[clang] [CIR] Initial implementation of lowering CIR to MLIR (PR #127835)

[Aaron Ballman via cfe-commits]

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@@ -90,6 +92,15 @@ class CIRGenConsumer : public clang::ASTConsumer {
         MlirModule->print(*OutputStream, Flags);
       }
       break;
+    case CIRGenAction::OutputType::EmitMLIR: {
+      auto LoweredMlirModule = lowerFromCIRToMLIR(MlirModule, MlirCtx);
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AaronBallman wrote:

Please spell out the type.

https://github.com/llvm/llvm-project/pull/127835