caio/clang-p2996
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Revert "[BOLT] Track fragment info for all split fragments"

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This reverts commit 7e254818e4.
This commit is contained in:
Fabian Parzefall
2022-08-24 10:47:35 -07:00
parent 3ab00cfca9
commit 6304e38281
6 changed files with 159 additions and 181 deletions
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30
bolt/lib/Profile/BoltAddressTranslation.cpp
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@@ -73,27 +73,29 @@ void BoltAddressTranslation::write(const BinaryContext &BC, raw_ostream &OS) {
LLVM_DEBUG(dbgs() << "Function name: " << Function.getPrintName() << "\n");
LLVM_DEBUG(dbgs() << " Address reference: 0x"
<< Twine::utohexstr(Function.getOutputAddress()) << "\n");
MapTy Map;
for (const BinaryBasicBlock *const BB :
Function.getLayout().getMainFragment())
const bool IsSplit = Function.isSplit();
for (const BinaryBasicBlock *const BB : Function.getLayout().blocks()) {
if (IsSplit && BB->isCold())
break;
writeEntriesForBB(Map, *BB, Function.getOutputAddress());
Maps.emplace(Function.getOutputAddress(), std::move(Map));
}
Maps.insert(std::pair<uint64_t, MapTy>(Function.getOutputAddress(), Map));
if (!Function.isSplit())
if (!IsSplit)
continue;
// Split maps
// Cold map
Map.clear();
LLVM_DEBUG(dbgs() << " Cold part\n");
for (const FunctionFragment &FF :
Function.getLayout().getSplitFragments()) {
Map.clear();
for (const BinaryBasicBlock *const BB : FF)
writeEntriesForBB(Map, *BB, FF.getAddress());
Maps.emplace(FF.getAddress(), std::move(Map));
ColdPartSource.emplace(FF.getAddress(), Function.getOutputAddress());
for (const BinaryBasicBlock *const BB : Function.getLayout().blocks()) {
if (!BB->isCold())
continue;
writeEntriesForBB(Map, *BB, Function.cold().getAddress());
}
Maps.insert(std::pair<uint64_t, MapTy>(Function.cold().getAddress(), Map));
ColdPartSource.insert(std::pair<uint64_t, uint64_t>(
Function.cold().getAddress(), Function.getOutputAddress()));
}
const uint32_t NumFuncs = Maps.size();