[all-commits] [llvm/llvm-project] 5c9285: [clang] Store size & mtime in in-memory module cac...

[Jan Svoboda via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 5c928535c0ae18f37e47faa9bb265ea75f1700c4
      https://github.com/llvm/llvm-project/commit/5c928535c0ae18f37e47faa9bb265ea75f1700c4
  Author: Jan Svoboda <jan_svoboda at apple.com>
  Date:   2026-04-15 (Wed, 15 Apr 2026)

  Changed paths:
    M clang/include/clang/Serialization/InMemoryModuleCache.h
    M clang/include/clang/Serialization/ModuleCache.h
    M clang/include/clang/Serialization/ModuleManager.h
    M clang/lib/DependencyScanning/InProcessModuleCache.cpp
    M clang/lib/Frontend/CompilerInstance.cpp
    M clang/lib/Serialization/ASTReader.cpp
    M clang/lib/Serialization/InMemoryModuleCache.cpp
    M clang/lib/Serialization/ModuleCache.cpp
    M clang/lib/Serialization/ModuleManager.cpp
    M clang/unittests/Serialization/InMemoryModuleCacheTest.cpp

  Log Message:
  -----------
  [clang] Store size & mtime in in-memory module cache (#190207)

In this PR, the in-memory module cache now stores the size and
modification time of PCM files. This is needed so that the
`ModuleManager` doesn't need to consult the file system to obtain this
information, which _might_ be in a different state than when we stored
the PCM file buffer into the in-memory cache.



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