diff options
Diffstat (limited to 'include/llvm/Support/MathExtras.h')
| -rw-r--r-- | include/llvm/Support/MathExtras.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/include/llvm/Support/MathExtras.h b/include/llvm/Support/MathExtras.h index a65bfbcd20..7742e32737 100644 --- a/include/llvm/Support/MathExtras.h +++ b/include/llvm/Support/MathExtras.h @@ -45,7 +45,9 @@ enum ZeroBehavior { template <typename T> typename enable_if_c<std::numeric_limits<T>::is_integer && !std::numeric_limits<T>::is_signed, std::size_t>::type -countTrailingZeros(T Val, ZeroBehavior /*ZB*/ = ZB_Width) { +countTrailingZeros(T Val, ZeroBehavior ZB = ZB_Width) { + (void)ZB; + if (!Val) return std::numeric_limits<T>::digits; if (Val & 0x1) @@ -114,7 +116,9 @@ inline std::size_t countTrailingZeros<uint64_t>(uint64_t Val, ZeroBehavior ZB) { template <typename T> typename enable_if_c<std::numeric_limits<T>::is_integer && !std::numeric_limits<T>::is_signed, std::size_t>::type -countLeadingZeros(T Val, ZeroBehavior /*ZB*/ = ZB_Width) { +countLeadingZeros(T Val, ZeroBehavior ZB = ZB_Width) { + (void)ZB; + if (!Val) return std::numeric_limits<T>::digits; |