[PATCH] Convert a test to GIMPLE

[Marek Polacek <polacek at redhat dot com>]

In the process of dealing with PR68513, it turned out this test should have
been written with GIMPLE in mind.

Tested on x86_64-linux, ok for trunk?  Maybe we'll want this even for 5, I
don't know yet.

2015-11-27  Marek Polacek  <polacek@redhat.com>

	* gcc.dg/pr63568.c: Convert to GIMPLE.

diff --git gcc/testsuite/gcc.dg/pr63568.c gcc/testsuite/gcc.dg/pr63568.c
index c6b88e7..5c688b0 100644
--- gcc/testsuite/gcc.dg/pr63568.c
+++ gcc/testsuite/gcc.dg/pr63568.c
@@ -1,53 +1,69 @@
 /* PR middle-end/63568 */
 /* { dg-do compile } */
-/* { dg-options "-fdump-tree-original" } */
+/* { dg-options "-O -fdump-tree-cddce1" } */
 
 int
 fn1 (int a, int b, int m)
 {
-  return (a & ~m) | (b & m);
+  int tem1 = a & ~m;
+  int tem2 = b & m;
+  return tem1 | tem2;
 }
 
 int
 fn2 (int a, int b, int m)
 {
-  return (a & ~m) | (m & b);
+  int tem1 = a & ~m;
+  int tem2 = m & b;
+  return tem1 | tem2;
 }
 
 int
 fn3 (int a, int b, int m)
 {
-  return (~m & a) | (m & b);
+  int tem1 = ~m & a;
+  int tem2 = m & b;
+  return tem1 | tem2;
 }
 
 int
 fn4 (int a, int b, int m)
 {
-  return (~m & a) | (b & m);
+  int tem1 = ~m & a;
+  int tem2 = b & m;
+  return tem1 | tem2;
 }
 
 int
 fn5 (int a, int b, int m)
 {
-  return (b & m) | (a & ~m);
+  int tem1 = b & m;
+  int tem2 = a & ~m;
+  return tem1 | tem2;
 }
 
 int
 fn6 (int a, int b, int m)
 {
-  return (m & b) | (a & ~m);
+  int tem1 = m & b;
+  int tem2 = a & ~m;
+  return tem1 | tem2;
 }
 
 int
 fn7 (int a, int b, int m)
 {
-  return (m & b) | (~m & a);
+  int tem1 = m & b;
+  int tem2 = ~m & a;
+  return tem1 | tem2;
 }
 
 int
 fn8 (int a, int b, int m)
 {
-  return (b & m) | (~m & a);
+  int tem1 = b & m;
+  int tem2 = ~m & a;
+  return tem1 | tem2;
 }
 
-/* { dg-final { scan-tree-dump-not " \\| " "original" } } */
+/* { dg-final { scan-tree-dump-not " \\| " "cddce1" } } */

	Marek