++ b/include/llvm/Target/TargetMachine.h
@@ -101,6 +101,7 @@
unsigned MCSaveTempLabels : 1;
unsigned MCUseLoc : 1;
unsigned MCUseCFI : 1;
+ unsigned MCUseDwarfDirectory : 1;
public:
virtual ~TargetMachine();
@@ -196,6 +197,14 @@
/// setMCUseCFI - Set whether all we should use dwarf's .cfi_* directives.
void setMCUseCFI(bool Value) { MCUseCFI = Value; }
+ /// hasMCUseDwarfDirectory - Check whether we should use .file directives with
+ /// explicit directories.
+ bool hasMCUseDwarfDirectory() const { return MCUseDwarfDirectory; }
+
+ /// setMCUseDwarfDirectory - Set whether all we should use .file directives
+ /// with explicit directories.
+ void setMCUseDwarfDirectory(bool Value) { MCUseDwarfDirectory = Value; }
+
/// getRelocationModel - Returns the code generation relocation model. The
/// choices are static, PIC, and dynamic-no-pic, and target default.
Reloc::Model getRelocationModel() const;
diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
index 1b7e370..9978c82 100644
--- a/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
+++ b/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
@@ -442,23 +442,21 @@
if (FileName.empty())
return GetOrCreateSourceID("<stdin>", StringRef());
- // MCStream expects full path name as filename.
- if (!DirName.empty() && !sys::path::is_absolute(FileName)) {
- SmallString<128> FullPathName = DirName;
- sys::path::append(FullPathName, FileName);
- // Here FullPathName will be copied into StringMap by GetOrCreateSourceID.
- return GetOrCreateSourceID(StringRef(FullPathName), StringRef());
- }
+ unsigned SrcId = SourceIdMap.size()+1;
+ std::pair<std::string, std::string> SourceName =
+ std::make_pair(FileName, DirName);
+ std::pair<std::pair<std::string, std::string>, unsigned> Entry =
+ make_pair(SourceName, SrcId);
- StringMapEntry<unsigned> &Entry = SourceIdMap.GetOrCreateValue(FileName);
- if (Entry.getValue())
- return Entry.getValue();
-
- unsigned SrcId = SourceIdMap.size();
- Entry.setValue(SrcId);
+ std::map<std::pair<std::string, std::string>, unsigned>::iterator I;
+ bool NewlyInserted;
+ tie(I, NewlyInserted) = SourceIdMap.insert(Entry);
+ if (!NewlyInserted)
+ return I->second;
// Print out a .file directive to specify files for .loc directives.
- Asm->OutStreamer.EmitDwarfFileDirective(SrcId, Entry.getKey());
+ Asm->OutStreamer.EmitDwarfFileDirective(SrcId, Entry.first.second,
+ Entry.first.first);
return SrcId;
}
diff --git a/lib/CodeGen/AsmPrinter/DwarfDebug.h b/lib/CodeGen/AsmPrinter/DwarfDebug.h
index 35653be..faa78f3 100644
--- a/lib/CodeGen/AsmPrinter/DwarfDebug.h
+++ b/lib/CodeGen/AsmPrinter/DwarfDebug.h
@@ -26,6 +26,7 @@
#include "llvm/ADT/UniqueVector.h"
#include "llvm/Support/Allocator.h"
#include "llvm/Support/DebugLoc.h"
+#include <map>
namespace llvm {
@@ -207,9 +208,9 @@
///
std::vector<DIEAbbrev *> Abbreviations;
- /// SourceIdMap - Source id map, i.e. pair of directory id and source file
- /// id mapped to a unique id.
- StringMap<unsigned> SourceIdMap;
+ /// SourceIdMap - Source id map, i.e. pair of source filename and directory
+ /// mapped to a unique id.
+ std::map<std::pair<std::string, std::string>, unsigned> SourceIdMap;
/// StringPool - A String->Symbol mapping of strings used by indirect
/// references.
diff --git a/lib/CodeGen/LLVMTargetMachine.cpp b/lib/CodeGen/LLVMTargetMachine.cpp
index 80ecc22..759610a 100644
--- a/lib/CodeGen/LLVMTargetMachine.cpp
+++ b/lib/CodeGen/LLVMTargetMachine.cpp
@@ -159,6 +159,7 @@
getVerboseAsm(),
hasMCUseLoc(),
hasMCUseCFI(),
+ hasMCUseDwarfDirectory(),
InstPrinter,
MCE, MAB,
ShowMCInst);
diff --git a/lib/MC/MCAsmStreamer.cpp b/lib/MC/MCAsmStreamer.cpp
index 3fcbb05..d90f7b2 100644
--- a/lib/MC/MCAsmStreamer.cpp
+++ b/lib/MC/MCAsmStreamer.cpp
@@ -29,6 +29,7 @@
#include "llvm/Support/MathExtras.h"
#include "llvm/Support/Format.h"
#include "llvm/Support/FormattedStream.h"
+#include "llvm/Support/PathV2.h"
#include <cctype>
using namespace llvm;
@@ -50,6 +51,7 @@
unsigned ShowInst : 1;
unsigned UseLoc : 1;
unsigned UseCFI : 1;
+ unsigned UseDwarfDirectory : 1;
enum EHSymbolFlags { EHGlobal = 1,
EHWeakDefinition = 1 << 1,
@@ -63,13 +65,15 @@
public:
MCAsmStreamer(MCContext &Context, formatted_raw_ostream &os,
bool isVerboseAsm, bool useLoc, bool useCFI,
+ bool useDwarfDirectory,
MCInstPrinter *printer, MCCodeEmitter *emitter,
MCAsmBackend *asmbackend,
bool showInst)
: MCStreamer(Context), OS(os), MAI(Context.getAsmInfo()),
InstPrinter(printer), Emitter(emitter), AsmBackend(asmbackend),
CommentStream(CommentToEmit), IsVerboseAsm(isVerboseAsm),
- ShowInst(showInst), UseLoc(useLoc), UseCFI(useCFI) {
+ ShowInst(showInst), UseLoc(useLoc), UseCFI(useCFI),
+ UseDwarfDirectory(useDwarfDirectory) {
if (InstPrinter && IsVerboseAsm)
InstPrinter->setCommentStream(CommentStream);
}
@@ -196,7 +200,8 @@
unsigned char Value = 0);
virtual void EmitFileDirective(StringRef Filename);
- virtual bool EmitDwarfFileDirective(unsigned FileNo, StringRef Filename);
+ virtual bool EmitDwarfFileDirective(unsigned FileNo, StringRef Directory,
+ StringRef Filename);
virtual void EmitDwarfLocDirective(unsigned FileNo, unsigned Line,
unsigned Column, unsigned Flags,
unsigned Isa, unsigned Discriminator,
@@ -748,13 +753,27 @@
EmitEOL();
}
-bool MCAsmStreamer::EmitDwarfFileDirective(unsigned FileNo, StringRef Filename){
+bool MCAsmStreamer::EmitDwarfFileDirective(unsigned FileNo, StringRef Directory,
+ StringRef Filename) {
+ if (!UseDwarfDirectory && !Directory.empty()) {
+ if (sys::path::is_absolute(Filename))
+ return EmitDwarfFileDirective(FileNo, "", Filename);
+
+ SmallString<128> FullPathName = Directory;
+ sys::path::append(FullPathName, Filename);
+ return EmitDwarfFileDirective(FileNo, "", FullPathName);
+ }
+
if (UseLoc) {
OS << "\t.file\t" << FileNo << ' ';
+ if (!Directory.empty()) {
+ PrintQuotedString(Directory, OS);
+ OS << ' ';
+ }
PrintQuotedString(Filename, OS);
EmitEOL();
}
- return this->MCStreamer::EmitDwarfFileDirective(FileNo, Filename);
+ return this->MCStreamer::EmitDwarfFileDirective(FileNo, Directory, Filename);
}
void MCAsmStreamer::EmitDwarfLocDirective(unsigned FileNo, unsigned Line,
@@ -1271,9 +1290,9 @@
MCStreamer *llvm::createAsmStreamer(MCContext &Context,
formatted_raw_ostream &OS,
bool isVerboseAsm, bool useLoc,
- bool useCFI, MCInstPrinter *IP,
- MCCodeEmitter *CE, MCAsmBackend *MAB,
- bool ShowInst) {
+ bool useCFI, bool useDwarfDirectory,
+ MCInstPrinter *IP, MCCodeEmitter *CE,
+ MCAsmBackend *MAB, bool ShowInst) {
return new MCAsmStreamer(Context, OS, isVerboseAsm, useLoc, useCFI,
- IP, CE, MAB, ShowInst);
+ useDwarfDirectory, IP, CE, MAB, ShowInst);
}
diff --git a/lib/MC/MCContext.cpp b/lib/MC/MCContext.cpp
index 82690ee..9e28b8f 100644
--- a/lib/MC/MCContext.cpp
+++ b/lib/MC/MCContext.cpp
@@ -248,7 +248,8 @@
/// directory tables. If the file number has already been allocated it is an
/// error and zero is returned and the client reports the error, else the
/// allocated file number is returned. The file numbers may be in any order.
-unsigned MCContext::GetDwarfFile(StringRef FileName, unsigned FileNumber) {
+unsigned MCContext::GetDwarfFile(StringRef Directory, StringRef FileName,
+ unsigned FileNumber) {
// TODO: a FileNumber of zero says to use the next available file number.
// Note: in GenericAsmParser::ParseDirectiveFile() FileNumber was checked
// to not be less than one. This needs to be change to be not less than zero.
@@ -266,19 +267,21 @@
// Get the new MCDwarfFile slot for this FileNumber.
MCDwarfFile *&File = MCDwarfFiles[FileNumber];
- // Separate the directory part from the basename of the FileName.
- std::pair<StringRef, StringRef> Slash = FileName.rsplit('/');
+ if (Directory.empty()) {
+ // Separate the directory part from the basename of the FileName.
+ std::pair<StringRef, StringRef> Slash = FileName.rsplit('/');
+ Directory = Slash.second;
+ if (!Directory.empty())
+ FileName = Slash.first;
+ }
// Find or make a entry in the MCDwarfDirs vector for this Directory.
- StringRef Name;
- unsigned DirIndex;
// Capture directory name.
- if (Slash.second.empty()) {
- Name = Slash.first;
- DirIndex = 0; // For FileNames with no directories a DirIndex of 0 is used.
+ unsigned DirIndex;
+ if (Directory.empty()) {
+ // For FileNames with no directories a DirIndex of 0 is used.
+ DirIndex = 0;
} else {
- StringRef Directory = Slash.first;
- Name = Slash.second;
DirIndex = 0;
for (unsigned End = MCDwarfDirs.size(); DirIndex < End; DirIndex++) {
if (Directory == MCDwarfDirs[DirIndex])
@@ -291,16 +294,16 @@
}
// The DirIndex is one based, as DirIndex of 0 is used for FileNames with
// no directories. MCDwarfDirs[] is unlike MCDwarfFiles[] in that the
- // directory names are stored at MCDwarfDirs[DirIndex-1] where FileNames are
- // stored at MCDwarfFiles[FileNumber].Name .
+ // directory names are stored at MCDwarfDirs[DirIndex-1] where FileNames
+ // are stored at MCDwarfFiles[FileNumber].Name .
DirIndex++;
}
// Now make the MCDwarfFile entry and place it in the slot in the MCDwarfFiles
// vector.
- char *Buf = static_cast<char *>(Allocate(Name.size()));
- memcpy(Buf, Name.data(), Name.size());
- File = new (*this) MCDwarfFile(StringRef(Buf, Name.size()), DirIndex);
+ char *Buf = static_cast<char *>(Allocate(FileName.size()));
+ memcpy(Buf, FileName.data(), FileName.size());
+ File = new (*this) MCDwarfFile(StringRef(Buf, FileName.size()), DirIndex);
// return the allocated FileNumber.
return FileNumber;
diff --git a/lib/MC/MCLoggingStreamer.cpp b/lib/MC/MCLoggingStreamer.cpp
index 3fe8ac7..a7b7947 100644
--- a/lib/MC/MCLoggingStreamer.cpp
+++ b/lib/MC/MCLoggingStreamer.cpp
@@ -208,10 +208,12 @@
return Child->EmitFileDirective(Filename);
}
- virtual bool EmitDwarfFileDirective(unsigned FileNo, StringRef Filename) {
+ virtual bool EmitDwarfFileDirective(unsigned FileNo, StringRef Directory,
+ StringRef Filename) {
LogCall("EmitDwarfFileDirective",
- "FileNo:" + Twine(FileNo) + " Filename:" + Filename);
- return Child->EmitDwarfFileDirective(FileNo, Filename);
+ "FileNo:" + Twine(FileNo) + " Directory:" + Directory +
+ " Filename:" + Filename);
+ return Child->EmitDwarfFileDirective(FileNo, Directory, Filename);
}
virtual void EmitDwarfLocDirective(unsigned FileNo, unsigned Line,
diff --git a/lib/MC/MCNullStreamer.cpp b/lib/MC/MCNullStreamer.cpp
index a6c0adb..d178b50 100644
--- a/lib/MC/MCNullStreamer.cpp
+++ b/lib/MC/MCNullStreamer.cpp
@@ -83,7 +83,8 @@
unsigned char Value = 0) {}
virtual void EmitFileDirective(StringRef Filename) {}
- virtual bool EmitDwarfFileDirective(unsigned FileNo,StringRef Filename) {
+ virtual bool EmitDwarfFileDirective(unsigned FileNo, StringRef Directory,
+ StringRef Filename) {
return false;
}
virtual void EmitDwarfLocDirective(unsigned FileNo, unsigned Line,
diff --git a/lib/MC/MCParser/AsmParser.cpp b/lib/MC/MCParser/AsmParser.cpp
index 50fa4d4..4e8e15c 100644
--- a/lib/MC/MCParser/AsmParser.cpp
+++ b/lib/MC/MCParser/AsmParser.cpp
@@ -2303,7 +2303,8 @@
}
/// ParseDirectiveFile
-/// ::= .file [number] string
+/// ::= .file [number] filename
+/// ::= .file number directory filename
bool GenericAsmParser::ParseDirectiveFile(StringRef, SMLoc DirectiveLoc) {
// FIXME: I'm not sure what this is.
int64_t FileNumber = -1;
@@ -2319,17 +2320,31 @@
if (getLexer().isNot(AsmToken::String))
return TokError("unexpected token in '.file' directive");
- StringRef Filename = getTok().getString();
- Filename = Filename.substr(1, Filename.size()-2);
+ // Usually the directory and filename together, otherwise just the directory.
+ StringRef Path = getTok().getString();
+ Path = Path.substr(1, Path.size()-2);
Lex();
+ StringRef Directory;
+ StringRef Filename;
+ if (getLexer().is(AsmToken::String)) {
+ if (FileNumber == -1)
+ return TokError("explicit path specified, but no file number");
+ Filename = getTok().getString();
+ Filename = Filename.substr(1, Filename.size()-2);
+ Directory = Path;
+ Lex();
+ } else {
+ Filename = Path;
+ }
+
if (getLexer().isNot(AsmToken::EndOfStatement))
return TokError("unexpected token in '.file' directive");
if (FileNumber == -1)
getStreamer().EmitFileDirective(Filename);
else {
- if (getStreamer().EmitDwarfFileDirective(FileNumber, Filename))
+ if (getStreamer().EmitDwarfFileDirective(FileNumber, Directory, Filename))
Error(FileNumberLoc, "file number already allocated");
}
diff --git a/lib/MC/MCPureStreamer.cpp b/lib/MC/MCPureStreamer.cpp
index 086c922..1a2a92e 100644
--- a/lib/MC/MCPureStreamer.cpp
+++ b/lib/MC/MCPureStreamer.cpp
@@ -93,7 +93,8 @@
virtual void EmitFileDirective(StringRef Filename) {
report_fatal_error("unsupported directive in pure streamer");
}
- virtual bool EmitDwarfFileDirective(unsigned FileNo, StringRef Filename) {
+ virtual bool EmitDwarfFileDirective(unsigned FileNo, StringRef Directory,
+ StringRef Filename) {
report_fatal_error("unsupported directive in pure streamer");
return false;
}
diff --git a/lib/MC/MCStreamer.cpp b/lib/MC/MCStreamer.cpp
index 3afa22b..2a37f82 100644
--- a/lib/MC/MCStreamer.cpp
+++ b/lib/MC/MCStreamer.cpp
@@ -142,8 +142,9 @@
}
bool MCStreamer::EmitDwarfFileDirective(unsigned FileNo,
+ StringRef Directory,
StringRef Filename) {
- return getContext().GetDwarfFile(Filename, FileNo) == 0;
+ return getContext().GetDwarfFile(Directory, Filename, FileNo) == 0;
}
void MCStreamer::EmitDwarfLocDirective(unsigned FileNo, unsigned Line,
diff --git a/lib/Target/PTX/PTXAsmPrinter.cpp b/lib/Target/PTX/PTXAsmPrinter.cpp
index 733744b..b2aa7b2 100644
--- a/lib/Target/PTX/PTXAsmPrinter.cpp
+++ b/lib/Target/PTX/PTXAsmPrinter.cpp
@@ -535,7 +535,7 @@
Entry.setValue(SrcId);
// Print out a .file directive to specify files for .loc directives.
- OutStreamer.EmitDwarfFileDirective(SrcId, Entry.getKey());
+ OutStreamer.EmitDwarfFileDirective(SrcId, "", Entry.getKey());
return SrcId;
}
@@ -594,4 +594,3 @@
RegisterAsmPrinter<PTXAsmPrinter> X(ThePTX32Target);
RegisterAsmPrinter<PTXAsmPrinter> Y(ThePTX64Target);
}
-
diff --git a/lib/Target/PTX/PTXMCAsmStreamer.cpp b/lib/Target/PTX/PTXMCAsmStreamer.cpp
index 468ce93..bc7aaa3 100644
--- a/lib/Target/PTX/PTXMCAsmStreamer.cpp
+++ b/lib/Target/PTX/PTXMCAsmStreamer.cpp
@@ -22,6 +22,7 @@
#include "llvm/Support/MathExtras.h"
#include "llvm/Support/Format.h"
#include "llvm/Support/FormattedStream.h"
+#include "llvm/Support/PathV2.h"
#include "llvm/Support/raw_ostream.h"
using namespace llvm;
@@ -165,7 +166,8 @@
unsigned char Value = 0);
virtual void EmitFileDirective(StringRef Filename);
- virtual bool EmitDwarfFileDirective(unsigned FileNo, StringRef Filename);
+ virtual bool EmitDwarfFileDirective(unsigned FileNo, StringRef Directory,
+ StringRef Filename);
virtual void EmitInstruction(const MCInst &Inst);
@@ -489,11 +491,20 @@
// FIXME: should we inherit from MCAsmStreamer?
bool PTXMCAsmStreamer::EmitDwarfFileDirective(unsigned FileNo,
- StringRef Filename){
+ StringRef Directory,
+ StringRef Filename) {
+ if (!Directory.empty()) {
+ if (sys::path::is_absolute(Filename))
+ return EmitDwarfFileDirective(FileNo, "", Filename);
+ SmallString<128> FullPathName = Directory;
+ sys::path::append(FullPathName, Filename);
+ return EmitDwarfFileDirective(FileNo, "", FullPathName);
+ }
+
OS << "\t.file\t" << FileNo << ' ';
PrintQuotedString(Filename, OS);
EmitEOL();
- return this->MCStreamer::EmitDwarfFileDirective(FileNo, Filename);
+ return this->MCStreamer::EmitDwarfFileDirective(FileNo, Directory, Filename);
}
void PTXMCAsmStreamer::AddEncodingComment(const MCInst &Inst) {}
@@ -535,6 +546,7 @@
MCStreamer *createPTXAsmStreamer(MCContext &Context,
formatted_raw_ostream &OS,
bool isVerboseAsm, bool useLoc, bool useCFI,
+ bool useDwarfDirectory,
MCInstPrinter *IP,
MCCodeEmitter *CE, MCAsmBackend *MAB,
bool ShowInst) {
diff --git a/lib/Target/PTX/PTXTargetMachine.cpp b/lib/Target/PTX/PTXTargetMachine.cpp
index 449a3d9..50dd417 100644
--- a/lib/Target/PTX/PTXTargetMachine.cpp
+++ b/lib/Target/PTX/PTXTargetMachine.cpp
@@ -46,7 +46,7 @@
namespace llvm {
MCStreamer *createPTXAsmStreamer(MCContext &Ctx, formatted_raw_ostream &OS,
bool isVerboseAsm, bool useLoc,
- bool useCFI,
+ bool useCFI, bool useDwarfDirectory,
MCInstPrinter *InstPrint,
MCCodeEmitter *CE,
MCAsmBackend *MAB,
@@ -157,6 +157,7 @@
true, /* verbose asm */
hasMCUseLoc(),
hasMCUseCFI(),
+ hasMCUseDwarfDirectory(),
InstPrinter,
MCE, MAB,
false /* show MC encoding */);
diff --git a/lib/Target/TargetMachine.cpp b/lib/Target/TargetMachine.cpp
index fe8a7ce..3f58e84 100644
--- a/lib/Target/TargetMachine.cpp
+++ b/lib/Target/TargetMachine.cpp
@@ -197,7 +197,8 @@
MCNoExecStack(false),
MCSaveTempLabels(false),
MCUseLoc(true),
- MCUseCFI(true) {
+ MCUseCFI(true),
+ MCUseDwarfDirectory(true) {
// Typically it will be subtargets that will adjust FloatABIType from Default
// to Soft or Hard.
if (UseSoftFloat)
diff --git a/test/CodeGen/X86/dbg-file-name.ll b/test/CodeGen/X86/dbg-file-name.ll
index 3a849aa..138ee26 100644
--- a/test/CodeGen/X86/dbg-file-name.ll
+++ b/test/CodeGen/X86/dbg-file-name.ll
@@ -1,7 +1,7 @@
; RUN: llc -mtriple x86_64-apple-darwin10.0.0 < %s | FileCheck %s
; Radar 8884898
-; CHECK: file 1 "/Users/manav/one/two{{/|\\\\}}simple.c"
+; CHECK: file 1 "/Users/manav/one/two" "simple.c"
declare i32 @printf(i8*, ...) nounwind
diff --git a/test/MC/AsmParser/directive_file.s b/test/MC/AsmParser/directive_file.s
index 3160d5c..121890e 100644
--- a/test/MC/AsmParser/directive_file.s
+++ b/test/MC/AsmParser/directive_file.s
@@ -2,7 +2,8 @@
.file "hello"
.file 1 "world"
+ .file 2 "directory" "file"
# CHECK: .file "hello"
# CHECK: .file 1 "world"
-
+# CHECK: .file 2 "directory" "file"
diff --git a/tools/llc/llc.cpp b/tools/llc/llc.cpp
index 7211954..4cb3cf1 100644
--- a/tools/llc/llc.cpp
+++ b/tools/llc/llc.cpp
@@ -133,6 +133,9 @@
cl::opt<bool> DisableCFI("disable-cfi", cl::Hidden,
cl::desc("Do not use .cfi_* directives"));
+cl::opt<bool> DisableDwarfDirectory("disable-dwarf-directory", cl::Hidden,
+ cl::desc("Do not use file directives with an explicit directory."));
+
static cl::opt<bool>
DisableRedZone("disable-red-zone",
cl::desc("Do not emit code that uses the red zone."),
@@ -316,6 +319,9 @@
if (DisableCFI)
Target.setMCUseCFI(false);
+ if (DisableDwarfDirectory)
+ Target.setMCUseDwarfDirectory(false);
+
// Disable .loc support for older OS X versions.
if (TheTriple.isMacOSX() &&
TheTriple.isMacOSXVersionLT(10, 6))
diff --git a/tools/llvm-mc/llvm-mc.cpp b/tools/llvm-mc/llvm-mc.cpp
index ce4a5b3..280a1bb 100644
--- a/tools/llvm-mc/llvm-mc.cpp
+++ b/tools/llvm-mc/llvm-mc.cpp
@@ -409,8 +409,10 @@
}
Str.reset(TheTarget->createAsmStreamer(Ctx, FOS, /*asmverbose*/true,
/*useLoc*/ true,
- /*useCFI*/ true, IP, CE, MAB,
- ShowInst));
+ /*useCFI*/ true,
+ /*useDwarfDirectory*/ true,
+ IP, CE, MAB, ShowInst));
+
} else if (FileType == OFT_Null) {
Str.reset(createNullStreamer(Ctx));
} else {
@@ -515,4 +517,3 @@
return 0;
}
-
