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| author | Richard Biener <rguenther@suse.de> | 2016-01-15 08:16:08 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2016-01-15 08:16:08 +0000 |
| commit | e93c66bc4509a69092e422047c83fd1ffe9dcbb0 (patch) | |
| tree | 33f5020fb384b207315cae72de2656e7575955d8 /gcc/tree-ssa-sccvn.h | |
| parent | 54e32f9d2fac5e8147c1e266229e838f7b122233 (diff) | |
| download | gcc-e93c66bc4509a69092e422047c83fd1ffe9dcbb0.zip gcc-e93c66bc4509a69092e422047c83fd1ffe9dcbb0.tar.gz gcc-e93c66bc4509a69092e422047c83fd1ffe9dcbb0.tar.bz2 | |
re PR tree-optimization/69117 (wrong code at -O1 -fstrict-aliasing)
2016-01-15 Richard Biener <rguenther@suse.de>
PR tree-optimization/69117
* tree-ssa-sccvn.h (struct vn_ssa_aux): Add info member.
* tree-ssa-sccvn.c (set_ssa_val_to): Save and adjust SSA name info
of the leader conservatively.
(free_scc_vn): Restore original SSA name infos.
* gcc.dg/torture/pr69117.c: New testcase.
From-SVN: r232401
Diffstat (limited to 'gcc/tree-ssa-sccvn.h')
| -rw-r--r-- | gcc/tree-ssa-sccvn.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/tree-ssa-sccvn.h b/gcc/tree-ssa-sccvn.h index 04339ac..d94bc1c 100644 --- a/gcc/tree-ssa-sccvn.h +++ b/gcc/tree-ssa-sccvn.h @@ -169,6 +169,9 @@ typedef struct vn_ssa_aux /* Statements to insert if needs_insertion is true. */ gimple_seq expr; + /* Saved SSA name info. */ + tree_ssa_name::ssa_name_info_type info; + /* Unique identifier that all expressions with the same value have. */ unsigned int value_id; |