[qt/clang/llvm]: Summary of bulk changes made

Git repository change summary for qt/clang/llvm
Pushed by mirror-service into branch 'upstream/users/arsenm/clang/amdgpu-accept-subarch-triples-no-cpu'.
Changed from 0000000000000000000000000000000000000000 to 0cfc6e994403cbd62a552a90ad59d99c74f47950
Acknowledgement was received that this change introduces only existing code that has been pushed to another public open source repository.

This change contains the following new commits:

Git commit 21fb4bdd1e761021920790699efbfa56aaf081e2 by GitHub (on behalf of Nikhil Kotikalapudi) on 23/07/2026 at 05:31..
[M68k][CodeGen] pipeline failure fix (#211458)

Fixing pipeline mismatch on M68k (experimental target, failure shouldnt
have been reported).
Triggered upon merge of this PR:
https://github.com/llvm/llvm-project/pull/210826

Failure here:
https://lab.llvm.org/buildbot/#/builders/27/builds/2162/steps/5/logs/FAIL__LLVM__pipeline_ll
https://invent.kde.org/qt/clang/llvm/-/commit/21fb4bdd1e761021920790699efbfa56aaf081e2

Git commit 0cfc6e994403cbd62a552a90ad59d99c74f47950 by Matt Arsenault on 23/07/2026 at 06:19..
clang/AMDGPU: Fix handling of subarch only targets with no -mcpu

Extracted this out of the main clang triple conversion patches. This
should be applied to the release branch so you get consistent behavior
if you do build with subarch triples.
https://invent.kde.org/qt/clang/llvm/-/commit/0cfc6e994403cbd62a552a90ad59d99c74f47950