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nir: replace nir_opt_remove_phis_block with a single source version

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This is what callers actually want, and it simplifies nir_opt_remove_phis
because we can assume dominance meta data is valid.

Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/31031>
This commit is contained in:
Georg Lehmann
2024-09-06 14:01:30 +02:00
committed by Marge Bot
parent a4cbc903a8
commit a9f8089240
5 changed files with 26 additions and 9 deletions
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src/amd/compiler/aco_instruction_selection_setup.cpp
+1 -1
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@@ -88,7 +88,7 @@ sanitize_if(nir_function_impl* impl, nir_if* nif)
* or dead control-flow passes and are perfectly legal. Run a quick phi
* removal on the block after the if to clean up any such phis.
*/
nir_opt_remove_phis_block(nir_cf_node_as_block(nir_cf_node_next(&nif->cf_node)));
nir_remove_single_src_phis_block(nir_cf_node_as_block(nir_cf_node_next(&nif->cf_node)));
/* Finally, move the continue from branch after the if-statement. */
nir_block* last_continue_from_blk = then_jump ? else_block : then_block;