xref: /llvm-project/flang/test/Lower/OpenMP/parallel-private-clause-fixes.f90 (revision 937cbce14c9aa956342a9c818c26a8a557802843) 
1! This test checks a few bug fixes in the PRIVATE clause lowering
2
3! RUN: bbc -fopenmp -emit-hlfir %s -o - \
4! RUN: | FileCheck %s
5
6! CHECK:  omp.private {type = private} @[[BOX_HEAP_CHAR_PRIVATIZER:_QFsub01Eaaa_private_ref_box_heap_c8xU]] : !fir.ref<!fir.box<!fir.heap<!fir.char<1,?>>>> alloc {
7! CHECK:  ^bb0(%[[ORIG_REF:.*]]: !fir.ref<!fir.box<!fir.heap<!fir.char<1,?>>>>):
8! CHECK:             %[[VAL_4:.*]] = fir.alloca !fir.box<!fir.heap<!fir.char<1,?>>> {bindc_name = "aaa", pinned, uniq_name = "_QFsub01Eaaa"}
9! CHECK:             %[[VAL_5:.*]] = fir.load %[[ORIG_REF]] : !fir.ref<!fir.box<!fir.heap<!fir.char<1,?>>>>
10! CHECK:             %[[VAL_6:.*]] = fir.box_addr %[[VAL_5]] : (!fir.box<!fir.heap<!fir.char<1,?>>>) -> !fir.heap<!fir.char<1,?>>
11! CHECK:             %[[VAL_7:.*]] = fir.convert %[[VAL_6]] : (!fir.heap<!fir.char<1,?>>) -> i64
12! CHECK:             %[[VAL_8:.*]] = arith.constant 0 : i64
13! CHECK:             %[[VAL_9:.*]] = arith.cmpi ne, %[[VAL_7]], %[[VAL_8]] : i64
14! CHECK:             fir.if %[[VAL_9]] {
15! CHECK:               %[[ELEM_SIZE:.*]] = fir.box_elesize %{{.*}} : (!fir.box<!fir.heap<!fir.char<1,?>>>) -> index
16! CHECK:               %[[VAL_10:.*]] = arith.constant 0 : index
17! CHECK:               %[[VAL_11:.*]] = arith.cmpi sgt, %[[ELEM_SIZE]], %[[VAL_10]] : index
18! CHECK:               %[[VAL_12:.*]] = arith.select %[[VAL_11]], %[[ELEM_SIZE]], %[[VAL_10]] : index
19! CHECK:               %[[VAL_13:.*]] = fir.allocmem !fir.char<1,?>(%[[VAL_12]] : index) {fir.must_be_heap = true, uniq_name = "_QFsub01Eaaa.alloc"}
20! CHECK:               %[[VAL_14:.*]] = fir.embox %[[VAL_13]] typeparams %[[VAL_12]] : (!fir.heap<!fir.char<1,?>>, index) -> !fir.box<!fir.heap<!fir.char<1,?>>>
21! CHECK:               fir.store %[[VAL_14]] to %[[VAL_4]] : !fir.ref<!fir.box<!fir.heap<!fir.char<1,?>>>>
22! CHECK:             } else {
23! CHECK:               %[[VAL_15:.*]] = fir.zero_bits !fir.heap<!fir.char<1,?>>
24! CHECK:               %[[VAL_16:.*]] = arith.constant 0 : index
25! CHECK:               %[[VAL_17:.*]] = fir.embox %[[VAL_15]] typeparams %[[VAL_16]] : (!fir.heap<!fir.char<1,?>>, index) -> !fir.box<!fir.heap<!fir.char<1,?>>>
26! CHECK:               fir.store %[[VAL_17]] to %[[VAL_4]] : !fir.ref<!fir.box<!fir.heap<!fir.char<1,?>>>>
27! CHECK:             }
28! CHECK:             %[[VAL_18:.*]]:2 = hlfir.declare %[[VAL_4]] {fortran_attrs = #{{.*}}<allocatable>, uniq_name = "_QFsub01Eaaa"} : (!fir.ref<!fir.box<!fir.heap<!fir.char<1,?>>>>) -> (!fir.ref<!fir.box<!fir.heap<!fir.char<1,?>>>>, !fir.ref<!fir.box<!fir.heap<!fir.char<1,?>>>>)
29!CHECK:              omp.yield(%[[VAL_18]]#0 : !fir.ref<!fir.box<!fir.heap<!fir.char<1,?>>>>)
30!CHECK:  } dealloc {
31!CHECK:  ^bb0(%[[ORIG_REF:.*]]: !fir.ref<!fir.box<!fir.heap<!fir.char<1,?>>>>):
32! CHECK:             %[[VAL_19:.*]] = fir.load %[[ORIG_REF]] : !fir.ref<!fir.box<!fir.heap<!fir.char<1,?>>>>
33! CHECK:             %[[VAL_20:.*]] = fir.box_addr %[[VAL_19]] : (!fir.box<!fir.heap<!fir.char<1,?>>>) -> !fir.heap<!fir.char<1,?>>
34! CHECK:             %[[VAL_21:.*]] = fir.convert %[[VAL_20]] : (!fir.heap<!fir.char<1,?>>) -> i64
35! CHECK:             %[[VAL_22:.*]] = arith.constant 0 : i64
36! CHECK:             %[[VAL_23:.*]] = arith.cmpi ne, %[[VAL_21]], %[[VAL_22]] : i64
37! CHECK:             fir.if %[[VAL_23]] {
38! CHECK:               %[[VAL_24:.*]] = fir.load %[[ORIG_REF]] : !fir.ref<!fir.box<!fir.heap<!fir.char<1,?>>>>
39! CHECK:               %[[VAL_25:.*]] = fir.box_addr %[[VAL_24]] : (!fir.box<!fir.heap<!fir.char<1,?>>>) -> !fir.heap<!fir.char<1,?>>
40! CHECK:               fir.freemem %[[VAL_25]] : !fir.heap<!fir.char<1,?>>
41! CHECK:               %[[VAL_26:.*]] = fir.zero_bits !fir.heap<!fir.char<1,?>>
42! CHECK:               %[[VAL_27:.*]] = arith.constant 0 : index
43! CHECK:               %[[VAL_28:.*]] = fir.embox %[[VAL_26]] typeparams %[[VAL_27]] : (!fir.heap<!fir.char<1,?>>, index) -> !fir.box<!fir.heap<!fir.char<1,?>>>
44! CHECK:               fir.store %[[VAL_28]] to %[[ORIG_REF]] : !fir.ref<!fir.box<!fir.heap<!fir.char<1,?>>>>
45!CHECK:    }
46!CHECK:    omp.yield
47!CHECK:  }
48
49! CHECK-LABEL: @_QPmultiple_private_fix(
50! CHECK-SAME:  %[[GAMA:.*]]: !fir.ref<i32> {fir.bindc_name = "gama"}
51! CHECK-DAG:         %[[GAMA_DECL:.*]]:2 = hlfir.declare %[[GAMA]] dummy_scope %{{[0-9]+}} {uniq_name = "_QFmultiple_private_fixEgama"} : (!fir.ref<i32>, !fir.dscope) -> (!fir.ref<i32>, !fir.ref<i32>)
52! CHECK-DAG:         %[[VAL_0:.*]] = fir.alloca i32 {bindc_name = "i", uniq_name = "_QFmultiple_private_fixEi"}
53! CHECK-DAG:         %[[I_DECL:.*]]:2 = hlfir.declare %[[VAL_0]] {uniq_name = "_QFmultiple_private_fixEi"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
54! CHECK-DAG:         %[[VAL_1:.*]] = fir.alloca i32 {bindc_name = "j", uniq_name = "_QFmultiple_private_fixEj"}
55! CHECK-DAG:         %[[J_DECL:.*]]:2 = hlfir.declare %[[VAL_1]] {uniq_name = "_QFmultiple_private_fixEj"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
56! CHECK-DAG:         %[[VAL_2:.*]] = fir.alloca i32 {bindc_name = "x", uniq_name = "_QFmultiple_private_fixEx"}
57! CHECK-DAG:         %[[X_DECL:.*]]:2 = hlfir.declare %[[VAL_2]] {uniq_name = "_QFmultiple_private_fixEx"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
58! CHECK:         omp.parallel {
59! CHECK-DAG:           %[[PRIV_I:.*]] = fir.alloca i32 {bindc_name = "i", pinned, {{.*}}}
60! CHECK-DAG:           %[[PRIV_I_DECL:.*]]:2 = hlfir.declare %[[PRIV_I]] {uniq_name = "_QFmultiple_private_fixEi"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
61! CHECK-DAG:           %[[PRIV_J:.*]] = fir.alloca i32 {bindc_name = "j", pinned, uniq_name = "_QFmultiple_private_fixEj"}
62! CHECK-DAG:           %[[PRIV_J_DECL:.*]]:2 = hlfir.declare %[[PRIV_J]] {uniq_name = "_QFmultiple_private_fixEj"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
63! CHECK-DAG:           %[[PRIV_X:.*]] = fir.alloca i32 {bindc_name = "x", pinned, {{.*}}}
64! CHECK-DAG:           %[[PRIV_X_DECL:.*]]:2 = hlfir.declare %[[PRIV_X]] {uniq_name = "_QFmultiple_private_fixEx"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
65! CHECK:           %[[ONE:.*]] = arith.constant 1 : i32
66! CHECK:           %[[VAL_3:.*]] = fir.load %[[GAMA_DECL]]#0 : !fir.ref<i32>
67! CHECK:           %[[VAL_5:.*]] = arith.constant 1 : i32
68! CHECK:           omp.wsloop {
69! CHECK-NEXT:        omp.loop_nest (%[[VAL_6:.*]]) : i32 = (%[[ONE]]) to (%[[VAL_3]]) inclusive step (%[[VAL_5]]) {
70! CHECK:               fir.store %[[VAL_6]] to %[[PRIV_I_DECL]]#1 : !fir.ref<i32>
71! CHECK:               %[[VAL_7:.*]] = arith.constant 1 : i32
72! CHECK:               %[[VAL_8:.*]] = fir.convert %[[VAL_7]] : (i32) -> index
73! CHECK:               %[[VAL_9:.*]] = fir.load %[[GAMA_DECL]]#0 : !fir.ref<i32>
74! CHECK:               %[[VAL_10:.*]] = fir.convert %[[VAL_9]] : (i32) -> index
75! CHECK:               %[[VAL_11:.*]] = arith.constant 1 : index
76! CHECK:               %[[LB:.*]] = fir.convert %[[VAL_8]] : (index) -> i32
77! CHECK:               %[[VAL_12:.*]]:2 = fir.do_loop %[[VAL_13:[^ ]*]] =
78! CHECK-SAME:              %[[VAL_8]] to %[[VAL_10]] step %[[VAL_11]]
79! CHECK-SAME:              iter_args(%[[IV:.*]] = %[[LB]]) -> (index, i32) {
80! CHECK:                 fir.store %[[IV]] to %[[PRIV_J_DECL]]#1 : !fir.ref<i32>
81! CHECK:                 %[[LOAD:.*]] = fir.load %[[PRIV_I_DECL]]#0 : !fir.ref<i32>
82! CHECK:                 %[[VAL_15:.*]] = fir.load %[[PRIV_J_DECL]]#0 : !fir.ref<i32>
83! CHECK:                 %[[VAL_16:.*]] = arith.addi %[[LOAD]], %[[VAL_15]] : i32
84! CHECK:                 hlfir.assign %[[VAL_16]] to %[[PRIV_X_DECL]]#0 : i32, !fir.ref<i32>
85! CHECK:                 %[[VAL_17:.*]] = arith.addi %[[VAL_13]], %[[VAL_11]] overflow<nsw> : index
86! CHECK:                 %[[STEPCAST:.*]] = fir.convert %[[VAL_11]] : (index) -> i32
87! CHECK:                 %[[IVLOAD:.*]] = fir.load %[[PRIV_J_DECL]]#1 : !fir.ref<i32>
88! CHECK:                 %[[IVINC:.*]] = arith.addi %[[IVLOAD]], %[[STEPCAST]] overflow<nsw> :
89! CHECK:                 fir.result %[[VAL_17]], %[[IVINC]] : index, i32
90! CHECK:               }
91! CHECK:               fir.store %[[VAL_12]]#1 to %[[PRIV_J_DECL]]#1 : !fir.ref<i32>
92! CHECK:               omp.yield
93! CHECK:             }
94! CHECK:           }
95! CHECK:           omp.terminator
96! CHECK:         }
97! CHECK:         return
98subroutine multiple_private_fix(gama)
99        integer :: i, j, x, gama
100!$OMP PARALLEL DO PRIVATE(j,x)
101        do i = 1, gama
102          do j = 1, gama
103            x = i + j
104          end do
105        end do
106!$OMP END PARALLEL DO
107end subroutine
108
109! CHECK-LABEL: multiple_private_fix2
110! CHECK:  %[[X1:.*]] = fir.alloca i32 {bindc_name = "x", uniq_name = "_QFmultiple_private_fix2Ex"}
111! CHECK:  %[[X1_DECL:.*]]:2 = hlfir.declare %[[X1]] {uniq_name = "_QFmultiple_private_fix2Ex"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
112! CHECK:  omp.parallel private({{.*}} {{.*}}#0 -> %[[X2:.*]] : {{.*}}) {
113! CHECK:    %[[X2_DECL:.*]]:2 = hlfir.declare %[[X2]] {uniq_name = "_QFmultiple_private_fix2Ex"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
114! CHECK:    omp.parallel private({{.*}} {{.*}}#0 -> %[[X3:.*]] : {{.*}}) {
115! CHECK:      %[[X3_DECL:.*]]:2 = hlfir.declare %[[X3]] {uniq_name = "_QFmultiple_private_fix2Ex"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
116! CHECK:      %[[C3:.*]] = arith.constant 1 : i32
117! CHECK:      hlfir.assign %[[C3]] to %[[X3_DECL]]#0 : i32, !fir.ref<i32>
118! CHECK:      omp.terminator
119! CHECK:    }
120! CHECK:      %[[C2:.*]] = arith.constant 1 : i32
121! CHECK:      hlfir.assign %[[C2]] to %[[X2_DECL]]#0 : i32, !fir.ref<i32>
122! CHECK:    omp.terminator
123! CHECK:  }
124! CHECK:      %[[C1:.*]] = arith.constant 1 : i32
125! CHECK:      hlfir.assign %[[C1]] to %[[X1_DECL]]#0 : i32, !fir.ref<i32>
126! CHECK:  return
127subroutine multiple_private_fix2()
128   integer :: x
129   !$omp parallel private(x)
130   !$omp parallel private(x)
131      x = 1
132   !$omp end parallel
133      x = 1
134   !$omp end parallel
135      x = 1
136end subroutine
137
138
139! CHECK-LABEL:   func.func @_QPsub01(
140! CHECK-SAME:                        %[[VAL_0:.*]]: !fir.ref<!fir.box<!fir.heap<!fir.char<1,?>>>> {fir.bindc_name = "aaa"}) {
141! CHECK:           %[[VAL_1:.*]] = fir.load %[[VAL_0]] : !fir.ref<!fir.box<!fir.heap<!fir.char<1,?>>>>
142! CHECK:           %[[VAL_2:.*]] = fir.box_elesize %[[VAL_1]] : (!fir.box<!fir.heap<!fir.char<1,?>>>) -> index
143! CHECK:           %[[VAL_3:.*]]:2 = hlfir.declare %[[VAL_0]] typeparams %[[VAL_2]] dummy_scope %{{[0-9]+}} {fortran_attrs = #{{.*}}<allocatable>, uniq_name = "_QFsub01Eaaa"} : (!fir.ref<!fir.box<!fir.heap<!fir.char<1,?>>>>, index, !fir.dscope) -> (!fir.ref<!fir.box<!fir.heap<!fir.char<1,?>>>>, !fir.ref<!fir.box<!fir.heap<!fir.char<1,?>>>>)
144! CHECK:           omp.parallel private(@[[BOX_HEAP_CHAR_PRIVATIZER]] %[[VAL_3]]#0 -> %{{.*}} : {{.*}}) {
145! CHECK:             omp.terminator
146! CHECK:           }
147! CHECK:           return
148! CHECK:         }
149
150subroutine sub01(aaa)
151  character(*),allocatable :: aaa
152  !$omp parallel private(aaa)
153  !$omp end parallel
154end subroutine
155
156! CHECK-LABEL:   func.func @_QPsub02(
157! CHECK-SAME:                        %[[VAL_0:.*]]: !fir.ref<!fir.box<!fir.heap<!fir.char<1,?>>>> {fir.bindc_name = "bbb"}) {
158! CHECK:           %[[VAL_1:.*]]:2 = hlfir.declare %[[VAL_0]] dummy_scope %{{[0-9]+}} {fortran_attrs = #{{.*}}<allocatable>, uniq_name = "_QFsub02Ebbb"} : (!fir.ref<!fir.box<!fir.heap<!fir.char<1,?>>>>, !fir.dscope) -> (!fir.ref<!fir.box<!fir.heap<!fir.char<1,?>>>>, !fir.ref<!fir.box<!fir.heap<!fir.char<1,?>>>>)
159! CHECK:           omp.parallel private(@{{.*}} %[[VAL_1]]#0 -> %[[PRIV_ARG:.*]] : {{.*}}) {
160! CHECK:             %{{.*}}:2 = hlfir.declare %[[PRIV_ARG]] {fortran_attrs = #fir.var_attrs<allocatable>, uniq_name = "_QFsub02Ebbb"} : (!fir.ref<!fir.box<!fir.heap<!fir.char<1,?>>>>)
161! CHECK:             omp.terminator
162! CHECK:           }
163! CHECK:           return
164! CHECK:         }
165
166subroutine sub02(bbb)
167  character(:),allocatable :: bbb
168  !$omp parallel private(bbb)
169  !$omp end parallel
170end subroutine sub02
171
172