1 //===-- SparcV9CodeEmitter.h ------------------------------------*- C++ -*-===//
4 //===----------------------------------------------------------------------===//
6 #ifndef SPARCV9CODEEMITTER_H
7 #define SPARCV9CODEEMITTER_H
9 #include "llvm/BasicBlock.h"
10 #include "llvm/CodeGen/MachineCodeEmitter.h"
11 #include "llvm/CodeGen/MachineFunctionPass.h"
12 #include "llvm/Target/TargetMachine.h"
18 class SparcV9CodeEmitter : public MachineFunctionPass {
20 MachineCodeEmitter &MCE;
23 // Tracks which instruction references which BasicBlock
24 std::vector<std::pair<BasicBlock*,
25 std::pair<unsigned*,MachineInstr*> > > BBRefs;
26 // Tracks where each BasicBlock starts
27 std::map<BasicBlock*, long> BBLocations;
29 // Tracks locations of Constants which are laid out in memory (e.g. FP)
30 // But we also need to map Constants to ConstantPool indices
31 std::map<const Constant*, unsigned> ConstantMap;
34 SparcV9CodeEmitter(TargetMachine &T, MachineCodeEmitter &M);
35 ~SparcV9CodeEmitter();
37 bool runOnMachineFunction(MachineFunction &F);
38 void emitWord(unsigned Val);
40 /// Function generated by the CodeEmitterGenerator using TableGen
42 unsigned getBinaryCodeForInstr(MachineInstr &MI);
45 int64_t getMachineOpValue(MachineInstr &MI, MachineOperand &MO);
46 unsigned getValueBit(int64_t Val, unsigned bit);
47 void emitBasicBlock(MachineBasicBlock &MBB);
48 void* getGlobalAddress(GlobalValue *V, MachineInstr &MI,
50 bool isFPInstr(MachineInstr &MI);
51 unsigned getRealRegNum(unsigned fakeReg, unsigned regClass,