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-rw-r--r--src/compiler/nir/nir_opt_loop_unroll.c13
1 files changed, 4 insertions, 9 deletions
diff --git a/src/compiler/nir/nir_opt_loop_unroll.c b/src/compiler/nir/nir_opt_loop_unroll.c
index 0ba150f1264..ea2012e292a 100644
--- a/src/compiler/nir/nir_opt_loop_unroll.c
+++ b/src/compiler/nir/nir_opt_loop_unroll.c
@@ -49,6 +49,9 @@
static void
loop_prepare_for_unroll(nir_loop *loop)
{
+ nir_rematerialize_derefs_in_use_blocks_impl(
+ nir_cf_node_get_function(&loop->cf_node));
+
nir_convert_loop_to_lcssa(loop);
/* Lower phis at the top level of the loop body */
@@ -691,17 +694,9 @@ nir_opt_loop_unroll_impl(nir_function_impl *impl,
&has_nested_loop);
}
- if (progress) {
+ if (progress)
nir_lower_regs_to_ssa_impl(impl);
- /* Calling nir_convert_loop_to_lcssa() adds extra phi nodes which may
- * not be valid if they're used for something such as a deref.
- * Remove any unneeded phis.
- */
- nir_copy_prop(impl->function->shader);
- nir_opt_remove_phis_impl(impl);
- }
-
return progress;
}