79 lines
3.8 KiB
Fortran
79 lines
3.8 KiB
Fortran
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! RUN: bbc --use-desc-for-alloc=false -fopenmp -emit-fir -hlfir=false %s -o - | FileCheck %s
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! This test checks the lowering of atomic read
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!CHECK: func @_QQmain() attributes {fir.bindc_name = "ompatomic"} {
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!CHECK: %[[VAR_A:.*]] = fir.alloca !fir.char<1> {bindc_name = "a", uniq_name = "_QFEa"}
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!CHECK: %[[VAR_B:.*]] = fir.alloca !fir.char<1> {bindc_name = "b", uniq_name = "_QFEb"}
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!CHECK: %[[VAR_C:.*]] = fir.alloca !fir.logical<4> {bindc_name = "c", uniq_name = "_QFEc"}
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!CHECK: %[[VAR_D:.*]] = fir.alloca !fir.logical<4> {bindc_name = "d", uniq_name = "_QFEd"}
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!CHECK: %[[VAR_E:.*]] = fir.alloca !fir.char<1,8> {bindc_name = "e", uniq_name = "_QFEe"}
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!CHECK: %[[VAR_F:.*]] = fir.alloca !fir.char<1,8> {bindc_name = "f", uniq_name = "_QFEf"}
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!CHECK: %[[VAR_G:.*]] = fir.alloca f32 {bindc_name = "g", uniq_name = "_QFEg"}
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!CHECK: %[[VAR_H:.*]] = fir.alloca f32 {bindc_name = "h", uniq_name = "_QFEh"}
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!CHECK: %[[VAR_X:.*]] = fir.alloca i32 {bindc_name = "x", uniq_name = "_QFEx"}
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!CHECK: %[[VAR_Y:.*]] = fir.alloca i32 {bindc_name = "y", uniq_name = "_QFEy"}
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!CHECK: omp.atomic.read %[[VAR_X]] = %[[VAR_Y]] memory_order(acquire) hint(uncontended) : !fir.ref<i32>, i32
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!CHECK: omp.atomic.read %[[VAR_A]] = %[[VAR_B]] memory_order(relaxed) : !fir.ref<!fir.char<1>>, !fir.char<1>
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!CHECK: omp.atomic.read %[[VAR_C]] = %[[VAR_D]] memory_order(seq_cst) hint(contended) : !fir.ref<!fir.logical<4>>, !fir.logical<4>
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!CHECK: omp.atomic.read %[[VAR_E]] = %[[VAR_F]] hint(speculative) : !fir.ref<!fir.char<1,8>>, !fir.char<1,8>
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!CHECK: omp.atomic.read %[[VAR_G]] = %[[VAR_H]] hint(nonspeculative) : !fir.ref<f32>, f32
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!CHECK: omp.atomic.read %[[VAR_G]] = %[[VAR_H]] : !fir.ref<f32>, f32
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!CHECK: return
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!CHECK: }
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program OmpAtomic
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use omp_lib
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integer :: x, y
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character :: a, b
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logical :: c, d
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character(8) :: e, f
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real g, h
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!$omp atomic acquire read hint(omp_sync_hint_uncontended)
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x = y
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!$omp atomic relaxed read hint(omp_sync_hint_none)
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a = b
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!$omp atomic read seq_cst hint(omp_sync_hint_contended)
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c = d
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!$omp atomic read hint(omp_sync_hint_speculative)
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e = f
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!$omp atomic read hint(omp_sync_hint_nonspeculative)
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g = h
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!$omp atomic read
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g = h
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end program OmpAtomic
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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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!CHECK-LABEL: func.func @_QPatomic_read_pointer() {
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!CHECK: %[[VAL_0:.*]] = fir.alloca !fir.box<!fir.ptr<i32>> {bindc_name = "x", uniq_name = "_QFatomic_read_pointerEx"}
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!CHECK: %[[VAL_1:.*]] = fir.alloca !fir.ptr<i32> {uniq_name = "_QFatomic_read_pointerEx.addr"}
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!CHECK: %[[VAL_2:.*]] = fir.zero_bits !fir.ptr<i32>
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!CHECK: fir.store %[[VAL_2]] to %[[VAL_1]] : !fir.ref<!fir.ptr<i32>>
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!CHECK: %[[VAL_3:.*]] = fir.alloca !fir.box<!fir.ptr<i32>> {bindc_name = "y", uniq_name = "_QFatomic_read_pointerEy"}
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!CHECK: %[[VAL_4:.*]] = fir.alloca !fir.ptr<i32> {uniq_name = "_QFatomic_read_pointerEy.addr"}
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!CHECK: %[[VAL_5:.*]] = fir.zero_bits !fir.ptr<i32>
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!CHECK: fir.store %[[VAL_5]] to %[[VAL_4]] : !fir.ref<!fir.ptr<i32>>
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!CHECK: %[[VAL_6:.*]] = fir.load %[[VAL_1]] : !fir.ref<!fir.ptr<i32>>
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!CHECK: %[[VAL_7:.*]] = fir.load %[[VAL_4]] : !fir.ref<!fir.ptr<i32>>
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!CHECK: omp.atomic.read %[[VAL_7]] = %[[VAL_6]] : !fir.ptr<i32>, i32
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!CHECK: %[[VAL_8:.*]] = fir.load %[[VAL_4]] : !fir.ref<!fir.ptr<i32>>
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!CHECK: %[[VAL_9:.*]] = fir.load %[[VAL_8]] : !fir.ptr<i32>
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!CHECK: %[[VAL_10:.*]] = fir.load %[[VAL_1]] : !fir.ref<!fir.ptr<i32>>
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!CHECK: fir.store %[[VAL_9]] to %[[VAL_10]] : !fir.ptr<i32>
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!CHECK: return
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!CHECK: }
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subroutine atomic_read_pointer()
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integer, pointer :: x, y
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!$omp atomic read
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y = x
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x = y
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end
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