1 files changed, 35 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa-chrec/ssa-chrec-32.c b/gcc/testsuite/gcc.dg/tree-ssa-chrec/ssa-chrec-32.c
new file mode 100644
index 00000000000..784caef3270
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa-chrec/ssa-chrec-32.c
@@ -0,0 +1,35 @@
+/* { dg-do compile } */ 
+/* { dg-options "-O1 -fscalar-evolutions -fdump-tree-scev-details -fall-data-deps -fdump-tree-ddall" } */
+
+void bar (short);
+
+#define N 100
+#define NPad 10
+#define M 32
+void foo()
+{
+  short coef[M];
+  short input[N];
+  short output[N];
+  
+  int i,j,k;                              
+  int sum;  
+  
+  for (i = 0; i < N; i++) {
+    sum = 0;
+    for (j = 0; j < M; j++) {
+      sum += input[i+NPad-j] * coef[j];
+    }
+    output[i] = sum;
+  }
+  bar (sum);
+}
+
+/* The following evolution functions have to be detected:
+   
+   i  ->  {0, +, 1}_1
+   j  ->  {0, +, 1}_2
+   
+*/
+
+/* { dg-final { diff-tree-dumps "ddall" } } */