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cleanup space generation logic and make it more robust for union constructs
[libfirm]
/
ir
/
opt
/
cfopt.c
diff --git
a/ir/opt/cfopt.c
b/ir/opt/cfopt.c
index
592400d
..
be03bfa
100644
(file)
--- a/
ir/opt/cfopt.c
+++ b/
ir/opt/cfopt.c
@@
-777,7
+777,7
@@
void optimize_cf(ir_graph *irg) {
/* in rare cases a node may be kept alive more than once, use the visited flag to detect this */
inc_irg_visited(irg);
/* in rare cases a node may be kept alive more than once, use the visited flag to detect this */
inc_irg_visited(irg);
- set_using_visited(irg);
+ set_using_
irn_
visited(irg);
/* fix the keep alive */
for (i = j = 0; i < n; i++) {
/* fix the keep alive */
for (i = j = 0; i < n; i++) {
@@
-810,7
+810,7
@@
void optimize_cf(ir_graph *irg) {
env.changed = 1;
}
env.changed = 1;
}
- clear_using_visited(irg);
+ clear_using_
irn_
visited(irg);
if (env.phis_moved) {
/* Bad: when we moved Phi's, we might produce dead Phi nodes
if (env.phis_moved) {
/* Bad: when we moved Phi's, we might produce dead Phi nodes