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| author | law <law@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-09-15 04:12:18 +0000 |
|---|---|---|
| committer | law <law@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-09-15 04:12:18 +0000 |
| commit | 4e4a0d35e1f59639aee93b6a26e9bd8ea4dca2be (patch) | |
| tree | cf5b9beec3f25e2e51b674da28677528ab57f45a /gcc/tree-ssa-dse.c | |
| parent | 1eff44ec84d9f93fa10713ebd0177d46e1747c1a (diff) | |
| download | ppe42-gcc-4e4a0d35e1f59639aee93b6a26e9bd8ea4dca2be.tar.gz ppe42-gcc-4e4a0d35e1f59639aee93b6a26e9bd8ea4dca2be.zip | |
* tree-dfa.c (free_df_for_stmt): No longer static.
(free_df): Update comments.
* tree-flow.h (free_df_for_stmt): Prototype.
* tree-ssa-dse.c (dse_optimize_stmt): Call free_df_for_stmt. Also
call release_defs.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@87531 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-ssa-dse.c')
| -rw-r--r-- | gcc/tree-ssa-dse.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/gcc/tree-ssa-dse.c b/gcc/tree-ssa-dse.c index 4cc136bf2dd..23487f28b8e 100644 --- a/gcc/tree-ssa-dse.c +++ b/gcc/tree-ssa-dse.c @@ -326,6 +326,14 @@ dse_optimize_stmt (struct dom_walk_data *walk_data, This allows us to cascade dead stores. */ redirect_immediate_uses (stmt, skipped_phi ? skipped_phi : use); + /* Be sure to remove any dataflow information attached to + this statement. */ + free_df_for_stmt (stmt); + + /* And release any SSA_NAMEs set in this statement back to the + SSA_NAME manager. */ + release_defs (stmt); + /* Finally remove the dead store. */ bsi_remove (&bsi); } |
