[PATCH] D69500: [X86] NFC: Convert LLVM command-line flag to target attribute

[David Zarzycki via Phabricator via llvm-commits]

davezarzycki added a comment.

In D69500#1728752 <https://reviews.llvm.org/D69500#1728752>, @craig.topper wrote:

> A brief google search suggests Swift has a -Xllvm option to reach the llvm command line parser or did at one time.


Here you go: https://forums.swift.org/t/micro-architectural-tuning/28269/3

Quote: "-Xllvm flags are compiled out of Release builds, since they impact startup time."


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D69500/new/

https://reviews.llvm.org/D69500