diff options
Diffstat (limited to 'llvm/lib/Support/KnownBits.cpp')
| -rw-r--r-- | llvm/lib/Support/KnownBits.cpp | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/llvm/lib/Support/KnownBits.cpp b/llvm/lib/Support/KnownBits.cpp index bd08365a3fcd..8d91f0e95d22 100644 --- a/llvm/lib/Support/KnownBits.cpp +++ b/llvm/lib/Support/KnownBits.cpp @@ -372,8 +372,7 @@ KnownBits KnownBits::lshr(const KnownBits &LHS, const KnownBits &RHS, unsigned BitWidth = LHS.getBitWidth(); auto ShiftByConst = [&](const KnownBits &LHS, unsigned ShiftAmt) { KnownBits Known = LHS; - Known.Zero.lshrInPlace(ShiftAmt); - Known.One.lshrInPlace(ShiftAmt); + Known >>= ShiftAmt; // High bits are known zero. Known.Zero.setHighBits(ShiftAmt); return Known; |