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Diffstat (limited to 'include/llvm/Constants.h')
-rw-r--r-- | include/llvm/Constants.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/include/llvm/Constants.h b/include/llvm/Constants.h index 0abe17d..fdd5382 100644 --- a/include/llvm/Constants.h +++ b/include/llvm/Constants.h @@ -917,6 +917,17 @@ public: return getLShr(C1, C2, true); } + /// getBinOpIdentity - Return the identity for the given binary operation, + /// i.e. a constant C such that X op C = X and C op X = X for every X. It + /// returns null if the operator doesn't have an identity. + static Constant *getBinOpIdentity(unsigned Opcode, Type *Ty); + + /// getBinOpAbsorber - Return the absorbing element for the given binary + /// operation, i.e. a constant C such that X op C = C and C op X = C for + /// every X. For example, this returns zero for integer multiplication. + /// It returns null if the operator doesn't have an absorbing element. + static Constant *getBinOpAbsorber(unsigned Opcode, Type *Ty); + /// Transparently provide more efficient getOperand methods. DECLARE_TRANSPARENT_OPERAND_ACCESSORS(Constant); |