diff options
| author | dalej <dalej@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-03-19 18:26:09 +0000 |
|---|---|---|
| committer | dalej <dalej@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-03-19 18:26:09 +0000 |
| commit | 9c71707fdbacdeed1ee186b2f314916076ddf30b (patch) | |
| tree | 69971f2bae971e4bed77d883b0a26df125148a84 | |
| parent | 91b1dbff5077303b9d7cd09381544d1f55efdb35 (diff) | |
2003-03-19 Dale Johannesen <dalej@apple.com>
* tree-ssa-dse.c (dse_optimize_stmt): Redirect uses feeding into
a deleted store correctly.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/tree-ssa-20020619-branch@79694 138bc75d-0d04-0410-961f-82ee72b054a4
| -rw-r--r-- | gcc/ChangeLog.tree-ssa | 5 | ||||
| -rw-r--r-- | gcc/tree-ssa-dse.c | 5 |
2 files changed, 8 insertions, 2 deletions
diff --git a/gcc/ChangeLog.tree-ssa b/gcc/ChangeLog.tree-ssa index 2f6f7fb3a0f..b3fee0543ba 100644 --- a/gcc/ChangeLog.tree-ssa +++ b/gcc/ChangeLog.tree-ssa @@ -1,3 +1,8 @@ +2003-03-19 Dale Johannesen <dalej@apple.com> + + * tree-ssa-dse.c (dse_optimize_stmt): Redirect uses feeding into + a deleted store correctly. + 2003-03-19 Jeff Law <law@redhat.com> * tree-dfa.c (find_hidden_use_vars): Also look inside the diff --git a/gcc/tree-ssa-dse.c b/gcc/tree-ssa-dse.c index 68bdfe9ae58..fca08ac6519 100644 --- a/gcc/tree-ssa-dse.c +++ b/gcc/tree-ssa-dse.c @@ -310,8 +310,9 @@ dse_optimize_stmt (struct dom_walk_data *walk_data, } /* Any immediate uses which reference STMT need to instead - reference USE. This allows us to cascade dead stores. */ - redirect_immediate_uses (stmt, use); + reference the new consumer, either SKIPPED_PHI or USE. + This allows us to cascade dead stores. */ + redirect_immediate_uses (stmt, skipped_phi ? skipped_phi : use); /* Finally remove the dead store. */ bsi_remove (&bsi); |