diff options
Diffstat (limited to 'include/llvm/Analysis/ValueTracking.h')
| -rw-r--r-- | include/llvm/Analysis/ValueTracking.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/llvm/Analysis/ValueTracking.h b/include/llvm/Analysis/ValueTracking.h index f233608..038d442 100644 --- a/include/llvm/Analysis/ValueTracking.h +++ b/include/llvm/Analysis/ValueTracking.h @@ -63,6 +63,15 @@ namespace llvm { unsigned ComputeNumSignBits(Value *Op, const TargetData *TD = 0, unsigned Depth = 0); + /// ComputeMultiple - This function computes the integer multiple of Base that + /// equals V. If successful, it returns true and returns the multiple in + /// Multiple. If unsuccessful, it returns false. Also, if V can be + /// simplified to an integer, then the simplified V is returned in Val. Look + /// through sext only if LookThroughSExt=true. + bool ComputeMultiple(Value *V, unsigned Base, Value *&Multiple, + bool LookThroughSExt = false, + unsigned Depth = 0); + /// CannotBeNegativeZero - Return true if we can prove that the specified FP /// value is never equal to -0.0. /// |
