//===----------------------------------------------------------------------===//
#include "Mips.h"
-#include "MipsTargetAsmInfo.h"
+#include "MipsMCAsmInfo.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);
+ RegisterAsmInfo<MipsMCAsmInfo> A(TheMipsTarget);
+ RegisterAsmInfo<MipsMCAsmInfo> 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 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)
-{
+MipsTargetMachine(const Target &T, const std::string &TT, const std::string &FS,
+ 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-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) {
// 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);
+ if (getRelocationModel() == Reloc::Default) {
+ if (Subtarget.isABI_O32())
+ setRelocationModel(Reloc::PIC_);
+ else
+ setRelocationModel(Reloc::Static);
+ }
}
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, const std::string &TT,
+ const std::string &FS) :
+ MipsTargetMachine(T, TT, FS, 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, 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;
}
-// Implements the AssemblyEmitter for the target. Must return
-// true if AssemblyEmitter is supported
bool MipsTargetMachine::
-addAssemblyEmitter(PassManagerBase &PM, CodeGenOpt::Level OptLevel,
- bool Verbose, raw_ostream &Out)
-{
- // Output assembly language.
- PM.add(createMipsCodePrinterPass(Out, *this, OptLevel, Verbose));
- 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;
}