xref: /llvm-project/flang/test/Lower/OpenMP/wsloop-chunks.f90 (revision 937cbce14c9aa956342a9c818c26a8a557802843)
1! This test checks that chunk size is passed correctly when lowering of
2! OpenMP DO Directive(Worksharing) with chunk size
3
4! RUN: bbc -fopenmp -emit-hlfir %s -o - | FileCheck %s
5
6program wsloop
7        integer :: i
8        integer :: chunk
9
10! CHECK-LABEL: func.func @_QQmain() attributes {fir.bindc_name = "wsloop"} {
11! CHECK:         %[[CHUNK_REF:.*]] = fir.alloca i32 {bindc_name = "chunk", uniq_name = "_QFEchunk"}
12! CHECK:         %[[VAL_0:.*]]:2 = hlfir.declare %[[CHUNK_REF]] {uniq_name = "_QFEchunk"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
13
14!$OMP DO SCHEDULE(static, 4)
15
16do i=1, 9
17  print*, i
18
19! CHECK:         %[[VAL_2:.*]] = arith.constant 4 : i32
20! CHECK:         %[[VAL_3:.*]] = arith.constant 1 : i32
21! CHECK:         %[[VAL_4:.*]] = arith.constant 9 : i32
22! CHECK:         %[[VAL_5:.*]] = arith.constant 1 : i32
23! CHECK:         omp.wsloop nowait schedule(static = %[[VAL_2]] : i32) {
24! CHECK-NEXT:      omp.loop_nest (%[[ARG0:.*]]) : i32 = (%[[VAL_3]]) to (%[[VAL_4]]) inclusive step (%[[VAL_5]]) {
25! CHECK:             fir.store %[[ARG0]] to %[[STORE_IV:.*]]#1 : !fir.ref<i32>
26! CHECK:             %[[LOAD_IV:.*]] = fir.load %[[STORE_IV]]#0 : !fir.ref<i32>
27! CHECK:             {{.*}} = fir.call @_FortranAioOutputInteger32({{.*}}, %[[LOAD_IV]]) {{.*}}: (!fir.ref<i8>, i32) -> i1
28! CHECK:             omp.yield
29! CHECK:           }
30! CHECK:         }
31
32end do
33!$OMP END DO NOWAIT
34!$OMP DO SCHEDULE(static, 2+2)
35
36do i=1, 9
37  print*, i*2
38
39! CHECK:         %[[VAL_14:.*]] = arith.constant 4 : i32
40! CHECK:         %[[VAL_15:.*]] = arith.constant 1 : i32
41! CHECK:         %[[VAL_16:.*]] = arith.constant 9 : i32
42! CHECK:         %[[VAL_17:.*]] = arith.constant 1 : i32
43! CHECK:         omp.wsloop nowait schedule(static = %[[VAL_14]] : i32) {
44! CHECK-NEXT:      omp.loop_nest (%[[ARG1:.*]]) : i32 = (%[[VAL_15]]) to (%[[VAL_16]]) inclusive step (%[[VAL_17]]) {
45! CHECK:             fir.store %[[ARG1]] to %[[STORE_IV1:.*]]#1 : !fir.ref<i32>
46! CHECK:             %[[VAL_24:.*]] = arith.constant 2 : i32
47! CHECK:             %[[LOAD_IV1:.*]] = fir.load %[[STORE_IV1]]#0 : !fir.ref<i32>
48! CHECK:             %[[VAL_25:.*]] = arith.muli %[[VAL_24]], %[[LOAD_IV1]] : i32
49! CHECK:             {{.*}} = fir.call @_FortranAioOutputInteger32({{.*}}, %[[VAL_25]]) {{.*}}: (!fir.ref<i8>, i32) -> i1
50! CHECK:             omp.yield
51! CHECK:           }
52! CHECK:         }
53
54end do
55!$OMP END DO NOWAIT
56chunk = 6
57!$OMP DO SCHEDULE(static, chunk)
58
59do i=1, 9
60   print*, i*3
61end do
62!$OMP END DO NOWAIT
63! CHECK:         %[[VAL_28:.*]] = arith.constant 6 : i32
64! CHECK:         hlfir.assign %[[VAL_28]] to %[[VAL_0]]#0 : i32, !fir.ref<i32>
65! CHECK:         %[[VAL_29:.*]] = fir.load %[[VAL_0]]#0 : !fir.ref<i32>
66! CHECK:         %[[VAL_30:.*]] = arith.constant 1 : i32
67! CHECK:         %[[VAL_31:.*]] = arith.constant 9 : i32
68! CHECK:         %[[VAL_32:.*]] = arith.constant 1 : i32
69! CHECK:         omp.wsloop nowait schedule(static = %[[VAL_29]] : i32) {
70! CHECK-NEXT:      omp.loop_nest (%[[ARG2:.*]]) : i32 = (%[[VAL_30]]) to (%[[VAL_31]]) inclusive step (%[[VAL_32]]) {
71! CHECK:             fir.store %[[ARG2]] to %[[STORE_IV2:.*]]#1 : !fir.ref<i32>
72! CHECK:             %[[VAL_39:.*]] = arith.constant 3 : i32
73! CHECK:             %[[LOAD_IV2:.*]] = fir.load %[[STORE_IV2]]#0 : !fir.ref<i32>
74! CHECK:             %[[VAL_40:.*]] = arith.muli %[[VAL_39]], %[[LOAD_IV2]] : i32
75! CHECK:             {{.*}} = fir.call @_FortranAioOutputInteger32({{.*}}, %[[VAL_40]]) {{.*}}: (!fir.ref<i8>, i32) -> i1
76! CHECK:             omp.yield
77! CHECK:           }
78! CHECK:         }
79! CHECK:         return
80! CHECK:       }
81
82end
83