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-rw-r--r--src/glsl/ir_copy_propagation.cpp7
1 files changed, 4 insertions, 3 deletions
diff --git a/src/glsl/ir_copy_propagation.cpp b/src/glsl/ir_copy_propagation.cpp
index 46ef6679d9f..a02852ed0cc 100644
--- a/src/glsl/ir_copy_propagation.cpp
+++ b/src/glsl/ir_copy_propagation.cpp
@@ -195,9 +195,8 @@ kill_invalidated_copies(ir_assignment *ir, exec_list *acp)
* of a variable to a variable.
*/
static void
-add_copy(ir_assignment *ir, exec_list *acp)
+add_copy(void *ctx, ir_assignment *ir, exec_list *acp)
{
- void *ctx = talloc_parent(ir);
acp_entry *entry;
if (ir->condition) {
@@ -226,6 +225,7 @@ copy_propagation_basic_block(ir_instruction *first,
bool *out_progress = (bool *)data;
bool progress = false;
+ void *ctx = talloc(NULL, void*);
for (ir = first;; ir = (ir_instruction *)ir->next) {
ir_assignment *ir_assign = ir->as_assignment();
@@ -234,12 +234,13 @@ copy_propagation_basic_block(ir_instruction *first,
if (ir_assign) {
kill_invalidated_copies(ir_assign, &acp);
- add_copy(ir_assign, &acp);
+ add_copy(ctx, ir_assign, &acp);
}
if (ir == last)
break;
}
*out_progress = progress;
+ talloc_free(ctx);
}
/**