[clang] [CIR] Infrastructure: class CIRGenBuilderTy; cache CIR types (PR #119037)

[David Olsen via cfe-commits]

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@@ -0,0 +1,25 @@
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_LIB_CIRBASEBUILDER_H
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dkolsen-pgi wrote:

I copied the include guard macro names from the same files in the ClangIR incubator and didn't give them any thought.  I'll fix these.  Now that I know what the pattern should be, I'll pay attention to those in future changes.

https://github.com/llvm/llvm-project/pull/119037