lp_bld_arit_overflow.h

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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 */