This commit was manufactured by cvs2svn to create tagapple/gcc-1751

'apple-gcc-1751'.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/tags/apple-gcc-1751@81762 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 59 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.dg/tree-ssa-chrec/ssa-chrec-11.c b/gcc/testsuite/gcc.dg/tree-ssa-chrec/ssa-chrec-11.c
new file mode 100644
index 00000000000..b68b3d5bf1f
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa-chrec/ssa-chrec-11.c
@@ -0,0 +1,59 @@
+/* { dg-do compile } */ 
+/* { dg-options "-O1 -fscalar-evolutions -fdump-tree-scev-details" } */
+
+
+int main(void)
+{
+  int a = -100;
+  int b = 2;
+  
+  int f = 6;
+  int g = 7;
+  int h = 8;
+  
+  /* Exercises complex loop exit conditions.  
+     FIXME:  This is a strange case where the compiler cc1 and the wrapper gcc 
+     don't produce the same representation: 
+
+     (with gcc from command line)
+     
+     T.1_9 = f_2 | a_1;
+     if (T.1_9 == 0)
+       {
+         goto <UL47e0>;
+       }
+    
+     versus (with cc1 called from gdb):
+     
+      if (f_2 == 0)
+        {
+          if (a_1 == 0)
+            {
+              goto <ULc7e0>;
+            }
+          else
+            {
+              (void)0
+            }
+        }
+      else
+        {
+          (void)0
+        };
+  */
+  while (f || a)
+    {
+      a += b;
+      
+      f += g;
+      g += h;
+    }
+}
+
+/* 
+   g  ->  {7, +, 8}_1
+   f  ->  {6, +, {7, +, 8}_1}_1
+   a  ->  {-100, +, 2}_1
+*/
+
+/* FIXME. */