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

Git repository change summary for qt/clang/llvm-project
Pushed by mirror-service into branch 'upstream/users/lukel97/mask.beforefirst-costmodel'.
Changed from 0000000000000000000000000000000000000000 to 15fd3873b5d687405053981a0ef05ddb8d124640
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 bc2497b5279529e3602e01afc7bb94b362fcfced by Luke Lau on 15/06/2026 at 11:39..
[IR][RFC] Add @llvm.mask.beforefirst intrinsic
https://invent.kde.org/qt/clang/llvm-project/-/commit/bc2497b5279529e3602e01afc7bb94b362fcfced

Git commit f3057cc91bd24d196fc604908adfba5c29a012e8 by Luke Lau on 15/06/2026 at 13:34..
Fix LangRef.rst build
https://invent.kde.org/qt/clang/llvm-project/-/commit/f3057cc91bd24d196fc604908adfba5c29a012e8

Git commit 5bfaaba428b1e234e1badda1b0e07a2f099e65d0 by Luke Lau on 16/06/2026 at 08:07..
Don't legalize op, promote op during result legalization
https://invent.kde.org/qt/clang/llvm-project/-/commit/5bfaaba428b1e234e1badda1b0e07a2f099e65d0

Git commit f1a75a03ea222cb1f0cf18ad88451b8b48756825 by Luke Lau on 16/06/2026 at 09:36..
Fix tablegen indentation
https://invent.kde.org/qt/clang/llvm-project/-/commit/f1a75a03ea222cb1f0cf18ad88451b8b48756825

Git commit fcced5a33f5a35339b012c1fafe3def82d816f65 by Luke Lau on 16/06/2026 at 09:42..
Add widening legalization
https://invent.kde.org/qt/clang/llvm-project/-/commit/fcced5a33f5a35339b012c1fafe3def82d816f65

Git commit 646e953e83f8ce42d0ed914c6897776a9051b697 by Luke Lau on 16/06/2026 at 10:06..
Add splitting legalization
https://invent.kde.org/qt/clang/llvm-project/-/commit/646e953e83f8ce42d0ed914c6897776a9051b697

Git commit 59fa5b2e108e1966e97286d83ba6534731eb89fd by Luke Lau on 17/06/2026 at 12:52..
Fix all-ones typo -> all-zeros
https://invent.kde.org/qt/clang/llvm-project/-/commit/59fa5b2e108e1966e97286d83ba6534731eb89fd

Git commit 4e6ff7608fbe1d81960f0f1b9bf18014627f3756 by GitHub (on behalf of Luke Lau) on 22/06/2026 at 16:55..
Merge branch 'main' into mask.prefix.beforefirst
https://invent.kde.org/qt/clang/llvm-project/-/commit/4e6ff7608fbe1d81960f0f1b9bf18014627f3756

Git commit 69df4c7abd0c6c3197d550688881257fc2cfdc5d by Luke Lau on 19/07/2026 at 06:15..
Merge branch 'main' of github.com:llvm/llvm-project into mask.prefix.beforefirst
https://invent.kde.org/qt/clang/llvm-project/-/commit/69df4c7abd0c6c3197d550688881257fc2cfdc5d

Git commit 4668e853ac6f0777632485f23d002805ff538f4a by Luke Lau on 19/07/2026 at 07:40..
Update sve test
https://invent.kde.org/qt/clang/llvm-project/-/commit/4668e853ac6f0777632485f23d002805ff538f4a

Git commit 89bc56512f11802729de59024486140fb9398874 by Luke Lau on 19/07/2026 at 15:41..
Fix split legalization
https://invent.kde.org/qt/clang/llvm-project/-/commit/89bc56512f11802729de59024486140fb9398874

Git commit 4e139c3e8eef073b79c049fce2d5100157fabc3f by Luke Lau on 20/07/2026 at 12:26..
Expand to get_active_lane_mask if possible

This gives us the good SVE fixed-length lowering in optimizeBrk
https://invent.kde.org/qt/clang/llvm-project/-/commit/4e139c3e8eef073b79c049fce2d5100157fabc3f

Git commit a45e4f690e3fd4856aa400d2ec2ad51d86ad1dea by Luke Lau on 20/07/2026 at 14:31..
Precommit tests
https://invent.kde.org/qt/clang/llvm-project/-/commit/a45e4f690e3fd4856aa400d2ec2ad51d86ad1dea

Git commit 15fd3873b5d687405053981a0ef05ddb8d124640 by Luke Lau on 20/07/2026 at 15:58..
[TTI] Add cost for llvm.mask.beforefirst
https://invent.kde.org/qt/clang/llvm-project/-/commit/15fd3873b5d687405053981a0ef05ddb8d124640