[lld] r243358 - Use SmallDenseMap instead of std::map where we don't care about order of keys.

[Rui Ueyama]

Author: ruiu
Date: Mon Jul 27 19:17:25 2015
New Revision: 243358

URL: http://llvm.org/viewvc/llvm-project?rev=243358&view=rev
Log:
Use SmallDenseMap instead of std::map where we don't care about order of keys.

Modified:
    lld/trunk/COFF/Writer.cpp
    lld/trunk/ELF/Writer.cpp

Modified: lld/trunk/COFF/Writer.cpp
URL: http://llvm.org/viewvc/llvm-project/lld/trunk/COFF/Writer.cpp?rev=243358&r1=243357&r2=243358&view=diff
==============================================================================
--- lld/trunk/COFF/Writer.cpp (original)
+++ lld/trunk/COFF/Writer.cpp Mon Jul 27 19:17:25 2015
@@ -10,8 +10,9 @@
 #include "Config.h"
 #include "Writer.h"
 #include "llvm/ADT/ArrayRef.h"
-#include "llvm/ADT/StringSwitch.h"
+#include "llvm/ADT/DenseMap.h"
 #include "llvm/ADT/STLExtras.h"
+#include "llvm/ADT/StringSwitch.h"
 #include "llvm/Support/Debug.h"
 #include "llvm/Support/Endian.h"
 #include "llvm/Support/FileOutputBuffer.h"
@@ -195,7 +196,7 @@ void Writer::createSections() {
   // '$' and all following characters in input section names are
   // discarded when determining output section. So, .text$foo
   // contributes to .text, for example. See PE/COFF spec 3.2.
-  std::map<StringRef, OutputSection *> Sections;
+  SmallDenseMap<StringRef, OutputSection *> Sections;
   for (auto Pair : Map) {
     StringRef Name = getOutputSection(Pair.first);
     OutputSection *&Sec = Sections[Name];

Modified: lld/trunk/ELF/Writer.cpp
URL: http://llvm.org/viewvc/llvm-project/lld/trunk/ELF/Writer.cpp?rev=243358&r1=243357&r2=243358&view=diff
==============================================================================
--- lld/trunk/ELF/Writer.cpp (original)
+++ lld/trunk/ELF/Writer.cpp Mon Jul 27 19:17:25 2015
@@ -10,7 +10,7 @@
 #include "Writer.h"
 #include "Chunks.h"
 #include "Driver.h"
-#include <map>
+#include "llvm/ADT/DenseMap.h"
 
 using namespace llvm;
 using namespace llvm::ELF;
@@ -61,7 +61,7 @@ void OutputSection::addChunk(Chunk *C) {
 
 // Create output section objects and add them to OutputSections.
 template <class ELFT> void Writer<ELFT>::createSections() {
-  std::map<StringRef, OutputSection *> Map;
+  SmallDenseMap<StringRef, OutputSection *> Map;
   for (Chunk *C : Symtab->getChunks()) {
     OutputSection *&Sec = Map[C->getSectionName()];
     if (!Sec) {