X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FTarget%2FMips%2FMipsTargetMachine.cpp;h=a195a48961a23c223b9a5d8a5acd02205fa32c68;hb=439661395fd2a2a832dba01c65bc88718528313c;hp=4b13b78d020b5cf82f31b03b169334c972ae7b2e;hpb=57f0db833dc30404f1f5d28b23df326e520698ec;p=oota-llvm.git

diff --git a/lib/Target/Mips/MipsTargetMachine.cpp b/lib/Target/Mips/MipsTargetMachine.cpp
index 4b13b78d020..a195a48961a 100644
--- a/lib/Target/Mips/MipsTargetMachine.cpp
+++ b/lib/Target/Mips/MipsTargetMachine.cpp
@@ -12,122 +12,70 @@
 //===----------------------------------------------------------------------===//
 
 #include "Mips.h"
-#include "MipsTargetAsmInfo.h"
 #include "MipsTargetMachine.h"
-#include "llvm/Module.h"
 #include "llvm/PassManager.h"
-#include "llvm/Target/TargetMachineRegistry.h"
+#include "llvm/Target/TargetRegistry.h"
 using namespace llvm;
 
-/// MipsTargetMachineModule - 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 MipsTargetMachineModule;
-int MipsTargetMachineModule = 0;
-
-// Register the target.
-static RegisterTarget<MipsTargetMachine>    X("mips", "Mips");
-static RegisterTarget<MipselTargetMachine>  Y("mipsel", "Mipsel");
-
-const TargetAsmInfo *MipsTargetMachine::
-createTargetAsmInfo() const 
-{
-  return new MipsTargetAsmInfo(*this);
+extern "C" void LLVMInitializeMipsTarget() {
+  // Register the target.
+  RegisterTargetMachine<MipsTargetMachine> X(TheMipsTarget);
+  RegisterTargetMachine<MipselTargetMachine> Y(TheMipselTarget);
 }
 
 // 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 
+// offset from the stack/frame pointer, using StackGrowsUp enables
 // an easier handling.
 // Using CodeModel::Large enables different CALL behavior.
 MipsTargetMachine::
-MipsTargetMachine(const Module &M, const std::string &FS, bool isLittle=false):
-  Subtarget(*this, M, FS, isLittle), 
-  DataLayout(isLittle ? std::string("e-p:32:32:32-i8:8:32-i16:16:32") :
-                        std::string("E-p:32:32:32-i8:8:32-i16:16:32")), 
-  InstrInfo(*this), 
-  FrameInfo(TargetFrameInfo::StackGrowsUp, 8, 0),
-  TLInfo(*this) 
-{
-  // Abicall enables PIC by default
-  if (Subtarget.hasABICall())
-    setRelocationModel(Reloc::PIC_);  
-
-  // TODO: create an option to enable long calls, like -mlong-calls, 
-  // that would be our CodeModel::Large. It must not work with Abicall.
-  if (getCodeModel() == CodeModel::Default)
-    setCodeModel(CodeModel::Small);
+MipsTargetMachine(const Target &T, StringRef TT,
+                  StringRef CPU, StringRef FS, Reloc::Model RM,
+                  bool isLittle=false):
+  LLVMTargetMachine(T, TT, CPU, FS, RM),
+  Subtarget(TT, CPU, FS, isLittle),
+  DataLayout(isLittle ? 
+             std::string("e-p:32:32:32-i8:8:32-i16:16:32-i64:64:64-n32") :
+             std::string("E-p:32:32:32-i8:8:32-i16:16:32-i64:64:64-n32")),
+  InstrInfo(*this),
+  FrameLowering(Subtarget),
+  TLInfo(*this), TSInfo(*this) {
 }
 
 MipselTargetMachine::
-MipselTargetMachine(const Module &M, const std::string &FS) :
-  MipsTargetMachine(M, FS, true) {}
-
-// return 0 and must specify -march to gen MIPS code.
-unsigned MipsTargetMachine::
-getModuleMatchQuality(const Module &M) 
-{
-  // We strongly match "mips*-*".
-  std::string TT = M.getTargetTriple();
-  if (TT.size() >= 5 && std::string(TT.begin(), TT.begin()+5) == "mips-")
-    return 20;
-  
-  if (TT.size() >= 13 && std::string(TT.begin(), 
-      TT.begin()+13) == "mipsallegrex-")
-    return 20;
-
-  return 0;
-}
-
-// return 0 and must specify -march to gen MIPSEL code.
-unsigned MipselTargetMachine::
-getModuleMatchQuality(const Module &M) 
-{
-  // We strongly match "mips*el-*".
-  std::string TT = M.getTargetTriple();
-  if (TT.size() >= 7 && std::string(TT.begin(), TT.begin()+7) == "mipsel-")
-    return 20;
+MipselTargetMachine(const Target &T, StringRef TT,
+                    StringRef CPU, StringRef FS, Reloc::Model RM) :
+  MipsTargetMachine(T, TT, CPU, FS, RM, true) {}
 
-  if (TT.size() >= 15 && std::string(TT.begin(), 
-      TT.begin()+15) == "mipsallegrexel-")
-    return 20;
-
-  if (TT.size() == 3 && std::string(TT.begin(), TT.begin()+3) == "psp")
-    return 20;
-  
-  return 0;
-}
-
-// Install an instruction selector pass using 
+// Install an instruction selector pass using
 // the ISelDag to gen Mips code.
 bool MipsTargetMachine::
-addInstSelector(PassManagerBase &PM, bool Fast) 
+addInstSelector(PassManagerBase &PM, CodeGenOpt::Level OptLevel)
 {
   PM.add(createMipsISelDag(*this));
   return false;
 }
 
-// Implemented by targets that want to run passes immediately before 
-// machine code is emitted. return true if -print-machineinstrs should 
+// 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 MipsTargetMachine::
-addPreEmitPass(PassManagerBase &PM, bool Fast) 
+addPreEmitPass(PassManagerBase &PM, CodeGenOpt::Level OptLevel)
 {
   PM.add(createMipsDelaySlotFillerPass(*this));
   return true;
 }
 
-// Implements the AssemblyEmitter for the target. Must return
-// true if AssemblyEmitter is supported
 bool MipsTargetMachine::
-addAssemblyEmitter(PassManagerBase &PM, bool Fast, 
-                   raw_ostream &Out) 
-{
-  // Output assembly language.
-  PM.add(createMipsCodePrinterPass(Out, *this, Fast));
-  return false;
+addPreRegAlloc(PassManagerBase &PM, CodeGenOpt::Level OptLevel) {
+  PM.add(createMipsEmitGPRestorePass(*this));
+  return true;
+}
+
+bool MipsTargetMachine::
+addPostRegAlloc(PassManagerBase &PM, CodeGenOpt::Level OptLevel) {
+  PM.add(createMipsExpandPseudoPass(*this));
+  return true;
 }