1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
|
! RUN: bbc -emit-fir -fopenmp -o - %s 2>&1 | FileCheck %s
! RUN: %flang_fc1 -emit-fir -fopenmp -o - %s 2>&1 | FileCheck %s
!CHECK: omp.reduction.declare @[[MIN_DECLARE_F:.*]] : f32 init {
!CHECK: %[[MAXIMUM_VAL_F:.*]] = arith.constant -1.401300e-45 : f32
!CHECK: omp.yield(%[[MAXIMUM_VAL_F]] : f32)
!CHECK: combiner
!CHECK: ^bb0(%[[ARG0_F:.*]]: f32, %[[ARG1_F:.*]]: f32):
!CHECK: %[[COMB_VAL_F:.*]] = arith.minf %[[ARG0_F]], %[[ARG1_F]] {{.*}}: f32
!CHECK: omp.yield(%[[COMB_VAL_F]] : f32)
!CHECK: omp.reduction.declare @[[MIN_DECLARE_I:.*]] : i32 init {
!CHECK: %[[MAXIMUM_VAL_I:.*]] = arith.constant 2147483647 : i32
!CHECK: omp.yield(%[[MAXIMUM_VAL_I]] : i32)
!CHECK: combiner
!CHECK: ^bb0(%[[ARG0_I:.*]]: i32, %[[ARG1_I:.*]]: i32):
!CHECK: %[[COMB_VAL_I:.*]] = arith.minsi %[[ARG0_I]], %[[ARG1_I]] : i32
!CHECK: omp.yield(%[[COMB_VAL_I]] : i32)
!CHECK-LABEL: @_QPreduction_min_int
!CHECK-SAME: %[[Y_BOX:.*]]: !fir.box<!fir.array<?xi32>>
!CHECK: %[[X_REF:.*]] = fir.alloca i32 {bindc_name = "x", uniq_name = "_QFreduction_min_intEx"}
!CHECK: omp.parallel
!CHECK: omp.wsloop reduction(@[[MIN_DECLARE_I]] -> %[[X_REF]] : !fir.ref<i32>) for
!CHECK: %[[Y_I_REF:.*]] = fir.coordinate_of %[[Y_BOX]]
!CHECK: %[[Y_I:.*]] = fir.load %[[Y_I_REF]] : !fir.ref<i32>
!CHECK: omp.reduction %[[Y_I]], %[[X_REF]] : i32, !fir.ref<i32>
!CHECK: omp.yield
!CHECK: omp.terminator
!CHECK-LABEL: @_QPreduction_min_real
!CHECK-SAME: %[[Y_BOX:.*]]: !fir.box<!fir.array<?xf32>>
!CHECK: %[[X_REF:.*]] = fir.alloca f32 {bindc_name = "x", uniq_name = "_QFreduction_min_realEx"}
!CHECK: omp.parallel
!CHECK: omp.wsloop reduction(@[[MIN_DECLARE_F]] -> %[[X_REF]] : !fir.ref<f32>) for
!CHECK: %[[Y_I_REF:.*]] = fir.coordinate_of %[[Y_BOX]]
!CHECK: %[[Y_I:.*]] = fir.load %[[Y_I_REF]] : !fir.ref<f32>
!CHECK: omp.reduction %[[Y_I]], %[[X_REF]] : f32, !fir.ref<f32>
!CHECK: omp.yield
!CHECK: omp.terminator
subroutine reduction_min_int(y)
integer :: x, y(:)
x = 0
!$omp parallel
!$omp do reduction(min:x)
do i=1, 100
x = min(x, y(i))
end do
!$omp end do
!$omp end parallel
print *, x
end subroutine
subroutine reduction_min_real(y)
real :: x, y(:)
x = 0.0
!$omp parallel
!$omp do reduction(min:x)
do i=1, 100
x = min(y(i), x)
end do
!$omp end do
!$omp end parallel
print *, x
!$omp parallel
!$omp do reduction(min:x)
do i=1, 100
!CHECK-NOT: omp.reduction
if (y(i) .gt. x) x = y(i)
end do
!$omp end do
!$omp end parallel
print *, x
end subroutine
|
