We are removing the entry right beforehand, so this can never succeed.
Tested with a shader-db run. No changes in instruction count.
---
src/compiler/glsl/opt_copy_propagation.cpp | 6 ------
1 file changed, 6 deletions(-)
diff --git a/src/compiler/glsl/opt_copy_propagation.cpp
b/src/compiler/glsl/opt_copy_propagation.cpp
index 247c498..faed0b2 100644
--- a/src/compiler/glsl/opt_copy_propagation.cpp
+++ b/src/compiler/glsl/opt_copy_propagation.cpp
@@ -306,20 +306,14 @@ ir_copy_propagation_visitor::kill(ir_variable *var)
/* Remove any entries currently in the ACP for this kill. */
struct hash_entry *entry = _mesa_hash_table_search(acp, var);
if (entry) {
_mesa_hash_table_remove(acp, entry);
}
- hash_table_foreach(acp, entry) {
- if (var == (ir_variable *) entry->data) {
- _mesa_hash_table_remove(acp, entry);
- }
- }
-
/* Add the LHS variable to the list of killed variables in this block.
*/
this->kills->push_tail(new(this->lin_ctx) kill_entry(var));
}
/**
* Adds an entry to the available copy list if it's a plain assignment
--
2.9.3
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