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/**************************************************************************
*
* Copyright 2013 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
* Helper arithmetic functions with support for overflow detection
* and reporting.
*
* @author Zack Rusin <zackr@vmware.com>
*/
#ifndef LP_BLD_ARIT_OVERFLOW_H
#define LP_BLD_ARIT_OVERFLOW_H
#include "gallivm/lp_bld.h"
struct gallivm_state;
LLVMValueRef
lp_build_uadd_overflow(struct gallivm_state *gallivm,
LLVMValueRef a,
LLVMValueRef b,
LLVMValueRef *ofbit);
LLVMValueRef
lp_build_usub_overflow(struct gallivm_state *gallivm,
LLVMValueRef a,
LLVMValueRef b,
LLVMValueRef *ofbit);
LLVMValueRef
lp_build_umul_overflow(struct gallivm_state *gallivm,
LLVMValueRef a,
LLVMValueRef b,
LLVMValueRef *ofbit);
#endif /* !LP_BLD_ARIT_OVERFLOW_H */
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