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| author | Richard Biener <rguenther@suse.de> | 2023-02-23 11:05:47 +0100 |
|---|---|---|
| committer | Richard Biener <rguenther@suse.de> | 2023-02-23 13:51:57 +0100 |
| commit | af46073dbe83d88e2d93d967da447346b22c70bb (patch) | |
| tree | c50d735b1951dc9c7ac3a1d03297a1c90f15ff4b | |
| parent | 31cc5821223a096ef61743bff520f4a0dbba5872 (diff) | |
| download | gcc-af46073dbe83d88e2d93d967da447346b22c70bb.zip gcc-af46073dbe83d88e2d93d967da447346b22c70bb.tar.gz gcc-af46073dbe83d88e2d93d967da447346b22c70bb.tar.bz2 | |
Fix memory leak in if-conversion
The following fixes if-conversion failing to release data-references
and the data-reference vector.
* tree-if-conv.cc (tree_if_conversion): Properly manage
memory of refs and the contained data references.
| -rw-r--r-- | gcc/tree-if-conv.cc | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/gcc/tree-if-conv.cc b/gcc/tree-if-conv.cc index 0e384e3..f133102 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) |