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/**************************************************************************
*
* Copyright 2009 VMware, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
/**
* @file
* Blend LLVM IR generation -- logic ops.
*
* @author Jose Fonseca <jfonseca@vmware.com>
*/
#include "pipe/p_state.h"
#include "util/u_debug.h"
#include "lp_bld_blend.h"
LLVMValueRef
lp_build_logicop(LLVMBuilderRef builder,
unsigned logicop_func,
LLVMValueRef src,
LLVMValueRef dst)
{
LLVMTypeRef type;
LLVMValueRef res;
type = LLVMTypeOf(src);
switch (logicop_func) {
case PIPE_LOGICOP_CLEAR:
res = LLVMConstNull(type);
break;
case PIPE_LOGICOP_NOR:
res = LLVMBuildNot(builder, LLVMBuildOr(builder, src, dst, ""), "");
break;
case PIPE_LOGICOP_AND_INVERTED:
res = LLVMBuildAnd(builder, LLVMBuildNot(builder, src, ""), dst, "");
break;
case PIPE_LOGICOP_COPY_INVERTED:
res = LLVMBuildNot(builder, src, "");
break;
case PIPE_LOGICOP_AND_REVERSE:
res = LLVMBuildAnd(builder, src, LLVMBuildNot(builder, dst, ""), "");
break;
case PIPE_LOGICOP_INVERT:
res = LLVMBuildNot(builder, dst, "");
break;
case PIPE_LOGICOP_XOR:
res = LLVMBuildXor(builder, src, dst, "");
break;
case PIPE_LOGICOP_NAND:
res = LLVMBuildNot(builder, LLVMBuildAnd(builder, src, dst, ""), "");
break;
case PIPE_LOGICOP_AND:
res = LLVMBuildAnd(builder, src, dst, "");
break;
case PIPE_LOGICOP_EQUIV:
res = LLVMBuildNot(builder, LLVMBuildXor(builder, src, dst, ""), "");
break;
case PIPE_LOGICOP_NOOP:
res = dst;
break;
case PIPE_LOGICOP_OR_INVERTED:
res = LLVMBuildOr(builder, LLVMBuildNot(builder, src, ""), dst, "");
break;
case PIPE_LOGICOP_COPY:
res = src;
break;
case PIPE_LOGICOP_OR_REVERSE:
res = LLVMBuildOr(builder, src, LLVMBuildNot(builder, dst, ""), "");
break;
case PIPE_LOGICOP_OR:
res = LLVMBuildOr(builder, src, dst, "");
break;
case PIPE_LOGICOP_SET:
res = LLVMConstAllOnes(type);
break;
default:
assert(0);
res = src;
}
return res;
}
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