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-rw-r--r--ir_basic_block.cpp29
1 files changed, 18 insertions, 11 deletions
diff --git a/ir_basic_block.cpp b/ir_basic_block.cpp
index 455398e499..2cf3704605 100644
--- a/ir_basic_block.cpp
+++ b/ir_basic_block.cpp
@@ -30,17 +30,25 @@
#include <stdio.h>
#include "ir.h"
#include "ir_visitor.h"
-#include "ir_visit_tree.h"
#include "ir_basic_block.h"
#include "glsl_types.h"
-static void
-has_call_callback(ir_instruction *ir, void *data)
-{
- bool *has_call = (bool *)data;
+class ir_has_call_visitor : public ir_hierarchical_visitor {
+public:
+ ir_has_call_visitor()
+ {
+ has_call = false;
+ }
- *has_call = *has_call || ir->as_call();
-}
+ virtual ir_visitor_status visit_enter(ir_call *ir)
+ {
+ (void) ir;
+ has_call = true;
+ return visit_stop;
+ }
+
+ bool has_call;
+};
/**
* Calls a user function for every basic block in the instruction stream.
@@ -108,7 +116,7 @@ void call_for_basic_blocks(exec_list *instructions,
call_for_basic_blocks(&ir_sig->body, callback, data);
}
} else if (ir->as_assignment()) {
- bool has_call = false;
+ ir_has_call_visitor v;
/* If there's a call in the expression tree being assigned,
* then that ends the BB too.
@@ -123,9 +131,8 @@ void call_for_basic_blocks(exec_list *instructions,
* expression flattener may be useful before using the basic
* block finder to get more maximal basic blocks out.
*/
- ir_visit_tree(ir, has_call_callback, &has_call);
-
- if (has_call) {
+ ir->accept(&v);
+ if (v.has_call) {
callback(leader, ir, data);
leader = NULL;
}