[TableGen] Remove unused target intrinsic generation logic

AMDGPU was the last in tree target to use this tablegen mode. I plan to
split up the global intrinsic enum similar to the way that clang
diagnostics are split up today. I don't plan to build on this mode.

Reviewers: arsenm, echristo, efriedma

Reviewed By: echristo

Differential Revision: https://reviews.llvm.org/D71318

utils/TableGen/CodeGenDAGPatterns.cpp

@@ -3028,8 +3028,7 @@ CodeGenDAGPatterns::CodeGenDAGPatterns(RecordKeeper &R,
     : Records(R), Target(R), LegalVTS(Target.getLegalValueTypes()),
       PatternRewriter(PatternRewriter) {
 
-  Intrinsics = CodeGenIntrinsicTable(Records, false);
-  TgtIntrinsics = CodeGenIntrinsicTable(Records, true);
+  Intrinsics = CodeGenIntrinsicTable(Records);
   ParseNodeInfo();
   ParseNodeTransforms();
   ParseComplexPatterns();

utils/TableGen/CodeGenDAGPatterns.h

@@ -1145,7 +1145,6 @@ class CodeGenDAGPatterns {
   RecordKeeper &Records;
   CodeGenTarget Target;
   CodeGenIntrinsicTable Intrinsics;
-  CodeGenIntrinsicTable TgtIntrinsics;
 
   std::map<Record*, SDNodeInfo, LessRecordByID> SDNodes;
   std::map<Record*, std::pair<Record*, std::string>, LessRecordByID>
@@ -1211,24 +1210,18 @@ public:
   const CodeGenIntrinsic &getIntrinsic(Record *R) const {
     for (unsigned i = 0, e = Intrinsics.size(); i != e; ++i)
       if (Intrinsics[i].TheDef == R) return Intrinsics[i];
-    for (unsigned i = 0, e = TgtIntrinsics.size(); i != e; ++i)
-      if (TgtIntrinsics[i].TheDef == R) return TgtIntrinsics[i];
     llvm_unreachable("Unknown intrinsic!");
   }
 
   const CodeGenIntrinsic &getIntrinsicInfo(unsigned IID) const {
     if (IID-1 < Intrinsics.size())
       return Intrinsics[IID-1];
-    if (IID-Intrinsics.size()-1 < TgtIntrinsics.size())
-      return TgtIntrinsics[IID-Intrinsics.size()-1];
     llvm_unreachable("Bad intrinsic ID!");
   }
 
   unsigned getIntrinsicID(Record *R) const {
     for (unsigned i = 0, e = Intrinsics.size(); i != e; ++i)
       if (Intrinsics[i].TheDef == R) return i;
-    for (unsigned i = 0, e = TgtIntrinsics.size(); i != e; ++i)
-      if (TgtIntrinsics[i].TheDef == R) return i + Intrinsics.size();
     llvm_unreachable("Unknown intrinsic!");
   }
 
@@ -1285,8 +1278,6 @@ public:
     return intrinsic_wo_chain_sdnode;
   }
 
-  bool hasTargetIntrinsics() { return !TgtIntrinsics.empty(); }
-
   unsigned allocateScope() { return ++NumScopes; }
 
   bool operandHasDefault(Record *Op) const {

utils/TableGen/CodeGenIntrinsics.h

@@ -176,7 +176,7 @@ public:
   };
   std::vector<TargetSet> Targets;
 
-  explicit CodeGenIntrinsicTable(const RecordKeeper &RC, bool TargetOnly);
+  explicit CodeGenIntrinsicTable(const RecordKeeper &RC);
   CodeGenIntrinsicTable() = default;
 
   bool empty() const { return Intrinsics.empty(); }

utils/TableGen/CodeGenTarget.cpp

@@ -574,17 +574,14 @@ ComplexPattern::ComplexPattern(Record *R) {
 // CodeGenIntrinsic Implementation
 //===----------------------------------------------------------------------===//
 
-CodeGenIntrinsicTable::CodeGenIntrinsicTable(const RecordKeeper &RC,
-                                             bool TargetOnly) {
+CodeGenIntrinsicTable::CodeGenIntrinsicTable(const RecordKeeper &RC) {
   std::vector<Record*> Defs = RC.getAllDerivedDefinitions("Intrinsic");
 
   Intrinsics.reserve(Defs.size());
 
-  for (unsigned I = 0, e = Defs.size(); I != e; ++I) {
-    bool isTarget = Defs[I]->getValueAsBit("isTarget");
-    if (isTarget == TargetOnly)
-      Intrinsics.push_back(CodeGenIntrinsic(Defs[I]));
-  }
+  for (unsigned I = 0, e = Defs.size(); I != e; ++I)
+    Intrinsics.push_back(CodeGenIntrinsic(Defs[I]));
+
   llvm::sort(Intrinsics,
              [](const CodeGenIntrinsic &LHS, const CodeGenIntrinsic &RHS) {
                return std::tie(LHS.TargetPrefix, LHS.Name) <

utils/TableGen/IntrinsicEmitter.cpp

@@ -26,12 +26,9 @@ using namespace llvm;
 namespace {
 class IntrinsicEmitter {
   RecordKeeper &Records;
-  bool TargetOnly;
-  std::string TargetPrefix;
 
 public:
-  IntrinsicEmitter(RecordKeeper &R, bool T)
-    : Records(R), TargetOnly(T) {}
+  IntrinsicEmitter(RecordKeeper &R) : Records(R) {}
 
   void run(raw_ostream &OS, bool Enums);
 
@@ -58,10 +55,7 @@ public:
 void IntrinsicEmitter::run(raw_ostream &OS, bool Enums) {
   emitSourceFileHeader("Intrinsic Function Source Fragment", OS);
 
-  CodeGenIntrinsicTable Ints(Records, TargetOnly);
-
-  if (TargetOnly && !Ints.empty())
-    TargetPrefix = Ints[0].TargetPrefix;
+  CodeGenIntrinsicTable Ints(Records);
 
   EmitPrefix(OS);
 
@@ -588,11 +582,7 @@ void IntrinsicEmitter::EmitAttributes(const CodeGenIntrinsicTable &Ints,
                                       raw_ostream &OS) {
   OS << "// Add parameter attributes that are not common to all intrinsics.\n";
   OS << "#ifdef GET_INTRINSIC_ATTRIBUTES\n";
-  if (TargetOnly)
-    OS << "static AttributeList getAttributes(LLVMContext &C, " << TargetPrefix
-       << "Intrinsic::ID id) {\n";
-  else
-    OS << "AttributeList Intrinsic::getAttributes(LLVMContext &C, ID id) {\n";
+  OS << "AttributeList Intrinsic::getAttributes(LLVMContext &C, ID id) {\n";
 
   // Compute the maximum number of attribute arguments and the map
   typedef std::map<const CodeGenIntrinsic*, unsigned,
@@ -625,12 +615,7 @@ void IntrinsicEmitter::EmitAttributes(const CodeGenIntrinsicTable &Ints,
   OS << "  AttributeList AS[" << maxArgAttrs + 1 << "];\n";
   OS << "  unsigned NumAttrs = 0;\n";
   OS << "  if (id != 0) {\n";
-  OS << "    switch(IntrinsicsToAttributesMap[id - ";
-  if (TargetOnly)
-    OS << "Intrinsic::num_intrinsics";
-  else
-    OS << "1";
-  OS << "]) {\n";
+  OS << "    switch(IntrinsicsToAttributesMap[id - 1]) {\n";
   OS << "    default: llvm_unreachable(\"Invalid attribute number\");\n";
   for (UniqAttrMapTy::const_iterator I = UniqAttributes.begin(),
        E = UniqAttributes.end(); I != E; ++I) {
@@ -875,21 +860,12 @@ void IntrinsicEmitter::EmitIntrinsicToBuiltinMap(
   OS << "// in as TargetPrefix.  The result is assigned to 'IntrinsicID'.\n";
   OS << "#ifdef GET_LLVM_INTRINSIC_FOR_" << CompilerName << "_BUILTIN\n";
 
-  if (TargetOnly) {
-    OS << "static " << TargetPrefix << "Intrinsic::ID "
-       << "getIntrinsicFor" << CompilerName << "Builtin(const char "
-       << "*TargetPrefixStr, StringRef BuiltinNameStr) {\n";
-  } else {
-    OS << "Intrinsic::ID Intrinsic::getIntrinsicFor" << CompilerName
-       << "Builtin(const char "
-       << "*TargetPrefixStr, StringRef BuiltinNameStr) {\n";
-  }
+  OS << "Intrinsic::ID Intrinsic::getIntrinsicFor" << CompilerName
+     << "Builtin(const char "
+     << "*TargetPrefixStr, StringRef BuiltinNameStr) {\n";
 
   if (Table.Empty()) {
-    OS << "  return ";
-    if (!TargetPrefix.empty())
-      OS << "(" << TargetPrefix << "Intrinsic::ID)";
-    OS << "Intrinsic::not_intrinsic;\n";
+    OS << "  return Intrinsic::not_intrinsic;\n";
     OS << "}\n";
     OS << "#endif\n\n";
     return;
@@ -937,19 +913,15 @@ void IntrinsicEmitter::EmitIntrinsicToBuiltinMap(
     OS << "  }\n";
   }
   OS << "  return ";
-  if (!TargetPrefix.empty())
-    OS << "(" << TargetPrefix << "Intrinsic::ID)";
   OS << "Intrinsic::not_intrinsic;\n";
   OS << "}\n";
   OS << "#endif\n\n";
 }
 
-void llvm::EmitIntrinsicEnums(RecordKeeper &RK, raw_ostream &OS,
-                              bool TargetOnly) {
-  IntrinsicEmitter(RK, TargetOnly).run(OS, /*Enums=*/true);
+void llvm::EmitIntrinsicEnums(RecordKeeper &RK, raw_ostream &OS) {
+  IntrinsicEmitter(RK).run(OS, /*Enums=*/true);
 }
 
-void llvm::EmitIntrinsicImpl(RecordKeeper &RK, raw_ostream &OS,
-                             bool TargetOnly) {
-  IntrinsicEmitter(RK, TargetOnly).run(OS, /*Enums=*/false);
+void llvm::EmitIntrinsicImpl(RecordKeeper &RK, raw_ostream &OS) {
+  IntrinsicEmitter(RK).run(OS, /*Enums=*/false);
 }

utils/TableGen/TableGen.cpp

@@ -40,8 +40,6 @@ enum ActionType {
   GenSubtarget,
   GenIntrinsicEnums,
   GenIntrinsicImpl,
-  GenTgtIntrinsicEnums,
-  GenTgtIntrinsicImpl,
   PrintEnums,
   PrintSets,
   GenOptParserDefs,
@@ -102,10 +100,6 @@ cl::opt<ActionType> Action(
                    "Generate intrinsic enums"),
         clEnumValN(GenIntrinsicImpl, "gen-intrinsic-impl",
                    "Generate intrinsic information"),
-        clEnumValN(GenTgtIntrinsicEnums, "gen-tgt-intrinsic-enums",
-                   "Generate target intrinsic enums"),
-        clEnumValN(GenTgtIntrinsicImpl, "gen-tgt-intrinsic-impl",
-                   "Generate target intrinsic information"),
         clEnumValN(PrintEnums, "print-enums", "Print enum values for a class"),
         clEnumValN(PrintSets, "print-sets",
                    "Print expanded sets for testing DAG exprs"),
@@ -196,12 +190,6 @@ bool LLVMTableGenMain(raw_ostream &OS, RecordKeeper &Records) {
   case GenIntrinsicImpl:
     EmitIntrinsicImpl(Records, OS);
     break;
-  case GenTgtIntrinsicEnums:
-    EmitIntrinsicEnums(Records, OS, true);
-    break;
-  case GenTgtIntrinsicImpl:
-    EmitIntrinsicImpl(Records, OS, true);
-    break;
   case GenOptParserDefs:
     EmitOptParser(Records, OS);
     break;

utils/TableGen/TableGenBackends.h

@@ -61,10 +61,8 @@ namespace llvm {
 class raw_ostream;
 class RecordKeeper;
 
-void EmitIntrinsicEnums(RecordKeeper &RK, raw_ostream &OS,
-                        bool TargetOnly = false);
-void EmitIntrinsicImpl(RecordKeeper &RK, raw_ostream &OS,
-                       bool TargetOnly = false);
+void EmitIntrinsicEnums(RecordKeeper &RK, raw_ostream &OS);
+void EmitIntrinsicImpl(RecordKeeper &RK, raw_ostream &OS);
 void EmitAsmMatcher(RecordKeeper &RK, raw_ostream &OS);
 void EmitAsmWriter(RecordKeeper &RK, raw_ostream &OS);
 void EmitCallingConv(RecordKeeper &RK, raw_ostream &OS);