flang/test/Lower/OpenMP/wsloop.f90

   1 ! This test checks lowering of OpenMP DO Directive (Worksharing).
   2
   3 ! RUN: bbc -fopenmp -emit-hlfir %s -o - | FileCheck %s
   4
   5 !CHECK-LABEL: func @_QPsimple_loop()
   6 subroutine simple_loop
   7   integer :: i
   8   ! CHECK:  omp.parallel
   9   !$OMP PARALLEL
  10   ! CHECK:      %[[ALLOCA_IV:.*]] = fir.alloca i32 {{{.*}}, pinned, {{.*}}}
  11   ! CHECK:      %[[IV_DECL:.*]]:2 = hlfir.declare %[[ALLOCA_IV]] {uniq_name = "_QFsimple_loopEi"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
  12   ! CHECK:      %[[WS_LB:.*]] = arith.constant 1 : i32
  13   ! CHECK:      %[[WS_UB:.*]] = arith.constant 9 : i32
  14   ! CHECK:      %[[WS_STEP:.*]] = arith.constant 1 : i32
  15   ! CHECK:      omp.wsloop {
  16   ! CHECK-NEXT:   omp.loop_nest (%[[I:.*]]) : i32 = (%[[WS_LB]]) to (%[[WS_UB]]) inclusive step (%[[WS_STEP]]) {
  17   !$OMP DO
  18   do i=1, 9
  19   ! CHECK:          fir.store %[[I]] to %[[IV_DECL:.*]]#1 : !fir.ref<i32>
  20   ! CHECK:          %[[LOAD_IV:.*]] = fir.load %[[IV_DECL]]#0 : !fir.ref<i32>
  21   ! CHECK:          fir.call @_FortranAioOutputInteger32({{.*}}, %[[LOAD_IV]]) {{.*}}: (!fir.ref<i8>, i32) -> i1
  22     print*, i
  23   end do
  24   ! CHECK:          omp.yield
  25   !$OMP END DO
  26   ! CHECK:      omp.terminator
  27   !$OMP END PARALLEL
  28 end subroutine
  29
  30 !CHECK-LABEL: func @_QPsimple_loop_with_step()
  31 subroutine simple_loop_with_step
  32   integer :: i
  33   ! CHECK:  omp.parallel
  34   !$OMP PARALLEL
  35   ! CHECK:      %[[ALLOCA_IV:.*]] = fir.alloca i32 {{{.*}}, pinned, {{.*}}}
  36   ! CHECK:      %[[IV_DECL:.*]]:2 = hlfir.declare %[[ALLOCA_IV]] {uniq_name = "_QFsimple_loop_with_stepEi"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
  37   ! CHECK:      %[[WS_LB:.*]] = arith.constant 1 : i32
  38   ! CHECK:      %[[WS_UB:.*]] = arith.constant 9 : i32
  39   ! CHECK:      %[[WS_STEP:.*]] = arith.constant 2 : i32
  40   ! CHECK:      omp.wsloop {
  41   ! CHECK-NEXT:   omp.loop_nest (%[[I:.*]]) : i32 = (%[[WS_LB]]) to (%[[WS_UB]]) inclusive step (%[[WS_STEP]]) {
  42   ! CHECK:          fir.store %[[I]] to %[[IV_DECL]]#1 : !fir.ref<i32>
  43   ! CHECK:          %[[LOAD_IV:.*]] = fir.load %[[IV_DECL]]#0 : !fir.ref<i32>
  44   !$OMP DO
  45   do i=1, 9, 2
  46   ! CHECK:          fir.call @_FortranAioOutputInteger32({{.*}}, %[[LOAD_IV]]) {{.*}}: (!fir.ref<i8>, i32) -> i1
  47     print*, i
  48   end do
  49   ! CHECK:          omp.yield
  50   !$OMP END DO
  51   ! CHECK:      omp.terminator
  52   !$OMP END PARALLEL
  53 end subroutine
  54
  55 !CHECK-LABEL: func @_QPloop_with_schedule_nowait()
  56 subroutine loop_with_schedule_nowait
  57   integer :: i
  58   ! CHECK:  omp.parallel
  59   !$OMP PARALLEL
  60   ! CHECK:      %[[ALLOCA_IV:.*]] = fir.alloca i32 {{{.*}}, pinned, {{.*}}}
  61   ! CHECK:      %[[IV_DECL:.*]]:2 = hlfir.declare %[[ALLOCA_IV]] {uniq_name = "_QFloop_with_schedule_nowaitEi"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
  62   ! CHECK:      %[[WS_LB:.*]] = arith.constant 1 : i32
  63   ! CHECK:      %[[WS_UB:.*]] = arith.constant 9 : i32
  64   ! CHECK:      %[[WS_STEP:.*]] = arith.constant 1 : i32
  65   ! CHECK:      omp.wsloop nowait schedule(runtime) {
  66   ! CHECK-NEXT:   omp.loop_nest (%[[I:.*]]) : i32 = (%[[WS_LB]]) to (%[[WS_UB]]) inclusive step (%[[WS_STEP]]) {
  67   !$OMP DO SCHEDULE(runtime)
  68   do i=1, 9
  69   ! CHECK:          fir.store %[[I]] to %[[IV_DECL]]#1 : !fir.ref<i32>
  70   ! CHECK:          %[[LOAD_IV:.*]] = fir.load %[[IV_DECL]]#0 : !fir.ref<i32>
  71   ! CHECK:          fir.call @_FortranAioOutputInteger32({{.*}}, %[[LOAD_IV]]) {{.*}}: (!fir.ref<i8>, i32) -> i1
  72     print*, i
  73   end do
  74   ! CHECK:          omp.yield
  75   !$OMP END DO NOWAIT
  76   ! CHECK:      omp.terminator
  77   !$OMP END PARALLEL
  78 end subroutine