Massive check in. This changes the "-fast" flag to "-O#" in llc. If you want to

[oota-llvm.git] / lib / Target / Sparc / SparcTargetMachine.cpp

diff --git a/lib/Target/Sparc/SparcTargetMachine.cpp b/lib/Target/Sparc/SparcTargetMachine.cpp
index 324fcc3dc94a890caf5fd1d749f2eb1052f8050c..cabfce118aa11ae44e1a8a4f326f37792071bd80 100644 (file)
--- a/lib/Target/Sparc/SparcTargetMachine.cpp
+++ b/lib/Target/Sparc/SparcTargetMachine.cpp
@@ -2,37 +2,43 @@
 //
 //                     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.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
 //
 //===----------------------------------------------------------------------===//
 //
 //
 //===----------------------------------------------------------------------===//
 
+#include "SparcTargetAsmInfo.h"
 #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 <iostream>
 using namespace llvm;
 
-namespace {
-  // Register the target.
-  RegisterTarget<SparcTargetMachine> X("sparc", "  SPARC");
+/// SparcTargetMachineModule - Note that this is used on hosts that
+/// cannot link in a library unless there are references into the
+/// library.  In particular, it seems that it is not possible to get
+/// things to work on Win32 without this.  Though it is unused, do not
+/// remove it.
+extern "C" int SparcTargetMachineModule;
+int SparcTargetMachineModule = 0;
+
+// Register the target.
+static RegisterTarget<SparcTargetMachine> X("sparc", "SPARC");
+
+const TargetAsmInfo *SparcTargetMachine::createTargetAsmInfo() const {
+  // FIXME: Handle Solaris subtarget someday :)
+  return new SparcELFTargetAsmInfo(*this);
 }
 
 /// SparcTargetMachine ctor - Create an ILP32 architecture model
 ///
 SparcTargetMachine::SparcTargetMachine(const Module &M, const std::string &FS)
-  : DataLayout("E-p:32:32"),
-    Subtarget(M, FS), InstrInfo(Subtarget),
+  : DataLayout("E-p:32:32-f128:128:128"),
+    Subtarget(M, FS), TLInfo(*this), InstrInfo(Subtarget),
     FrameInfo(TargetFrameInfo::StackGrowsDown, 8, 0) {
 }
 
@@ -40,6 +46,9 @@ 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 the target triple is something non-sparc, we don't match.
+  if (!TT.empty()) return 0;
 
   if (M.getEndianness()  == Module::BigEndian &&
       M.getPointerSize() == Module::Pointer32)
@@ -52,60 +61,33 @@ unsigned SparcTargetMachine::getModuleMatchQuality(const Module &M) {
            M.getPointerSize() != Module::AnyPointerSize)
     return 0;                                    // Match for some other target
 
+#if defined(__sparc__)
+  return 10;
+#else
   return 0;
+#endif
 }
 
-/// 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;
-
-  // Run loop strength reduction before anything else.
-  if (!Fast) PM.add(createLoopStrengthReducePass());
-
-  // FIXME: Implement efficient support for garbage collection intrinsics.
-  PM.add(createLowerGCPass());
-
-  // FIXME: implement the invoke/unwind instructions!
-  PM.add(createLowerInvokePass());
-
-  // 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());
-  
+bool SparcTargetMachine::addInstSelector(PassManagerBase &PM,
+                                         unsigned OptLevel) {
   PM.add(createSparcISelDag(*this));
+  return false;
+}
 
-  // 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));
-
+/// addPreEmitPass - This pass may be implemented by targets that want to run
+/// passes immediately before machine code is emitted.  This should return
+/// true if -print-machineinstrs should print out the code after the passes.
+bool SparcTargetMachine::addPreEmitPass(PassManagerBase &PM, unsigned OptLevel){
   PM.add(createSparcFPMoverPass(*this));
-
   PM.add(createSparcDelaySlotFillerPass(*this));
+  return true;
+}
 
-  // Print machine instructions after filling delay slots.
-  if (PrintMachineCode)
-    PM.add(createMachineFunctionPrinterPass(&std::cerr));
-
+bool SparcTargetMachine::addAssemblyEmitter(PassManagerBase &PM,
+                                            unsigned OptLevel,
+                                            bool Verbose,
+                                            raw_ostream &Out) {
   // Output assembly language.
-  PM.add(createSparcCodePrinterPass(Out, *this));
-
-  // Delete the MachineInstrs we generated, since they're no longer needed.
-  PM.add(createMachineCodeDeleter());
+  PM.add(createSparcCodePrinterPass(Out, *this, OptLevel, Verbose));
   return false;
 }
-