[all-commits] [llvm/llvm-project] 16ab08: [clang][fat-lto-objects] Make module flags match n...

[Paul Kirth via All-commits]

  Branch: refs/heads/release/18.x
  Home:   https://github.com/llvm/llvm-project
  Commit: 16ab0812d2010dad76f87d4d50da8e79e0e75e71
      https://github.com/llvm/llvm-project/commit/16ab0812d2010dad76f87d4d50da8e79e0e75e71
  Author: Paul Kirth <paulkirth at google.com>
  Date:   2024-03-11 (Mon, 11 Mar 2024)

  Changed paths:
    M clang/lib/CodeGen/BackendUtil.cpp
    M clang/test/CodeGen/fat-lto-objects.c

  Log Message:
  -----------
  [clang][fat-lto-objects] Make module flags match non-FatLTO pipelines (#83159)

In addition to being rather hard to follow, there isn't a good reason
why FatLTO shouldn't just share the same code for setting module flags
for (Thin)LTO. This patch simplifies the logic and makes sure we use set
these flags in a consistent way, independent of FatLTO.

Additionally, we now test that output in the .llvm.lto section actually
matches the output from Full and Thin LTO compilation.

(cherry picked from commit 7d8b50aaab8e0f935e3cb1f3f397e98b9e3ee241)



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