[CIR] Add missing Language::CIR cases (#1349)

Author: xlauko

clang/lib/Basic/LangStandards.cpp

@@ -23,6 +23,8 @@ StringRef clang::languageToString(Language L) {
     return "LLVM IR";
   case Language::C:
     return "C";
+  case Language::CIR:
+    return "CIR";
   case Language::CXX:
     return "C++";
   case Language::ObjC:
@@ -91,6 +93,7 @@ LangStandard::Kind clang::getDefaultLanguageStandard(clang::Language Lang,
   switch (Lang) {
   case Language::Unknown:
   case Language::LLVM_IR:
+  case Language::CIR:
     llvm_unreachable("Invalid input kind!");
   case Language::OpenCL:
     return LangStandard::lang_opencl12;

clang/lib/ExtractAPI/Serialization/SymbolGraphSerializer.cpp

@@ -220,6 +220,7 @@ StringRef getLanguageName(Language Lang) {
   case Language::Unknown:
   case Language::Asm:
   case Language::LLVM_IR:
+  case Language::CIR:
     llvm_unreachable("Unsupported language kind");
   }
 

clang/lib/Frontend/CompilerInvocation.cpp

@@ -2970,6 +2970,9 @@ static void GenerateFrontendArgs(const FrontendOptions &Opts,
     case Language::HLSL:
       Lang = "hlsl";
       break;
+    case Language::CIR:
+      Lang = "cir";
+      break;
     }
 
     GenerateArg(Consumer, OPT_x,
@@ -3619,6 +3622,7 @@ static bool IsInputCompatibleWithStandard(InputKind IK,
   switch (IK.getLanguage()) {
   case Language::Unknown:
   case Language::LLVM_IR:
+  case Language::CIR:
     llvm_unreachable("should not parse language flags for this input");
 
   case Language::C:
@@ -3681,6 +3685,8 @@ static StringRef GetInputKindName(InputKind IK) {
     return "Asm";
   case Language::LLVM_IR:
     return "LLVM IR";
+  case Language::CIR:
+    return "CIR";
 
   case Language::HLSL:
     return "HLSL";

clang/lib/Frontend/FrontendActions.cpp

@@ -1111,6 +1111,7 @@ void PrintPreambleAction::ExecuteAction() {
   case Language::Unknown:
   case Language::Asm:
   case Language::LLVM_IR:
+  case Language::CIR:
     // We can't do anything with these.
     return;
   }