diff options
Diffstat (limited to 'llvm')
| -rw-r--r-- | llvm/lib/Support/APInt.cpp | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/llvm/lib/Support/APInt.cpp b/llvm/lib/Support/APInt.cpp index 87edf74e..fe22e9b 100644 --- a/llvm/lib/Support/APInt.cpp +++ b/llvm/lib/Support/APInt.cpp @@ -496,14 +496,14 @@ uint64_t APInt::extractBitsAsZExtValue(unsigned numBits, if (isSingleWord()) return (U.VAL >> bitPosition) & maskBits; + static_assert(APINT_BITS_PER_WORD >= 64, + "This code assumes only two words affected"); unsigned loBit = whichBit(bitPosition); unsigned loWord = whichWord(bitPosition); unsigned hiWord = whichWord(bitPosition + numBits - 1); if (loWord == hiWord) return (U.pVal[loWord] >> loBit) & maskBits; - static_assert(APINT_BITS_PER_WORD <= 64, - "This code assumes only two words affected"); uint64_t retBits = U.pVal[loWord] >> loBit; retBits |= U.pVal[hiWord] << (APINT_BITS_PER_WORD - loBit); retBits &= maskBits; |