This fixes a typo in the condition guarding the cleanup of the
visited flag of costed scalar stmts.
2021-08-31 Richard Biener <rguenther@suse.de>
PR tree-optimization/102142
* tree-vect-slp.c (vect_bb_vectorization_profitable_p): Fix
condition under which to unset the visited flag.
* g++.dg/torture/pr102142.C: New testcase.
--- /dev/null
+/* { dg-do compile } */
+
+extern short arr_597[];
+extern bool arr_601[];
+int test_var_13;
+void test(short arr_391[][9][2][2]) {
+ for (int i_60 = 0; i_60 < 11; i_60 += test_var_13)
+ arr_597[22] = arr_601[i_60] = arr_391[0][0][1][4];
+}
/* Unset visited flag. This is delayed when the subgraph is profitable
and we process the loop for remaining unvectorized if-converted code. */
- if (orig_loop && !profitable)
+ if (!orig_loop || !profitable)
FOR_EACH_VEC_ELT (scalar_costs, i, cost)
gimple_set_visited (cost->stmt_info->stmt, false);