2016-02-01 Richard Biener <rguenther@suse.de>
PR tree-optimization/69579
* tree-ssa-loop-ivcanon.c (propagate_constants_for_unrolling):
Do not propagate through abnormal PHI results.
* gcc.dg/setjmp-6.c: New testcase.
From-SVN: r233036
+2016-02-01 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/69579
+ * tree-ssa-loop-ivcanon.c (propagate_constants_for_unrolling):
+ Do not propagate through abnormal PHI results.
+
2016-02-01 Eric Botcazou <ebotcazou@adacore.com>
* postreload.c (reload_cse_simplify): Remove dead code.
+2016-02-01 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/69579
+ * gcc.dg/setjmp-6.c: New testcase.
+
2016-02-01 Jakub Jelinek <jakub@redhat.com>
PR rtl-optimization/69570
--- /dev/null
+/* PR69569 */
+/* { dg-do compile } */
+/* { dg-options "-O3" } */
+
+#include <setjmp.h>
+
+jmp_buf buf;
+
+struct str {
+ int Count;
+};
+int fun2(struct str *p1)
+{
+ int i = 1;
+ while (1) {
+ setjmp(buf);
+ break;
+ }
+ for (; i;) {
+ i = 0;
+ for (; i < (p1 ? p1->Count : 1); i++)
+ fun2(p1);
+ }
+ return 1;
+}
tree result = gimple_phi_result (phi);
tree arg = gimple_phi_arg_def (phi, 0);
- if (gimple_phi_num_args (phi) == 1 && TREE_CODE (arg) == INTEGER_CST)
+ if (! SSA_NAME_OCCURS_IN_ABNORMAL_PHI (result)
+ && gimple_phi_num_args (phi) == 1
+ && TREE_CODE (arg) == INTEGER_CST)
{
propagate_into_all_uses (result, arg);
gsi_remove (&gsi, true);