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27 
28 /**
29  * @file
30  * Helper arithmetic functions with support for overflow detection
31  * and reporting.
32  *
33  * @author Zack Rusin <zackr@vmware.com>
34  */
35 
36 
37 #ifndef LP_BLD_ARIT_OVERFLOW_H
38 #define LP_BLD_ARIT_OVERFLOW_H
39 
40 
41 #include "gallivm/lp_bld.h"
42 
43 struct gallivm_state;
44 
45 LLVMValueRef
46 lp_build_uadd_overflow(struct gallivm_state *gallivm,
47                        LLVMValueRef a,
48                        LLVMValueRef b,
49                        LLVMValueRef *ofbit);
50 
51 LLVMValueRef
52 lp_build_usub_overflow(struct gallivm_state *gallivm,
53                        LLVMValueRef a,
54                        LLVMValueRef b,
55                        LLVMValueRef *ofbit);
56 
57 LLVMValueRef
58 lp_build_umul_overflow(struct gallivm_state *gallivm,
59                        LLVMValueRef a,
60                        LLVMValueRef b,
61                        LLVMValueRef *ofbit);
62 
63 #endif /* !LP_BLD_ARIT_OVERFLOW_H */
64