derek.holloway
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74 lines
2.3 KiB
Fortran
74 lines
2.3 KiB
Fortran
! REQUIRES: openmp_runtime
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!RUN: %flang_fc1 -emit-hlfir %openmp_flags %s -o - | FileCheck %s
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!CHECK: omp.critical.declare @help2
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!CHECK: omp.critical.declare @help1 hint(contended)
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subroutine omp_critical()
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use omp_lib
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integer :: x, y
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!CHECK: omp.critical(@help1)
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!$OMP CRITICAL(help1) HINT(omp_lock_hint_contended)
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x = x + y
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!CHECK: omp.terminator
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!$OMP END CRITICAL(help1)
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! Test that the same name can be used again
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! Also test with the zero hint expression
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!CHECK: omp.critical(@help2)
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!$OMP CRITICAL(help2) HINT(omp_lock_hint_none)
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x = x - y
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!CHECK: omp.terminator
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!$OMP END CRITICAL(help2)
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!CHECK: omp.critical
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!$OMP CRITICAL
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y = x + y
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!CHECK: omp.terminator
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!$OMP END CRITICAL
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end subroutine omp_critical
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! Tests that privatization for pre-determined variables (here `i`) is properly
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! handled.
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subroutine predetermined_privatization()
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integer :: a(10), i
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!CHECK: omp.parallel
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!$omp parallel do
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do i = 2, 10
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!CHECK: omp.wsloop private(@{{.*}} %{{.*}} -> %[[PRIV_I_ALLOC:.*]] : !fir.ref<i32>)
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!CHECK: omp.loop_nest (%[[IV:[^[:space:]]+]])
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!CHECK: %[[PRIV_I_DECL:.*]]:2 = hlfir.declare %[[PRIV_I_ALLOC]]
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!CHECK: hlfir.assign %[[IV]] to %[[PRIV_I_DECL]]#0
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!CHECK: omp.critical
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!$omp critical
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a(i) = a(i-1) + 1
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!$omp end critical
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end do
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!$omp end parallel do
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end
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! https://github.com/llvm/llvm-project/issues/75767
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!CHECK-LABEL: func @_QPparallel_critical_privatization(
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subroutine parallel_critical_privatization()
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integer :: i
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!CHECK: %[[I:.*]] = fir.alloca i32 {bindc_name = "i", uniq_name = "_QFparallel_critical_privatizationEi"}
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!CHECK: %[[I_DECL:.*]]:2 = hlfir.declare %[[I]] {uniq_name = "_QFparallel_critical_privatizationEi"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
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!CHECK: omp.parallel private(@{{.*}} %[[I_DECL]]#0 -> %[[PRIV_I:.*]] : !fir.ref<i32>) {
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!CHECK: %[[PRIV_I_DECL:.*]]:2 = hlfir.declare %[[PRIV_I]] {uniq_name = "_QFparallel_critical_privatizationEi"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
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!$omp parallel default(firstprivate)
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!CHECK: omp.critical {
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!$omp critical
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!CHECK: %[[C200:.*]] = arith.constant 200 : i32
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!CHECK: hlfir.assign %[[C200]] to %[[PRIV_I_DECL]]#0 : i32, !fir.ref<i32>
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i = 200
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!CHECK: }
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!$omp end critical
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!CHECK: }
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!$omp end parallel
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end subroutine
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