xref: /llvm-project/flang/test/HLFIR/forall.fir (revision 1f2c8f6a774c5b0e76e3770751a63f4794d96732) 
1// Test hlfir.forall operation parse, verify (no errors), and unparse.
2// RUN: fir-opt %s | fir-opt | FileCheck %s
3
4func.func @forall_test(%x: !fir.box<!fir.array<?xf32>>, %x2: !fir.box<!fir.array<?x?xf32>>) {
5  %c1 = arith.constant 1 : index
6  %c10 = arith.constant 10 : index
7  hlfir.forall lb {
8    hlfir.yield %c1 : index
9  } ub {
10    hlfir.yield %c10 : index
11  } (%i : index) {
12    hlfir.region_assign {
13      %res = fir.call @foo(%i) : (index) -> f32
14      hlfir.yield %res : f32
15    } to {
16      %xi = hlfir.designate %x(%i) : (!fir.box<!fir.array<?xf32>>, index) -> !fir.ref<f32>
17      hlfir.yield %xi : !fir.ref<f32>
18    }
19    hlfir.forall lb {
20      hlfir.yield %c1 : index
21    } ub {
22      hlfir.yield %c10 : index
23    } (%j : index) {
24      hlfir.region_assign {
25        %jf = fir.convert %j : (index) -> f32
26        hlfir.yield %jf : f32
27      } to {
28        %xij = hlfir.designate %x2(%i, %j) : (!fir.box<!fir.array<?x?xf32>>, index, index) -> !fir.ref<f32>
29        hlfir.yield %xij : !fir.ref<f32>
30      }
31    }
32  }
33  return
34}
35// CHECK-LABEL:   func.func @forall_test(
36// CHECK-SAME:                           %[[VAL_0:.*]]: !fir.box<!fir.array<?xf32>>,
37// CHECK-SAME:                           %[[VAL_1:.*]]: !fir.box<!fir.array<?x?xf32>>) {
38// CHECK:           %[[VAL_2:.*]] = arith.constant 1 : index
39// CHECK:           %[[VAL_3:.*]] = arith.constant 10 : index
40// CHECK:           hlfir.forall lb {
41// CHECK:             hlfir.yield %[[VAL_2]] : index
42// CHECK:           } ub {
43// CHECK:             hlfir.yield %[[VAL_3]] : index
44// CHECK:           }  (%[[VAL_4:.*]]: index) {
45// CHECK:             hlfir.region_assign {
46// CHECK:               %[[VAL_5:.*]] = fir.call @foo(%[[VAL_4]]) : (index) -> f32
47// CHECK:               hlfir.yield %[[VAL_5]] : f32
48// CHECK:             } to {
49// CHECK:               %[[VAL_6:.*]] = hlfir.designate %[[VAL_0]] (%[[VAL_4]])  : (!fir.box<!fir.array<?xf32>>, index) -> !fir.ref<f32>
50// CHECK:               hlfir.yield %[[VAL_6]] : !fir.ref<f32>
51// CHECK:             }
52// CHECK:             hlfir.forall lb {
53// CHECK:               hlfir.yield %[[VAL_2]] : index
54// CHECK:             } ub {
55// CHECK:               hlfir.yield %[[VAL_3]] : index
56// CHECK:             }  (%[[VAL_7:.*]]: index) {
57// CHECK:               hlfir.region_assign {
58// CHECK:                 %[[VAL_8:.*]] = fir.convert %[[VAL_7]] : (index) -> f32
59// CHECK:                 hlfir.yield %[[VAL_8]] : f32
60// CHECK:               } to {
61// CHECK:                 %[[VAL_9:.*]] = hlfir.designate %[[VAL_1]] (%[[VAL_4]], %[[VAL_7]])  : (!fir.box<!fir.array<?x?xf32>>, index, index) -> !fir.ref<f32>
62// CHECK:                 hlfir.yield %[[VAL_9]] : !fir.ref<f32>
63// CHECK:               }
64// CHECK:             }
65// CHECK:           }
66
67func.func @forall_test_step(%x : !fir.box<!fir.array<10xf32>>, %y: !fir.box<!fir.array<?xf32>>) {
68  hlfir.forall lb {
69    %c1 = arith.constant 1 : index
70    hlfir.yield %c1 : index
71  } ub {
72    %c10 = arith.constant 10 : index
73    hlfir.yield %c10 : index
74  } step {
75    %c2 = arith.constant 2 : index
76    hlfir.yield %c2 : index
77  } (%i : index) {
78    hlfir.region_assign {
79      %yi = hlfir.designate %y(%i) : (!fir.box<!fir.array<?xf32>>, index) -> !fir.ref<f32>
80      %val = fir.load %yi : !fir.ref<f32>
81      hlfir.yield %val : f32
82    } to {
83      %xi = hlfir.designate %x(%i) : (!fir.box<!fir.array<10xf32>>, index) -> !fir.ref<f32>
84      hlfir.yield %xi : !fir.ref<f32>
85    }
86  }
87  return
88}
89// CHECK-LABEL:   func.func @forall_test_step(
90// CHECK-SAME:                                %[[VAL_0:.*]]: !fir.box<!fir.array<10xf32>>,
91// CHECK-SAME:                                %[[VAL_1:.*]]: !fir.box<!fir.array<?xf32>>) {
92// CHECK:           hlfir.forall lb {
93// CHECK:             %[[VAL_2:.*]] = arith.constant 1 : index
94// CHECK:             hlfir.yield %[[VAL_2]] : index
95// CHECK:           } ub {
96// CHECK:             %[[VAL_3:.*]] = arith.constant 10 : index
97// CHECK:             hlfir.yield %[[VAL_3]] : index
98// CHECK:           } step {
99// CHECK:             %[[VAL_4:.*]] = arith.constant 2 : index
100// CHECK:             hlfir.yield %[[VAL_4]] : index
101// CHECK:           }  (%[[VAL_5:.*]]: index) {
102// CHECK:             hlfir.region_assign {
103// CHECK:               %[[VAL_6:.*]] = hlfir.designate %[[VAL_1]] (%[[VAL_5]])  : (!fir.box<!fir.array<?xf32>>, index) -> !fir.ref<f32>
104// CHECK:               %[[VAL_7:.*]] = fir.load %[[VAL_6]] : !fir.ref<f32>
105// CHECK:               hlfir.yield %[[VAL_7]] : f32
106// CHECK:             } to {
107// CHECK:               %[[VAL_8:.*]] = hlfir.designate %[[VAL_0]] (%[[VAL_5]])  : (!fir.box<!fir.array<10xf32>>, index) -> !fir.ref<f32>
108// CHECK:               hlfir.yield %[[VAL_8]] : !fir.ref<f32>
109// CHECK:             }
110// CHECK:           }
111