vendor/llvm-project/llvmorg-11-init-20887-g2e10b7a39b9vendor/llvm-project/master

1 files changed, 29 insertions, 95 deletions

diff --git a/llvm/utils/TableGen/Attributes.cpp b/llvm/utils/TableGen/Attributes.cpp
index 6fbc595d73002..f3f875e8ce0b9 100644
--- a/llvm/utils/TableGen/Attributes.cpp
+++ b/llvm/utils/TableGen/Attributes.cpp
@@ -23,51 +23,41 @@ public:
   void emit(raw_ostream &OS);
 
 private:
-  void emitTargetIndependentEnums(raw_ostream &OS);
-  void emitConversionFn(raw_ostream &OS);
+  void emitTargetIndependentNames(raw_ostream &OS);
   void emitFnAttrCompatCheck(raw_ostream &OS, bool IsStringAttr);
 
-  void printEnumAttrClasses(raw_ostream &OS,
-                            const std::vector<Record *> &Records);
-  void printStrBoolAttrClasses(raw_ostream &OS,
-                               const std::vector<Record *> &Records);
-
   RecordKeeper &Records;
 };
 
 } // End anonymous namespace.
 
-void Attributes::emitTargetIndependentEnums(raw_ostream &OS) {
-  OS << "#ifdef GET_ATTR_ENUM\n";
-  OS << "#undef GET_ATTR_ENUM\n";
-
-  std::vector<Record*> Attrs =
-      Records.getAllDerivedDefinitions("EnumAttr");
-
-  for (auto A : Attrs)
-    OS << A->getName() << ",\n";
-
-  OS << "#endif\n";
-}
-
-void Attributes::emitConversionFn(raw_ostream &OS) {
-  OS << "#ifdef GET_ATTR_KIND_FROM_NAME\n";
-  OS << "#undef GET_ATTR_KIND_FROM_NAME\n";
-
-  std::vector<Record*> Attrs =
-      Records.getAllDerivedDefinitions("EnumAttr");
-
-  OS << "static Attribute::AttrKind getAttrKindFromName(StringRef AttrName) {\n";
-  OS << "  return StringSwitch<Attribute::AttrKind>(AttrName)\n";
-
-  for (auto A : Attrs) {
-    OS << "    .Case(\"" << A->getValueAsString("AttrString");
-    OS << "\", Attribute::" << A->getName() << ")\n";
-  }
-
-  OS << "    .Default(Attribute::None);\n";
-  OS << "}\n\n";
-
+void Attributes::emitTargetIndependentNames(raw_ostream &OS) {
+  OS << "#ifdef GET_ATTR_NAMES\n";
+  OS << "#undef GET_ATTR_NAMES\n";
+
+  OS << "#ifndef ATTRIBUTE_ALL\n";
+  OS << "#define ATTRIBUTE_ALL(FIRST, SECOND)\n";
+  OS << "#endif\n\n";
+
+  auto Emit = [&](ArrayRef<StringRef> KindNames, StringRef MacroName) {
+    OS << "#ifndef " << MacroName << "\n";
+    OS << "#define " << MacroName
+       << "(FIRST, SECOND) ATTRIBUTE_ALL(FIRST, SECOND)\n";
+    OS << "#endif\n\n";
+    for (StringRef KindName : KindNames) {
+      for (auto A : Records.getAllDerivedDefinitions(KindName)) {
+        OS << MacroName << "(" << A->getName() << ","
+           << A->getValueAsString("AttrString") << ")\n";
+      }
+    }
+    OS << "#undef " << MacroName << "\n\n";
+  };
+
+  // Emit attribute enums in the same order llvm::Attribute::operator< expects.
+  Emit({"EnumAttr", "TypeAttr", "IntAttr"}, "ATTRIBUTE_ENUM");
+  Emit({"StrBoolAttr"}, "ATTRIBUTE_STRBOOL");
+
+  OS << "#undef ATTRIBUTE_ALL\n";
   OS << "#endif\n";
 }
 
@@ -75,35 +65,6 @@ void Attributes::emitFnAttrCompatCheck(raw_ostream &OS, bool IsStringAttr) {
   OS << "#ifdef GET_ATTR_COMPAT_FUNC\n";
   OS << "#undef GET_ATTR_COMPAT_FUNC\n";
 
-  OS << "struct EnumAttr {\n";
-  OS << "  static bool isSet(const Function &Fn,\n";
-  OS << "                    Attribute::AttrKind Kind) {\n";
-  OS << "    return Fn.hasFnAttribute(Kind);\n";
-  OS << "  }\n\n";
-  OS << "  static void set(Function &Fn,\n";
-  OS << "                  Attribute::AttrKind Kind, bool Val) {\n";
-  OS << "    if (Val)\n";
-  OS << "      Fn.addFnAttr(Kind);\n";
-  OS << "    else\n";
-  OS << "      Fn.removeFnAttr(Kind);\n";
-  OS << "  }\n";
-  OS << "};\n\n";
-
-  OS << "struct StrBoolAttr {\n";
-  OS << "  static bool isSet(const Function &Fn,\n";
-  OS << "                    StringRef Kind) {\n";
-  OS << "    auto A = Fn.getFnAttribute(Kind);\n";
-  OS << "    return A.getValueAsString().equals(\"true\");\n";
-  OS << "  }\n\n";
-  OS << "  static void set(Function &Fn,\n";
-  OS << "                  StringRef Kind, bool Val) {\n";
-  OS << "    Fn.addFnAttr(Kind, Val ? \"true\" : \"false\");\n";
-  OS << "  }\n";
-  OS << "};\n\n";
-
-  printEnumAttrClasses(OS ,Records.getAllDerivedDefinitions("EnumAttr"));
-  printStrBoolAttrClasses(OS , Records.getAllDerivedDefinitions("StrBoolAttr"));
-
   OS << "static inline bool hasCompatibleFnAttrs(const Function &Caller,\n"
      << "                                        const Function &Callee) {\n";
   OS << "  bool Ret = true;\n\n";
@@ -135,35 +96,8 @@ void Attributes::emitFnAttrCompatCheck(raw_ostream &OS, bool IsStringAttr) {
   OS << "#endif\n";
 }
 
-void Attributes::printEnumAttrClasses(raw_ostream &OS,
-                                      const std::vector<Record *> &Records) {
-  OS << "// EnumAttr classes\n";
-  for (const auto *R : Records) {
-    OS << "struct " << R->getName() << "Attr : EnumAttr {\n";
-    OS << "  static enum Attribute::AttrKind getKind() {\n";
-    OS << "    return llvm::Attribute::" << R->getName() << ";\n";
-    OS << "  }\n";
-    OS << "};\n";
-  }
-  OS << "\n";
-}
-
-void Attributes::printStrBoolAttrClasses(raw_ostream &OS,
-                                         const std::vector<Record *> &Records) {
-  OS << "// StrBoolAttr classes\n";
-  for (const auto *R : Records) {
-    OS << "struct " << R->getName() << "Attr : StrBoolAttr {\n";
-    OS << "  static StringRef getKind() {\n";
-    OS << "    return \"" << R->getValueAsString("AttrString") << "\";\n";
-    OS << "  }\n";
-    OS << "};\n";
-  }
-  OS << "\n";
-}
-
 void Attributes::emit(raw_ostream &OS) {
-  emitTargetIndependentEnums(OS);
-  emitConversionFn(OS);
+  emitTargetIndependentNames(OS);
   emitFnAttrCompatCheck(OS, false);
 }