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59 lines
1.7 KiB
C++
59 lines
1.7 KiB
C++
//===- CodeGenRegisters.h - Register and RegisterClass Info -----*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file was developed by the LLVM research group and is distributed under
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// the University of Illinois Open Source License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines structures to encapsulate information gleaned from the
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// target register and register class definitions.
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//
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//===----------------------------------------------------------------------===//
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#ifndef CODEGEN_REGISTERS_H
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#define CODEGEN_REGISTERS_H
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#include <string>
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#include <vector>
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#include "llvm/CodeGen/ValueTypes.h"
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namespace llvm {
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class Record;
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/// CodeGenRegister - Represents a register definition.
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struct CodeGenRegister {
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Record *TheDef;
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const std::string &getName() const;
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unsigned DeclaredSpillSize, DeclaredSpillAlignment;
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CodeGenRegister(Record *R);
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};
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struct CodeGenRegisterClass {
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Record *TheDef;
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std::string Namespace;
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std::vector<Record*> Elements;
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std::vector<MVT::ValueType> VTs;
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unsigned SpillSize;
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unsigned SpillAlignment;
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std::string MethodProtos, MethodBodies;
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const std::string &getName() const;
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const std::vector<MVT::ValueType> &getValueTypes() const { return VTs; }
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unsigned getNumValueTypes() const { return VTs.size(); }
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const MVT::ValueType getValueTypeNum(unsigned VTNum) const {
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if (VTNum < VTs.size())
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return VTs[VTNum];
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assert(0 && "VTNum greater than number of ValueTypes in RegClass!");
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abort();
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}
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CodeGenRegisterClass(Record *R);
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};
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}
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#endif
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