Introduce MCCodeGenInfo, which keeps information that can affect codegen

[oota-llvm.git] / lib / Target / Mips / MipsTargetMachine.cpp

diff --git a/lib/Target/Mips/MipsTargetMachine.cpp b/lib/Target/Mips/MipsTargetMachine.cpp
index c09b6064c3910a7399fc6b220313cc67affa15a0..a195a48961a23c223b9a5d8a5acd02205fa32c68 100644 (file)
--- a/lib/Target/Mips/MipsTargetMachine.cpp
+++ b/lib/Target/Mips/MipsTargetMachine.cpp
@@ -12,7 +12,6 @@
 //===----------------------------------------------------------------------===//
 
 #include "Mips.h"
-#include "MipsTargetAsmInfo.h"
 #include "MipsTargetMachine.h"
 #include "llvm/PassManager.h"
 #include "llvm/Target/TargetRegistry.h"
@@ -22,61 +21,61 @@ extern "C" void LLVMInitializeMipsTarget() {
   // Register the target.
   RegisterTargetMachine<MipsTargetMachine> X(TheMipsTarget);
   RegisterTargetMachine<MipselTargetMachine> Y(TheMipselTarget);
-  RegisterAsmInfo<MipsTargetAsmInfo> A(TheMipsTarget);
-  RegisterAsmInfo<MipsTargetAsmInfo> B(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 Target &T, const std::string &TT, const std::string &FS,
+MipsTargetMachine(const Target &T, StringRef TT,
+                  StringRef CPU, StringRef FS, Reloc::Model RM,
                   bool isLittle=false):
-  LLVMTargetMachine(T, TT),
-  Subtarget(TT, 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 (getRelocationModel() == Reloc::Default) {
-    if (Subtarget.isABI_O32())
-      setRelocationModel(Reloc::PIC_);
-    else
-      setRelocationModel(Reloc::Static);
-  }
-
-  // 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);
+  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 Target &T, const std::string &TT,
-                    const std::string &FS) :
-  MipsTargetMachine(T, TT, FS, true) {}
+MipselTargetMachine(const Target &T, StringRef TT,
+                    StringRef CPU, StringRef FS, Reloc::Model RM) :
+  MipsTargetMachine(T, TT, CPU, FS, RM, true) {}
 
-// Install an instruction selector pass using 
+// Install an instruction selector pass using
 // the ISelDag to gen Mips code.
 bool MipsTargetMachine::
-addInstSelector(PassManagerBase &PM, CodeGenOpt::Level OptLevel) 
+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, CodeGenOpt::Level OptLevel) 
+addPreEmitPass(PassManagerBase &PM, CodeGenOpt::Level OptLevel)
 {
   PM.add(createMipsDelaySlotFillerPass(*this));
   return true;
 }
+
+bool MipsTargetMachine::
+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;
+}