1 files changed, 86 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/execute/compare-3.c b/gcc/testsuite/gcc.c-torture/execute/compare-3.c
new file mode 100644
index 000000000..6549c904b
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/execute/compare-3.c
@@ -0,0 +1,86 @@
+/* Copyright (C) 2002 Free Software Foundation.
+
+   Test for composite comparison always true/false optimization.
+
+   Written by Roger Sayle, 7th June 2002.  */
+
+extern void link_error0 ();
+extern void link_error1 ();
+
+void
+test1 (int x, int y)
+{
+  if ((x==y) && (x!=y))
+    link_error0();
+}
+
+void
+test2 (int x, int y)
+{
+  if ((x<y) && (x>y))
+    link_error0();
+}
+
+void
+test3 (int x, int y)
+{
+  if ((x<y) && (y<x))
+    link_error0();
+}
+
+void 
+test4 (int x, int y)
+{
+  if ((x==y) || (x!=y))
+    {
+    }
+  else
+    link_error1 ();
+}
+
+void
+test5 (int x, int y)
+{
+  if ((x>=y) || (x<y))
+    {
+    }
+  else
+    link_error1 ();
+}
+
+void
+test6 (int x, int y)
+{
+  if ((x<=y) || (y<x))
+    {
+    }
+  else
+    link_error1 ();
+}
+
+void
+all_tests (int x, int y)
+{
+  test1 (x, y);
+  test2 (x, y);
+  test3 (x, y);
+  test4 (x, y);
+  test5 (x, y);
+  test6 (x, y);
+}
+
+int
+main ()
+{
+  all_tests (0, 0);
+  all_tests (1, 2);
+  all_tests (4, 3);
+
+  return 0;
+}
+
+#ifndef __OPTIMIZE__
+void link_error0() {}
+void link_error1() {}
+#endif /* ! __OPTIMIZE__ */
+