flang/test/Lower/loops.f90

   1 ! RUN: bbc -emit-fir -o - %s | FileCheck %s
   2
   3 ! CHECK-LABEL: loop_test
   4 subroutine loop_test
   5   ! CHECK: %[[VAL_2:.*]] = fir.alloca i16 {bindc_name = "i"}
   6   ! CHECK: %[[VAL_3:.*]] = fir.alloca i16 {bindc_name = "i"}
   7   ! CHECK: %[[VAL_4:.*]] = fir.alloca i16 {bindc_name = "i"}
   8   ! CHECK: %[[VAL_5:.*]] = fir.alloca i8 {bindc_name = "k"}
   9   ! CHECK: %[[VAL_6:.*]] = fir.alloca i8 {bindc_name = "j"}
  10   ! CHECK: %[[VAL_7:.*]] = fir.alloca i8 {bindc_name = "i"}
  11   ! CHECK: %[[VAL_8:.*]] = fir.alloca i32 {bindc_name = "k"}
  12   ! CHECK: %[[VAL_9:.*]] = fir.alloca i32 {bindc_name = "j"}
  13   ! CHECK: %[[VAL_10:.*]] = fir.alloca i32 {bindc_name = "i"}
  14   ! CHECK: %[[VAL_11:.*]] = fir.alloca !fir.array<5x5x5xi32> {bindc_name = "a", uniq_name = "_QFloop_testEa"}
  15   ! CHECK: %[[VAL_12:.*]] = fir.alloca i32 {bindc_name = "asum", uniq_name = "_QFloop_testEasum"}
  16   ! CHECK: %[[VAL_13:.*]] = fir.alloca i32 {bindc_name = "i", uniq_name = "_QFloop_testEi"}
  17   ! CHECK: %[[VAL_14:.*]] = fir.alloca i32 {bindc_name = "j", uniq_name = "_QFloop_testEj"}
  18   ! CHECK: %[[VAL_15:.*]] = fir.alloca i32 {bindc_name = "k", uniq_name = "_QFloop_testEk"}
  19   ! CHECK: %[[VAL_16:.*]] = fir.alloca f32 {bindc_name = "x", uniq_name = "_QFloop_testEx"}
  20   ! CHECK: %[[VAL_17:.*]] = fir.alloca i32 {bindc_name = "xsum", uniq_name = "_QFloop_testExsum"}
  21
  22   integer(4) :: a(5,5,5), i, j, k, asum, xsum
  23
  24   i = 100
  25   j = 200
  26   k = 300
  27
  28   ! CHECK-COUNT-3: fir.do_loop {{.*}} unordered
  29   do concurrent (i=1:5, j=1:5, k=1:5) ! shared(a)
  30     ! CHECK: fir.coordinate_of
  31     a(i,j,k) = 0
  32   enddo
  33   ! CHECK: fir.call @_FortranAioBeginExternalListOutput
  34   print*, 'A:', i, j, k
  35
  36   ! CHECK-COUNT-3: fir.do_loop {{.*}} unordered
  37   ! CHECK: fir.if
  38   do concurrent (integer(1)::i=1:5, j=1:5, k=1:5, i.ne.j .and. k.ne.3) shared(a)
  39     ! CHECK-COUNT-2: fir.coordinate_of
  40     a(i,j,k) = a(i,j,k) + 1
  41   enddo
  42
  43   ! CHECK-COUNT-3: fir.do_loop {{[^un]*}} -> (index, i32)
  44   asum = 0
  45   do i=1,5
  46     do j=1,5
  47       do k=1,5
  48         ! CHECK: fir.coordinate_of
  49         asum = asum + a(i,j,k)
  50       enddo
  51     enddo
  52   enddo
  53   ! CHECK: fir.call @_FortranAioBeginExternalListOutput
  54   print*, 'B:', i, j, k, '-', asum
  55
  56   ! CHECK: fir.do_loop {{.*}} unordered
  57   ! CHECK-COUNT-2: fir.if
  58   do concurrent (integer(2)::i=1:5, i.ne.3)
  59     if (i.eq.2 .or. i.eq.4) goto 5 ! fir.if
  60     ! CHECK: fir.call @_FortranAioBeginExternalListOutput
  61     print*, 'C:', i
  62   5 continue
  63   enddo
  64
  65   ! CHECK: fir.do_loop {{.*}} unordered
  66   ! CHECK-COUNT-2: fir.if
  67   do concurrent (integer(2)::i=1:5, i.ne.3)
  68     if (i.eq.2 .or. i.eq.4) then ! fir.if
  69       goto 6
  70     endif
  71     ! CHECK: fir.call @_FortranAioBeginExternalListOutput
  72     print*, 'D:', i
  73   6 continue
  74   enddo
  75
  76   ! CHECK-NOT: fir.do_loop
  77   ! CHECK-NOT: fir.if
  78   do concurrent (integer(2)::i=1:5, i.ne.3)
  79     goto (7, 7) i+1
  80     ! CHECK: fir.call @_FortranAioBeginExternalListOutput
  81     print*, 'E:', i
  82   7 continue
  83   enddo
  84
  85   xsum = 0.0
  86   ! CHECK-NOT: fir.do_loop
  87   do x = 1.5, 3.5, 0.3
  88     xsum = xsum + 1
  89   enddo
  90   ! CHECK: fir.call @_FortranAioBeginExternalFormattedOutput
  91   print '(" F:",X,F3.1,A,I2)', x, ' -', xsum
  92 end subroutine loop_test
  93
  94 ! CHECK-LABEL: print_nothing
  95 subroutine print_nothing(k1, k2)
  96   if (k1 > 0) then
  97     ! CHECK: br [[header:\^bb[0-9]+]]
  98     ! CHECK: [[header]]
  99     do while (k1 > k2)
 100       print*, k1, k2 ! no output
 101       k2 = k2 + 1
 102       ! CHECK: br [[header]]
 103     end do
 104   end if
 105 end
 106
 107   call loop_test
 108   call print_nothing(2, 2)
 109 end