1 files changed, 36 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/ldist-1.f90 b/gcc/testsuite/gfortran.dg/ldist-1.f90
new file mode 100644
index 000000000..bbce2f355
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/ldist-1.f90
@@ -0,0 +1,36 @@
+! { dg-do compile }     
+! { dg-options "-O2 -ftree-loop-distribution -fdump-tree-ldist-all" }
+
+Subroutine PADEC(DKS,DKDS,HVAR,WM,WG,FN,NS,AN,BN,CN,IT)
+  IMPLICIT REAL*8 (A-H, O-Z)
+  DIMENSION DKS(*),DKDS(*),HVAR(*)
+  COMPLEX*16 WM(*),WG(*),FN(*),AN(*),BN(*),CN(*)
+  COMPLEX*16 H2,CONST
+  COMMON/STRCH/ALP,BET,DH,ZH,UG,VG,T1,T2,DT,TOL,ALPHA ,HAMP,BUMP
+  Parameter (F1 = .8333333333333333D0, F2 = .0833333333333333D0)
+
+  SS=DT/(2.0D0)
+
+  do J=2,NS
+     BS=SS*DKS(J)*HVAR(J)*HVAR(J)
+     AN(J)=F1+2.*BS
+     BN(J)=F2-BS
+     CN(J)=F2-BS
+     H2=WM(J+1)
+
+     if(J.EQ.NS) then
+        CONST=CN(J)*H2
+     else
+        CONST=(0.D0,0.D0)
+     endif
+     FN(J)=(BS+F2)*(H2)+(F1-2.D0*BS)-CONST
+  end do
+
+  return
+end Subroutine PADEC
+
+! There are 5 legal partitions in this code.  Based on the data
+! locality heuristic, this loop should not be split.
+
+! { dg-final { scan-tree-dump-not "distributed: split to" "ldist" } }
+! { dg-final { cleanup-tree-dump "ldist" } }