1! This test checks lowering of OpenMP DO Directive(Worksharing) for different
2! types of loop iteration variable, lower bound, upper bound, and step.
3
4!REQUIRES: shell
5!RUN: bbc -fopenmp -emit-fir %s -o - 2>&1 | FileCheck %s
6
7!CHECK:  OpenMP loop iteration variable cannot have more than 64 bits size and will be narrowed into 64 bits.
8
9program wsloop_variable
10  integer(kind=1) :: i1_lb, i1_ub
11  integer(kind=2) :: i2, i2_ub, i2_s
12  integer(kind=4) :: i4_s
13  integer(kind=8) :: i8, i8_s
14  integer(kind=16) :: i16, i16_lb
15  real :: x
16
17!CHECK:  %[[TMP0:.*]] = arith.constant 1 : i32
18!CHECK:  %[[TMP1:.*]] = arith.constant 100 : i32
19!CHECK:  %[[TMP2:.*]] = fir.convert %[[TMP0]] : (i32) -> i64
20!CHECK:  %[[TMP3:.*]] = fir.convert %{{.*}} : (i8) -> i64
21!CHECK:  %[[TMP4:.*]] = fir.convert %{{.*}} : (i16) -> i64
22!CHECK:  %[[TMP5:.*]] = fir.convert %{{.*}} : (i128) -> i64
23!CHECK:  %[[TMP6:.*]] = fir.convert %[[TMP1]] : (i32) -> i64
24!CHECK:  %[[TMP7:.*]] = fir.convert %{{.*}} : (i32) -> i64
25!CHECK:  omp.wsloop collapse(2) for (%[[ARG0:.*]], %[[ARG1:.*]]) : i64 = (%[[TMP2]], %[[TMP5]]) to (%[[TMP3]], %[[TMP6]]) inclusive step (%[[TMP4]], %[[TMP7]]) {
26!CHECK:    fir.store %[[ARG0]] to %[[STORE_IV0:.*]] : !fir.ref<i64>
27!CHECK:    fir.store %[[ARG1]] to %[[STORE_IV1:.*]] : !fir.ref<i64>
28!CHECK:    %[[LOAD_IV0:.*]] = fir.load %[[STORE_IV0]] : !fir.ref<i64>
29!CHECK:    %[[LOAD_IV1:.*]] = fir.load %[[STORE_IV1]] : !fir.ref<i64>
30!CHECK:    %[[TMP10:.*]] = arith.addi %[[LOAD_IV0]], %[[LOAD_IV1]] : i64
31!CHECK:    %[[TMP11:.*]] = fir.convert %[[TMP10]] : (i64) -> f32
32!CHECK:    fir.store %[[TMP11]] to %{{.*}} : !fir.ref<f32>
33!CHECK:    omp.yield
34!CHECK:  }
35
36  !$omp do collapse(2)
37  do i2 = 1, i1_ub, i2_s
38    do i8 = i16_lb, 100, i4_s
39      x = i2 + i8
40    end do
41  end do
42  !$omp end do
43
44!CHECK:  %[[TMP12:.*]] = arith.constant 1 : i32
45!CHECK:  %[[TMP13:.*]] = fir.convert %{{.*}} : (i8) -> i32
46!CHECK:  %[[TMP14:.*]] = fir.convert %{{.*}} : (i64) -> i32
47!CHECK:  omp.wsloop for (%[[ARG0:.*]]) : i32 = (%[[TMP12]]) to (%[[TMP13]]) inclusive step (%[[TMP14]])  {
48!CHECK:    fir.store %[[ARG0]] to %[[STORE3:.*]] : !fir.ref<i32>
49!CHECK:    %[[LOAD3:.*]] = fir.load %[[STORE3]] : !fir.ref<i32>
50!CHECK:    %[[TMP16:.*]] = fir.convert %[[LOAD3]] : (i32) -> f32
51
52!CHECK:    fir.store %[[TMP16]] to %{{.*}} : !fir.ref<f32>
53!CHECK:    omp.yield
54!CHECK:  }
55
56  !$omp do
57  do i2 = 1, i1_ub, i8_s
58    x = i2
59  end do
60  !$omp end do
61
62!CHECK:  %[[TMP17:.*]] = fir.convert %{{.*}} : (i8) -> i64
63!CHECK:  %[[TMP18:.*]] = fir.convert %{{.*}} : (i16) -> i64
64!CHECK:  %[[TMP19:.*]] = fir.convert %{{.*}} : (i32) -> i64
65!CHECK:  omp.wsloop for (%[[ARG1:.*]]) : i64 = (%[[TMP17]]) to (%[[TMP18]]) inclusive step (%[[TMP19]])  {
66!CHECK:    fir.store %[[ARG1]] to %[[STORE4:.*]] : !fir.ref<i64>
67!CHECK:    %[[LOAD4:.*]] = fir.load %[[STORE4]] : !fir.ref<i64>
68!CHECK:    %[[TMP21:.*]] = fir.convert %[[LOAD4]] : (i64) -> f32
69!CHECK:    fir.store %[[TMP21]] to %{{.*}} : !fir.ref<f32>
70!CHECK:    omp.yield
71!CHECK:  }
72
73  !$omp do
74  do i16 = i1_lb, i2_ub, i4_s
75    x = i16
76  end do
77  !$omp end do
78
79end program wsloop_variable
80
81!CHECK-LABEL: func.func @_QPwsloop_variable_sub() {
82!CHECK:         %[[VAL_0:.*]] = fir.alloca i128 {bindc_name = "i16_lb", uniq_name = "_QFwsloop_variable_subEi16_lb"}
83!CHECK:         %[[VAL_1:.*]] = fir.alloca i8 {bindc_name = "i1_ub", uniq_name = "_QFwsloop_variable_subEi1_ub"}
84!CHECK:         %[[VAL_2:.*]] = fir.alloca i16 {bindc_name = "i2", uniq_name = "_QFwsloop_variable_subEi2"}
85!CHECK:         %[[VAL_3:.*]] = fir.alloca i16 {bindc_name = "i2_s", uniq_name = "_QFwsloop_variable_subEi2_s"}
86!CHECK:         %[[VAL_4:.*]] = fir.alloca i32 {bindc_name = "i4_s", uniq_name = "_QFwsloop_variable_subEi4_s"}
87!CHECK:         %[[VAL_5:.*]] = fir.alloca i64 {bindc_name = "i8", uniq_name = "_QFwsloop_variable_subEi8"}
88!CHECK:         %[[VAL_6:.*]] = fir.alloca f32 {bindc_name = "x", uniq_name = "_QFwsloop_variable_subEx"}
89!CHECK:         %[[VAL_7:.*]] = arith.constant 1 : i32
90!CHECK:         %[[VAL_8:.*]] = fir.load %[[VAL_1]] : !fir.ref<i8>
91!CHECK:         %[[VAL_9:.*]] = fir.load %[[VAL_3]] : !fir.ref<i16>
92!CHECK:         %[[VAL_10:.*]] = fir.convert %[[VAL_8]] : (i8) -> i32
93!CHECK:         %[[VAL_11:.*]] = fir.convert %[[VAL_9]] : (i16) -> i32
94!CHECK:         omp.wsloop   for  (%[[ARG0:.*]]) : i32 = (%[[VAL_7]]) to (%[[VAL_10]]) inclusive step (%[[VAL_11]]) {
95!CHECK:           fir.store %[[ARG0]] to %[[STORE_IV:.*]] : !fir.ref<i32>
96!CHECK:           %[[VAL_13:.*]] = fir.load %[[VAL_0]] : !fir.ref<i128>
97!CHECK:           %[[VAL_14:.*]] = fir.convert %[[VAL_13]] : (i128) -> index
98!CHECK:           %[[VAL_15:.*]] = arith.constant 100 : i32
99!CHECK:           %[[VAL_16:.*]] = fir.convert %[[VAL_15]] : (i32) -> index
100!CHECK:           %[[VAL_17:.*]] = fir.load %[[VAL_4]] : !fir.ref<i32>
101!CHECK:           %[[VAL_18:.*]] = fir.convert %[[VAL_17]] : (i32) -> index
102!CHECK:           %[[VAL_19:.*]] = fir.do_loop %[[VAL_20:.*]] = %[[VAL_14]] to %[[VAL_16]] step %[[VAL_18]] -> index {
103!CHECK:             %[[VAL_21:.*]] = fir.convert %[[VAL_20]] : (index) -> i64
104!CHECK:             fir.store %[[VAL_21]] to %[[VAL_5]] : !fir.ref<i64>
105!CHECK:             %[[LOAD_IV:.*]] = fir.load %[[STORE_IV]] : !fir.ref<i32>
106!CHECK:             %[[VAL_22:.*]] = fir.convert %[[LOAD_IV]] : (i32) -> i64
107!CHECK:             %[[VAL_23:.*]] = fir.load %[[VAL_5]] : !fir.ref<i64>
108!CHECK:             %[[VAL_24:.*]] = arith.addi %[[VAL_22]], %[[VAL_23]] : i64
109!CHECK:             %[[VAL_25:.*]] = fir.convert %[[VAL_24]] : (i64) -> f32
110!CHECK:             fir.store %[[VAL_25]] to %[[VAL_6]] : !fir.ref<f32>
111!CHECK:             %[[VAL_26:.*]] = arith.addi %[[VAL_20]], %[[VAL_18]] : index
112!CHECK:             fir.result %[[VAL_26]] : index
113!CHECK:           }
114!CHECK:           %[[VAL_27:.*]] = fir.convert %[[VAL_28:.*]] : (index) -> i64
115!CHECK:           fir.store %[[VAL_27]] to %[[VAL_5]] : !fir.ref<i64>
116!CHECK:           omp.yield
117!CHECK:         }
118!CHECK:         return
119!CHECK:       }
120
121subroutine wsloop_variable_sub
122  integer(kind=1) :: i1_ub
123  integer(kind=2) :: i2, i2_s
124  integer(kind=4) :: i4_s
125  integer(kind=8) :: i8
126  integer(kind=16) :: i16_lb
127  real :: x
128
129  !$omp do
130  do i2 = 1, i1_ub, i2_s
131    do i8 = i16_lb, 100, i4_s
132      x = i2 + i8
133    end do
134  end do
135  !$omp end do
136
137end
138