Files
clang-p2996/flang/test/Lower/OpenMP/atomic-read.f90
Michael Klemm fb5fd2d82f [flang][OpenMP] Compile proper omp_lib.mod from the openmp/src/include sources (#80874)
This PR changes the build system to use use the sources for the module
`omp_lib` and the `omp_lib.h` include file from the `openmp` runtime
project and not from a separate copy of these files. This will greatly
reduce potential for inconsistencies when adding features to the OpenMP
runtime implementation.

When the OpenMP subproject is not configured, this PR also disables the
corresponding LIT tests with a "REQUIRES" directive at the beginning of
the OpenMP test files.

---------

Co-authored-by: Valentin Clement (バレンタイン クレメン) <clementval@gmail.com>
2024-03-20 13:47:26 +01:00

92 lines
6.1 KiB
Fortran

! REQUIRES: openmp_runtime
! RUN: bbc -fopenmp -emit-hlfir %s -o - | FileCheck %s
! This test checks the lowering of atomic read
!CHECK: func @_QQmain() attributes {fir.bindc_name = "ompatomic"} {
!CHECK: %[[A_C1:.*]] = arith.constant 1 : index
!CHECK: %[[A_REF:.*]] = fir.alloca !fir.char<1> {bindc_name = "a", uniq_name = "_QFEa"}
!CHECK: %[[A_DECL:.*]]:2 = hlfir.declare %[[A_REF]] typeparams %[[A_C1]] {uniq_name = "_QFEa"} : (!fir.ref<!fir.char<1>>, index) -> (!fir.ref<!fir.char<1>>, !fir.ref<!fir.char<1>>)
!CHECK: %[[B_C1:.*]] = arith.constant 1 : index
!CHECK: %[[B_REF:.*]] = fir.alloca !fir.char<1> {bindc_name = "b", uniq_name = "_QFEb"}
!CHECK: %[[B_DECL:.*]]:2 = hlfir.declare %[[B_REF]] typeparams %[[B_C1]] {uniq_name = "_QFEb"} : (!fir.ref<!fir.char<1>>, index) -> (!fir.ref<!fir.char<1>>, !fir.ref<!fir.char<1>>)
!CHECK: %[[C_REF:.*]] = fir.alloca !fir.logical<4> {bindc_name = "c", uniq_name = "_QFEc"}
!CHECK: %[[C_DECL:.*]]:2 = hlfir.declare %[[C_REF]] {uniq_name = "_QFEc"} : (!fir.ref<!fir.logical<4>>) -> (!fir.ref<!fir.logical<4>>, !fir.ref<!fir.logical<4>>)
!CHECK: %[[D_REF:.*]] = fir.alloca !fir.logical<4> {bindc_name = "d", uniq_name = "_QFEd"}
!CHECK: %[[D_DECL:.*]]:2 = hlfir.declare %[[D_REF]] {uniq_name = "_QFEd"} : (!fir.ref<!fir.logical<4>>) -> (!fir.ref<!fir.logical<4>>, !fir.ref<!fir.logical<4>>)
!CHECK: %[[E_C8:.*]] = arith.constant 8 : index
!CHECK: %[[E_REF:.*]] = fir.alloca !fir.char<1,8> {bindc_name = "e", uniq_name = "_QFEe"}
!CHECK: %[[E_DECL:.*]]:2 = hlfir.declare %[[E_REF]] typeparams %[[E_C8]] {uniq_name = "_QFEe"} : (!fir.ref<!fir.char<1,8>>, index) -> (!fir.ref<!fir.char<1,8>>, !fir.ref<!fir.char<1,8>>)
!CHECK: %[[F_C8:.*]] = arith.constant 8 : index
!CHECK: %[[F_REF:.*]] = fir.alloca !fir.char<1,8> {bindc_name = "f", uniq_name = "_QFEf"}
!CHECK: %[[F_DECL:.*]]:2 = hlfir.declare %[[F_REF]] typeparams %[[F_C8]] {uniq_name = "_QFEf"} : (!fir.ref<!fir.char<1,8>>, index) -> (!fir.ref<!fir.char<1,8>>, !fir.ref<!fir.char<1,8>>)
!CHECK: %[[G_REF:.*]] = fir.alloca f32 {bindc_name = "g", uniq_name = "_QFEg"}
!CHECK: %[[G_DECL:.*]]:2 = hlfir.declare %[[G_REF]] {uniq_name = "_QFEg"} : (!fir.ref<f32>) -> (!fir.ref<f32>, !fir.ref<f32>)
!CHECK: %[[H_REF:.*]] = fir.alloca f32 {bindc_name = "h", uniq_name = "_QFEh"}
!CHECK: %[[H_DECL:.*]]:2 = hlfir.declare %[[H_REF]] {uniq_name = "_QFEh"} : (!fir.ref<f32>) -> (!fir.ref<f32>, !fir.ref<f32>)
!CHECK: %[[X_REF:.*]] = fir.alloca i32 {bindc_name = "x", uniq_name = "_QFEx"}
!CHECK: %[[X_DECL:.*]]:2 = hlfir.declare %[[X_REF]] {uniq_name = "_QFEx"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
!CHECK: %[[Y_REF:.*]] = fir.alloca i32 {bindc_name = "y", uniq_name = "_QFEy"}
!CHECK: %[[Y_DECL:.*]]:2 = hlfir.declare %[[Y_REF]] {uniq_name = "_QFEy"} : (!fir.ref<i32>) -> (!fir.ref<i32>, !fir.ref<i32>)
!CHECK: omp.atomic.read %[[X_DECL]]#1 = %[[Y_DECL]]#1 memory_order(acquire) hint(uncontended) : !fir.ref<i32>, i32
!CHECK: omp.atomic.read %[[A_DECL]]#1 = %[[B_DECL]]#1 memory_order(relaxed) : !fir.ref<!fir.char<1>>, !fir.char<1>
!CHECK: omp.atomic.read %[[C_DECL]]#1 = %[[D_DECL]]#1 memory_order(seq_cst) hint(contended) : !fir.ref<!fir.logical<4>>, !fir.logical<4>
!CHECK: omp.atomic.read %[[E_DECL]]#1 = %[[F_DECL]]#1 hint(speculative) : !fir.ref<!fir.char<1,8>>, !fir.char<1,8>
!CHECK: omp.atomic.read %[[G_DECL]]#1 = %[[H_DECL]]#1 hint(nonspeculative) : !fir.ref<f32>, f32
!CHECK: omp.atomic.read %[[G_DECL]]#1 = %[[H_DECL]]#1 : !fir.ref<f32>, f32
program OmpAtomic
use omp_lib
integer :: x, y
character :: a, b
logical :: c, d
character(8) :: e, f
real g, h
!$omp atomic acquire read hint(omp_sync_hint_uncontended)
x = y
!$omp atomic relaxed read hint(omp_sync_hint_none)
a = b
!$omp atomic read seq_cst hint(omp_sync_hint_contended)
c = d
!$omp atomic read hint(omp_sync_hint_speculative)
e = f
!$omp atomic read hint(omp_sync_hint_nonspeculative)
g = h
!$omp atomic read
g = h
end program OmpAtomic
! 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]].
!CHECK-LABEL: func.func @_QPatomic_read_pointer() {
!CHECK: %[[X_REF:.*]] = fir.alloca !fir.box<!fir.ptr<i32>> {bindc_name = "x", uniq_name = "_QFatomic_read_pointerEx"}
!CHECK: fir.store %2 to %0 : !fir.ref<!fir.box<!fir.ptr<i32>>>
!CHECK: %[[X_DECL:.*]]:2 = hlfir.declare %[[X_REF]] {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_REF:.*]] = fir.alloca !fir.box<!fir.ptr<i32>> {bindc_name = "y", uniq_name = "_QFatomic_read_pointerEy"}
!CHECK: %[[Y_DECL:.*]]:2 = hlfir.declare %[[Y_REF]] {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: %[[X_ADDR:.*]] = fir.load %[[X_DECL]]#0 : !fir.ref<!fir.box<!fir.ptr<i32>>>
!CHECK: %[[X_POINTEE_ADDR:.*]] = fir.box_addr %[[X_ADDR]] : (!fir.box<!fir.ptr<i32>>) -> !fir.ptr<i32>
!CHECK: %[[Y_ADDR:.*]] = fir.load %[[Y_DECL]]#0 : !fir.ref<!fir.box<!fir.ptr<i32>>>
!CHECK: %[[Y_POINTEE_ADDR:.*]] = fir.box_addr %[[Y_ADDR]] : (!fir.box<!fir.ptr<i32>>) -> !fir.ptr<i32>
!CHECK: omp.atomic.read %[[Y_POINTEE_ADDR]] = %[[X_POINTEE_ADDR]] : !fir.ptr<i32>, i32
!CHECK: %[[Y_ADDR:.*]] = fir.load %[[Y_DECL]]#0 : !fir.ref<!fir.box<!fir.ptr<i32>>>
!CHECK: %[[Y_POINTEE_ADDR:.*]] = fir.box_addr %[[Y_ADDR]] : (!fir.box<!fir.ptr<i32>>) -> !fir.ptr<i32>
!CHECK: %[[Y_POINTEE_VAL:.*]] = fir.load %[[Y_POINTEE_ADDR]] : !fir.ptr<i32>
!CHECK: %[[X_ADDR:.*]] = fir.load %[[X_DECL]]#0 : !fir.ref<!fir.box<!fir.ptr<i32>>>
!CHECK: %[[X_POINTEE_ADDR:.*]] = fir.box_addr %[[X_ADDR]] : (!fir.box<!fir.ptr<i32>>
!CHECK: hlfir.assign %[[Y_POINTEE_VAL]] to %[[X_POINTEE_ADDR]] : i32, !fir.ptr<i32>
subroutine atomic_read_pointer()
integer, pointer :: x, y
!$omp atomic read
y = x
x = y
end