The following fixes if-conversion failing to release data-references
and the data-reference vector.
Bootstrapped on x86_64-unknown-linux-gnu, testing in progress.
* tree-if-conv.cc (tree_if_conversion): Properly manage
memory of refs and the contained data references.
---
gcc/tree-if-conv.cc | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/gcc/tree-if-conv.cc b/gcc/tree-if-conv.cc
index 0e384e36394..f133102ad33 100644
--- a/gcc/tree-if-conv.cc
+++ b/gcc/tree-if-conv.cc
@@ -3534,7 +3534,7 @@ tree_if_conversion (class loop *loop, vec<gimple *>
*preds)
auto_vec <gassign *, 4> writes_to_lower;
bitmap exit_bbs;
edge pe;
- vec<data_reference_p> refs;
+ auto_vec<data_reference_p, 10> refs;
again:
rloop = NULL;
@@ -3544,7 +3544,6 @@ tree_if_conversion (class loop *loop, vec<gimple *>
*preds)
need_to_predicate = false;
need_to_rewrite_undefined = false;
any_complicated_phi = false;
- refs.create (5);
/* Apply more aggressive if-conversion when loop or its outer loop were
marked with simd pragma. When that's the case, we try to if-convert
@@ -3701,8 +3700,10 @@ tree_if_conversion (class loop *loop, vec<gimple *>
*preds)
data_reference_p dr;
unsigned int i;
for (i = 0; refs.iterate (i, &dr); i++)
- free (dr->aux);
-
+ {
+ free (dr->aux);
+ free_data_ref (dr);
+ }
refs.truncate (0);
if (ifc_bbs)
--
2.35.3
