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Fix a couple of comments; NFC 

llvm-svn: 250177
This commit is contained in:
Xinliang David Li 2015-10-13 16:35:59 +00:00
parent f8432d97f3
commit c758387e9b
1 changed files with 6 additions and 6 deletions
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12
llvm/lib/ProfileData/InstrProfReader.cpp
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@ -369,20 +369,20 @@ data_type InstrProfLookupTrait::ReadData(StringRef K, const unsigned char *D,
using namespace support;
const unsigned char *End = D + N;
while (D < End) {
// Read hash
// Read hash.
if (D + sizeof(uint64_t) >= End)
return data_type();
uint64_t Hash = endian::readNext<uint64_t, little, unaligned>(D);
// Initialize number of counters for FormatVersion == 1
// Initialize number of counters for FormatVersion == 1.
uint64_t CountsSize = N / sizeof(uint64_t) - 1;
// If format version is different then read number of counters
// If format version is different then read the number of counters.
if (FormatVersion != 1) {
if (D + sizeof(uint64_t) > End)
return data_type();
CountsSize = endian::readNext<uint64_t, little, unaligned>(D);
}
// Read counter values
// Read counter values.
if (D + CountsSize * sizeof(uint64_t) > End)
return data_type();
@ -393,7 +393,7 @@ data_type InstrProfLookupTrait::ReadData(StringRef K, const unsigned char *D,
DataBuffer.push_back(InstrProfRecord(K, Hash, std::move(CounterBuffer)));
// Read value profiling data
// Read value profiling data.
if (FormatVersion > 2 && !ReadValueProfilingData(D, End)) {
DataBuffer.clear();
return data_type();
@ -408,7 +408,7 @@ bool IndexedInstrProfReader::hasFormat(const MemoryBuffer &DataBuffer) {
using namespace support;
uint64_t Magic =
endian::read<uint64_t, little, aligned>(DataBuffer.getBufferStart());
// verify that it's magical
// Verify that it's magical.
return Magic == IndexedInstrProf::Magic;
}