[all-commits] [llvm/llvm-project] d0ad2c: [clang] Reuse driver option strings in CompilerInv...

[David Zbarsky via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: d0ad2c694caf05793b243b0b3a8425c5ef78abdf
      https://github.com/llvm/llvm-project/commit/d0ad2c694caf05793b243b0b3a8425c5ef78abdf
  Author: David Zbarsky <dzbarsky at gmail.com>
  Date:   2026-07-13 (Mon, 13 Jul 2026)

  Changed paths:
    M clang/lib/Frontend/CompilerInvocation.cpp

  Log Message:
  -----------
  [clang] Reuse driver option strings in CompilerInvocation (#202632)

CompilerInvocation emits a second copy of clang/Options/Options.inc with
OPTTABLE_STR_TABLE_CODE only to implement lookupStrInTable(). The driver
OptTable already owns the identical string table.

On an arm64 Release build, fully stripped standalone clang shrinks from
94,570,224 to 94,537,216 bytes, saving 33,008 bytes (0.035%).

Work towards #202616

AI tool disclosure: Co-authored with OpenAI Codex.



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