1 files changed, 22 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/graphite/block-2.f b/gcc/testsuite/gfortran.dg/graphite/block-2.f
new file mode 100644
index 0000000..af966ec
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/graphite/block-2.f
@@ -0,0 +1,22 @@
+! { dg-options "-O2 -floop-block -fdump-tree-graphite-all" } 
+
+      SUBROUTINE MATRIX_MUL_UNROLLED (A, B, C, L, M, N)
+      DIMENSION A(L,M), B(M,N), C(L,N)
+
+      DO 100 K = 1, N
+        DO 100 I = 1, L
+          C(I,K) = 0.
+100     CONTINUE
+      DO 110 J = 1, M, 4
+        DO 110 K = 1, N
+          DO 110 I = 1, L
+            C(I,K) = C(I,K) + A(I,J) * B(J,K)
+     $             + A(I,J+1) * B(J+1,K) + A(I,J+2) * B(J+2,K)
+     $             + A(I,J+3) * B(J+3,K)
+110   CONTINUE
+
+      RETURN
+      END
+
+! { dg-final { scan-tree-dump-times "Loop blocked" 3 "graphite" { xfail { "*-*-*" } } } } 
+! { dg-final { cleanup-tree-dump "graphite" } }