derek.holloway
7502bf64a4
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59 lines
3.0 KiB
Fortran
59 lines
3.0 KiB
Fortran
! RUN: bbc -fopenacc -emit-hlfir %s -o - | FileCheck %s
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! This test checks the lowering of atomic read
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program acc_atomic_test
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real g, h
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!$acc atomic read
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g = h
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end program acc_atomic_test
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! CHECK: func @_QQmain() attributes {fir.bindc_name = "ACC_ATOMIC_TEST"} {
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! CHECK: %[[VAR_G:.*]] = fir.alloca f32 {bindc_name = "g", uniq_name = "_QFEg"}
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! CHECK: %[[G_DECL:.*]]:2 = hlfir.declare %[[VAR_G]] {uniq_name = "_QFEg"} : (!fir.ref<f32>) -> (!fir.ref<f32>, !fir.ref<f32>)
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! CHECK: %[[VAR_H:.*]] = fir.alloca f32 {bindc_name = "h", uniq_name = "_QFEh"}
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! CHECK: %[[H_DECL:.*]]:2 = hlfir.declare %[[VAR_H]] {uniq_name = "_QFEh"} : (!fir.ref<f32>) -> (!fir.ref<f32>, !fir.ref<f32>)
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! CHECK: acc.atomic.read %[[G_DECL]]#0 = %[[H_DECL]]#0 : !fir.ref<f32>, !fir.ref<f32>, f32
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! CHECK: return
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! CHECK: }
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! Test lowering atomic read for pointer variables.
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! Please notice to use %[[VAL_4]] and %[[VAL_1]] for operands of atomic
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! operation, instead of %[[VAL_3]] and %[[VAL_0]].
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subroutine atomic_read_pointer()
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integer, pointer :: x, y
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!$acc atomic read
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y = x
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x = y
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end
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! CHECK-LABEL: func.func @_QPatomic_read_pointer() {
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! CHECK: %[[X:.*]] = fir.alloca !fir.box<!fir.ptr<i32>> {bindc_name = "x", uniq_name = "_QFatomic_read_pointerEx"}
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! 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>>>)
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! CHECK: %[[Y:.*]] = fir.alloca !fir.box<!fir.ptr<i32>> {bindc_name = "y", uniq_name = "_QFatomic_read_pointerEy"}
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! 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>>>)
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! CHECK: %[[LOAD_X:.*]] = fir.load %[[X_DECL]]#0 : !fir.ref<!fir.box<!fir.ptr<i32>>>
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! CHECK: %[[BOX_ADDR_X:.*]] = fir.box_addr %[[LOAD_X]] : (!fir.box<!fir.ptr<i32>>) -> !fir.ptr<i32>
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! CHECK: %[[LOAD_Y:.*]] = fir.load %[[Y_DECL]]#0 : !fir.ref<!fir.box<!fir.ptr<i32>>>
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! CHECK: %[[BOX_ADDR_Y:.*]] = fir.box_addr %[[LOAD_Y]] : (!fir.box<!fir.ptr<i32>>) -> !fir.ptr<i32>
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! CHECK: acc.atomic.read %[[BOX_ADDR_Y]] = %[[BOX_ADDR_X]] : !fir.ptr<i32>, !fir.ptr<i32>, i32
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! CHECK: }
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subroutine atomic_read_with_cast()
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integer(4) :: x
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integer(8) :: y
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!$acc atomic read
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y = x
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end
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! CHECK-LABEL: func.func @_QPatomic_read_with_cast() {
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! CHECK: %[[X:.*]] = fir.alloca i32 {bindc_name = "x", uniq_name = "_QFatomic_read_with_castEx"}
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! CHECK: %[[X_DECL:.*]]:2 = hlfir.declare %[[X]] {uniq_name = "_QFatomic_read_with_castEx"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
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! CHECK: %[[Y:.*]] = fir.alloca i64 {bindc_name = "y", uniq_name = "_QFatomic_read_with_castEy"}
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! CHECK: %[[Y_DECL:.*]]:2 = hlfir.declare %[[Y]] {uniq_name = "_QFatomic_read_with_castEy"} : (!fir.ref<i64>) -> (!fir.ref<i64>, !fir.ref<i64>)
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! CHECK: acc.atomic.read %[[Y_DECL]]#0 = %[[X_DECL]]#0 : !fir.ref<i64>, !fir.ref<i32>, i32
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