diff options
Diffstat (limited to 'lib/Support/APInt.cpp')
| -rw-r--r-- | lib/Support/APInt.cpp | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/lib/Support/APInt.cpp b/lib/Support/APInt.cpp index 367c75be1a..3d38a0c606 100644 --- a/lib/Support/APInt.cpp +++ b/lib/Support/APInt.cpp @@ -683,7 +683,13 @@ unsigned APInt::countLeadingOnes() const { return countLeadingOnes_64(VAL, APINT_BITS_PER_WORD - BitWidth); unsigned highWordBits = BitWidth % APINT_BITS_PER_WORD; - unsigned shift = (highWordBits == 0 ? 0 : APINT_BITS_PER_WORD - highWordBits); + unsigned shift; + if (!highWordBits) { + highWordBits = APINT_BITS_PER_WORD; + shift = 0; + } else { + shift = APINT_BITS_PER_WORD - highWordBits; + } int i = getNumWords() - 1; unsigned Count = countLeadingOnes_64(pVal[i], shift); if (Count == highWordBits) { |