Merge commit '7dfcb84fc16b3bf6b2379713b53090757f0a45f9'

Conflicts:
	docs/LangRef.rst
	include/llvm/CodeGen/CallingConvLower.h
	include/llvm/IRReader/IRReader.h
	include/llvm/Target/TargetMachine.h
	lib/CodeGen/CallingConvLower.cpp
	lib/IRReader/IRReader.cpp
	lib/IRReader/LLVMBuild.txt
	lib/IRReader/Makefile
	lib/LLVMBuild.txt
	lib/Makefile
	lib/Support/MemoryBuffer.cpp
	lib/Support/Unix/PathV2.inc
	lib/Target/ARM/ARMBaseInstrInfo.cpp
	lib/Target/ARM/ARMISelLowering.cpp
	lib/Target/ARM/ARMInstrInfo.td
	lib/Target/ARM/ARMSubtarget.cpp
	lib/Target/ARM/ARMTargetMachine.cpp
	lib/Target/Mips/CMakeLists.txt
	lib/Target/Mips/MipsDelaySlotFiller.cpp
	lib/Target/Mips/MipsISelLowering.cpp
	lib/Target/Mips/MipsInstrInfo.td
	lib/Target/Mips/MipsSubtarget.cpp
	lib/Target/Mips/MipsSubtarget.h
	lib/Target/X86/X86FastISel.cpp
	lib/Target/X86/X86ISelDAGToDAG.cpp
	lib/Target/X86/X86ISelLowering.cpp
	lib/Target/X86/X86InstrControl.td
	lib/Target/X86/X86InstrFormats.td
	lib/Transforms/IPO/ExtractGV.cpp
	lib/Transforms/InstCombine/InstCombineCompares.cpp
	lib/Transforms/Utils/SimplifyLibCalls.cpp
	test/CodeGen/X86/fast-isel-divrem.ll
	test/MC/ARM/data-in-code.ll
	tools/Makefile
	tools/llvm-extract/llvm-extract.cpp
	tools/llvm-link/CMakeLists.txt
	tools/opt/CMakeLists.txt
	tools/opt/LLVMBuild.txt
	tools/opt/Makefile
	tools/opt/opt.cpp

1 files changed, 12 insertions, 13 deletions

diff --git a/lib/MC/MCStreamer.cpp b/lib/MC/MCStreamer.cpp
index 9857f7bb08..8f1895e048 100644
--- a/lib/MC/MCStreamer.cpp
+++ b/lib/MC/MCStreamer.cpp
@@ -24,8 +24,7 @@ using namespace llvm;
 MCStreamer::MCStreamer(StreamerKind Kind, MCContext &Ctx)
     : Kind(Kind), Context(Ctx), EmitEHFrame(true), EmitDebugFrame(false),
       CurrentW64UnwindInfo(0), LastSymbol(0), AutoInitSections(false) {
-  const MCSection *section = NULL;
-  SectionStack.push_back(std::make_pair(section, section));
+  SectionStack.push_back(std::pair<MCSectionSubPair, MCSectionSubPair>());
 }
 
 MCStreamer::~MCStreamer() {
@@ -36,13 +35,13 @@ MCStreamer::~MCStreamer() {
 void MCStreamer::reset() {
   for (unsigned i = 0; i < getNumW64UnwindInfos(); ++i)
     delete W64UnwindInfos[i];
+  W64UnwindInfos.clear();
   EmitEHFrame = true;
   EmitDebugFrame = false;
   CurrentW64UnwindInfo = 0;
   LastSymbol = 0;
-  const MCSection *section = NULL;
   SectionStack.clear();
-  SectionStack.push_back(std::make_pair(section, section));
+  SectionStack.push_back(std::pair<MCSectionSubPair, MCSectionSubPair>());
 }
 
 const MCExpr *MCStreamer::BuildSymbolDiff(MCContext &Context,
@@ -157,8 +156,8 @@ void MCStreamer::EmitFill(uint64_t NumBytes, uint8_t FillValue,
 
 bool MCStreamer::EmitDwarfFileDirective(unsigned FileNo,
                                         StringRef Directory,
-                                        StringRef Filename) {
-  return getContext().GetDwarfFile(Directory, Filename, FileNo) == 0;
+                                        StringRef Filename, unsigned CUID) {
+  return getContext().GetDwarfFile(Directory, Filename, FileNo, CUID) == 0;
 }
 
 void MCStreamer::EmitDwarfLocDirective(unsigned FileNo, unsigned Line,
@@ -172,7 +171,7 @@ void MCStreamer::EmitDwarfLocDirective(unsigned FileNo, unsigned Line,
 
 MCDwarfFrameInfo *MCStreamer::getCurrentFrameInfo() {
   if (FrameInfos.empty())
-    return NULL;
+    return 0;
   return &FrameInfos.back();
 }
 
@@ -188,15 +187,15 @@ void MCStreamer::EmitEHSymAttributes(const MCSymbol *Symbol,
 
 void MCStreamer::EmitLabel(MCSymbol *Symbol) {
   assert(!Symbol->isVariable() && "Cannot emit a variable symbol!");
-  assert(getCurrentSection() && "Cannot emit before setting section!");
-  Symbol->setSection(*getCurrentSection());
+  assert(getCurrentSection().first && "Cannot emit before setting section!");
+  Symbol->setSection(*getCurrentSection().first);
   LastSymbol = Symbol;
 }
 
 void MCStreamer::EmitDebugLabel(MCSymbol *Symbol) {
   assert(!Symbol->isVariable() && "Cannot emit a variable symbol!");
-  assert(getCurrentSection() && "Cannot emit before setting section!");
-  Symbol->setSection(*getCurrentSection());
+  assert(getCurrentSection().first && "Cannot emit before setting section!");
+  Symbol->setSection(*getCurrentSection().first);
   LastSymbol = Symbol;
 }
 
@@ -473,7 +472,7 @@ void MCStreamer::EmitWin64EHSetFrame(unsigned Register, unsigned Offset) {
     report_fatal_error("Frame register and offset already specified!");
   if (Offset & 0x0F)
     report_fatal_error("Misaligned frame pointer offset!");
-  MCWin64EHInstruction Inst(Win64EH::UOP_SetFPReg, NULL, Register, Offset);
+  MCWin64EHInstruction Inst(Win64EH::UOP_SetFPReg, 0, Register, Offset);
   CurFrame->LastFrameInst = CurFrame->Instructions.size();
   CurFrame->Instructions.push_back(Inst);
 }
@@ -623,5 +622,5 @@ void MCStreamer::Finish() {
 
 MCSymbolData &MCStreamer::getOrCreateSymbolData(MCSymbol *Symbol) {
   report_fatal_error("Not supported!");
-  return *(static_cast<MCSymbolData*> (NULL));
+  return *(static_cast<MCSymbolData*>(0));
 }