diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/SelectionDAG.cpp | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp index 2fb2f2d8aa..0b7cbcc47e 100644 --- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp +++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp @@ -2088,12 +2088,7 @@ unsigned SelectionDAG::ComputeNumSignBits(SDValue Op, unsigned Depth) const{ case ISD::Constant: { const APInt &Val = cast<ConstantSDNode>(Op)->getAPIntValue(); - // If negative, return # leading ones. - if (Val.isNegative()) - return Val.countLeadingOnes(); - - // Return # leading zeros. - return Val.countLeadingZeros(); + return Val.getNumSignBits(); } case ISD::SIGN_EXTEND: |