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3 Commits

Author SHA1 Message Date
Jay Foad
349544d7ab
[CodeGen] Fix handling dead redefs in finalizeBundle (#157427) 
A dead redefinition should override any earlier non-dead definition
inside a bundle.

Also remove KilledDefSet since it can be folded into DeadDefSet.
 2025-09-10 12:48:12 +01:00
Shoreshen
db96363c0a
[AMDGPU] Avoid put implicit_def into bundle that break reg's liveness (#142563) 
Cause:
1. `implicit_def` inside bundle does not count for define of reg in
machineinst verifier
2. Including `implicit_def` will cause relative reg not define, result
in `Bad machine code: Using an undefined physical register` in the
machineinst verifier

Fixes https://github.com/llvm/llvm-project/issues/139102

---------

Co-authored-by: Matt Arsenault <Matthew.Arsenault@amd.com>
 2025-08-13 10:41:44 +08:00
Jay Foad
756ac65987
[CodeGen] Add a pass for testing finalizeBundle (#149813) 
This allows for unit testing of finalizeBundle with standard MIR tests
using update_mir_test_checks.py.
 2025-07-23 11:35:57 +01:00