Instead of passing in an unsigned value for the optimization level, use an enum,
[oota-llvm.git] / lib / Target / IA64 / IA64TargetMachine.cpp
index 8e31a3810faf185621ddf5d30be64adb2db1bdbc..878a00a445185860bc045413612d7ee87e755ac5 100644 (file)
@@ -2,27 +2,21 @@
 //
 //                     The LLVM Compiler Infrastructure
 //
-// This file was developed by Duraid Madina and is distributed under the
-// University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
-// This file defines the IA64 specific subclass of TargetMachine.
+// This file implements the IA64 specific subclass of TargetMachine.
 //
 //===----------------------------------------------------------------------===//
 
+#include "IA64TargetAsmInfo.h"
 #include "IA64TargetMachine.h"
 #include "IA64.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 "llvm/ADT/Statistic.h"
-#include <iostream>
 using namespace llvm;
 
 /// IA64TargetMachineModule - Note that this is used on hosts that cannot link
@@ -32,24 +26,11 @@ using namespace llvm;
 extern "C" int IA64TargetMachineModule;
 int IA64TargetMachineModule = 0;
 
-namespace {
-  cl::opt<bool> DisableOutput("disable-ia64-llc-output", cl::Hidden,
-                              cl::desc("Disable the IA64 asm printer, for use "
-                                       "when profiling the code generator."));
+static RegisterTarget<IA64TargetMachine> X("ia64", 
+                                           "IA-64 (Itanium) [experimental]");
 
-  cl::opt<bool> EnableDAGIsel("enable-ia64-dag-isel", cl::Hidden,
-                             cl::desc("Enable the IA64 DAG->DAG isel"));
-
-  // Register the target.
-  RegisterTarget<IA64TargetMachine> X("ia64", "  IA-64 (Itanium)");
-}
-
-unsigned IA64TargetMachine::compileTimeMatchQuality() {
-#if defined(__ia64__) || defined(__IA64__)
-  return 50;
-#else
-  return 0;
-#endif
+const TargetAsmInfo *IA64TargetMachine::createTargetAsmInfo() const {
+  return new IA64TargetAsmInfo(*this);
 }
 
 unsigned IA64TargetMachine::getModuleMatchQuality(const Module &M) {
@@ -65,81 +46,49 @@ unsigned IA64TargetMachine::getModuleMatchQuality(const Module &M) {
           seenIA64=true;
     }
 
-    if(seenIA64)
-      return 50; // strong match
+    if (seenIA64)
+      return 20; // strong match
   }
+  // If the target triple is something non-ia64, we don't match.
+  if (!TT.empty()) return 0;
 
-  return compileTimeMatchQuality()/2;
-
+#if defined(__ia64__) || defined(__IA64__)
+  return 5;
+#else
+  return 0;
+#endif
 }
 
 /// IA64TargetMachine ctor - Create an LP64 architecture model
 ///
 IA64TargetMachine::IA64TargetMachine(const Module &M, const std::string &FS)
-  : TargetMachine("IA64"), DataLayout("IA64", true),
+  : DataLayout("e-f80:128:128"),
     FrameInfo(TargetFrameInfo::StackGrowsDown, 16, 0),
     TLInfo(*this) { // FIXME? check this stuff
 }
 
-// addPassesToEmitFile - We currently use all of the same passes as the JIT
-// does to emit statically compiled machine code.
-bool IA64TargetMachine::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(704, 16)); // on ia64 linux, jmpbufs are 704
-                                          // bytes and must be 16byte aligned
 
-  // Make sure that no unreachable blocks are instruction selected.
-  PM.add(createUnreachableBlockEliminationPass());
+//===----------------------------------------------------------------------===//
+// Pass Pipeline Configuration
+//===----------------------------------------------------------------------===//
 
-  // Add an instruction selector
-// FIXME: reap this option one day:  if(EnableDAGIsel)
+bool IA64TargetMachine::addInstSelector(PassManagerBase &PM,
+                                        CodeGenOpt::Level OptLevel){
   PM.add(createIA64DAGToDAGInstructionSelector(*this));
-  
-/* XXX not yet. ;)
-  // Run optional SSA-based machine code optimizations next...
-  if (!NoSSAPeephole)
-    PM.add(createIA64SSAPeepholeOptimizerPass());
-*/
-
-  // Print the instruction selected machine code...
-  if (PrintMachineCode)
-    PM.add(createMachineFunctionPrinterPass(&std::cerr));
-
-  // Perform register allocation to convert to a concrete IA64 representation
-  PM.add(createRegisterAllocator());
-
-  if (PrintMachineCode)
-    PM.add(createMachineFunctionPrinterPass(&std::cerr));
-
-  if (PrintMachineCode)
-    PM.add(createMachineFunctionPrinterPass(&std::cerr));
-
-  // Insert prolog/epilog code.  Eliminate abstract frame index references...
-  PM.add(createPrologEpilogCodeInserter());
-
-/* XXX no, not just yet */
-//  PM.add(createIA64PeepholeOptimizerPass());
+  return false;
+}
 
+bool IA64TargetMachine::addPreEmitPass(PassManagerBase &PM,
+                                       CodeGenOpt::Level OptLevel) {
   // Make sure everything is bundled happily
   PM.add(createIA64BundlingPass(*this));
-
-  if (PrintMachineCode)  // Print the register-allocated code
-    PM.add(createIA64CodePrinterPass(std::cerr, *this));
-
-  if (!DisableOutput)
-    PM.add(createIA64CodePrinterPass(Out, *this));
-
-  // Delete machine code for this function
-  PM.add(createMachineCodeDeleter());
-
-  return false; // success!
+  return true;
+}
+bool IA64TargetMachine::addAssemblyEmitter(PassManagerBase &PM,
+                                           CodeGenOpt::Level OptLevel,
+                                           bool Verbose,
+                                           raw_ostream &Out) {
+  PM.add(createIA64CodePrinterPass(Out, *this, OptLevel, Verbose));
+  return false;
 }