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Model (un)reachable block info with bottom/top, not false/true.
author
Christoph Mallon
<christoph.mallon@gmx.de>
Wed, 4 May 2011 10:42:05 +0000
(12:42 +0200)
committer
Christoph Mallon
<christoph.mallon@gmx.de>
Wed, 4 May 2011 13:46:06 +0000
(15:46 +0200)
ir/opt/fp-vrp.c
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diff --git
a/ir/opt/fp-vrp.c
b/ir/opt/fp-vrp.c
index
dd3d0cf
..
f5d5edb
100644
(file)
--- a/
ir/opt/fp-vrp.c
+++ b/
ir/opt/fp-vrp.c
@@
-169,9
+169,9
@@
static int transfer(ir_node* const irn)
DB((dbg, LEVEL_3, "transfer %+F\n", irn));
- if (b->z == f
&& b->o == f
) {
+ if (b->z == f) {
z = f;
- o =
f
;
+ o =
t
;
} else switch (get_irn_opcode(irn)) {
case iro_Proj: {
ir_node* const pred = get_Proj_pred(irn);
@@
-249,8
+249,13
@@
result_unknown_X:
irn == get_irg_end_block(irg);
}
- o = f;
- z = reachable ? t : f;
+ if (reachable) {
+ z = t;
+ o = f;
+ } else {
+ z = f;
+ o = t;
+ }
} else if (mode_is_intb(m)) {
DB((dbg, LEVEL_3, "transfer %+F\n", irn));
switch (get_irn_opcode(irn)) {