[all-commits] [llvm/llvm-project] da2ad4: [HeaderSearch] Introduce LazyIdentifierInfoPtr for...

[Chuanqi Xu via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: da2ad44119edf13eb944f7e685469352aa840e63
      https://github.com/llvm/llvm-project/commit/da2ad44119edf13eb944f7e685469352aa840e63
  Author: Chuanqi Xu <yedeng.yd at linux.alibaba.com>
  Date:   2024-06-20 (Thu, 20 Jun 2024)

  Changed paths:
    M clang/include/clang/Lex/ExternalPreprocessorSource.h
    M clang/include/clang/Lex/HeaderSearch.h
    M clang/lib/Lex/HeaderSearch.cpp
    M clang/lib/Serialization/ASTReader.cpp
    M clang/lib/Serialization/ASTWriter.cpp

  Log Message:
  -----------
  [HeaderSearch] Introduce LazyIdentifierInfoPtr for Controlling Macro in HeaderFileInfo

This patch is helpful to reduce 32 bits for HeaderFileInfo by combining
a uint32_t and pointer into a tagged pointer.

This is reviewed as part of
https://github.com/llvm/llvm-project/pull/92085 and required to be split
as a separate commit



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