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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 4cc136b..23487f2 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); } |