xref: /llvm-project/flang/test/Lower/OpenMP/wsloop-collapse.f90 (revision 937cbce14c9aa956342a9c818c26a8a557802843)
1! This test checks lowering of OpenMP DO Directive(Worksharing) with collapse.
2
3! RUN: bbc -fopenmp -emit-hlfir %s -o - | FileCheck %s
4
5!CHECK-LABEL:   func.func @_QQmain() attributes {fir.bindc_name = "wsloop_collapse"} {
6program wsloop_collapse
7!CHECK:           %[[VAL_6:.*]] = fir.alloca i32 {bindc_name = "a", uniq_name = "_QFEa"}
8!CHECK:           %[[VAL_7:.*]]:2 = hlfir.declare %[[VAL_6]] {uniq_name = "_QFEa"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
9
10!CHECK:           %[[VAL_8:.*]] = fir.alloca i32 {bindc_name = "b", uniq_name = "_QFEb"}
11!CHECK:           %[[VAL_9:.*]]:2 = hlfir.declare %[[VAL_8]] {uniq_name = "_QFEb"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
12
13!CHECK:           %[[VAL_10:.*]] = fir.alloca i32 {bindc_name = "c", uniq_name = "_QFEc"}
14!CHECK:           %[[VAL_11:.*]]:2 = hlfir.declare %[[VAL_10]] {uniq_name = "_QFEc"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
15
16
17!CHECK:           %[[VAL_12:.*]] = fir.alloca i32 {bindc_name = "i", uniq_name = "_QFEi"}
18!CHECK:           %[[VAL_13:.*]]:2 = hlfir.declare %[[VAL_12]] {uniq_name = "_QFEi"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
19
20!CHECK:           %[[VAL_14:.*]] = fir.alloca i32 {bindc_name = "j", uniq_name = "_QFEj"}
21!CHECK:           %[[VAL_15:.*]]:2 = hlfir.declare %[[VAL_14]] {uniq_name = "_QFEj"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
22
23!CHECK:           %[[VAL_16:.*]] = fir.alloca i32 {bindc_name = "k", uniq_name = "_QFEk"}
24!CHECK:           %[[VAL_17:.*]]:2 = hlfir.declare %[[VAL_16]] {uniq_name = "_QFEk"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
25
26!CHECK:           %[[VAL_18:.*]] = fir.alloca i32 {bindc_name = "x", uniq_name = "_QFEx"}
27!CHECK:           %[[VAL_19:.*]]:2 = hlfir.declare %[[VAL_18]] {uniq_name = "_QFEx"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
28
29!CHECK:           %[[VAL_20:.*]] = arith.constant 3 : i32
30!CHECK:           hlfir.assign %[[VAL_20]] to %[[VAL_7]]#0 : i32, !fir.ref<i32>
31
32!CHECK:           %[[VAL_21:.*]] = arith.constant 2 : i32
33!CHECK:           hlfir.assign %[[VAL_21]] to %[[VAL_9]]#0 : i32, !fir.ref<i32>
34
35!CHECK:           %[[VAL_22:.*]] = arith.constant 5 : i32
36!CHECK:           hlfir.assign %[[VAL_22]] to %[[VAL_11]]#0 : i32, !fir.ref<i32>
37
38!CHECK:           %[[VAL_23:.*]] = arith.constant 0 : i32
39!CHECK:           hlfir.assign %[[VAL_23]] to %[[VAL_19]]#0 : i32, !fir.ref<i32>
40
41!CHECK:           %[[VAL_4:.*]] = fir.alloca i32 {bindc_name = "i", pinned, {{.*}}}
42!CHECK:           %[[VAL_5:.*]]:2 = hlfir.declare %[[VAL_4]] {uniq_name = "_QFEi"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
43
44!CHECK:           %[[VAL_2:.*]] = fir.alloca i32 {bindc_name = "j", pinned, {{.*}}}
45!CHECK:           %[[VAL_3:.*]]:2 = hlfir.declare %[[VAL_2]] {uniq_name = "_QFEj"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
46
47!CHECK:           %[[VAL_0:.*]] = fir.alloca i32 {bindc_name = "k", pinned, {{.*}}}
48!CHECK:           %[[VAL_1:.*]]:2 = hlfir.declare %[[VAL_0]] {uniq_name = "_QFEk"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
49
50  integer :: i, j, k
51  integer :: a, b, c
52  integer :: x
53
54  a=3
55  b=2
56  c=5
57  x=0
58
59!CHECK:           %[[VAL_24:.*]] = arith.constant 1 : i32
60!CHECK:           %[[VAL_25:.*]] = fir.load %[[VAL_7]]#0 : !fir.ref<i32>
61!CHECK:           %[[VAL_26:.*]] = arith.constant 1 : i32
62!CHECK:           %[[VAL_27:.*]] = arith.constant 1 : i32
63!CHECK:           %[[VAL_28:.*]] = fir.load %[[VAL_9]]#0 : !fir.ref<i32>
64!CHECK:           %[[VAL_29:.*]] = arith.constant 1 : i32
65!CHECK:           %[[VAL_30:.*]] = arith.constant 1 : i32
66!CHECK:           %[[VAL_31:.*]] = fir.load %[[VAL_11]]#0 : !fir.ref<i32>
67!CHECK:           %[[VAL_32:.*]] = arith.constant 1 : i32
68!CHECK:           omp.wsloop {
69!CHECK-NEXT:        omp.loop_nest (%[[VAL_33:.*]], %[[VAL_34:.*]], %[[VAL_35:.*]]) : i32 = (%[[VAL_24]], %[[VAL_27]], %[[VAL_30]]) to (%[[VAL_25]], %[[VAL_28]], %[[VAL_31]]) inclusive step (%[[VAL_26]], %[[VAL_29]], %[[VAL_32]]) {
70  !$omp do collapse(3)
71  do i = 1, a
72     do j= 1, b
73        do k = 1, c
74!CHECK:               fir.store %[[VAL_33]] to %[[VAL_5]]#1 : !fir.ref<i32>
75!CHECK:               fir.store %[[VAL_34]] to %[[VAL_3]]#1 : !fir.ref<i32>
76!CHECK:               fir.store %[[VAL_35]] to %[[VAL_1]]#1 : !fir.ref<i32>
77!CHECK:               %[[VAL_36:.*]] = fir.load %[[VAL_19]]#0 : !fir.ref<i32>
78!CHECK:               %[[VAL_37:.*]] = fir.load %[[VAL_5]]#0 : !fir.ref<i32>
79!CHECK:               %[[VAL_38:.*]] = arith.addi %[[VAL_36]], %[[VAL_37]] : i32
80!CHECK:               %[[VAL_39:.*]] = fir.load %[[VAL_3]]#0 : !fir.ref<i32>
81!CHECK:               %[[VAL_40:.*]] = arith.addi %[[VAL_38]], %[[VAL_39]] : i32
82!CHECK:               %[[VAL_41:.*]] = fir.load %[[VAL_1]]#0 : !fir.ref<i32>
83!CHECK:               %[[VAL_42:.*]] = arith.addi %[[VAL_40]], %[[VAL_41]] : i32
84!CHECK:               hlfir.assign %[[VAL_42]] to %[[VAL_19]]#0 : i32, !fir.ref<i32>
85!CHECK:               omp.yield
86!CHECK-NEXT:        }
87           x = x + i + j + k
88        end do
89     end do
90  end do
91!CHECK:           }
92  !$omp end do
93!CHECK:         return
94!CHECK:       }
95end program wsloop_collapse
96