utils/TableGen/ClangOpcodesEmitter.cpp

32   void run(raw_ostream &OS);
37   void EmitEnum(raw_ostream &OS, StringRef N, Record *R);
40   void EmitInterp(raw_ostream &OS, StringRef N, Record *R);
43   void EmitDisasm(raw_ostream &OS, StringRef N, Record *R);
46   void EmitEmitter(raw_ostream &OS, StringRef N, Record *R);
49   void EmitProto(raw_ostream &OS, StringRef N, Record *R);
52   void EmitGroup(raw_ostream &OS, StringRef N, Record *R);
55   void EmitEval(raw_ostream &OS, StringRef N, Record *R);
57   void PrintTypes(raw_ostream &OS, ArrayRef<Record *> Types);
88 void ClangOpcodesEmitter::run(raw_ostream &OS) {
95     EmitEnum(OS, N, Opcode);
96     EmitInterp(OS, N, Opcode);
97     EmitDisasm(OS, N, Opcode);
98     EmitProto(OS, N, Opcode);
99     EmitGroup(OS, N, Opcode);
100     EmitEmitter(OS, N, Opcode);
101     EmitEval(OS, N, Opcode);
105 void ClangOpcodesEmitter::EmitEnum(raw_ostream &OS, StringRef N, Record *R) {
106   OS << "#ifdef GET_OPCODE_NAMES\n";
107   Enumerate(R, N, [&OS](ArrayRef<Record *>, const Twine &ID) {
108     OS << "OP_" << ID << ",\n";
110   OS << "#endif\n";
113 void ClangOpcodesEmitter::EmitInterp(raw_ostream &OS, StringRef N, Record *R) {
114   OS << "#ifdef GET_INTERP\n";
116   Enumerate(R, N, [this, R, &OS, &N](ArrayRef<Record *> TS, const Twine &ID) {
121     OS << "case OP_" << ID << ": {\n";
125       OS << "\tauto V" << I;
126       OS << " = ";
127       OS << "PC.read<" << Args[I]->getValueAsString("Name") << ">();\n";
131     OS << "\tif (!" << N;
132     PrintTypes(OS, TS);
133     OS << "(S";
135       OS << ", PC";
137       OS << ", OpPC";
139       OS << ", Result";
141       OS << ", V" << I;
142     OS << "))\n";
143     OS << "\t\treturn false;\n";
147       OS << "\tif (!S.Current || S.Current->isRoot())\n";
148       OS << "\t\treturn true;\n";
151     OS << "\tcontinue;\n";
152     OS << "}\n";
154   OS << "#endif\n";
157 void ClangOpcodesEmitter::EmitDisasm(raw_ostream &OS, StringRef N, Record *R) {
158   OS << "#ifdef GET_DISASM\n";
159   Enumerate(R, N, [R, &OS](ArrayRef<Record *>, const Twine &ID) {
160     OS << "case OP_" << ID << ":\n";
161     OS << "\tPrintName(\"" << ID << "\");\n";
162     OS << "\tOS << \"\\t\"";
165       OS << " << PC.read<" << Arg->getValueAsString("Name") << ">() << \" \"";
167     OS << "<< \"\\n\";\n";
168     OS << "\tcontinue;\n";
170   OS << "#endif\n";
173 void ClangOpcodesEmitter::EmitEmitter(raw_ostream &OS, StringRef N, Record *R) {
177   OS << "#ifdef GET_LINK_IMPL\n";
178   Enumerate(R, N, [R, &OS](ArrayRef<Record *>, const Twine &ID) {
182     OS << "bool ByteCodeEmitter::emit" << ID << "(";
184       OS << Args[I]->getValueAsString("Name") << " A" << I << ",";
185     OS << "const SourceInfo &L) {\n";
188     OS << "\treturn emitOp<";
191         OS << ", ";
192       OS << Args[I]->getValueAsString("Name");
194     OS << ">(OP_" << ID;
196       OS << ", A" << I;
197     OS << ", L);\n";
198     OS << "}\n";
200   OS << "#endif\n";
203 void ClangOpcodesEmitter::EmitProto(raw_ostream &OS, StringRef N, Record *R) {
204   OS << "#if defined(GET_EVAL_PROTO) || defined(GET_LINK_PROTO)\n";
206   Enumerate(R, N, [&OS, &Args](ArrayRef<Record *> TS, const Twine &ID) {
207     OS << "bool emit" << ID << "(";
209       OS << Arg->getValueAsString("Name") << ", ";
210     OS << "const SourceInfo &);\n";
216     OS << "#if defined(GET_EVAL_PROTO)\n";
217     OS << "template<";
220         OS << ", ";
221       OS << "PrimType";
223     OS << ">\n";
224     OS << "bool emit" << N << "(";
226       OS << Arg->getValueAsString("Name") << ", ";
227     OS << "const SourceInfo &);\n";
228     OS << "#endif\n";
231   OS << "#endif\n";
234 void ClangOpcodesEmitter::EmitGroup(raw_ostream &OS, StringRef N, Record *R) {
242   OS << "#if defined(GET_EVAL_PROTO) || defined(GET_LINK_PROTO)\n";
243   OS << "bool emit" << N << "(";
245     OS << "PrimType, ";
247     OS << Arg->getValueAsString("Name") << ", ";
248   OS << "const SourceInfo &I);\n";
249   OS << "#endif\n";
252   OS << "#if defined(GET_EVAL_IMPL) || defined(GET_LINK_IMPL)\n";
253   OS << "bool \n";
254   OS << "#if defined(GET_EVAL_IMPL)\n";
255   OS << "EvalEmitter\n";
256   OS << "#else\n";
257   OS << "ByteCodeEmitter\n";
258   OS << "#endif\n";
259   OS << "::emit" << N << "(";
261     OS << "PrimType T" << I << ", ";
263     OS << Args[I]->getValueAsString("Name") << " A" << I << ", ";
264   OS << "const SourceInfo &I) {\n";
268   Rec = [this, &Rec, &OS, Types, &Args, R, &TS, N](size_t I, const Twine &ID) {
273         OS << "#ifdef GET_LINK_IMPL\n";
274         OS << "return emit" << ID << "\n";
275         OS << "#else\n";
276         OS << "return emit" << N;
277         PrintTypes(OS, TS);
278         OS << "\n#endif\n";
280         OS << "return emit" << ID;
283       OS << "(";
285         OS << "A" << I << ", ";
287       OS << "I);\n";
293       OS << "switch (T" << I << "){\n";
296         OS << "case PT_" << Case->getName() << ":\n";
303         OS << "default: llvm_unreachable(\"invalid type\");\n";
304       OS << "}\n";
305       OS << "llvm_unreachable(\"invalid enum value\");\n";
312   OS << "}\n";
313   OS << "#endif\n";
316 void ClangOpcodesEmitter::EmitEval(raw_ostream &OS, StringRef N, Record *R) {
320   OS << "#ifdef GET_EVAL_IMPL\n";
321   Enumerate(R, N, [this, R, &N, &OS](ArrayRef<Record *> TS, const Twine &ID) {
324     OS << "bool EvalEmitter::emit" << ID << "(";
326       OS << Args[I]->getValueAsString("Name") << " A" << I << ",";
327     OS << "const SourceInfo &L) {\n";
328     OS << "if (!isActive()) return true;\n";
329     OS << "CurrentSource = L;\n";
331     OS << "return " << N;
332     PrintTypes(OS, TS);
333     OS << "(S, OpPC";
335       OS << ", A" << I;
336     OS << ");\n";
337     OS << "}\n";
340   OS << "#endif\n";
343 void ClangOpcodesEmitter::PrintTypes(raw_ostream &OS, ArrayRef<Record *> Types) {
346   OS << "<";
349       OS << ", ";
350     OS << "PT_" << Types[I]->getName();
352   OS << ">";
355 void clang::EmitClangOpcodes(RecordKeeper &Records, raw_ostream &OS) {
356   ClangOpcodesEmitter(Records).run(OS);