1 files changed, 30 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/vect/pr60510.f b/gcc/testsuite/gfortran.dg/vect/pr60510.f
new file mode 100644
index 00000000000..5e2c085d761
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/vect/pr60510.f
@@ -0,0 +1,30 @@
+! { dg-do run }
+! { dg-require-effective-target vect_double }
+! { dg-additional-options "-fno-inline -ffast-math" }
+      subroutine foo(a,x,y,n)
+      implicit none
+      integer n,i
+
+      real*8 y(n),x(n),a
+
+      do i=1,n
+         a=a+x(i)*y(i)+x(i)
+      enddo
+
+      return
+      end
+
+      program test
+      real*8 x(1024),y(1024),a
+      do i=1,1024
+        x(i) = i
+        y(i) = i+1
+      enddo
+      call foo(a,x,y,1024)
+      if (a.ne.359488000.0) call abort()
+      end
+! If there's no longer a reduction chain detected this doesn't test what
+! it was supposed to test, vectorizing a reduction chain w/o SLP.
+! { dg-final { scan-tree-dump "reduction chain" "vect" } }
+! We should vectorize the reduction in foo and the induction in test.
+! { dg-final { scan-tree-dump-times "vectorized 1 loops" 2 "vect" } }