1 //===-- SparcInternals.h ----------------------------------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file was developed by the LLVM research group and is distributed under
6 // the University of Illinois Open Source License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file defines stuff that is to be private to the Sparc backend, but is
11 // shared among different portions of the backend.
13 //===----------------------------------------------------------------------===//
15 #ifndef SPARC_INTERNALS_H
16 #define SPARC_INTERNALS_H
18 #include "llvm/CodeGen/MachineInstrBuilder.h"
19 #include "llvm/Target/TargetMachine.h"
20 #include "llvm/Target/TargetSchedInfo.h"
21 #include "llvm/Target/TargetFrameInfo.h"
22 #include "llvm/Target/TargetCacheInfo.h"
23 #include "llvm/Target/TargetRegInfo.h"
24 #include "llvm/Type.h"
25 #include "SparcRegClassInfo.h"
26 #include "Config/sys/types.h"
31 class SparcTargetMachine;
34 enum SparcInstrSchedClass {
35 SPARC_NONE, /* Instructions with no scheduling restrictions */
36 SPARC_IEUN, /* Integer class that can use IEU0 or IEU1 */
37 SPARC_IEU0, /* Integer class IEU0 */
38 SPARC_IEU1, /* Integer class IEU1 */
39 SPARC_FPM, /* FP Multiply or Divide instructions */
40 SPARC_FPA, /* All other FP instructions */
41 SPARC_CTI, /* Control-transfer instructions */
42 SPARC_LD, /* Load instructions */
43 SPARC_ST, /* Store instructions */
44 SPARC_SINGLE, /* Instructions that must issue by themselves */
46 SPARC_INV, /* This should stay at the end for the next value */
47 SPARC_NUM_SCHED_CLASSES = SPARC_INV
51 //---------------------------------------------------------------------------
52 // enum SparcMachineOpCode.
53 // const TargetInstrDescriptor SparcMachineInstrDesc[]
56 // Description of UltraSparc machine instructions.
58 //---------------------------------------------------------------------------
61 enum SparcMachineOpCode {
62 #define I(ENUM, OPCODESTRING, NUMOPERANDS, RESULTPOS, MAXIMM, IMMSE, \
63 NUMDELAYSLOTS, LATENCY, SCHEDCLASS, INSTFLAGS) \
65 #include "SparcInstr.def"
67 // End-of-array marker
69 NUM_REAL_OPCODES = PHI, // number of valid opcodes
70 NUM_TOTAL_OPCODES = INVALID_OPCODE
74 // Array of machine instruction descriptions...
75 extern const TargetInstrDescriptor SparcMachineInstrDesc[];
77 //---------------------------------------------------------------------------
78 // class SparcSchedInfo
81 // Interface to instruction scheduling information for UltraSPARC.
82 // The parameter values above are based on UltraSPARC IIi.
83 //---------------------------------------------------------------------------
85 class SparcSchedInfo: public TargetSchedInfo {
87 SparcSchedInfo(const TargetMachine &tgt);
89 virtual void initializeResources();
92 //---------------------------------------------------------------------------
93 // class SparcCacheInfo
96 // Interface to cache parameters for the UltraSPARC.
97 // Just use defaults for now.
98 //---------------------------------------------------------------------------
100 struct SparcCacheInfo: public TargetCacheInfo {
101 SparcCacheInfo(const TargetMachine &T) : TargetCacheInfo(T) {}
105 /// createStackSlotsPass - External interface to stack-slots pass that enters 2
106 /// empty slots at the top of each function stack
108 Pass *createStackSlotsPass(const TargetMachine &TM);
110 /// Specializes LLVM code for a target machine.
112 FunctionPass *createPreSelectionPass(const TargetMachine &TM);
114 /// Peephole optimization pass operating on machine code
116 FunctionPass *createPeepholeOptsPass(const TargetMachine &TM);
118 /// Writes out assembly code for the module, one function at a time
120 FunctionPass *createAsmPrinterPass(std::ostream &Out, const TargetMachine &TM);
122 /// getPrologEpilogInsertionPass - Inserts prolog/epilog code.
124 FunctionPass* createPrologEpilogInsertionPass();
126 /// getBytecodeAsmPrinterPass - Emits final LLVM bytecode to assembly file.
128 Pass* createBytecodeAsmPrinterPass(std::ostream &Out);
130 } // End llvm namespace