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| author | rth <rth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-07-08 16:16:41 +0000 |
|---|---|---|
| committer | rth <rth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2004-07-08 16:16:41 +0000 |
| commit | e37235f0737c6d605e0d795c9251a40ceffd09f2 (patch) | |
| tree | 200138df775b12823401ef7db79aecec6a2142da /gcc/tree-ssa-dse.c | |
| parent | c6a73f83115c4b0bb92241805cad4f69f646a14e (diff) | |
| download | gcc-e37235f0737c6d605e0d795c9251a40ceffd09f2.tar.gz | |
* tree-cfg.c (make_exit_edges): Use get_call_expr_in.
(remove_useless_stmts_1, is_ctrl_altering_stmt): Likewise.
(tree_block_ends_with_call_p, need_fake_edge_p): Likewise.
* tree-eh.c (lower_eh_constructs_1): Likewise.
* tree-sra.c (sra_walk_modify_expr): Likewise.
* tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
(eliminate_unnecessary_stmts): Likewise.
* tree-ssa-dse.c (dse_optimize_stmt): Likewise.
* tree-tailcall.c (optimize_tail_call): Likewise.
* tree-ssa-ccp.c (get_rhs, set_rhs): Reorg to use switch.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@84298 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-ssa-dse.c')
| -rw-r--r-- | gcc/tree-ssa-dse.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/gcc/tree-ssa-dse.c b/gcc/tree-ssa-dse.c index ce286948056..efc7d7fbef4 100644 --- a/gcc/tree-ssa-dse.c +++ b/gcc/tree-ssa-dse.c @@ -244,10 +244,11 @@ dse_optimize_stmt (struct dom_walk_data *walk_data, if (NUM_V_MAY_DEFS (v_may_defs) == 0) return; - /* We know we have virtual definitions. If this is a MODIFY_EXPR, then - record it into our table. */ - if (TREE_CODE (stmt) == MODIFY_EXPR - && TREE_CODE (TREE_OPERAND (stmt, 1)) != CALL_EXPR) + /* We know we have virtual definitions. If this is a MODIFY_EXPR that's + not also a function call, then record it into our table. */ + if (get_call_expr_in (stmt)) + return; + if (TREE_CODE (stmt) == MODIFY_EXPR) { dataflow_t df = get_immediate_uses (stmt); unsigned int num_uses = num_immediate_uses (df); |