re PR tree-optimization/68145 (ICE: in vectorizable_store, at tree-vect-stmts.c:5684)

gcc/

	PR tree-optimization/68145
	* tree-vect-stmts.c (vectorizable_operation): Fix
	determination for booleans.

gcc/testsuite/

	PR tree-optimization/68145
	* g++.dg/vect/pr68145.cc: New test.

From-SVN: r229848

gcc/ChangeLog

+2015-11-06  Ilya Enkovich  <enkovich.gnu@gmail.com>
+
+	PR tree-optimization/68145
+	* tree-vect-stmts.c (vectorizable_operation): Fix
+	determination for booleans.
+
 2015-11-06  Tom de Vries  <tom@codesourcery.com>
 
 	* tree-cfg.c (gimple_split_block_before_cond_jump): Split before

gcc/testsuite/ChangeLog

+2015-11-06  Ilya Enkovich  <enkovich.gnu@gmail.com>
+
+	PR tree-optimization/68145
+	* g++.dg/vect/pr68145.cc: New test.
+
 2015-11-06  Kyrylo Tkachov  <kyrylo.tkachov@arm.com>
 
 	PR target/68088

gcc/testsuite/g++.dg/vect/pr68145.cc

+/* { dg-do compile } */
+
+struct A {
+  bool operator()(int p1, int p2) { return p1 && p2; }
+};
+class B {
+public:
+  bool *cbegin();
+  bool *cend();
+};
+template <class T> void operator&&(B p1, T p2) {
+  B a;
+  arrayContTransform(p1, p2, a, A());
+}
+
+template <typename _InputIterator1, typename T, typename _OutputIterator,
+          typename _BinaryOperation>
+void myrtransform(_InputIterator1 p1, _OutputIterator p2, T p3,
+                  _BinaryOperation p4) {
+  _InputIterator1 b;
+  for (; b != p1; ++b, ++p2)
+    *p2 = p4(*b, p3);
+}
+
+template <typename L, typename R, typename RES, typename BinaryOperator>
+void arrayContTransform(L p1, R p2, RES p3, BinaryOperator p4) {
+  myrtransform(p1.cend(), p3.cbegin(), p2, p4);
+}
+
+class C {
+public:
+  B getArrayBool();
+};
+class D {
+  B getArrayBool(const int &);
+  C lnode_p;
+};
+bool c;
+B D::getArrayBool(const int &) { lnode_p.getArrayBool() && c; }
+
+// { dg-final { scan-tree-dump "vectorized 1 loops" "vect" { target { i?86-*-* x86_64-*-* } } } }

gcc/tree-vect-stmts.c

@@ -4703,7 +4703,26 @@ vectorizable_operation (gimple *stmt, gimple_stmt_iterator *gsi,
   /* If op0 is an external or constant def use a vector type with
      the same size as the output vector type.  */
   if (!vectype)
+    {
+      /* For boolean type we cannot determine vectype by
+	 invariant value (don't know whether it is a vector
+	 of booleans or vector of integers).  We use output
+	 vectype because operations on boolean don't change
+	 type.  */
+      if (TREE_CODE (TREE_TYPE (op0)) == BOOLEAN_TYPE)
+	{
+	  if (TREE_CODE (TREE_TYPE (scalar_dest)) != BOOLEAN_TYPE)
+	    {
+	      if (dump_enabled_p ())
+		dump_printf_loc (MSG_MISSED_OPTIMIZATION, vect_location,
+				 "not supported operation on bool value.\n");
+	      return false;
+	    }
+	  vectype = vectype_out;
+	}
+      else
 	vectype = get_same_sized_vectype (TREE_TYPE (op0), vectype_out);
+    }
   if (vec_stmt)
     gcc_assert (vectype);
   if (!vectype)