Skip to content

[LLVM][TableGen] Change DFAPacketizerEmitter to use const RecordKeeper #109044

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
merged 1 commit into from
Sep 18, 2024
Merged

[LLVM][TableGen] Change DFAPacketizerEmitter to use const RecordKeeper #109044

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
30 changes: 15 additions & 15 deletions llvm/utils/TableGen/DFAPacketizerEmitter.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -61,26 +61,26 @@ struct ScheduleClass {
class DFAPacketizerEmitter {
private:
std::string TargetName;
RecordKeeper &Records;
const RecordKeeper &Records;

UniqueVector<ResourceVector> UniqueResources;
std::vector<ScheduleClass> ScheduleClasses;
std::map<std::string, uint64_t> FUNameToBitsMap;
std::map<unsigned, uint64_t> ComboBitToBitsMap;

public:
DFAPacketizerEmitter(RecordKeeper &R);
DFAPacketizerEmitter(const RecordKeeper &R);

// Construct a map of function unit names to bits.
int collectAllFuncUnits(ArrayRef<const CodeGenProcModel *> ProcModels);

// Construct a map from a combo function unit bit to the bits of all included
// functional units.
int collectAllComboFuncs(ArrayRef<Record *> ComboFuncList);
int collectAllComboFuncs(ArrayRef<const Record *> ComboFuncList);

ResourceVector getResourcesForItinerary(const Record *Itinerary);
void createScheduleClasses(unsigned ItineraryIdx,
const ConstRecVec &Itineraries);
ArrayRef<const Record *> Itineraries);

// Emit code for a subset of itineraries.
void emitForItineraries(raw_ostream &OS,
Expand All @@ -91,7 +91,7 @@ class DFAPacketizerEmitter {
};
} // end anonymous namespace

DFAPacketizerEmitter::DFAPacketizerEmitter(RecordKeeper &R)
DFAPacketizerEmitter::DFAPacketizerEmitter(const RecordKeeper &R)
: TargetName(std::string(CodeGenTarget(R).getName())), Records(R) {}

int DFAPacketizerEmitter::collectAllFuncUnits(
Expand All @@ -108,7 +108,7 @@ int DFAPacketizerEmitter::collectAllFuncUnits(
int totalFUs = 0;
// Parse functional units for all the itineraries.
for (const Record *Proc : ProcItinList) {
std::vector<Record *> FUs = Proc->getValueAsListOfDefs("FU");
std::vector<const Record *> FUs = Proc->getValueAsListOfConstDefs("FU");

LLVM_DEBUG(dbgs() << " FU:"
<< " (" << FUs.size() << " FUs) " << Proc->getName());
Expand All @@ -130,16 +130,16 @@ int DFAPacketizerEmitter::collectAllFuncUnits(
}

int DFAPacketizerEmitter::collectAllComboFuncs(
ArrayRef<Record *> ComboFuncList) {
ArrayRef<const Record *> ComboFuncList) {
LLVM_DEBUG(dbgs() << "-------------------------------------------------------"
"----------------------\n");
LLVM_DEBUG(dbgs() << "collectAllComboFuncs");
LLVM_DEBUG(dbgs() << " (" << ComboFuncList.size() << " sets)\n");

int numCombos = 0;
for (unsigned i = 0, N = ComboFuncList.size(); i < N; ++i) {
Record *Func = ComboFuncList[i];
std::vector<Record *> FUs = Func->getValueAsListOfDefs("CFD");
const Record *Func = ComboFuncList[i];
std::vector<const Record *> FUs = Func->getValueAsListOfConstDefs("CFD");

LLVM_DEBUG(dbgs() << " CFD:" << i << " (" << FUs.size() << " combo FUs) "
<< Func->getName() << "\n");
Expand All @@ -148,16 +148,16 @@ int DFAPacketizerEmitter::collectAllComboFuncs(
for (unsigned j = 0, N = FUs.size(); j < N; ++j) {
assert((j < DFA_MAX_RESOURCES) &&
"Exceeded maximum number of DFA resources");
Record *FuncData = FUs[j];
Record *ComboFunc = FuncData->getValueAsDef("TheComboFunc");
const std::vector<Record *> &FuncList =
FuncData->getValueAsListOfDefs("FuncList");
const Record *FuncData = FUs[j];
const Record *ComboFunc = FuncData->getValueAsDef("TheComboFunc");
const std::vector<const Record *> FuncList =
FuncData->getValueAsListOfConstDefs("FuncList");
const std::string &ComboFuncName = std::string(ComboFunc->getName());
uint64_t ComboBit = FUNameToBitsMap[ComboFuncName];
uint64_t ComboResources = ComboBit;
LLVM_DEBUG(dbgs() << " combo: " << ComboFuncName << ":0x"
<< Twine::utohexstr(ComboResources) << "\n");
for (auto *K : FuncList) {
for (const Record *K : FuncList) {
std::string FuncName = std::string(K->getName());
uint64_t FuncResources = FUNameToBitsMap[FuncName];
LLVM_DEBUG(dbgs() << " " << FuncName << ":0x"
Expand Down Expand Up @@ -190,7 +190,7 @@ DFAPacketizerEmitter::getResourcesForItinerary(const Record *Itinerary) {
}

void DFAPacketizerEmitter::createScheduleClasses(
unsigned ItineraryIdx, const ConstRecVec &Itineraries) {
unsigned ItineraryIdx, ArrayRef<const Record *> Itineraries) {
unsigned Idx = 0;
for (const Record *Itinerary : Itineraries) {
if (!Itinerary) {
Expand Down
Loading