| /************************************************************************** |
| * |
| * 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 |
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| * |
| **************************************************************************/ |
| |
| /** |
| * @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 */ |