re PR tree-optimization/70005 (wrong code at -O2 and -O3 on x86_64-linux-gnu)

	PR tree-optimization/70005
	* tree-ssa-uncprop.c (associate_equivalences_with_edges): Handle case
	where an object with a boolean range is compared against a value
	outside [0..1].

	PR tree-optimization/70005
	* gcc.c-torture/execute/pr70005.c New test.

From-SVN: r233829

gcc/ChangeLog

 2016-02-28  Jeff Law  <law@redhat.com>
 
+	PR tree-optimization/70005
+	* tree-ssa-uncprop.c (associate_equivalences_with_edges): Handle case
+	where an object with a boolean range is compared against a value
+	outside [0..1].
+
 	PR tree-optimization/69999
 	* gimple-ssa-split-paths.c (split_paths): When duplicating a block
 	with an outgoing edge marked with EDGE_IRREDUCIBLE_LOOP, schedule

gcc/testsuite/ChangeLog

 2016-02-29  Jeff Law  <law@redhat.com>
 
+	PR tree-optimization/70005
+	* gcc.c-torture/execute/pr70005.c New test.
+
 	PR tree-optimization/69999
 	* gcc.c-torture/compile/pr69999.c: New test.
 

gcc/testsuite/gcc.c-torture/execute/pr70005.c

+
+unsigned char a = 6;
+int b, c;
+
+static void
+fn1 ()
+{
+  int i = a > 1 ? 1 : a, j = 6 & (c = a && (b = a));
+  int d = 0, e = a, f = ~c, g = b || a;
+  unsigned char h = ~a;
+  if (a)
+    f = j;
+  if (h && g)
+    d = a;
+  i = -~(f * d * h) + c && (e || i) ^ f;
+  if (i != 1) 
+    __builtin_abort (); 
+}
+
+int
+main ()
+{
+  fn1 ();
+  return 0; 
+}

gcc/tree-ssa-uncprop.c

@@ -95,7 +95,8 @@ associate_equivalences_with_edges (void)
 	      if (TREE_CODE (op0) == SSA_NAME
 		  && !SSA_NAME_OCCURS_IN_ABNORMAL_PHI (op0)
 		  && ssa_name_has_boolean_range (op0)
-		  && is_gimple_min_invariant (op1))
+		  && is_gimple_min_invariant (op1)
+		  && (integer_zerop (op1) || integer_onep (op1)))
 		{
 		  tree true_val = constant_boolean_node (true, TREE_TYPE (op0));
 		  tree false_val = constant_boolean_node (false,