diff options
| -rw-r--r-- | llvm/lib/Analysis/ValueTracking.cpp | 6 |
1 files changed, 1 insertions, 5 deletions
diff --git a/llvm/lib/Analysis/ValueTracking.cpp b/llvm/lib/Analysis/ValueTracking.cpp index 244bc7d6616..182377d39c0 100644 --- a/llvm/lib/Analysis/ValueTracking.cpp +++ b/llvm/lib/Analysis/ValueTracking.cpp @@ -2097,11 +2097,7 @@ static unsigned computeNumSignBitsVectorConstant(const Value *V, if (!Elt) return 0; - // If the sign bit is 1, flip the bits, so we always count leading zeros. - APInt EltVal = Elt->getValue(); - if (EltVal.isNegative()) - EltVal = ~EltVal; - MinSignBits = std::min(MinSignBits, EltVal.countLeadingZeros()); + MinSignBits = std::min(MinSignBits, Elt->getValue().getNumSignBits()); } return MinSignBits; |
