CIR → AST Relation

File in include/clang/CIR	Includes file in include/clang/AST
Dialect / Builder / CIRBaseBuilder.h	CharUnits.h
CIRGenerator.h	ASTConsumer.h
Interfaces / CIROpInterfaces.h	Attr.h
Interfaces / CIROpInterfaces.h	DeclTemplate.h
Interfaces / CIROpInterfaces.h	Mangle.h