- cl::value_desc("class name"));
-
- cl::opt<std::string>
- OutputFilename("o", cl::desc("Output filename"), cl::value_desc("filename"),
- cl::init("-"));
-
- cl::opt<std::string>
- InputFilename(cl::Positional, cl::desc("<input file>"), cl::init("-"));
-
- cl::list<std::string>
- IncludeDirs("I", cl::desc("Directory of include files"),
- cl::value_desc("directory"), cl::Prefix);
-}
-
-namespace llvm {
- void ParseFile(const std::string &Filename,
- const std::vector<std::string> &IncludeDirs);
-}
-
-RecordKeeper llvm::Records;
-
-static Init *getBit(Record *R, unsigned BitNo) {
- const std::vector<RecordVal> &V = R->getValues();
- for (unsigned i = 0, e = V.size(); i != e; ++i)
- if (V[i].getPrefix()) {
- assert(dynamic_cast<BitsInit*>(V[i].getValue()) &&
- "Can only handle fields of bits<> type!");
- BitsInit *I = (BitsInit*)V[i].getValue();
- if (BitNo < I->getNumBits())
- return I->getBit(BitNo);
- BitNo -= I->getNumBits();
- }
-
- std::cerr << "Cannot find requested bit!\n";
- exit(1);
- return 0;
-}
-
-static unsigned getNumBits(Record *R) {
- const std::vector<RecordVal> &V = R->getValues();
- unsigned Num = 0;
- for (unsigned i = 0, e = V.size(); i != e; ++i)
- if (V[i].getPrefix()) {
- assert(dynamic_cast<BitsInit*>(V[i].getValue()) &&
- "Can only handle fields of bits<> type!");
- Num += ((BitsInit*)V[i].getValue())->getNumBits();
- }
- return Num;
-}
-
-static bool BitsAreFixed(Record *I1, Record *I2, unsigned BitNo) {
- return dynamic_cast<BitInit*>(getBit(I1, BitNo)) &&
- dynamic_cast<BitInit*>(getBit(I2, BitNo));
-}
-
-static bool BitsAreEqual(Record *I1, Record *I2, unsigned BitNo) {
- BitInit *Bit1 = dynamic_cast<BitInit*>(getBit(I1, BitNo));
- BitInit *Bit2 = dynamic_cast<BitInit*>(getBit(I2, BitNo));
-
- return Bit1 && Bit2 && Bit1->getValue() == Bit2->getValue();
-}
-
-static bool BitRangesEqual(Record *I1, Record *I2,
- unsigned Start, unsigned End) {
- for (unsigned i = Start; i != End; ++i)
- if (!BitsAreEqual(I1, I2, i))
- return false;
- return true;
-}
-
-static unsigned getFirstFixedBit(Record *R, unsigned FirstFixedBit) {
- // Look for the first bit of the pair that are required to be 0 or 1.
- while (!dynamic_cast<BitInit*>(getBit(R, FirstFixedBit)))
- ++FirstFixedBit;
- return FirstFixedBit;
-}
-
-static void FindInstDifferences(Record *I1, Record *I2,
- unsigned FirstFixedBit, unsigned MaxBits,
- unsigned &FirstVaryingBitOverall,
- unsigned &LastFixedBitOverall) {
- // Compare the first instruction to the rest of the instructions, looking for
- // fields that differ.
- //
- unsigned FirstVaryingBit = FirstFixedBit;
- while (FirstVaryingBit < MaxBits && BitsAreEqual(I1, I2, FirstVaryingBit))
- ++FirstVaryingBit;
-
- unsigned LastFixedBit = FirstVaryingBit;
- while (LastFixedBit < MaxBits && BitsAreFixed(I1, I2, LastFixedBit))
- ++LastFixedBit;
-
- if (FirstVaryingBit < FirstVaryingBitOverall)
- FirstVaryingBitOverall = FirstVaryingBit;
- if (LastFixedBit < LastFixedBitOverall)
- LastFixedBitOverall = LastFixedBit;
-}
-
-static bool getBitValue(Record *R, unsigned BitNo) {
- Init *I = getBit(R, BitNo);
- assert(dynamic_cast<BitInit*>(I) && "Bit should be fixed!");
- return ((BitInit*)I)->getValue();
-}
-
-struct BitComparator {
- unsigned BitBegin, BitEnd;
- BitComparator(unsigned B, unsigned E) : BitBegin(B), BitEnd(E) {}
-
- bool operator()(Record *R1, Record *R2) { // Return true if R1 is less than R2
- for (unsigned i = BitBegin; i != BitEnd; ++i) {
- bool V1 = getBitValue(R1, i), V2 = getBitValue(R2, i);
- if (V1 < V2)
- return true;
- else if (V2 < V1)
- return false;
- }
- return false;
+ cl::value_desc("class name"));
+
+bool LLVMTableGenMain(raw_ostream &OS, RecordKeeper &Records) {
+ switch (Action) {
+ case PrintRecords:
+ OS << Records; // No argument, dump all contents
+ break;
+ case GenEmitter:
+ EmitCodeEmitter(Records, OS);
+ break;
+ case GenRegisterInfo:
+ EmitRegisterInfo(Records, OS);
+ break;
+ case GenInstrInfo:
+ EmitInstrInfo(Records, OS);
+ break;
+ case GenCallingConv:
+ EmitCallingConv(Records, OS);
+ break;
+ case GenAsmWriter:
+ EmitAsmWriter(Records, OS);
+ break;
+ case GenAsmMatcher:
+ EmitAsmMatcher(Records, OS);
+ break;
+ case GenDisassembler:
+ EmitDisassembler(Records, OS);
+ break;
+ case GenPseudoLowering:
+ EmitPseudoLowering(Records, OS);
+ break;
+ case GenDAGISel:
+ EmitDAGISel(Records, OS);
+ break;
+ case GenDFAPacketizer:
+ EmitDFAPacketizer(Records, OS);
+ break;
+ case GenFastISel:
+ EmitFastISel(Records, OS);
+ break;
+ case GenSubtarget:
+ EmitSubtarget(Records, OS);
+ break;
+ case GenIntrinsic:
+ EmitIntrinsics(Records, OS);
+ break;
+ case GenTgtIntrinsic:
+ EmitIntrinsics(Records, OS, true);
+ break;
+ case GenOptParserDefs:
+ EmitOptParser(Records, OS);
+ break;
+ case PrintEnums:
+ {
+ std::vector<Record*> Recs = Records.getAllDerivedDefinitions(Class);
+ for (unsigned i = 0, e = Recs.size(); i != e; ++i)
+ OS << Recs[i]->getName() << ", ";
+ OS << "\n";
+ break;