[all-commits] [llvm/llvm-project] ffb19f: [CIR] Infrastructure: class CIRGenBuilderTy; cache...

[David Olsen via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: ffb19f4018e38ba7ff034b78914d5a8d2890a603
      https://github.com/llvm/llvm-project/commit/ffb19f4018e38ba7ff034b78914d5a8d2890a603
  Author: David Olsen <dolsen at nvidia.com>
  Date:   2024-12-10 (Tue, 10 Dec 2024)

  Changed paths:
    A clang/include/clang/CIR/Dialect/Builder/CIRBaseBuilder.h
    A clang/lib/CIR/CodeGen/CIRGenBuilder.h
    M clang/lib/CIR/CodeGen/CIRGenModule.cpp
    M clang/lib/CIR/CodeGen/CIRGenModule.h
    M clang/lib/CIR/CodeGen/CIRGenTypeCache.h
    M clang/lib/CIR/CodeGen/CIRGenTypes.cpp
    M clang/lib/CIR/CodeGen/CIRGenTypes.h

  Log Message:
  -----------
  [CIR] Infrastructure: class CIRGenBuilderTy; cache CIR types (#119037)

Small infrastructure and background changes to ClangIR.

Create class `CIRGenBuilderTy` and its base class `CIRBaseBuilderTy`.
These are mostly empty for now, except for what is inherited from
`mlir::OpBuilder`. But they will fill up quickly as more ClangIR code
gen is upstreamed. `CIRGenModule` and `CIRGenTypes` are changed to use
`CIRGenBuilderTy`.

Add cached types to struct `CIRGenTypeCache` for the integral types that
are currently supported. Initialize those cached types in the
`CIRGenModule` constructor. The first uses of those types (well, one of
them) is in `CIRGenTypes::convertType`.

Have `CIRGenTypes::convertType` cache its results in a map from
`clang::Type` to `mlir::Type`, saving it from having to convert the same
type again and again.

There are no new tests or changed tests in this commit. There are no
changes to behavior, just improvements to how the existing behavior is
implemented.



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