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Revert "Remove OpenACC tests" #195

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Revert "Remove OpenACC tests" #195

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219 changes: 219 additions & 0 deletions flang/test/Lower/OpenACC/acc-atomic-capture.f90
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! RUN: %flang_fc1 -I nowhere -emit-hlfir -fopenacc %s -o - | FileCheck %s

! This test checks the lowering of atomic capture

program acc_atomic_capture_test
integer :: x, y

!CHECK: %[[X:.*]] = fir.alloca i32 {bindc_name = "x", uniq_name = "_QFEx"}
!CHECK: %[[X_DECL:.*]]:2 = hlfir.declare %0 {uniq_name = "_QFEx"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
!CHECK: %[[Y:.*]] = fir.alloca i32 {bindc_name = "y", uniq_name = "_QFEy"}
!CHECK: %[[Y_DECL:.*]]:2 = hlfir.declare %2 {uniq_name = "_QFEy"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
!CHECK: %[[temp:.*]] = fir.load %[[X_DECL]]#0 : !fir.ref<i32>
!CHECK: acc.atomic.capture {
!CHECK: acc.atomic.read %[[X_DECL]]#1 = %[[Y_DECL]]#1 : !fir.ref<i32>
!CHECK: acc.atomic.update %[[Y_DECL]]#1 : !fir.ref<i32> {
!CHECK: ^bb0(%[[ARG:.*]]: i32):
!CHECK: %[[result:.*]] = arith.addi %[[temp]], %[[ARG]] : i32
!CHECK: acc.yield %[[result]] : i32
!CHECK: }
!CHECK: }

!$acc atomic capture
x = y
y = x + y
!$acc end atomic


!CHECK: %[[temp:.*]] = fir.load %[[X_DECL]]#0 : !fir.ref<i32>
!CHECK: acc.atomic.capture {
!CHECK: acc.atomic.update %[[Y_DECL]]#1 : !fir.ref<i32> {
!CHECK: ^bb0(%[[ARG:.*]]: i32):
!CHECK: %[[result:.*]] = arith.muli %[[temp]], %[[ARG]] : i32
!CHECK: acc.yield %[[result]] : i32
!CHECK: }
!CHECK: acc.atomic.read %[[X_DECL]]#1 = %[[Y_DECL]]#1 : !fir.ref<i32>
!CHECK: }

!$acc atomic capture
y = x * y
x = y
!$acc end atomic

!CHECK: %[[constant_20:.*]] = arith.constant 20 : i32
!CHECK: %[[constant_8:.*]] = arith.constant 8 : i32
!CHECK: %[[temp:.*]] = fir.load %[[X_DECL]]#0 : !fir.ref<i32>
!CHECK: %[[result:.*]] = arith.subi %[[constant_8]], %[[temp]] : i32
!CHECK: %[[result_noreassoc:.*]] = hlfir.no_reassoc %[[result]] : i32
!CHECK: %[[result:.*]] = arith.addi %[[constant_20]], %[[result_noreassoc]] : i32
!CHECK: acc.atomic.capture {
!CHECK: acc.atomic.read %[[X_DECL]]#1 = %[[Y_DECL]]#1 : !fir.ref<i32>
!CHECK: acc.atomic.write %[[Y_DECL]]#1 = %[[result]] : !fir.ref<i32>, i32
!CHECK: }

!$acc atomic capture
x = y
y = 2 * 10 + (8 - x)
!$acc end atomic
end program



subroutine pointers_in_atomic_capture()
!CHECK: %[[A:.*]] = fir.alloca !fir.box<!fir.ptr<i32>> {bindc_name = "a", uniq_name = "_QFpointers_in_atomic_captureEa"}
!CHECK: %[[A_DECL:.*]]:2 = hlfir.declare %[[A]] {fortran_attrs = #fir.var_attrs<pointer>, uniq_name = "_QFpointers_in_atomic_captureEa"} : (!fir.ref<!fir.box<!fir.ptr<i32>>>) -> (!fir.ref<!fir.box<!fir.ptr<i32>>>, !fir.ref<!fir.box<!fir.ptr<i32>>>)
!CHECK: %[[B:.*]] = fir.alloca !fir.box<!fir.ptr<i32>> {bindc_name = "b", uniq_name = "_QFpointers_in_atomic_captureEb"}
!CHECK: %[[B_DECL:.*]]:2 = hlfir.declare %[[B]] {fortran_attrs = #fir.var_attrs<pointer>, uniq_name = "_QFpointers_in_atomic_captureEb"} : (!fir.ref<!fir.box<!fir.ptr<i32>>>) -> (!fir.ref<!fir.box<!fir.ptr<i32>>>, !fir.ref<!fir.box<!fir.ptr<i32>>>)
!CHECK: %[[C:.*]] = fir.alloca i32 {bindc_name = "c", fir.target, uniq_name = "_QFpointers_in_atomic_captureEc"}
!CHECK: %[[C_DECL:.*]]:2 = hlfir.declare %[[C]] {fortran_attrs = #fir.var_attrs<target>, uniq_name = "_QFpointers_in_atomic_captureEc"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
!CHECK: %[[D:.*]] = fir.alloca i32 {bindc_name = "d", fir.target, uniq_name = "_QFpointers_in_atomic_captureEd"}
!CHECK: %[[D_DECL:.*]]:2 = hlfir.declare %[[D]] {fortran_attrs = #fir.var_attrs<target>, uniq_name = "_QFpointers_in_atomic_captureEd"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)

!CHECK: %[[loaded_A:.*]] = fir.load %[[A_DECL]]#0 : !fir.ref<!fir.box<!fir.ptr<i32>>>
!CHECK: %[[loaded_A_addr:.*]] = fir.box_addr %[[loaded_A]] : (!fir.box<!fir.ptr<i32>>) -> !fir.ptr<i32>
!CHECK: %[[loaded_B:.*]] = fir.load %[[B_DECL]]#0 : !fir.ref<!fir.box<!fir.ptr<i32>>>
!CHECK: %[[loaded_B_addr:.*]] = fir.box_addr %[[loaded_B]] : (!fir.box<!fir.ptr<i32>>) -> !fir.ptr<i32>
!CHECK: %[[PRIVATE_LOADED_B:.*]] = fir.load %[[B_DECL]]#0 : !fir.ref<!fir.box<!fir.ptr<i32>>>
!CHECK: %[[PRIVATE_LOADED_B_addr:.*]] = fir.box_addr %[[PRIVATE_LOADED_B]] : (!fir.box<!fir.ptr<i32>>) -> !fir.ptr<i32>
!CHECK: %[[loaded_value:.*]] = fir.load %[[PRIVATE_LOADED_B_addr]] : !fir.ptr<i32>
!CHECK: acc.atomic.capture {
!CHECK: acc.atomic.update %[[loaded_A_addr]] : !fir.ptr<i32> {
!CHECK: ^bb0(%[[ARG:.*]]: i32):
!CHECK: %[[result:.*]] = arith.addi %[[ARG]], %[[loaded_value]] : i32
!CHECK: acc.yield %[[result]] : i32
!CHECK: }
!CHECK: acc.atomic.read %[[loaded_B_addr]] = %[[loaded_A_addr]] : !fir.ptr<i32>, i32
!CHECK: }
integer, pointer :: a, b
integer, target :: c, d
a=>c
b=>d

!$acc atomic capture
a = a + b
b = a
!$acc end atomic
end subroutine


subroutine capture_with_convert_f32_to_i32()
implicit none
integer :: k, v, i

k = 1
v = 0

!$acc atomic capture
v = k
k = (i + 1) * 3.14
!$acc end atomic
end subroutine

! CHECK-LABEL: func.func @_QPcapture_with_convert_f32_to_i32()
! CHECK: %[[K:.*]] = fir.alloca i32 {bindc_name = "k", uniq_name = "_QFcapture_with_convert_f32_to_i32Ek"}
! CHECK: %[[K_DECL:.*]]:2 = hlfir.declare %[[K]] {uniq_name = "_QFcapture_with_convert_f32_to_i32Ek"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
! CHECK: %[[V:.*]] = fir.alloca i32 {bindc_name = "v", uniq_name = "_QFcapture_with_convert_f32_to_i32Ev"}
! CHECK: %[[V_DECL:.*]]:2 = hlfir.declare %[[V]] {uniq_name = "_QFcapture_with_convert_f32_to_i32Ev"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
! CHECK: %[[CST:.*]] = arith.constant 3.140000e+00 : f32
! CHECK: %[[MUL:.*]] = arith.mulf %{{.*}}, %[[CST]] fastmath<contract> : f32
! CHECK: %[[CONV:.*]] = fir.convert %[[MUL]] : (f32) -> i32
! CHECK: acc.atomic.capture {
! CHECK: acc.atomic.read %[[V_DECL]]#1 = %[[K_DECL]]#1 : !fir.ref<i32>, i32
! CHECK: acc.atomic.write %[[K_DECL]]#1 = %[[CONV]] : !fir.ref<i32>, i32
! CHECK: }

subroutine array_ref_in_atomic_capture1
integer :: x(10), v
!$acc atomic capture
v = x(7)
x(7) = x(7) + 1
!$acc end atomic
end subroutine array_ref_in_atomic_capture1
! CHECK-LABEL: func.func @_QParray_ref_in_atomic_capture1() {
! CHECK: %[[V:.*]] = fir.alloca i32 {bindc_name = "v", uniq_name = "_QFarray_ref_in_atomic_capture1Ev"}
! CHECK: %[[V_DECL:.*]]:2 = hlfir.declare %[[V]] {uniq_name = "_QFarray_ref_in_atomic_capture1Ev"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
! CHECK: %[[X:.*]] = fir.alloca !fir.array<10xi32> {bindc_name = "x", uniq_name = "_QFarray_ref_in_atomic_capture1Ex"}
! CHECK: %[[X_DECL:.*]]:2 = hlfir.declare %[[X]](%{{.*}}) {uniq_name = "_QFarray_ref_in_atomic_capture1Ex"} : (!fir.ref<!fir.array<10xi32>>, !fir.shape<1>) -> (!fir.ref<!fir.array<10xi32>>, !fir.ref<!fir.array<10xi32>>)
! CHECK: %[[X_REF:.*]] = hlfir.designate %[[X_DECL]]#0 (%{{.*}}) : (!fir.ref<!fir.array<10xi32>>, index) -> !fir.ref<i32>
! CHECK: acc.atomic.capture {
! CHECK: acc.atomic.read %[[V_DECL]]#1 = %[[X_REF]] : !fir.ref<i32>, i32
! CHECK: acc.atomic.update %[[X_REF]] : !fir.ref<i32> {
! CHECK: ^bb0(%[[VAL_7:.*]]: i32):
! CHECK: %[[VAL_8:.*]] = arith.addi %[[VAL_7]], %{{.*}} : i32
! CHECK: acc.yield %[[VAL_8]] : i32
! CHECK: }
! CHECK: }

subroutine array_ref_in_atomic_capture2
integer :: x(10), v
!$acc atomic capture
x(7) = x(7) + 1
v = x(7)
!$acc end atomic
end subroutine array_ref_in_atomic_capture2
! CHECK-LABEL: func.func @_QParray_ref_in_atomic_capture2() {
! CHECK: %[[V:.*]] = fir.alloca i32 {bindc_name = "v", uniq_name = "_QFarray_ref_in_atomic_capture2Ev"}
! CHECK: %[[V_DECL:.*]]:2 = hlfir.declare %[[V]] {uniq_name = "_QFarray_ref_in_atomic_capture2Ev"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
! CHECK: %[[X:.*]] = fir.alloca !fir.array<10xi32> {bindc_name = "x", uniq_name = "_QFarray_ref_in_atomic_capture2Ex"}
! CHECK: %[[X_DECL:.*]]:2 = hlfir.declare %[[X]](%{{.*}}) {uniq_name = "_QFarray_ref_in_atomic_capture2Ex"} : (!fir.ref<!fir.array<10xi32>>, !fir.shape<1>) -> (!fir.ref<!fir.array<10xi32>>, !fir.ref<!fir.array<10xi32>>)
! CHECK: %[[X_REF:.*]] = hlfir.designate %[[X_DECL]]#0 (%{{.*}}) : (!fir.ref<!fir.array<10xi32>>, index) -> !fir.ref<i32>
! CHECK: acc.atomic.capture {
! CHECK: acc.atomic.update %[[X_REF]] : !fir.ref<i32> {
! CHECK: ^bb0(%[[VAL_7:.*]]: i32):
! CHECK: %[[VAL_8:.*]] = arith.addi %[[VAL_7]], %{{.*}} : i32
! CHECK: acc.yield %[[VAL_8]] : i32
! CHECK: }
! CHECK: acc.atomic.read %[[V_DECL]]#1 = %[[X_REF]] : !fir.ref<i32>, i32
! CHECK: }

subroutine comp_ref_in_atomic_capture1
type t1
integer :: c
end type t1
integer :: v
type(t1) :: x
!$acc atomic capture
v = x%c
x%c = x%c + 1
!$acc end atomic
end subroutine comp_ref_in_atomic_capture1
! CHECK-LABEL: func.func @_QPcomp_ref_in_atomic_capture1() {
! CHECK: %[[V:.*]] = fir.alloca i32 {bindc_name = "v", uniq_name = "_QFcomp_ref_in_atomic_capture1Ev"}
! CHECK: %[[V_DECL:.*]]:2 = hlfir.declare %[[V]] {uniq_name = "_QFcomp_ref_in_atomic_capture1Ev"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
! CHECK: %[[X:.*]] = fir.alloca !fir.type<_QFcomp_ref_in_atomic_capture1Tt1{c:i32}> {bindc_name = "x", uniq_name = "_QFcomp_ref_in_atomic_capture1Ex"}
! CHECK: %[[X_DECL:.*]]:2 = hlfir.declare %[[X]] {uniq_name = "_QFcomp_ref_in_atomic_capture1Ex"} : (!fir.ref<!fir.type<_QFcomp_ref_in_atomic_capture1Tt1{c:i32}>>) -> (!fir.ref<!fir.type<_QFcomp_ref_in_atomic_capture1Tt1{c:i32}>>, !fir.ref<!fir.type<_QFcomp_ref_in_atomic_capture1Tt1{c:i32}>>)
! CHECK: %[[C:.*]] = hlfir.designate %[[X_DECL]]#0{"c"} : (!fir.ref<!fir.type<_QFcomp_ref_in_atomic_capture1Tt1{c:i32}>>) -> !fir.ref<i32>
! CHECK: acc.atomic.capture {
! CHECK: acc.atomic.read %[[V_DECL]]#1 = %[[C]] : !fir.ref<i32>, i32
! CHECK: acc.atomic.update %[[C]] : !fir.ref<i32> {
! CHECK: ^bb0(%[[VAL_5:.*]]: i32):
! CHECK: %[[VAL_6:.*]] = arith.addi %[[VAL_5]], %{{.*}} : i32
! CHECK: acc.yield %[[VAL_6]] : i32
! CHECK: }
! CHECK: }

subroutine comp_ref_in_atomic_capture2
type t1
integer :: c
end type t1
integer :: v
type(t1) :: x
!$acc atomic capture
x%c = x%c + 1
v = x%c
!$acc end atomic
end subroutine comp_ref_in_atomic_capture2
! CHECK-LABEL: func.func @_QPcomp_ref_in_atomic_capture2() {
! CHECK: %[[V:.*]] = fir.alloca i32 {bindc_name = "v", uniq_name = "_QFcomp_ref_in_atomic_capture2Ev"}
! CHECK: %[[V_DECL:.*]]:2 = hlfir.declare %[[V]] {uniq_name = "_QFcomp_ref_in_atomic_capture2Ev"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
! CHECK: %[[X:.*]] = fir.alloca !fir.type<_QFcomp_ref_in_atomic_capture2Tt1{c:i32}> {bindc_name = "x", uniq_name = "_QFcomp_ref_in_atomic_capture2Ex"}
! CHECK: %[[X_DECL:.*]]:2 = hlfir.declare %[[X]] {uniq_name = "_QFcomp_ref_in_atomic_capture2Ex"} : (!fir.ref<!fir.type<_QFcomp_ref_in_atomic_capture2Tt1{c:i32}>>) -> (!fir.ref<!fir.type<_QFcomp_ref_in_atomic_capture2Tt1{c:i32}>>, !fir.ref<!fir.type<_QFcomp_ref_in_atomic_capture2Tt1{c:i32}>>)
! CHECK: %[[C:.*]] = hlfir.designate %[[X_DECL]]#0{"c"} : (!fir.ref<!fir.type<_QFcomp_ref_in_atomic_capture2Tt1{c:i32}>>) -> !fir.ref<i32>
! CHECK: acc.atomic.capture {
! CHECK: acc.atomic.update %[[C]] : !fir.ref<i32> {
! CHECK: ^bb0(%[[VAL_5:.*]]: i32):
! CHECK: %[[VAL_6:.*]] = arith.addi %[[VAL_5]], %{{.*}} : i32
! CHECK: acc.yield %[[VAL_6]] : i32
! CHECK: }
! CHECK: acc.atomic.read %[[V_DECL]]#1 = %[[C]] : !fir.ref<i32>, i32
! CHECK: }
59 changes: 59 additions & 0 deletions flang/test/Lower/OpenACC/acc-atomic-read.f90
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! RUN: bbc -fopenacc -emit-hlfir %s -o - | FileCheck %s

! This test checks the lowering of atomic read

program acc_atomic_test
real g, h
!$acc atomic read
g = h
end program acc_atomic_test

! CHECK: func @_QQmain() attributes {fir.bindc_name = "acc_atomic_test"} {
! CHECK: %[[VAR_G:.*]] = fir.alloca f32 {bindc_name = "g", uniq_name = "_QFEg"}
! CHECK: %[[G_DECL:.*]]:2 = hlfir.declare %[[VAR_G]] {uniq_name = "_QFEg"} : (!fir.ref<f32>) -> (!fir.ref<f32>, !fir.ref<f32>)
! CHECK: %[[VAR_H:.*]] = fir.alloca f32 {bindc_name = "h", uniq_name = "_QFEh"}
! CHECK: %[[H_DECL:.*]]:2 = hlfir.declare %[[VAR_H]] {uniq_name = "_QFEh"} : (!fir.ref<f32>) -> (!fir.ref<f32>, !fir.ref<f32>)
! CHECK: acc.atomic.read %[[G_DECL]]#1 = %[[H_DECL]]#1 : !fir.ref<f32>, f32
! CHECK: return
! CHECK: }

! Test lowering atomic read for pointer variables.
! Please notice to use %[[VAL_4]] and %[[VAL_1]] for operands of atomic
! operation, instead of %[[VAL_3]] and %[[VAL_0]].

subroutine atomic_read_pointer()
integer, pointer :: x, y

!$acc atomic read
y = x

x = y
end

! CHECK-LABEL: func.func @_QPatomic_read_pointer() {
! CHECK: %[[X:.*]] = fir.alloca !fir.box<!fir.ptr<i32>> {bindc_name = "x", uniq_name = "_QFatomic_read_pointerEx"}
! CHECK: %[[X_DECL:.*]]:2 = hlfir.declare %[[X]] {fortran_attrs = #fir.var_attrs<pointer>, uniq_name = "_QFatomic_read_pointerEx"} : (!fir.ref<!fir.box<!fir.ptr<i32>>>) -> (!fir.ref<!fir.box<!fir.ptr<i32>>>, !fir.ref<!fir.box<!fir.ptr<i32>>>)
! CHECK: %[[Y:.*]] = fir.alloca !fir.box<!fir.ptr<i32>> {bindc_name = "y", uniq_name = "_QFatomic_read_pointerEy"}
! CHECK: %[[Y_DECL:.*]]:2 = hlfir.declare %[[Y]] {fortran_attrs = #fir.var_attrs<pointer>, uniq_name = "_QFatomic_read_pointerEy"} : (!fir.ref<!fir.box<!fir.ptr<i32>>>) -> (!fir.ref<!fir.box<!fir.ptr<i32>>>, !fir.ref<!fir.box<!fir.ptr<i32>>>)
! CHECK: %[[LOAD_X:.*]] = fir.load %[[X_DECL]]#0 : !fir.ref<!fir.box<!fir.ptr<i32>>>
! CHECK: %[[BOX_ADDR_X:.*]] = fir.box_addr %[[LOAD_X]] : (!fir.box<!fir.ptr<i32>>) -> !fir.ptr<i32>
! CHECK: %[[LOAD_Y:.*]] = fir.load %[[Y_DECL]]#0 : !fir.ref<!fir.box<!fir.ptr<i32>>>
! CHECK: %[[BOX_ADDR_Y:.*]] = fir.box_addr %[[LOAD_Y]] : (!fir.box<!fir.ptr<i32>>) -> !fir.ptr<i32>
! CHECK: acc.atomic.read %[[BOX_ADDR_Y]] = %[[BOX_ADDR_X]] : !fir.ptr<i32>, i32
! CHECK: }

subroutine atomic_read_with_convert()
integer(4) :: x
integer(8) :: y

!$acc atomic read
y = x
end

! CHECK-LABEL: func.func @_QPatomic_read_with_convert() {
! CHECK: %[[X:.*]] = fir.alloca i32 {bindc_name = "x", uniq_name = "_QFatomic_read_with_convertEx"}
! CHECK: %[[X_DECL:.*]]:2 = hlfir.declare %[[X]] {uniq_name = "_QFatomic_read_with_convertEx"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
! CHECK: %[[Y:.*]] = fir.alloca i64 {bindc_name = "y", uniq_name = "_QFatomic_read_with_convertEy"}
! CHECK: %[[Y_DECL:.*]]:2 = hlfir.declare %[[Y]] {uniq_name = "_QFatomic_read_with_convertEy"} : (!fir.ref<i64>) -> (!fir.ref<i64>, !fir.ref<i64>)
! CHECK: %[[CONV:.*]] = fir.convert %[[X_DECL]]#1 : (!fir.ref<i32>) -> !fir.ref<i64>
! CHECK: acc.atomic.read %[[Y_DECL]]#1 = %[[CONV]] : !fir.ref<i64>, i32
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