1 files changed, 113 insertions, 0 deletions
diff --git a/llvm/lib/Target/Sparc/SparcTargetMachine.cpp b/llvm/lib/Target/Sparc/SparcTargetMachine.cpp
new file mode 100644
index 00000000000..2a2e9b47583
--- /dev/null
+++ b/llvm/lib/Target/Sparc/SparcTargetMachine.cpp
@@ -0,0 +1,113 @@
+//===-- SparcTargetMachine.cpp - Define TargetMachine for Sparc -----------===//
+//
+//                     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 "SparcTargetMachine.h"
+#include "Sparc.h"
+#include "llvm/Assembly/PrintModulePass.h"
+#include "llvm/Module.h"
+#include "llvm/PassManager.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 target.
+  RegisterTarget<SparcTargetMachine> X("sparc", "  SPARC");
+}
+
+/// SparcTargetMachine ctor - Create an ILP32 architecture model
+///
+SparcTargetMachine::SparcTargetMachine(const Module &M, IntrinsicLowering *IL,
+                                       const std::string &FS)
+  : TargetMachine("Sparc", IL, false, 4, 4),
+    Subtarget(M, FS), InstrInfo(Subtarget),
+    FrameInfo(TargetFrameInfo::StackGrowsDown, 8, 0) {
+}
+
+unsigned SparcTargetMachine::getModuleMatchQuality(const Module &M) {
+  std::string TT = M.getTargetTriple();
+  if (TT.size() >= 6 && std::string(TT.begin(), TT.begin()+6) == "sparc-")
+    return 20;
+
+  if (M.getEndianness()  == Module::BigEndian &&
+      M.getPointerSize() == Module::Pointer32)
+#ifdef __sparc__
+    return 20;   // BE/32 ==> Prefer sparc on sparc
+#else
+    return 5;    // BE/32 ==> Prefer ppc elsewhere
+#endif
+  else if (M.getEndianness() != Module::AnyEndianness ||
+           M.getPointerSize() != Module::AnyPointerSize)
+    return 0;                                    // Match for some other target
+
+  return 0;
+}
+
+/// addPassesToEmitFile - Add passes to the specified pass manager
+/// to implement a static compiler for this target.
+///
+bool SparcTargetMachine::addPassesToEmitFile(PassManager &PM, std::ostream &Out,
+                                             CodeGenFileType FileType,
+                                             bool Fast) {
+  if (FileType != TargetMachine::AssemblyFile) return true;
+
+  // 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());
+
+  // Print LLVM code input to instruction selector:
+  if (PrintMachineCode)
+    PM.add(new PrintFunctionPass());
+
+  // Make sure that no unreachable blocks are instruction selected.
+  PM.add(createUnreachableBlockEliminationPass());
+  
+  PM.add(createSparcISelDag(*this));
+
+  // Print machine instructions as they were initially generated.
+  if (PrintMachineCode)
+    PM.add(createMachineFunctionPrinterPass(&std::cerr));
+
+  PM.add(createRegisterAllocator());
+  PM.add(createPrologEpilogCodeInserter());
+
+  // Print machine instructions after register allocation and prolog/epilog
+  // insertion.
+  if (PrintMachineCode)
+    PM.add(createMachineFunctionPrinterPass(&std::cerr));
+
+  PM.add(createSparcFPMoverPass(*this));
+
+  PM.add(createSparcDelaySlotFillerPass(*this));
+
+  // Print machine instructions after filling delay slots.
+  if (PrintMachineCode)
+    PM.add(createMachineFunctionPrinterPass(&std::cerr));
+
+  // Output assembly language.
+  PM.add(createSparcCodePrinterPass(Out, *this));
+
+  // Delete the MachineInstrs we generated, since they're no longer needed.
+  PM.add(createMachineCodeDeleter());
+  return false;
+}
+