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Diffstat (limited to 'lib/ProfileData/InstrProfReader.cpp')
-rw-r--r--lib/ProfileData/InstrProfReader.cpp49
1 files changed, 36 insertions, 13 deletions
diff --git a/lib/ProfileData/InstrProfReader.cpp b/lib/ProfileData/InstrProfReader.cpp
index ad407f07957f..856f793363f7 100644
--- a/lib/ProfileData/InstrProfReader.cpp
+++ b/lib/ProfileData/InstrProfReader.cpp
@@ -1,4 +1,4 @@
-//=-- InstrProfReader.cpp - Instrumented profiling reader -------------------=//
+//===- InstrProfReader.cpp - Instrumented profiling reader ----------------===//
//
// The LLVM Compiler Infrastructure
//
@@ -12,9 +12,27 @@
//
//===----------------------------------------------------------------------===//
-#include "llvm/ProfileData/InstrProfReader.h"
+#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/STLExtras.h"
-#include <cassert>
+#include "llvm/ADT/StringRef.h"
+#include "llvm/IR/ProfileSummary.h"
+#include "llvm/ProfileData/InstrProf.h"
+#include "llvm/ProfileData/InstrProfReader.h"
+#include "llvm/ProfileData/ProfileCommon.h"
+#include "llvm/Support/Endian.h"
+#include "llvm/Support/Error.h"
+#include "llvm/Support/ErrorOr.h"
+#include "llvm/Support/MemoryBuffer.h"
+#include "llvm/Support/SwapByteOrder.h"
+#include <algorithm>
+#include <cctype>
+#include <cstddef>
+#include <cstdint>
+#include <limits>
+#include <memory>
+#include <system_error>
+#include <utility>
+#include <vector>
using namespace llvm;
@@ -78,7 +96,6 @@ IndexedInstrProfReader::create(const Twine &Path) {
return IndexedInstrProfReader::create(std::move(BufferOrError.get()));
}
-
Expected<std::unique_ptr<IndexedInstrProfReader>>
IndexedInstrProfReader::create(std::unique_ptr<MemoryBuffer> Buffer) {
// Sanity check the buffer.
@@ -182,7 +199,7 @@ TextInstrProfReader::readValueProfileData(InstrProfRecord &Record) {
CHECK_LINE_END(Line);
std::pair<StringRef, StringRef> VD = Line->rsplit(':');
uint64_t TakenCount, Value;
- if (VK == IPVK_IndirectCallTarget) {
+ if (ValueKind == IPVK_IndirectCallTarget) {
Symtab->addFuncName(VD.first);
Value = IndexedInstrProf::ComputeHash(VD.first);
} else {
@@ -192,7 +209,8 @@ TextInstrProfReader::readValueProfileData(InstrProfRecord &Record) {
CurrentValues.push_back({Value, TakenCount});
Line++;
}
- Record.addValueData(VK, S, CurrentValues.data(), NumValueData, nullptr);
+ Record.addValueData(ValueKind, S, CurrentValues.data(), NumValueData,
+ nullptr);
}
}
return success();
@@ -232,7 +250,7 @@ Error TextInstrProfReader::readNextRecord(InstrProfRecord &Record) {
return error(instrprof_error::malformed);
// Read each counter and fill our internal storage with the values.
- Record.Counts.clear();
+ Record.Clear();
Record.Counts.reserve(NumCounters);
for (uint64_t I = 0; I < NumCounters; ++I) {
if (Line.is_at_end())
@@ -398,7 +416,6 @@ Error RawInstrProfReader<IntPtrT>::readRawCounts(
template <class IntPtrT>
Error RawInstrProfReader<IntPtrT>::readValueProfilingData(
InstrProfRecord &Record) {
-
Record.clearValueData();
CurValueDataSize = 0;
// Need to match the logic in value profile dumper code in compiler-rt:
@@ -454,9 +471,11 @@ Error RawInstrProfReader<IntPtrT>::readNextRecord(InstrProfRecord &Record) {
}
namespace llvm {
+
template class RawInstrProfReader<uint32_t>;
template class RawInstrProfReader<uint64_t>;
-}
+
+} // end namespace llvm
InstrProfLookupTrait::hash_value_type
InstrProfLookupTrait::ComputeHash(StringRef K) {
@@ -482,6 +501,8 @@ bool InstrProfLookupTrait::readValueProfilingData(
data_type InstrProfLookupTrait::ReadData(StringRef K, const unsigned char *D,
offset_type N) {
+ using namespace support;
+
// Check if the data is corrupt. If so, don't try to read it.
if (N % sizeof(uint64_t))
return data_type();
@@ -489,7 +510,6 @@ data_type InstrProfLookupTrait::ReadData(StringRef K, const unsigned char *D,
DataBuffer.clear();
std::vector<uint64_t> CounterBuffer;
- using namespace support;
const unsigned char *End = D + N;
while (D < End) {
// Read hash.
@@ -567,9 +587,10 @@ InstrProfReaderIndex<HashTableImpl>::InstrProfReaderIndex(
}
bool IndexedInstrProfReader::hasFormat(const MemoryBuffer &DataBuffer) {
+ using namespace support;
+
if (DataBuffer.getBufferSize() < 8)
return false;
- using namespace support;
uint64_t Magic =
endian::read<uint64_t, little, aligned>(DataBuffer.getBufferStart());
// Verify that it's magical.
@@ -581,6 +602,7 @@ IndexedInstrProfReader::readSummary(IndexedInstrProf::ProfVersion Version,
const unsigned char *Cur) {
using namespace IndexedInstrProf;
using namespace support;
+
if (Version >= IndexedInstrProf::Version4) {
const IndexedInstrProf::Summary *SummaryInLE =
reinterpret_cast<const IndexedInstrProf::Summary *>(Cur);
@@ -617,6 +639,7 @@ IndexedInstrProfReader::readSummary(IndexedInstrProf::ProfVersion Version,
} else {
// For older version of profile data, we need to compute on the fly:
using namespace IndexedInstrProf;
+
InstrProfSummaryBuilder Builder(ProfileSummaryBuilder::DefaultCutoffs);
// FIXME: This only computes an empty summary. Need to call addRecord for
// all InstrProfRecords to get the correct summary.
@@ -626,14 +649,14 @@ IndexedInstrProfReader::readSummary(IndexedInstrProf::ProfVersion Version,
}
Error IndexedInstrProfReader::readHeader() {
+ using namespace support;
+
const unsigned char *Start =
(const unsigned char *)DataBuffer->getBufferStart();
const unsigned char *Cur = Start;
if ((const unsigned char *)DataBuffer->getBufferEnd() - Cur < 24)
return error(instrprof_error::truncated);
- using namespace support;
-
auto *Header = reinterpret_cast<const IndexedInstrProf::Header *>(Cur);
Cur += sizeof(IndexedInstrProf::Header);