qzdoom/tools/drawergen/ssa/ssa_int.h
2016-11-28 17:31:56 +01:00

80 lines
2.6 KiB
C++

/*
** SSA int32
** Copyright (c) 2016 Magnus Norddahl
**
** This software is provided 'as-is', without any express or implied
** warranty. In no event will the authors be held liable for any damages
** arising from the use of this software.
**
** Permission is granted to anyone to use this software for any purpose,
** including commercial applications, and to alter it and redistribute it
** freely, subject to the following restrictions:
**
** 1. The origin of this software must not be misrepresented; you must not
** claim that you wrote the original software. If you use this software
** in a product, an acknowledgment in the product documentation would be
** appreciated but is not required.
** 2. Altered source versions must be plainly marked as such, and must not be
** misrepresented as being the original software.
** 3. This notice may not be removed or altered from any source distribution.
**
*/
#pragma once
namespace llvm { class Value; }
namespace llvm { class Type; }
class SSAFloat;
class SSAUByte;
class SSAInt
{
public:
SSAInt();
explicit SSAInt(int constant);
SSAInt(SSAFloat f, bool uint);
explicit SSAInt(llvm::Value *v);
static SSAInt from_llvm(llvm::Value *v) { return SSAInt(v); }
static llvm::Type *llvm_type();
static SSAInt MIN(SSAInt a, SSAInt b);
static SSAInt MAX(SSAInt a, SSAInt b);
static SSAInt clamp(SSAInt a, SSAInt b, SSAInt c);
SSAInt add(SSAInt b, bool no_unsigned_wrap, bool no_signed_wrap);
SSAInt ashr(int bits);
SSAUByte trunc_ubyte();
llvm::Value *v;
};
SSAInt operator+(const SSAInt &a, const SSAInt &b);
SSAInt operator-(const SSAInt &a, const SSAInt &b);
SSAInt operator*(const SSAInt &a, const SSAInt &b);
SSAInt operator/(const SSAInt &a, const SSAInt &b);
SSAInt operator%(const SSAInt &a, const SSAInt &b);
SSAInt operator+(int a, const SSAInt &b);
SSAInt operator-(int a, const SSAInt &b);
SSAInt operator*(int a, const SSAInt &b);
SSAInt operator/(int a, const SSAInt &b);
SSAInt operator%(int a, const SSAInt &b);
SSAInt operator+(const SSAInt &a, int b);
SSAInt operator-(const SSAInt &a, int b);
SSAInt operator*(const SSAInt &a, int b);
SSAInt operator/(const SSAInt &a, int b);
SSAInt operator%(const SSAInt &a, int b);
SSAInt operator<<(const SSAInt &a, int bits);
SSAInt operator>>(const SSAInt &a, int bits);
SSAInt operator<<(const SSAInt &a, const SSAInt &bits);
SSAInt operator>>(const SSAInt &a, const SSAInt &bits);
SSAInt operator&(const SSAInt &a, int b);
SSAInt operator&(const SSAInt &a, const SSAInt &b);
SSAInt operator|(const SSAInt &a, int b);
SSAInt operator|(const SSAInt &a, const SSAInt &b);
SSAInt operator~(const SSAInt &a);