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//===-- SparcV9Internals.h --------------------------------------*- C++ -*-===//
//
// 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 defines stuff that is to be private to the SparcV9 backend, but is
// shared among different portions of the backend.
//
//===----------------------------------------------------------------------===//
#ifndef SPARCV9INTERNALS_H
#define SPARCV9INTERNALS_H
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Target/TargetSchedInfo.h"
#include "llvm/Target/TargetFrameInfo.h"
#include "SparcV9RegInfo.h"
#include "llvm/Type.h"
#include "SparcV9RegClassInfo.h"
namespace llvm {
class V9LiveRange;
class SparcV9TargetMachine;
class ModulePass;
class GetElementPtrInst;
enum SparcV9InstrSchedClass {
SPARC_NONE, /* Instructions with no scheduling restrictions */
SPARC_IEUN, /* Integer class that can use IEU0 or IEU1 */
SPARC_IEU0, /* Integer class IEU0 */
SPARC_IEU1, /* Integer class IEU1 */
SPARC_FPM, /* FP Multiply or Divide instructions */
SPARC_FPA, /* All other FP instructions */
SPARC_CTI, /* Control-transfer instructions */
SPARC_LD, /* Load instructions */
SPARC_ST, /* Store instructions */
SPARC_SINGLE, /* Instructions that must issue by themselves */
SPARC_INV, /* This should stay at the end for the next value */
SPARC_NUM_SCHED_CLASSES = SPARC_INV
};
//---------------------------------------------------------------------------
// enum SparcV9MachineOpCode.
// const TargetInstrDescriptor SparcV9MachineInstrDesc[]
//
// Purpose:
// Description of UltraSparcV9 machine instructions.
//
//---------------------------------------------------------------------------
namespace V9 {
enum SparcV9MachineOpCode {
#define I(ENUM, OPCODESTRING, NUMOPERANDS, RESULTPOS, MAXIMM, IMMSE, \
NUMDELAYSLOTS, LATENCY, SCHEDCLASS, INSTFLAGS) \
ENUM,
#include "SparcV9Instr.def"
// End-of-array marker
INVALID_OPCODE,
NUM_REAL_OPCODES = PHI, // number of valid opcodes
NUM_TOTAL_OPCODES = INVALID_OPCODE
};
}
// Array of machine instruction descriptions...
extern const TargetInstrDescriptor SparcV9MachineInstrDesc[];
//---------------------------------------------------------------------------
// class SparcV9SchedInfo
//
// Purpose:
// Interface to instruction scheduling information for UltraSPARC.
// The parameter values above are based on UltraSPARC IIi.
//---------------------------------------------------------------------------
class SparcV9SchedInfo: public TargetSchedInfo {
public:
SparcV9SchedInfo(const TargetMachine &tgt);
protected:
virtual void initializeResources();
};
/// createStackSlotsPass - External interface to stack-slots pass that enters 2
/// empty slots at the top of each function stack
///
FunctionPass *createStackSlotsPass(const TargetMachine &TM);
/// Specializes LLVM code for a target machine.
///
FunctionPass *createPreSelectionPass(const TargetMachine &TM);
// DecomposeMultiDimRefs - Convert multi-dimensional references consisting of
// any combination of 2 or more array and structure indices into a sequence of
// instructions (using getelementpr and cast) so that each instruction has at
// most one index (except structure references, which need an extra leading
// index of [0]).
// This pass decomposes all multi-dimensional references in a function.
FunctionPass *createDecomposeMultiDimRefsPass();
// This function decomposes a single instance of such a reference.
// Return value: true if the instruction was replaced; false otherwise.
//
bool DecomposeArrayRef(GetElementPtrInst* GEP);
/// Peephole optimization pass operating on machine code
///
FunctionPass *createPeepholeOptsPass(const TargetMachine &TM);
/// Writes out assembly code for the module, one function at a time
///
FunctionPass *createAsmPrinterPass(std::ostream &Out, TargetMachine &TM);
/// getPrologEpilogInsertionPass - Inserts prolog/epilog code.
///
FunctionPass* createPrologEpilogInsertionPass();
/// getBytecodeAsmPrinterPass - Emits final LLVM bytecode to assembly file.
///
ModulePass* createBytecodeAsmPrinterPass(std::ostream &Out);
FunctionPass *createSparcV9MachineCodeDestructionPass();
} // End llvm namespace
#endif
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