2004-08-16 03:09:52 +02:00
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//===- CodeGenRegisters.h - Register and RegisterClass Info -----*- C++ -*-===//
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2005-04-22 02:00:37 +02:00
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//
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2004-08-16 03:09:52 +02:00
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// The LLVM Compiler Infrastructure
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//
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2007-12-29 21:37:13 +01:00
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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2005-04-22 02:00:37 +02:00
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//
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2004-08-16 03:09:52 +02:00
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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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2008-02-20 12:08:44 +01:00
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#include "llvm/CodeGen/ValueTypes.h"
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2004-08-16 03:09:52 +02:00
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#include <string>
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2004-08-21 06:05:00 +02:00
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#include <vector>
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2008-02-20 12:08:44 +01:00
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#include <cstdlib>
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2004-08-16 03:09:52 +02:00
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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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2004-08-21 04:24:57 +02:00
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unsigned DeclaredSpillSize, DeclaredSpillAlignment;
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CodeGenRegister(Record *R);
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2004-08-16 03:09:52 +02:00
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};
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struct CodeGenRegisterClass {
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2004-08-21 06:05:00 +02:00
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Record *TheDef;
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2005-08-19 20:45:20 +02:00
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std::string Namespace;
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2004-08-21 06:05:00 +02:00
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std::vector<Record*> Elements;
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2008-06-06 14:08:01 +02:00
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std::vector<MVT::SimpleValueType> VTs;
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2004-08-21 06:05:00 +02:00
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unsigned SpillSize;
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unsigned SpillAlignment;
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2007-09-19 03:35:01 +02:00
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int CopyCost;
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2007-06-14 00:20:15 +02:00
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std::vector<Record*> SubRegClasses;
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2005-08-19 21:12:51 +02:00
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std::string MethodProtos, MethodBodies;
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2004-08-21 06:05:00 +02:00
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const std::string &getName() const;
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2008-06-06 14:08:01 +02:00
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const std::vector<MVT::SimpleValueType> &getValueTypes() const {return VTs;}
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2005-12-05 03:35:08 +01:00
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unsigned getNumValueTypes() const { return VTs.size(); }
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2008-06-06 14:08:01 +02:00
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MVT::SimpleValueType getValueTypeNum(unsigned VTNum) const {
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2005-12-01 05:51:06 +01:00
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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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2004-08-21 06:05:00 +02:00
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CodeGenRegisterClass(Record *R);
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2004-08-16 03:09:52 +02:00
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};
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}
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#endif
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