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(parent: d035908) | patch
agx: Don't reuse ssa_to_reg across blocks
authorAlyssa Rosenzweig <alyssa@rosenzweig.io>
Tue, 1 Aug 2023 13:16:27 +0000 (09:16 -0400)
committerMarge Bot <emma+marge@anholt.net>
Fri, 11 Aug 2023 20:31:28 +0000 (20:31 +0000)
commitae440c99292caaefde73655b98463d98591d06c9
tree647e44cdaf07952b3afc62445e4d7690b5e1d134tree | snapshot
parentd035908550fc4d57a56cf2c7a3cbcf5f39896fedcommit | diff
agx: Don't reuse ssa_to_reg across blocks

This avoids an entire class of bugs with live range splitting. Fixes with
AGX_MESA_DEBUG=demand:

   dEQP-GLES31.functional.separate_shader.random.8

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24635>
src/asahi/compiler/agx_register_allocate.c diff | blob | history
Domain: Graphics System / GL;