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authorAndrew Trick <atrick@apple.com>2011-04-01 01:56:55 +0000
committerAndrew Trick <atrick@apple.com>2011-04-01 01:56:55 +0000
commitda96cf2029e47baf77df5c1ce6528a04246d6462 (patch)
tree45fbbed12990e445597106c80e5004e72a493391
parent8e23e815ad1136721acdfcce76975a37c8a2c036 (diff)
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@128701 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r--utils/TableGen/SubtargetEmitter.cpp130
-rw-r--r--utils/TableGen/SubtargetEmitter.h6
2 files changed, 68 insertions, 68 deletions
diff --git a/utils/TableGen/SubtargetEmitter.cpp b/utils/TableGen/SubtargetEmitter.cpp
index e35bdca978..8745d76ae6 100644
--- a/utils/TableGen/SubtargetEmitter.cpp
+++ b/utils/TableGen/SubtargetEmitter.cpp
@@ -31,24 +31,24 @@ void SubtargetEmitter::Enumeration(raw_ostream &OS,
// Open enumeration
OS << "enum {\n";
-
+
// For each record
for (unsigned i = 0, N = DefList.size(); i < N;) {
// Next record
Record *Def = DefList[i];
-
+
// Get and emit name
OS << " " << Def->getName();
-
+
// If bit flags then emit expression (1 << i)
if (isBits) OS << " = " << " 1 << " << i;
// Depending on 'if more in the list' emit comma
if (++i < N) OS << ",";
-
+
OS << "\n";
}
-
+
// Close enumeration
OS << "};\n";
}
@@ -66,7 +66,7 @@ void SubtargetEmitter::FeatureKeyValues(raw_ostream &OS) {
// Begin feature table
OS << "// Sorted (by key) array of values for CPU features.\n"
<< "static const llvm::SubtargetFeatureKV FeatureKV[] = {\n";
-
+
// For each feature
for (unsigned i = 0, N = FeatureList.size(); i < N; ++i) {
// Next feature
@@ -75,18 +75,18 @@ void SubtargetEmitter::FeatureKeyValues(raw_ostream &OS) {
const std::string &Name = Feature->getName();
const std::string &CommandLineName = Feature->getValueAsString("Name");
const std::string &Desc = Feature->getValueAsString("Desc");
-
+
if (CommandLineName.empty()) continue;
-
+
// Emit as { "feature", "description", featureEnum, i1 | i2 | ... | in }
OS << " { "
<< "\"" << CommandLineName << "\", "
<< "\"" << Desc << "\", "
<< Name << ", ";
- const std::vector<Record*> &ImpliesList =
+ const std::vector<Record*> &ImpliesList =
Feature->getValueAsListOfDefs("Implies");
-
+
if (ImpliesList.empty()) {
OS << "0";
} else {
@@ -97,13 +97,13 @@ void SubtargetEmitter::FeatureKeyValues(raw_ostream &OS) {
}
OS << " }";
-
+
// Depending on 'if more in the list' emit comma
if ((i + 1) < N) OS << ",";
-
+
OS << "\n";
}
-
+
// End feature table
OS << "};\n";
@@ -126,21 +126,21 @@ void SubtargetEmitter::CPUKeyValues(raw_ostream &OS) {
// Begin processor table
OS << "// Sorted (by key) array of values for CPU subtype.\n"
<< "static const llvm::SubtargetFeatureKV SubTypeKV[] = {\n";
-
+
// For each processor
for (unsigned i = 0, N = ProcessorList.size(); i < N;) {
// Next processor
Record *Processor = ProcessorList[i];
const std::string &Name = Processor->getValueAsString("Name");
- const std::vector<Record*> &FeatureList =
+ const std::vector<Record*> &FeatureList =
Processor->getValueAsListOfDefs("Features");
-
+
// Emit as { "cpu", "description", f1 | f2 | ... fn },
OS << " { "
<< "\"" << Name << "\", "
<< "\"Select the " << Name << " processor\", ";
-
+
if (FeatureList.empty()) {
OS << "0";
} else {
@@ -149,16 +149,16 @@ void SubtargetEmitter::CPUKeyValues(raw_ostream &OS) {
if (++j < M) OS << " | ";
}
}
-
+
// The "0" is for the "implies" section of this data structure.
OS << ", 0 }";
-
+
// Depending on 'if more in the list' emit comma
if (++i < N) OS << ",";
-
+
OS << "\n";
}
-
+
// End processor table
OS << "};\n";
@@ -185,7 +185,7 @@ CollectAllItinClasses(raw_ostream &OS,
// Assign itinerary class a unique number
ItinClassesMap[ItinClass->getName()] = i;
}
-
+
// Emit size of table
OS<<"\nenum {\n";
OS<<" ItinClassesSize = " << N << "\n";
@@ -213,21 +213,21 @@ void SubtargetEmitter::FormItineraryStageString(const std::string &Name,
for (unsigned i = 0; i < N;) {
// Next stage
const Record *Stage = StageList[i];
-
+
// Form string as ,{ cycles, u1 | u2 | ... | un, timeinc, kind }
int Cycles = Stage->getValueAsInt("Cycles");
ItinString += " { " + itostr(Cycles) + ", ";
-
+
// Get unit list
const std::vector<Record*> &UnitList = Stage->getValueAsListOfDefs("Units");
-
+
// For each unit
for (unsigned j = 0, M = UnitList.size(); j < M;) {
// Add name and bitwise or
ItinString += Name + "FU::" + UnitList[j]->getName();
if (++j < M) ItinString += " | ";
}
-
+
int TimeInc = Stage->getValueAsInt("TimeInc");
ItinString += ", " + itostr(TimeInc);
@@ -256,7 +256,7 @@ void SubtargetEmitter::FormItineraryOperandCycleString(Record *ItinData,
for (unsigned i = 0; i < N;) {
// Next operand cycle
const int OCycle = OperandCycleList[i];
-
+
ItinString += " " + itostr(OCycle);
if (++i < N) ItinString += ", ";
}
@@ -292,7 +292,7 @@ void SubtargetEmitter::EmitStageAndOperandCycleData(raw_ostream &OS,
// Gather processor iteraries
std::vector<Record*> ProcItinList =
Records.getAllDerivedDefinitions("ProcessorItineraries");
-
+
// If just no itinerary then don't bother
if (ProcItinList.size() < 2) return;
@@ -332,7 +332,7 @@ void SubtargetEmitter::EmitStageAndOperandCycleData(raw_ostream &OS,
// Begin stages table
std::string StageTable = "\nstatic const llvm::InstrStage Stages[] = {\n";
StageTable += " { 0, 0, 0, llvm::InstrStage::Required }, // No itinerary\n";
-
+
// Begin operand cycle table
std::string OperandCycleTable = "static const unsigned OperandCycles[] = {\n";
OperandCycleTable += " 0, // No itinerary\n";
@@ -340,32 +340,32 @@ void SubtargetEmitter::EmitStageAndOperandCycleData(raw_ostream &OS,
// Begin pipeline bypass table
std::string BypassTable = "static const unsigned ForwardingPathes[] = {\n";
BypassTable += " 0, // No itinerary\n";
-
+
unsigned StageCount = 1, OperandCycleCount = 1;
unsigned ItinStageEnum = 1, ItinOperandCycleEnum = 1;
std::map<std::string, unsigned> ItinStageMap, ItinOperandMap;
for (unsigned i = 0, N = ProcItinList.size(); i < N; i++) {
// Next record
Record *Proc = ProcItinList[i];
-
+
// Get processor itinerary name
const std::string &Name = Proc->getName();
-
+
// Skip default
if (Name == "NoItineraries") continue;
-
+
// Create and expand processor itinerary to cover all itinerary classes
std::vector<InstrItinerary> ItinList;
ItinList.resize(NItinClasses);
-
+
// Get itinerary data list
std::vector<Record*> ItinDataList = Proc->getValueAsListOfDefs("IID");
-
+
// For each itinerary data
for (unsigned j = 0, M = ItinDataList.size(); j < M; j++) {
// Next itinerary data
Record *ItinData = ItinDataList[j];
-
+
// Get string and stage count
std::string ItinStageString;
unsigned NStages;
@@ -394,7 +394,7 @@ void SubtargetEmitter::EmitStageAndOperandCycleData(raw_ostream &OS,
ItinStageEnum++;
}
}
-
+
// Check to see if operand cycle already exists and create if it doesn't
unsigned FindOperandCycle = 0;
if (NOperandCycles > 0) {
@@ -402,25 +402,25 @@ void SubtargetEmitter::EmitStageAndOperandCycleData(raw_ostream &OS,
FindOperandCycle = ItinOperandMap[ItinOperandString];
if (FindOperandCycle == 0) {
// Emit as cycle, // index
- OperandCycleTable += ItinOperandCycleString + ", // " +
+ OperandCycleTable += ItinOperandCycleString + ", // " +
itostr(ItinOperandCycleEnum) + "\n";
// Record Itin class number.
- ItinOperandMap[ItinOperandCycleString] =
+ ItinOperandMap[ItinOperandCycleString] =
FindOperandCycle = OperandCycleCount;
// Emit as bypass, // index
- BypassTable += ItinBypassString + ", // " +
+ BypassTable += ItinBypassString + ", // " +
itostr(ItinOperandCycleEnum) + "\n";
OperandCycleCount += NOperandCycles;
ItinOperandCycleEnum++;
}
}
-
+
// Locate where to inject into processor itinerary table
const std::string &Name = ItinData->getValueAsDef("TheClass")->getName();
unsigned Find = ItinClassesMap[Name];
-
+
// Set up itinerary as location and location + stage count
unsigned NumUOps = ItinClassList[Find]->getValueAsInt("NumMicroOps");
InstrItinerary Intinerary = { NumUOps, FindStage, FindStage + NStages,
@@ -430,7 +430,7 @@ void SubtargetEmitter::EmitStageAndOperandCycleData(raw_ostream &OS,
// Inject - empty slots will be 0, 0
ItinList[Find] = Intinerary;
}
-
+
// Add process itinerary to list
ProcList.push_back(ItinList);
}
@@ -450,7 +450,7 @@ void SubtargetEmitter::EmitStageAndOperandCycleData(raw_ostream &OS,
OS << StageTable;
OS << OperandCycleTable;
OS << BypassTable;
-
+
// Emit size of tables
OS<<"\nenum {\n";
OS<<" StagesSize = sizeof(Stages)/sizeof(llvm::InstrStage),\n";
@@ -466,7 +466,7 @@ void SubtargetEmitter::EmitProcessorData(raw_ostream &OS,
// Get an iterator for processor itinerary stages
std::vector<std::vector<InstrItinerary> >::iterator
ProcListIter = ProcList.begin();
-
+
// For each processor itinerary
std::vector<Record*> Itins =
Records.getAllDerivedDefinitions("ProcessorItineraries");
@@ -476,35 +476,35 @@ void SubtargetEmitter::EmitProcessorData(raw_ostream &OS,
// Get processor itinerary name
const std::string &Name = Itin->getName();
-
+
// Skip default
if (Name == "NoItineraries") continue;
// Begin processor itinerary table
OS << "\n";
OS << "static const llvm::InstrItinerary " << Name << "[] = {\n";
-
+
// For each itinerary class
std::vector<InstrItinerary> &ItinList = *ProcListIter++;
for (unsigned j = 0, M = ItinList.size(); j < M; ++j) {
InstrItinerary &Intinerary = ItinList[j];
-
- // Emit in the form of
+
+ // Emit in the form of
// { firstStage, lastStage, firstCycle, lastCycle } // index
if (Intinerary.FirstStage == 0) {
OS << " { 1, 0, 0, 0, 0 }";
} else {
OS << " { " <<
Intinerary.NumMicroOps << ", " <<
- Intinerary.FirstStage << ", " <<
- Intinerary.LastStage << ", " <<
- Intinerary.FirstOperandCycle << ", " <<
+ Intinerary.FirstStage << ", " <<
+ Intinerary.LastStage << ", " <<
+ Intinerary.FirstOperandCycle << ", " <<
Intinerary.LastOperandCycle << " }";
}
-
+
OS << ", // " << j << "\n";
}
-
+
// End processor itinerary table
OS << " { 1, ~0U, ~0U, ~0U, ~0U } // end marker\n";
OS << "};\n";
@@ -524,7 +524,7 @@ void SubtargetEmitter::EmitProcessorLookup(raw_ostream &OS) {
OS << "\n";
OS << "// Sorted (by key) array of itineraries for CPU subtype.\n"
<< "static const llvm::SubtargetInfoKV ProcItinKV[] = {\n";
-
+
// For each processor
for (unsigned i = 0, N = ProcessorList.size(); i < N;) {
// Next processor
@@ -533,20 +533,20 @@ void SubtargetEmitter::EmitProcessorLookup(raw_ostream &OS) {
const std::string &Name = Processor->getValueAsString("Name");
const std::string &ProcItin =
Processor->getValueAsDef("ProcItin")->getName();
-
+
// Emit as { "cpu", procinit },
OS << " { "
<< "\"" << Name << "\", "
<< "(void *)&" << ProcItin;
-
+
OS << " }";
-
+
// Depending on ''if more in the list'' emit comma
if (++i < N) OS << ",";
-
+
OS << "\n";
}
-
+
// End processor table
OS << "};\n";
@@ -566,13 +566,13 @@ void SubtargetEmitter::EmitData(raw_ostream &OS) {
std::vector<Record*> ItinClassList =
Records.getAllDerivedDefinitions("InstrItinClass");
std::sort(ItinClassList.begin(), ItinClassList.end(), LessRecord());
-
+
// Enumerate all the itinerary classes
unsigned NItinClasses = CollectAllItinClasses(OS, ItinClassesMap,
ItinClassList);
// Make sure the rest is worth the effort
HasItineraries = NItinClasses != 1; // Ignore NoItinerary.
-
+
if (HasItineraries) {
std::vector<std::vector<InstrItinerary> > ProcList;
// Emit the stage data
@@ -594,8 +594,8 @@ void SubtargetEmitter::ParseFeaturesFunction(raw_ostream &OS) {
Records.getAllDerivedDefinitions("SubtargetFeature");
std::sort(Features.begin(), Features.end(), LessRecord());
- OS << "// ParseSubtargetFeatures - Parses features string setting specified\n"
- << "// subtarget options.\n"
+ OS << "// ParseSubtargetFeatures - Parses features string setting specified\n"
+ << "// subtarget options.\n"
<< "std::string llvm::";
OS << Target;
OS << "Subtarget::ParseSubtargetFeatures(const std::string &FS,\n"
@@ -618,7 +618,7 @@ void SubtargetEmitter::ParseFeaturesFunction(raw_ostream &OS) {
OS << " if ((Bits & " << Instance << ") != 0) "
<< Attribute << " = " << Value << ";\n";
else
- OS << " if ((Bits & " << Instance << ") != 0 && " << Attribute <<
+ OS << " if ((Bits & " << Instance << ") != 0 && " << Attribute <<
" < " << Value << ") " << Attribute << " = " << Value << ";\n";
}
diff --git a/utils/TableGen/SubtargetEmitter.h b/utils/TableGen/SubtargetEmitter.h
index 3abec3b240..810c001251 100644
--- a/utils/TableGen/SubtargetEmitter.h
+++ b/utils/TableGen/SubtargetEmitter.h
@@ -24,11 +24,11 @@
namespace llvm {
class SubtargetEmitter : public TableGenBackend {
-
+
RecordKeeper &Records;
std::string Target;
bool HasItineraries;
-
+
void Enumeration(raw_ostream &OS, const char *ClassName, bool isBits);
void FeatureKeyValues(raw_ostream &OS);
void CPUKeyValues(raw_ostream &OS);
@@ -52,7 +52,7 @@ class SubtargetEmitter : public TableGenBackend {
void EmitProcessorLookup(raw_ostream &OS);
void EmitData(raw_ostream &OS);
void ParseFeaturesFunction(raw_ostream &OS);
-
+
public:
SubtargetEmitter(RecordKeeper &R) : Records(R), HasItineraries(false) {}