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

Git repository change summary for qt/clang/llvm
Pushed by mirror-service into branch 'upstream/users/gbossu/lv.revec.poc.3'.
Changed from 8d8efbfaf6cb50cda1bff1932a50703c36044cab to 40338c54ed0cea71df1ba3ea5f37f30cdd570bb3
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 91a6464c039ea4ba99d2be49353805eb8c9005ea by Gaëtan Bossu on 05/08/2026 at 10:00..
Test get(VPV, LaneIdx) for "vector lanes"

This requires a slight adjustment to type asserts in
VPInstruction::execute to be safe for REVEC.
https://invent.kde.org/qt/clang/llvm/-/commit/91a6464c039ea4ba99d2be49353805eb8c9005ea

Git commit 40338c54ed0cea71df1ba3ea5f37f30cdd570bb3 by Gaëtan Bossu on 05/08/2026 at 10:02..
[LV][REVEC] Correctly compute register usage

For REVEC, the initial types might already be vectors, so make sure the
right register class is picked.
https://invent.kde.org/qt/clang/llvm/-/commit/40338c54ed0cea71df1ba3ea5f37f30cdd570bb3