Commit adfad4d7 authored by Reid Kleckner's avatar Reid Kleckner
Browse files

Forward declare the DWARFCache to avoid including LLVM DWARF details 

LLD's DWARF.h header leaks a lot of LLVM DWARF includes that LLD doesn't
need. For Chunks.cpp, I see a compile time decrease of 3.1s to 2.7s.
parent f4f47da5

lld/COFF/InputFiles.cpp

+1 −0
Original line number Diff line number Diff line
@@ -13,6 +13,7 @@ 
#include "Driver.h"

#include "SymbolTable.h"

#include "Symbols.h"

#include "lld/Common/DWARF.h"

#include "lld/Common/ErrorHandler.h"

#include "lld/Common/Memory.h"

#include "llvm-c/lto.h"

lld/COFF/InputFiles.h

+2 −1
Original line number Diff line number Diff line
@@ -10,7 +10,6 @@ 
#define LLD_COFF_INPUT_FILES_H



#include "Config.h"

#include "lld/Common/DWARF.h"

#include "lld/Common/LLVM.h"

#include "llvm/ADT/ArrayRef.h"

#include "llvm/ADT/DenseMap.h"
@@ -35,6 +34,8 @@ class InputFile; 
}



namespace lld {

class DWARFCache;



namespace coff {



std::vector<MemoryBufferRef> getArchiveMembers(llvm::object::Archive *file);

lld/ELF/InputFiles.cpp

+1 −0
Original line number Diff line number Diff line
@@ -13,6 +13,7 @@ 
#include "SymbolTable.h"

#include "Symbols.h"

#include "SyntheticSections.h"

#include "lld/Common/DWARF.h"

#include "lld/Common/ErrorHandler.h"

#include "lld/Common/Memory.h"

#include "llvm/ADT/STLExtras.h"

lld/ELF/InputFiles.h

+2 −1
Original line number Diff line number Diff line
@@ -10,7 +10,6 @@ 
#define LLD_ELF_INPUT_FILES_H



#include "Config.h"

#include "lld/Common/DWARF.h"

#include "lld/Common/ErrorHandler.h"

#include "lld/Common/LLVM.h"

#include "lld/Common/Reproduce.h"
@@ -25,6 +24,7 @@ 
#include <map>



namespace llvm {

struct DILineInfo;

class TarWriter;

namespace lto {

class InputFile;
@@ -32,6 +32,7 @@ class InputFile; 
} // namespace llvm



namespace lld {

class DWARFCache;



// Returns "<internal>", "foo.a(bar.o)" or "baz.o".

std::string toString(const elf::InputFile *f);