1 files changed, 66 insertions, 0 deletions
diff --git a/lib/Target/MBlaze/MBlazeTargetMachine.cpp b/lib/Target/MBlaze/MBlazeTargetMachine.cpp
new file mode 100644
index 0000000000..9eba2b3c47
--- /dev/null
+++ b/lib/Target/MBlaze/MBlazeTargetMachine.cpp
@@ -0,0 +1,66 @@
+//===-- MBlazeTargetMachine.cpp - Define TargetMachine for MBlaze ---------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// Implements the info about MBlaze target spec.
+//
+//===----------------------------------------------------------------------===//
+
+#include "MBlaze.h"
+#include "MBlazeMCAsmInfo.h"
+#include "MBlazeTargetMachine.h"
+#include "llvm/PassManager.h"
+#include "llvm/Target/TargetRegistry.h"
+using namespace llvm;
+
+extern "C" void LLVMInitializeMBlazeTarget() {
+  // Register the target.
+  RegisterTargetMachine<MBlazeTargetMachine> X(TheMBlazeTarget);
+  RegisterAsmInfo<MBlazeMCAsmInfo> A(TheMBlazeTarget);
+}
+
+// DataLayout --> Big-endian, 32-bit pointer/ABI/alignment
+// The stack is always 8 byte aligned
+// On function prologue, the stack is created by decrementing
+// its pointer. Once decremented, all references are done with positive
+// offset from the stack/frame pointer, using StackGrowsUp enables
+// an easier handling.
+MBlazeTargetMachine::
+MBlazeTargetMachine(const Target &T, const std::string &TT,
+                    const std::string &FS):
+  LLVMTargetMachine(T, TT),
+  Subtarget(TT, FS),
+  DataLayout("E-p:32:32-i8:8:8-i16:16:16-i64:32:32-"
+             "f64:32:32-v64:32:32-v128:32:32-n32"),
+  InstrInfo(*this),
+  FrameInfo(TargetFrameInfo::StackGrowsUp, 8, 0),
+  TLInfo(*this) {
+  if (getRelocationModel() == Reloc::Default) {
+      setRelocationModel(Reloc::Static);
+  }
+
+  if (getCodeModel() == CodeModel::Default)
+    setCodeModel(CodeModel::Small);
+}
+
+// Install an instruction selector pass using
+// the ISelDag to gen MBlaze code.
+bool MBlazeTargetMachine::
+addInstSelector(PassManagerBase &PM, CodeGenOpt::Level OptLevel) {
+  PM.add(createMBlazeISelDag(*this));
+  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));
+  return true;
+}