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/CodeGen/MachineFunction.h"
21 /// PTXMachineFunctionInfo - This class is derived from MachineFunction and
22 /// contains private PTX target-specific information for each MachineFunction.
24 class PTXMachineFunctionInfo : public MachineFunctionInfo {
27 std::vector<unsigned> reg_arg, reg_local_var;
32 PTXMachineFunctionInfo(MachineFunction &MF)
33 : is_kernel(false), reg_ret(PTX::NoRegister), _isDoneAddArg(false) {
35 reg_local_var.reserve(32);
38 void setKernel(bool _is_kernel=true) { is_kernel = _is_kernel; }
40 void addArgReg(unsigned reg) { reg_arg.push_back(reg); }
41 void addLocalVarReg(unsigned reg) { reg_local_var.push_back(reg); }
42 void setRetReg(unsigned reg) { reg_ret = reg; }
44 void doneAddArg(void) {
47 void doneAddLocalVar(void) {}
49 bool isDoneAddArg(void) { return _isDoneAddArg; }
51 bool isKernel() const { return is_kernel; }
53 typedef std::vector<unsigned>::const_iterator reg_iterator;
54 typedef std::vector<unsigned>::const_reverse_iterator reg_reverse_iterator;
56 bool argRegEmpty() const { return reg_arg.empty(); }
57 int getNumArg() const { return reg_arg.size(); }
58 reg_iterator argRegBegin() const { return reg_arg.begin(); }
59 reg_iterator argRegEnd() const { return reg_arg.end(); }
60 reg_reverse_iterator argRegReverseBegin() const { return reg_arg.rbegin(); }
61 reg_reverse_iterator argRegReverseEnd() const { return reg_arg.rend(); }
63 bool localVarRegEmpty() const { return reg_local_var.empty(); }
64 reg_iterator localVarRegBegin() const { return reg_local_var.begin(); }
65 reg_iterator localVarRegEnd() const { return reg_local_var.end(); }
67 unsigned retReg() const { return reg_ret; }
69 bool isArgReg(unsigned reg) const {
70 return std::find(reg_arg.begin(), reg_arg.end(), reg) != reg_arg.end();
73 bool isLocalVarReg(unsigned reg) const {
74 return std::find(reg_local_var.begin(), reg_local_var.end(), reg)
75 != reg_local_var.end();
77 }; // class PTXMachineFunctionInfo
80 #endif // PTX_MACHINE_FUNCTION_INFO_H