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

Git repository change summary for qt/clang/llvm
Pushed by mirror-service into branch 'upstream/users/michalpaszkowski/pisa_backend_upstreaming_5'.
Changed from 0000000000000000000000000000000000000000 to 7e3ae4a197f45598c777c0a300669ac2ab57adf9
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 edd96fa656e11e2e1728184cfaa28e49a1f9219a by Michal Paszkowski on 05/08/2026 at 23:19..
Review fixes 2
https://invent.kde.org/qt/clang/llvm/-/commit/edd96fa656e11e2e1728184cfaa28e49a1f9219a

Git commit 72f45d93c13b6951b5f1b8687b2e68609a3f364c by Michal Paszkowski on 06/08/2026 at 00:10..
[PISA] Add PISA GlobalISel lowering, legalization and combiners

Add the PISA GlobalISel lowering path: call lowering, the legalizer rules,
register-bank information and the pre/post-legalization combiners, together
with the machine-function info, frame lowering, and the target-machine
pipeline through register-bank selection.

Adds GlobalISel LIT tests for legalization and the combiners. Instruction
selection is added in the following change.
https://invent.kde.org/qt/clang/llvm/-/commit/72f45d93c13b6951b5f1b8687b2e68609a3f364c

Git commit 136a1d2278bec3b49f4c6685c30abc526a388664 by Michal Paszkowski on 06/08/2026 at 00:39..
Fix buildbot issues
https://invent.kde.org/qt/clang/llvm/-/commit/136a1d2278bec3b49f4c6685c30abc526a388664

Git commit 21fcdd875d39f5f1ed9f37a231b70965e951e83a by Michal Paszkowski on 06/08/2026 at 00:42..
Add PISAInstructionSelector

Add the PISAInstructionSelector, the final Subtarget/TargetMachine
wiring, and selection tests.
https://invent.kde.org/qt/clang/llvm/-/commit/21fcdd875d39f5f1ed9f37a231b70965e951e83a

Git commit 7e3ae4a197f45598c777c0a300669ac2ab57adf9 by Michal Paszkowski on 06/08/2026 at 01:26..
Add getAPFloatFromSize helper
https://invent.kde.org/qt/clang/llvm/-/commit/7e3ae4a197f45598c777c0a300669ac2ab57adf9