xref: /llvm-project/flang/test/Lower/forall/forall-construct.f90 (revision fcd06d774dad1b5bcdc22f5f10a9d5c62c585814)
1! Test forall lowering
2
3! RUN: bbc -emit-fir -hlfir=false %s -o - | FileCheck %s
4
5!*** Test a FORALL construct
6subroutine test_forall_construct(a,b)
7  integer :: i, j
8  real :: a(:,:), b(:,:)
9  forall (i=1:ubound(a,1), j=1:ubound(a,2), b(j,i) > 0.0)
10     a(i,j) = b(j,i) / 3.14
11  end forall
12end subroutine test_forall_construct
13
14! CHECK-LABEL: func @_QPtest_forall_construct(
15! CHECK-SAME:     %[[VAL_0:.*]]: !fir.box<!fir.array<?x?xf32>>{{.*}}, %[[VAL_1:.*]]: !fir.box<!fir.array<?x?xf32>>{{.*}}) {
16! CHECK:         %[[VAL_2:.*]] = fir.alloca i32 {adapt.valuebyref, bindc_name = "j"}
17! CHECK:         %[[VAL_3:.*]] = fir.alloca i32 {adapt.valuebyref, bindc_name = "i"}
18! CHECK:         %[[VAL_4:.*]] = arith.constant 1 : i32
19! CHECK:         %[[VAL_5:.*]] = fir.convert %[[VAL_4]] : (i32) -> index
20! CHECK:         %[[VAL_6:.*]] = arith.constant 0 : index
21! CHECK:         %[[VAL_7:.*]]:3 = fir.box_dims %[[VAL_0]], %[[VAL_6]] : (!fir.box<!fir.array<?x?xf32>>, index) -> (index, index, index)
22! CHECK:         %[[VAL_8:.*]] = fir.convert %[[VAL_7]]#1 : (index) -> i64
23! CHECK:         %[[VAL_9:.*]] = arith.constant 1 : index
24! CHECK:         %[[VAL_10:.*]] = fir.convert %[[VAL_9]] : (index) -> i64
25! CHECK:         %[[VAL_11:.*]] = arith.addi %[[VAL_8]], %[[VAL_10]] : i64
26! CHECK:         %[[VAL_12:.*]] = arith.constant 1 : i64
27! CHECK:         %[[VAL_13:.*]] = arith.subi %[[VAL_11]], %[[VAL_12]] : i64
28! CHECK:         %[[VAL_14:.*]] = fir.convert %[[VAL_13]] : (i64) -> i32
29! CHECK:         %[[VAL_15:.*]] = fir.convert %[[VAL_14]] : (i32) -> index
30! CHECK:         %[[VAL_16:.*]] = arith.constant 1 : index
31! CHECK:         %[[VAL_17:.*]] = arith.constant 1 : i32
32! CHECK:         %[[VAL_18:.*]] = fir.convert %[[VAL_17]] : (i32) -> index
33! CHECK:         %[[VAL_19:.*]] = arith.constant 1 : index
34! CHECK:         %[[VAL_20:.*]]:3 = fir.box_dims %[[VAL_0]], %[[VAL_19]] : (!fir.box<!fir.array<?x?xf32>>, index) -> (index, index, index)
35! CHECK:         %[[VAL_21:.*]] = fir.convert %[[VAL_20]]#1 : (index) -> i64
36! CHECK:         %[[VAL_22:.*]] = arith.constant 1 : index
37! CHECK:         %[[VAL_23:.*]] = fir.convert %[[VAL_22]] : (index) -> i64
38! CHECK:         %[[VAL_24:.*]] = arith.addi %[[VAL_21]], %[[VAL_23]] : i64
39! CHECK:         %[[VAL_25:.*]] = arith.constant 1 : i64
40! CHECK:         %[[VAL_26:.*]] = arith.subi %[[VAL_24]], %[[VAL_25]] : i64
41! CHECK:         %[[VAL_27:.*]] = fir.convert %[[VAL_26]] : (i64) -> i32
42! CHECK:         %[[VAL_28:.*]] = fir.convert %[[VAL_27]] : (i32) -> index
43! CHECK:         %[[VAL_29:.*]] = arith.constant 1 : index
44! CHECK:         %[[VAL_30:.*]] = fir.array_load %[[VAL_0]] : (!fir.box<!fir.array<?x?xf32>>) -> !fir.array<?x?xf32>
45! CHECK:         %[[VAL_31:.*]] = fir.array_load %[[VAL_1]] : (!fir.box<!fir.array<?x?xf32>>) -> !fir.array<?x?xf32>
46! CHECK:         %[[VAL_32:.*]] = fir.do_loop %[[VAL_33:.*]] = %[[VAL_5]] to %[[VAL_15]] step %[[VAL_16]] unordered iter_args(%[[VAL_34:.*]] = %[[VAL_30]]) -> (!fir.array<?x?xf32>) {
47! CHECK:           %[[VAL_35:.*]] = fir.convert %[[VAL_33]] : (index) -> i32
48! CHECK:           fir.store %[[VAL_35]] to %[[VAL_3]] : !fir.ref<i32>
49! CHECK:           %[[VAL_36:.*]] = fir.do_loop %[[VAL_37:.*]] = %[[VAL_18]] to %[[VAL_28]] step %[[VAL_29]] unordered iter_args(%[[VAL_38:.*]] = %[[VAL_34]]) -> (!fir.array<?x?xf32>) {
50! CHECK:             %[[VAL_39:.*]] = fir.convert %[[VAL_37]] : (index) -> i32
51! CHECK:             fir.store %[[VAL_39]] to %[[VAL_2]] : !fir.ref<i32>
52! CHECK:             %[[VAL_40:.*]] = fir.load %[[VAL_2]] : !fir.ref<i32>
53! CHECK:             %[[VAL_41:.*]] = fir.convert %[[VAL_40]] : (i32) -> i64
54! CHECK:             %[[VAL_42:.*]] = arith.constant 1 : i64
55! CHECK:             %[[VAL_43:.*]] = arith.subi %[[VAL_41]], %[[VAL_42]] : i64
56! CHECK:             %[[VAL_44:.*]] = fir.load %[[VAL_3]] : !fir.ref<i32>
57! CHECK:             %[[VAL_45:.*]] = fir.convert %[[VAL_44]] : (i32) -> i64
58! CHECK:             %[[VAL_46:.*]] = arith.constant 1 : i64
59! CHECK:             %[[VAL_47:.*]] = arith.subi %[[VAL_45]], %[[VAL_46]] : i64
60! CHECK:             %[[VAL_48:.*]] = fir.coordinate_of %[[VAL_1]], %[[VAL_43]], %[[VAL_47]] : (!fir.box<!fir.array<?x?xf32>>, i64, i64) -> !fir.ref<f32>
61! CHECK:             %[[VAL_49:.*]] = fir.load %[[VAL_48]] : !fir.ref<f32>
62! CHECK:             %[[VAL_50:.*]] = arith.constant 0.000000e+00 : f32
63! CHECK:             %[[VAL_51:.*]] = arith.cmpf ogt, %[[VAL_49]], %[[VAL_50]] {{.*}} : f32
64! CHECK:             %[[VAL_52:.*]] = fir.if %[[VAL_51]] -> (!fir.array<?x?xf32>) {
65! CHECK:               %[[VAL_53:.*]] = arith.constant 1 : index
66! CHECK:               %[[VAL_54:.*]] = fir.load %[[VAL_2]] : !fir.ref<i32>
67! CHECK:               %[[VAL_55:.*]] = fir.convert %[[VAL_54]] : (i32) -> i64
68! CHECK:               %[[VAL_56:.*]] = fir.convert %[[VAL_55]] : (i64) -> index
69! CHECK:               %[[VAL_57:.*]] = arith.subi %[[VAL_56]], %[[VAL_53]] : index
70! CHECK:               %[[VAL_58:.*]] = fir.load %[[VAL_3]] : !fir.ref<i32>
71! CHECK:               %[[VAL_59:.*]] = fir.convert %[[VAL_58]] : (i32) -> i64
72! CHECK:               %[[VAL_60:.*]] = fir.convert %[[VAL_59]] : (i64) -> index
73! CHECK:               %[[VAL_61:.*]] = arith.subi %[[VAL_60]], %[[VAL_53]] : index
74! CHECK-DAG:           %[[VAL_62:.*]] = arith.constant 3.140000e+00 : f32
75! CHECK-DAG:           %[[VAL_63:.*]] = fir.array_fetch %[[VAL_31]], %[[VAL_57]], %[[VAL_61]] : (!fir.array<?x?xf32>, index, index) -> f32
76! CHECK:               %[[VAL_64:.*]] = arith.divf %[[VAL_63]], %[[VAL_62]] {{.*}}: f32
77! CHECK:               %[[VAL_65:.*]] = arith.constant 1 : index
78! CHECK:               %[[VAL_66:.*]] = fir.load %[[VAL_3]] : !fir.ref<i32>
79! CHECK:               %[[VAL_67:.*]] = fir.convert %[[VAL_66]] : (i32) -> i64
80! CHECK:               %[[VAL_68:.*]] = fir.convert %[[VAL_67]] : (i64) -> index
81! CHECK:               %[[VAL_69:.*]] = arith.subi %[[VAL_68]], %[[VAL_65]] : index
82! CHECK:               %[[VAL_70:.*]] = fir.load %[[VAL_2]] : !fir.ref<i32>
83! CHECK:               %[[VAL_71:.*]] = fir.convert %[[VAL_70]] : (i32) -> i64
84! CHECK:               %[[VAL_72:.*]] = fir.convert %[[VAL_71]] : (i64) -> index
85! CHECK:               %[[VAL_73:.*]] = arith.subi %[[VAL_72]], %[[VAL_65]] : index
86! CHECK:               %[[VAL_74:.*]] = fir.array_update %[[VAL_38]], %[[VAL_64]], %[[VAL_69]], %[[VAL_73]] : (!fir.array<?x?xf32>, f32, index, index) -> !fir.array<?x?xf32>
87! CHECK:               fir.result %[[VAL_74]] : !fir.array<?x?xf32>
88! CHECK:             } else {
89! CHECK:               fir.result %[[VAL_38]] : !fir.array<?x?xf32>
90! CHECK:             }
91! CHECK:             fir.result %[[VAL_75:.*]] : !fir.array<?x?xf32>
92! CHECK:           }
93! CHECK:           fir.result %[[VAL_76:.*]] : !fir.array<?x?xf32>
94! CHECK:         }
95! CHECK:         fir.array_merge_store %[[VAL_30]], %[[VAL_77:.*]] to %[[VAL_0]] : !fir.array<?x?xf32>, !fir.array<?x?xf32>, !fir.box<!fir.array<?x?xf32>>
96! CHECK:         return
97! CHECK:       }
98