2013-08-30 Richard Biener <rguenther@suse.de>
PR tree-optimization/58010
* tree-vect-loop.c (vect_create_epilog_for_reduction): Remove
assert that we have a loop-closed PHI.
* gcc.dg/pr58010.c: New testcase.
From-SVN: r202095
+2013-08-30 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/58010
+ * tree-vect-loop.c (vect_create_epilog_for_reduction): Remove
+ assert that we have a loop-closed PHI.
+
2013-08-29 Jan Hubicka <jh@suse.cz>
* lto-symtab.c (lto_cgraph_replace_node): Free decl_in_state.
+2013-08-30 Richard Biener <rguenther@suse.de>
+
+ PR tree-optimization/58010
+ * gcc.dg/pr58010.c: New testcase.
+
2013-08-29 Xinliang DavidLi <davidxl@google.com>
* gcc.dg/unroll_3.c: Message change.
--- /dev/null
+/* { dg-do compile } */
+/* { dg-options "-O2 -funswitch-loops -ftree-vectorize" } */
+
+short a, b, c, d;
+
+void f(void)
+{
+ short e;
+
+ for(; e; e++)
+ for(; b; b++);
+
+ for(d = 0; d < 4; d++)
+ a ^= (e ^= 1) || c ? : e;
+}
if (!flow_bb_inside_loop_p (loop, gimple_bb (USE_STMT (use_p))))
phis.safe_push (USE_STMT (use_p));
- /* We expect to have found an exit_phi because of loop-closed-ssa
- form. */
- gcc_assert (!phis.is_empty ());
+ /* While we expect to have found an exit_phi because of loop-closed-ssa
+ form we can end up without one if the scalar cycle is dead. */
FOR_EACH_VEC_ELT (phis, i, exit_phi)
{