[clang] [CIR] Add framework for CIR to LLVM IR lowering (PR #124650)

[Aaron Ballman via cfe-commits]

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@@ -55,6 +55,9 @@ class CIRGenerator : public clang::ASTConsumer {
   void Initialize(clang::ASTContext &astContext) override;
   bool HandleTopLevelDecl(clang::DeclGroupRef group) override;
   mlir::ModuleOp getModule() const;
+  std::shared_ptr<mlir::MLIRContext> getContext() {
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AaronBallman wrote:

Should this be a `const` member function?

https://github.com/llvm/llvm-project/pull/124650