diff options
Diffstat (limited to 'clang/lib/Lex/HeaderMap.cpp')
| -rw-r--r-- | clang/lib/Lex/HeaderMap.cpp | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/clang/lib/Lex/HeaderMap.cpp b/clang/lib/Lex/HeaderMap.cpp index 67b663158f0..be0d477e8b5 100644 --- a/clang/lib/Lex/HeaderMap.cpp +++ b/clang/lib/Lex/HeaderMap.cpp @@ -86,10 +86,10 @@ bool HeaderMapImpl::checkHeader(const llvm::MemoryBuffer &File, // Check the number of buckets. It should be a power of two, and there // should be enough space in the file for all of them. - auto NumBuckets = NeedsByteSwap - ? llvm::sys::getSwappedBytes(Header->NumBuckets) - : Header->NumBuckets; - if (NumBuckets & (NumBuckets - 1)) + uint32_t NumBuckets = NeedsByteSwap + ? llvm::sys::getSwappedBytes(Header->NumBuckets) + : Header->NumBuckets; + if (!llvm::isPowerOf2_32(NumBuckets)) return false; if (File.getBufferSize() < sizeof(HMapHeader) + sizeof(HMapBucket) * NumBuckets) @@ -208,7 +208,7 @@ StringRef HeaderMapImpl::lookupFilename(StringRef Filename, unsigned NumBuckets = getEndianAdjustedWord(Hdr.NumBuckets); // Don't probe infinitely. This should be checked before constructing. - assert(!(NumBuckets & (NumBuckets - 1)) && "Expected power of 2"); + assert(llvm::isPowerOf2_32(NumBuckets) && "Expected power of 2"); // Linearly probe the hash table. for (unsigned Bucket = HashHMapKey(Filename);; ++Bucket) { |
