1 //===- PTXMachineFuctionInfo.h - PTX machine function info -------*- C++ -*-==//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file declares PTX-specific per-machine-function information.
12 //===----------------------------------------------------------------------===//
14 #ifndef PTX_MACHINE_FUNCTION_INFO_H
15 #define PTX_MACHINE_FUNCTION_INFO_H
18 #include "llvm/ADT/DenseSet.h"
19 #include "llvm/CodeGen/MachineFunction.h"
22 /// PTXMachineFunctionInfo - This class is derived from MachineFunction and
23 /// contains private PTX target-specific information for each MachineFunction.
25 class PTXMachineFunctionInfo : public MachineFunctionInfo {
28 std::vector<unsigned> reg_arg, reg_local_var;
29 std::vector<unsigned> reg_ret;
30 std::vector<unsigned> call_params;
34 PTXMachineFunctionInfo(MachineFunction &MF)
35 : is_kernel(false), reg_ret(PTX::NoRegister), _isDoneAddArg(false) {
37 reg_local_var.reserve(32);
40 void setKernel(bool _is_kernel=true) { is_kernel = _is_kernel; }
42 void addArgReg(unsigned reg) { reg_arg.push_back(reg); }
43 void addLocalVarReg(unsigned reg) { reg_local_var.push_back(reg); }
44 void addRetReg(unsigned reg) {
46 reg_ret.push_back(reg);
50 void doneAddArg(void) {
53 void doneAddLocalVar(void) {}
55 bool isKernel() const { return is_kernel; }
57 typedef std::vector<unsigned>::const_iterator reg_iterator;
58 typedef std::vector<unsigned>::const_reverse_iterator reg_reverse_iterator;
59 typedef std::vector<unsigned>::const_iterator ret_iterator;
60 typedef std::vector<unsigned>::const_iterator param_iterator;
62 bool argRegEmpty() const { return reg_arg.empty(); }
63 int getNumArg() const { return reg_arg.size(); }
64 reg_iterator argRegBegin() const { return reg_arg.begin(); }
65 reg_iterator argRegEnd() const { return reg_arg.end(); }
66 reg_reverse_iterator argRegReverseBegin() const { return reg_arg.rbegin(); }
67 reg_reverse_iterator argRegReverseEnd() const { return reg_arg.rend(); }
69 bool localVarRegEmpty() const { return reg_local_var.empty(); }
70 reg_iterator localVarRegBegin() const { return reg_local_var.begin(); }
71 reg_iterator localVarRegEnd() const { return reg_local_var.end(); }
73 bool retRegEmpty() const { return reg_ret.empty(); }
74 int getNumRet() const { return reg_ret.size(); }
75 ret_iterator retRegBegin() const { return reg_ret.begin(); }
76 ret_iterator retRegEnd() const { return reg_ret.end(); }
78 param_iterator paramBegin() const { return call_params.begin(); }
79 param_iterator paramEnd() const { return call_params.end(); }
80 unsigned getNextParam(unsigned size) {
81 call_params.push_back(size);
82 return call_params.size()-1;
85 bool isArgReg(unsigned reg) const {
86 return std::find(reg_arg.begin(), reg_arg.end(), reg) != reg_arg.end();
89 bool isRetReg(unsigned reg) const {
90 return std::find(reg_ret.begin(), reg_ret.end(), reg) != reg_ret.end();
93 bool isLocalVarReg(unsigned reg) const {
94 return std::find(reg_local_var.begin(), reg_local_var.end(), reg)
95 != reg_local_var.end();
97 }; // class PTXMachineFunctionInfo
100 #endif // PTX_MACHINE_FUNCTION_INFO_H