[C++11] More 'nullptr' conversion. In some cases just using a boolean check instead...

[oota-llvm.git] / lib / CodeGen / LLVMTargetMachine.cpp

diff --git a/lib/CodeGen/LLVMTargetMachine.cpp b/lib/CodeGen/LLVMTargetMachine.cpp
index 5699511a4deda545ec3586aa5b589f530dba574d..5b07ad3d30a50c0cbd5f1674d6c8a1f93f65f1af 100644 (file)
--- a/lib/CodeGen/LLVMTargetMachine.cpp
+++ b/lib/CodeGen/LLVMTargetMachine.cpp
@@ -12,12 +12,11 @@
 //===----------------------------------------------------------------------===//
 
 #include "llvm/Target/TargetMachine.h"
-#include "llvm/ADT/OwningPtr.h"
-#include "llvm/Assembly/PrintModulePass.h"
 #include "llvm/CodeGen/AsmPrinter.h"
 #include "llvm/CodeGen/MachineFunctionAnalysis.h"
 #include "llvm/CodeGen/MachineModuleInfo.h"
 #include "llvm/CodeGen/Passes.h"
+#include "llvm/IR/IRPrintingPasses.h"
 #include "llvm/MC/MCAsmInfo.h"
 #include "llvm/MC/MCContext.h"
 #include "llvm/MC/MCInstrInfo.h"
@@ -63,14 +62,23 @@ static bool getVerboseAsm() {
 }
 
 void LLVMTargetMachine::initAsmInfo() {
-  AsmInfo = TheTarget.createMCAsmInfo(*getRegisterInfo(), TargetTriple);
+  MCAsmInfo *TmpAsmInfo = TheTarget.createMCAsmInfo(*getRegisterInfo(),
+                                                    TargetTriple);
   // TargetSelect.h moved to a different directory between LLVM 2.9 and 3.0,
   // and if the old one gets included then MCAsmInfo will be NULL and
   // we'll crash later.
   // Provide the user with a useful error message about what's wrong.
-  assert(AsmInfo && "MCAsmInfo not initialized. "
+  assert(TmpAsmInfo && "MCAsmInfo not initialized. "
          "Make sure you include the correct TargetSelect.h"
          "and that InitializeAllTargetMCs() is being invoked!");
+
+  if (Options.DisableIntegratedAS)
+    TmpAsmInfo->setUseIntegratedAssembler(false);
+
+  if (Options.CompressDebugSections)
+    TmpAsmInfo->setCompressDebugSections(true);
+
+  AsmInfo = TmpAsmInfo;
 }
 
 LLVMTargetMachine::LLVMTargetMachine(const Target &T, StringRef Triple,
@@ -92,6 +100,9 @@ static MCContext *addPassesToGenerateCode(LLVMTargetMachine *TM,
                                           bool DisableVerify,
                                           AnalysisID StartAfter,
                                           AnalysisID StopAfter) {
+  // Add internal analysis passes from the target machine.
+  TM->addAnalysisPasses(PM);
+
   // Targets may override createPassConfig to provide a target-specific sublass.
   TargetPassConfig *PassConfig = TM->createPassConfig(PM);
   PassConfig->setStartStopPasses(StartAfter, StopAfter);
@@ -127,7 +138,7 @@ static MCContext *addPassesToGenerateCode(LLVMTargetMachine *TM,
 
   // Ask the target for an isel.
   if (PassConfig->addInstSelector())
-    return NULL;
+    return nullptr;
 
   PassConfig->addMachinePasses();
 
@@ -154,7 +165,7 @@ bool LLVMTargetMachine::addPassesToEmitFile(PassManagerBase &PM,
     // machine-level pass), and whatever other information is needed to
     // deserialize the code and resume compilation.  For now, just write the
     // LLVM IR.
-    PM.add(createPrintModulePass(&Out));
+    PM.add(createPrintModulePass(Out));
     return false;
   }
 
@@ -165,7 +176,7 @@ bool LLVMTargetMachine::addPassesToEmitFile(PassManagerBase &PM,
   const MCRegisterInfo &MRI = *getRegisterInfo();
   const MCInstrInfo &MII = *getInstrInfo();
   const MCSubtargetInfo &STI = getSubtarget<MCSubtargetInfo>();
-  OwningPtr<MCStreamer> AsmStreamer;
+  std::unique_ptr<MCStreamer> AsmStreamer;
 
   switch (FileType) {
   case CGFT_AssemblyFile: {
@@ -174,7 +185,7 @@ bool LLVMTargetMachine::addPassesToEmitFile(PassManagerBase &PM,
                                       MII, MRI, STI);
 
     // Create a code emitter if asked to show the encoding.
-    MCCodeEmitter *MCE = 0;
+    MCCodeEmitter *MCE = nullptr;
     if (ShowMCEncoding)
       MCE = getTarget().createMCCodeEmitter(MII, MRI, STI, *Context);
 
@@ -182,7 +193,6 @@ bool LLVMTargetMachine::addPassesToEmitFile(PassManagerBase &PM,
                                                        TargetCPU);
     MCStreamer *S = getTarget().createAsmStreamer(*Context, Out,
                                                   getVerboseAsm(),
-                                                  hasMCUseLoc(),
                                                   hasMCUseCFI(),
                                                   hasMCUseDwarfDirectory(),
                                                   InstPrinter,
@@ -198,14 +208,12 @@ bool LLVMTargetMachine::addPassesToEmitFile(PassManagerBase &PM,
                                                          *Context);
     MCAsmBackend *MAB = getTarget().createMCAsmBackend(MRI, getTargetTriple(),
                                                        TargetCPU);
-    if (MCE == 0 || MAB == 0)
+    if (!MCE || !MAB)
       return true;
 
-    AsmStreamer.reset(getTarget().createMCObjectStreamer(getTargetTriple(),
-                                                         *Context, *MAB, Out,
-                                                         MCE, hasMCRelaxAll(),
-                                                         hasMCNoExecStack()));
-    AsmStreamer.get()->setAutoInitSections(true);
+    AsmStreamer.reset(getTarget().createMCObjectStreamer(
+        getTargetTriple(), *Context, *MAB, Out, MCE, STI, hasMCRelaxAll(),
+        hasMCNoExecStack()));
     break;
   }
   case CGFT_Null:
@@ -217,11 +225,11 @@ bool LLVMTargetMachine::addPassesToEmitFile(PassManagerBase &PM,
 
   // Create the AsmPrinter, which takes ownership of AsmStreamer if successful.
   FunctionPass *Printer = getTarget().createAsmPrinter(*this, *AsmStreamer);
-  if (Printer == 0)
+  if (!Printer)
     return true;
 
   // If successful, createAsmPrinter took ownership of AsmStreamer.
-  AsmStreamer.take();
+  AsmStreamer.release();
 
   PM.add(Printer);
 
@@ -231,14 +239,15 @@ bool LLVMTargetMachine::addPassesToEmitFile(PassManagerBase &PM,
 /// addPassesToEmitMachineCode - Add passes to the specified pass manager to
 /// get machine code emitted.  This uses a JITCodeEmitter object to handle
 /// actually outputting the machine code and resolving things like the address
-/// of functions.  This method should returns true if machine code emission is
+/// of functions.  This method should return true if machine code emission is
 /// not supported.
 ///
 bool LLVMTargetMachine::addPassesToEmitMachineCode(PassManagerBase &PM,
                                                    JITCodeEmitter &JCE,
                                                    bool DisableVerify) {
   // Add common CodeGen passes.
-  MCContext *Context = addPassesToGenerateCode(this, PM, DisableVerify, 0, 0);
+  MCContext *Context = addPassesToGenerateCode(this, PM, DisableVerify, nullptr,
+                                               nullptr);
   if (!Context)
     return true;
 
@@ -257,7 +266,7 @@ bool LLVMTargetMachine::addPassesToEmitMC(PassManagerBase &PM,
                                           raw_ostream &Out,
                                           bool DisableVerify) {
   // Add common CodeGen passes.
-  Ctx = addPassesToGenerateCode(this, PM, DisableVerify, 0, 0);
+  Ctx = addPassesToGenerateCode(this, PM, DisableVerify, nullptr, nullptr);
   if (!Ctx)
     return true;
 
@@ -272,23 +281,21 @@ bool LLVMTargetMachine::addPassesToEmitMC(PassManagerBase &PM,
                                                        STI, *Ctx);
   MCAsmBackend *MAB = getTarget().createMCAsmBackend(MRI, getTargetTriple(),
                                                      TargetCPU);
-  if (MCE == 0 || MAB == 0)
+  if (!MCE || !MAB)
     return true;
 
-  OwningPtr<MCStreamer> AsmStreamer;
-  AsmStreamer.reset(getTarget().createMCObjectStreamer(getTargetTriple(), *Ctx,
-                                                       *MAB, Out, MCE,
-                                                       hasMCRelaxAll(),
-                                                       hasMCNoExecStack()));
-  AsmStreamer.get()->InitSections();
+  std::unique_ptr<MCStreamer> AsmStreamer;
+  AsmStreamer.reset(getTarget().createMCObjectStreamer(
+      getTargetTriple(), *Ctx, *MAB, Out, MCE, STI, hasMCRelaxAll(),
+      hasMCNoExecStack()));
 
   // Create the AsmPrinter, which takes ownership of AsmStreamer if successful.
   FunctionPass *Printer = getTarget().createAsmPrinter(*this, *AsmStreamer);
-  if (Printer == 0)
+  if (!Printer)
     return true;
 
   // If successful, createAsmPrinter took ownership of AsmStreamer.
-  AsmStreamer.take();
+  AsmStreamer.release();
 
   PM.add(Printer);