diff options
Diffstat (limited to 'include/llvm/Support/MathExtras.h')
-rw-r--r-- | include/llvm/Support/MathExtras.h | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/include/llvm/Support/MathExtras.h b/include/llvm/Support/MathExtras.h index f3c3b676d6..88a110395d 100644 --- a/include/llvm/Support/MathExtras.h +++ b/include/llvm/Support/MathExtras.h @@ -55,27 +55,27 @@ inline bool isUInt32(int64_t Value) { /// isMask_32 - This function returns true if the argument is a sequence of ones /// starting at the least significant bit with the remainder zero (32 bit /// version). Ex. isMask_32(0x0000FFFFU) == true. -inline const bool isMask_32(uint32_t Value) { +inline bool isMask_32(uint32_t Value) { return Value && ((Value + 1) & Value) == 0; } /// isMask_64 - This function returns true if the argument is a sequence of ones /// starting at the least significant bit with the remainder zero (64 bit /// version). -inline const bool isMask_64(uint64_t Value) { +inline bool isMask_64(uint64_t Value) { return Value && ((Value + 1) & Value) == 0; } /// isShiftedMask_32 - This function returns true if the argument contains a /// sequence of ones with the remainder zero (32 bit version.) /// Ex. isShiftedMask_32(0x0000FF00U) == true. -inline const bool isShiftedMask_32(uint32_t Value) { +inline bool isShiftedMask_32(uint32_t Value) { return isMask_32((Value - 1) | Value); } /// isShiftedMask_64 - This function returns true if the argument contains a /// sequence of ones with the remainder zero (64 bit version.) -inline const bool isShiftedMask_64(uint64_t Value) { +inline bool isShiftedMask_64(uint64_t Value) { return isMask_64((Value - 1) | Value); } |