Add LICENSE.TXT covering contributions made by ARM.

[oota-llvm.git] / lib / Target / MBlaze / MBlazeTargetMachine.cpp

diff --git a/lib/Target/MBlaze/MBlazeTargetMachine.cpp b/lib/Target/MBlaze/MBlazeTargetMachine.cpp
index 945c847ae93c2e3f8f56883dd3d957120f62a6eb..bcdd32fed947d26ca4a800141eb40b74373b71aa 100644 (file)
--- a/lib/Target/MBlaze/MBlazeTargetMachine.cpp
+++ b/lib/Target/MBlaze/MBlazeTargetMachine.cpp
@@ -11,53 +11,18 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "MBlaze.h"
 #include "MBlazeTargetMachine.h"
-#include "llvm/PassManager.h"
+#include "MBlaze.h"
 #include "llvm/CodeGen/Passes.h"
+#include "llvm/PassManager.h"
 #include "llvm/Support/FormattedStream.h"
+#include "llvm/Support/TargetRegistry.h"
 #include "llvm/Target/TargetOptions.h"
-#include "llvm/Target/TargetRegistry.h"
 using namespace llvm;
 
-static MCStreamer *createMCStreamer(const Target &T, const std::string &TT,
-                                    MCContext &Ctx, TargetAsmBackend &TAB,
-                                    raw_ostream &_OS,
-                                    MCCodeEmitter *_Emitter,
-                                    bool RelaxAll,
-                                    bool NoExecStack) {
-  Triple TheTriple(TT);
-
-  if (TheTriple.isOSDarwin()) {
-    llvm_unreachable("MBlaze does not support Darwin MACH-O format");
-    return NULL;
-  }
-
-  if (TheTriple.isOSWindows()) {
-    llvm_unreachable("MBlaze does not support Windows COFF format");
-    return NULL;
-  }
-
-  return createELFStreamer(Ctx, TAB, _OS, _Emitter, RelaxAll, NoExecStack);
-}
-
-
 extern "C" void LLVMInitializeMBlazeTarget() {
   // Register the target.
   RegisterTargetMachine<MBlazeTargetMachine> X(TheMBlazeTarget);
-
-  // Register the MC code emitter
-  TargetRegistry::RegisterCodeEmitter(TheMBlazeTarget,
-                                      llvm::createMBlazeMCCodeEmitter);
-
-  // Register the asm backend
-  TargetRegistry::RegisterAsmBackend(TheMBlazeTarget,
-                                     createMBlazeAsmBackend);
-
-  // Register the object streamer
-  TargetRegistry::RegisterObjectStreamer(TheMBlazeTarget,
-                                         createMCStreamer);
-
 }
 
 // DataLayout --> Big-endian, 32-bit pointer/ABI/alignment
@@ -68,31 +33,49 @@ extern "C" void LLVMInitializeMBlazeTarget() {
 // an easier handling.
 MBlazeTargetMachine::
 MBlazeTargetMachine(const Target &T, StringRef TT,
-                    StringRef CPU, StringRef FS, Reloc::Model RM):
-  LLVMTargetMachine(T, TT, CPU, FS, RM),
-  Subtarget(TT, CPU, FS),
-  DataLayout("E-p:32:32:32-i8:8:8-i16:16:16"),
-  InstrInfo(*this),
-  FrameLowering(Subtarget),
-  TLInfo(*this), TSInfo(*this), ELFWriterInfo(*this),
-  InstrItins(Subtarget.getInstrItineraryData()) {
-  if (getCodeModel() == CodeModel::Default)
-    setCodeModel(CodeModel::Small);
+                    StringRef CPU, StringRef FS, const TargetOptions &Options,
+                    Reloc::Model RM, CodeModel::Model CM,
+                    CodeGenOpt::Level OL)
+  : LLVMTargetMachine(T, TT, CPU, FS, Options, RM, CM, OL),
+    Subtarget(TT, CPU, FS),
+    DL("E-p:32:32:32-i8:8:8-i16:16:16"),
+    InstrInfo(*this),
+    FrameLowering(Subtarget),
+    TLInfo(*this), TSInfo(*this),
+    InstrItins(Subtarget.getInstrItineraryData()) {
+}
+
+namespace {
+/// MBlaze Code Generator Pass Configuration Options.
+class MBlazePassConfig : public TargetPassConfig {
+public:
+  MBlazePassConfig(MBlazeTargetMachine *TM, PassManagerBase &PM)
+    : TargetPassConfig(TM, PM) {}
+
+  MBlazeTargetMachine &getMBlazeTargetMachine() const {
+    return getTM<MBlazeTargetMachine>();
+  }
+
+  virtual bool addInstSelector();
+  virtual bool addPreEmitPass();
+};
+} // namespace
+
+TargetPassConfig *MBlazeTargetMachine::createPassConfig(PassManagerBase &PM) {
+  return new MBlazePassConfig(this, PM);
 }
 
 // Install an instruction selector pass using
 // the ISelDag to gen MBlaze code.
-bool MBlazeTargetMachine::addInstSelector(PassManagerBase &PM,
-                                          CodeGenOpt::Level OptLevel) {
-  PM.add(createMBlazeISelDag(*this));
+bool MBlazePassConfig::addInstSelector() {
+  addPass(createMBlazeISelDag(getMBlazeTargetMachine()));
   return false;
 }
 
 // Implemented by targets that want to run passes immediately before
 // machine code is emitted. return true if -print-machineinstrs should
 // print out the code after the passes.
-bool MBlazeTargetMachine::addPreEmitPass(PassManagerBase &PM,
-                                         CodeGenOpt::Level OptLevel) {
-  PM.add(createMBlazeDelaySlotFillerPass(*this));
+bool MBlazePassConfig::addPreEmitPass() {
+  addPass(createMBlazeDelaySlotFillerPass(getMBlazeTargetMachine()));
   return true;
 }