diff options
Diffstat (limited to 'contrib/llvm/lib/ProfileData/InstrProfReader.cpp')
| -rw-r--r-- | contrib/llvm/lib/ProfileData/InstrProfReader.cpp | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/contrib/llvm/lib/ProfileData/InstrProfReader.cpp b/contrib/llvm/lib/ProfileData/InstrProfReader.cpp index 81c13b3..ad407f0 100644 --- a/contrib/llvm/lib/ProfileData/InstrProfReader.cpp +++ b/contrib/llvm/lib/ProfileData/InstrProfReader.cpp @@ -46,6 +46,9 @@ InstrProfReader::create(std::unique_ptr<MemoryBuffer> Buffer) { if (Buffer->getBufferSize() > std::numeric_limits<unsigned>::max()) return make_error<InstrProfError>(instrprof_error::too_large); + if (Buffer->getBufferSize() == 0) + return make_error<InstrProfError>(instrprof_error::empty_raw_profile); + std::unique_ptr<InstrProfReader> Result; // Create the reader. if (IndexedInstrProfReader::hasFormat(*Buffer)) @@ -286,7 +289,7 @@ Error RawInstrProfReader<IntPtrT>::readNextHeader(const char *CurrentPos) { if (CurrentPos + sizeof(RawInstrProf::Header) > End) return make_error<InstrProfError>(instrprof_error::malformed); // The writer ensures each profile is padded to start at an aligned address. - if (reinterpret_cast<size_t>(CurrentPos) % alignOf<uint64_t>()) + if (reinterpret_cast<size_t>(CurrentPos) % alignof(uint64_t)) return make_error<InstrProfError>(instrprof_error::malformed); // The magic should have the same byte order as in the previous header. uint64_t Magic = *reinterpret_cast<const uint64_t *>(CurrentPos); |
