gcc/testsuite/gfortran.dg/graphite/pr42393.f90

   1 ! { dg-options "-O2 -fgraphite-identity -fno-loop-block -fno-loop-interchange -fno-loop-strip-mine" }
   2
   3 MODULE beta_gamma_psi
   4   INTEGER, PARAMETER :: dp=KIND(0.0D0)
   5 CONTAINS
   6   FUNCTION basym (a, b, lambda, eps) RESULT(fn_val)
   7     REAL(dp) :: a0(21), b0(21), bsum, c(21), d(21), dsum, &
   8          j0, j1, r, r0, r1, s, sum, t, t0, t1, &
   9          u, w, w0, z, z0, z2, zn, znm1
  10     DO n = 2, num, 2
  11        DO i = n, np1
  12           b0(1) = r*a0(1)
  13           DO m = 2, i
  14              bsum = 0.0e0_dp
  15              mm1 = m - 1
  16              DO j = 1, mm1
  17                 mmj = m - j
  18                 bsum = bsum + (j*r - mmj)*a0(j)*b0(mmj)
  19              END DO
  20              b0(m) = r*a0(m) + bsum/m
  21           END DO
  22           c(i) = b0(i)/(i + 1.0e0_dp)
  23           d(i) = -(dsum + c(i))
  24        END DO
  25        t0 = d(n)*w*j0
  26        sum = sum + (t0 + t1)
  27     END DO
  28     fn_val = e0*t*u*sum
  29   END FUNCTION basym
  30 END MODULE beta_gamma_psi