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-rw-r--r--src/compiler/nir/nir_lower_returns.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/src/compiler/nir/nir_lower_returns.c b/src/compiler/nir/nir_lower_returns.c
index 3ea69e25204..9c4881112e3 100644
--- a/src/compiler/nir/nir_lower_returns.c
+++ b/src/compiler/nir/nir_lower_returns.c
@@ -37,6 +37,8 @@ struct lower_returns_state {
* needs to be predicated on the return flag variable.
*/
bool has_predicated_return;
+
+ bool removed_unreachable_code;
};
static bool lower_returns_in_cf_list(struct exec_list *cf_list,
@@ -162,8 +164,9 @@ lower_returns_in_block(nir_block *block, struct lower_returns_state *state)
*/
return false;
} else {
+ state->removed_unreachable_code = true;
nir_cf_delete(&list);
- return true;
+ return false;
}
}
@@ -262,9 +265,11 @@ nir_lower_returns_impl(nir_function_impl *impl)
state.loop = NULL;
state.return_flag = NULL;
state.has_predicated_return = false;
+ state.removed_unreachable_code = false;
nir_builder_init(&state.builder, impl);
bool progress = lower_returns_in_cf_list(&impl->body, &state);
+ progress = progress || state.removed_unreachable_code;
if (progress) {
nir_metadata_preserve(impl, nir_metadata_none);