1 files changed, 111 insertions, 0 deletions
diff --git a/lib/Target/Alpha/AlphaTargetMachine.cpp b/lib/Target/Alpha/AlphaTargetMachine.cpp
new file mode 100644
index 0000000..baf3ca8
--- /dev/null
+++ b/lib/Target/Alpha/AlphaTargetMachine.cpp
@@ -0,0 +1,111 @@
+//===-- AlphaTargetMachine.cpp - Define TargetMachine for Alpha -------===//
+// 
+//                     The LLVM Compiler Infrastructure
+//
+// This file was developed by the LLVM research group and is distributed under
+// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// 
+//===----------------------------------------------------------------------===//
+// 
+//
+//===----------------------------------------------------------------------===//
+
+#include "Alpha.h"
+#include "AlphaTargetMachine.h"
+#include "llvm/Module.h"
+#include "llvm/CodeGen/IntrinsicLowering.h"
+#include "llvm/CodeGen/MachineFunction.h"
+#include "llvm/CodeGen/Passes.h"
+#include "llvm/Target/TargetOptions.h"
+#include "llvm/Target/TargetMachineRegistry.h"
+#include "llvm/Transforms/Scalar.h"
+#include "llvm/Support/CommandLine.h"
+#include <iostream>
+using namespace llvm;
+
+namespace {
+  // Register the targets
+  RegisterTarget<AlphaTargetMachine> X("alpha", "  Alpha (incomplete)");
+}
+
+AlphaTargetMachine::AlphaTargetMachine( const Module &M, IntrinsicLowering *IL)
+  : TargetMachine("alpha", IL, true), 
+    FrameInfo(TargetFrameInfo::StackGrowsDown, 8, 0) //TODO: check these
+    //JITInfo(*this)
+{}
+
+bool AlphaTargetMachine::addPassesToEmitMachineCode(FunctionPassManager &PM,
+					  MachineCodeEmitter &MCE)
+{
+  assert(0 && "TODO");
+  return false;
+}
+
+
+/// addPassesToEmitAssembly - Add passes to the specified pass manager
+/// to implement a static compiler for this target.
+///
+bool AlphaTargetMachine::addPassesToEmitAssembly(PassManager &PM,
+                                                   std::ostream &Out) {
+  
+  // FIXME: Implement efficient support for garbage collection intrinsics.
+  PM.add(createLowerGCPass());
+
+  // FIXME: Implement the invoke/unwind instructions!
+  PM.add(createLowerInvokePass());
+
+  // FIXME: Implement the switch instruction in the instruction selector!
+  PM.add(createLowerSwitchPass());
+
+  PM.add(createLowerConstantExpressionsPass());
+
+  // Make sure that no unreachable blocks are instruction selected.
+  PM.add(createUnreachableBlockEliminationPass());
+
+  PM.add(createAlphaPatternInstructionSelector(*this));
+
+  if (PrintMachineCode)
+    PM.add(createMachineFunctionPrinterPass(&std::cerr));
+
+  PM.add(createRegisterAllocator());
+
+  if (PrintMachineCode)
+    PM.add(createMachineFunctionPrinterPass(&std::cerr));
+
+  PM.add(createPrologEpilogCodeInserter());
+  
+  // Must run branch selection immediately preceding the asm printer
+  //PM.add(createAlphaBranchSelectionPass());
+  
+  PM.add(createAlphaCodePrinterPass(Out, *this));
+    
+  PM.add(createMachineCodeDeleter());
+  return false;
+}
+
+//void AlphaJITInfo::addPassesToJITCompile(FunctionPassManager &PM) {
+//   // FIXME: Implement efficient support for garbage collection intrinsics.
+//   PM.add(createLowerGCPass());
+
+//   // FIXME: Implement the invoke/unwind instructions!
+//   PM.add(createLowerInvokePass());
+
+//   // FIXME: Implement the switch instruction in the instruction selector!
+//   PM.add(createLowerSwitchPass());
+
+//   PM.add(createLowerConstantExpressionsPass());
+
+//   // Make sure that no unreachable blocks are instruction selected.
+//   PM.add(createUnreachableBlockEliminationPass());
+
+//   PM.add(createPPC32ISelSimple(TM));
+//   PM.add(createRegisterAllocator());
+//   PM.add(createPrologEpilogCodeInserter());
+
+//   // Must run branch selection immediately preceding the asm printer
+//   PM.add(createPPCBranchSelectionPass());
+
+//   if (PrintMachineCode)
+//     PM.add(createMachineFunctionPrinterPass(&std::cerr));
+//}
+