diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/llvm/Analysis/ValueTracking.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/include/llvm/Analysis/ValueTracking.h b/include/llvm/Analysis/ValueTracking.h index 68263300c7..6f82b2cd98 100644 --- a/include/llvm/Analysis/ValueTracking.h +++ b/include/llvm/Analysis/ValueTracking.h @@ -48,8 +48,10 @@ namespace llvm { /// isPowerOfTwo - Return true if the given value is known to have exactly one /// bit set when defined. For vectors return true if every element is known to /// be a power of two when defined. Supports values with integer or pointer - /// type and vectors of integers. - bool isPowerOfTwo(Value *V, const TargetData *TD = 0, unsigned Depth = 0); + /// type and vectors of integers. If 'OrZero' is set then returns true if the + /// given value is either a power of two or zero. + bool isPowerOfTwo(Value *V, const TargetData *TD = 0, bool OrZero = false, + unsigned Depth = 0); /// isKnownNonZero - Return true if the given value is known to be non-zero /// when defined. For vectors return true if every element is known to be |