gzdoom/tools/drawergen/ssa/ssa_ubyte.cpp
2016-11-28 17:31:56 +01:00

122 lines
2.9 KiB
C++

/*
** SSA uint8
** 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.
**
*/
#include "precomp.h"
#include "ssa_ubyte.h"
#include "ssa_int.h"
#include "ssa_scope.h"
SSAUByte::SSAUByte()
: v(0)
{
}
SSAUByte::SSAUByte(unsigned char constant)
: v(0)
{
v = llvm::ConstantInt::get(SSAScope::context(), llvm::APInt(8, constant, false));
}
SSAUByte::SSAUByte(llvm::Value *v)
: v(v)
{
}
llvm::Type *SSAUByte::llvm_type()
{
return llvm::Type::getInt8Ty(SSAScope::context());
}
SSAInt SSAUByte::zext_int()
{
return SSAInt::from_llvm(SSAScope::builder().CreateZExt(v, SSAInt::llvm_type(), SSAScope::hint()));
}
SSAUByte operator+(const SSAUByte &a, const SSAUByte &b)
{
return SSAUByte::from_llvm(SSAScope::builder().CreateAdd(a.v, b.v, SSAScope::hint()));
}
SSAUByte operator-(const SSAUByte &a, const SSAUByte &b)
{
return SSAUByte::from_llvm(SSAScope::builder().CreateSub(a.v, b.v, SSAScope::hint()));
}
SSAUByte operator*(const SSAUByte &a, const SSAUByte &b)
{
return SSAUByte::from_llvm(SSAScope::builder().CreateMul(a.v, b.v, SSAScope::hint()));
}
/*
SSAUByte operator/(const SSAUByte &a, const SSAUByte &b)
{
return SSAScope::builder().CreateDiv(a.v, b.v);
}
*/
SSAUByte operator+(unsigned char a, const SSAUByte &b)
{
return SSAUByte(a) + b;
}
SSAUByte operator-(unsigned char a, const SSAUByte &b)
{
return SSAUByte(a) - b;
}
SSAUByte operator*(unsigned char a, const SSAUByte &b)
{
return SSAUByte(a) * b;
}
/*
SSAUByte operator/(unsigned char a, const SSAUByte &b)
{
return SSAUByte(a) / b;
}
*/
SSAUByte operator+(const SSAUByte &a, unsigned char b)
{
return a + SSAUByte(b);
}
SSAUByte operator-(const SSAUByte &a, unsigned char b)
{
return a - SSAUByte(b);
}
SSAUByte operator*(const SSAUByte &a, unsigned char b)
{
return a * SSAUByte(b);
}
/*
SSAUByte operator/(const SSAUByte &a, unsigned char b)
{
return a / SSAUByte(b);
}
*/
SSAUByte operator<<(const SSAUByte &a, unsigned char bits)
{
return SSAUByte::from_llvm(SSAScope::builder().CreateShl(a.v, bits));
}
SSAUByte operator>>(const SSAUByte &a, unsigned char bits)
{
return SSAUByte::from_llvm(SSAScope::builder().CreateLShr(a.v, bits));
}