[all-commits] [llvm/llvm-project] 84d75c: [AArch64] Make compiling arm_neon.h faster (#226378)

[Nico Weber via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 84d75c8ab6eb610cde0048458f96085f923fc392
      https://github.com/llvm/llvm-project/commit/84d75c8ab6eb610cde0048458f96085f923fc392
  Author: Nico Weber <thakis at chromium.org>
  Date:   2026-09-25 (Fri, 25 Sep 2026)

  Changed paths:
    M llvm/lib/TargetParser/AArch64TargetParser.cpp

  Log Message:
  -----------
  [AArch64] Make compiling arm_neon.h faster (#226378)

Replace two linear scans with map lookups.

On my system, reduces time to compile a TU that does nothing but
`#include <arm_neon.h>` from 92.0 ms ± 1.4 ms to 70.9 ms ± 1.3 ms.

No behavior change.



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