[llvm-branch-commits] [flang] [MLIR][OpenMP] Add Lowering support for OpenMP Declare Mapper directive (PR #117046)
Sergio Afonso via llvm-branch-commits
llvm-branch-commits at lists.llvm.org
Tue Feb 11 06:12:25 PST 2025
================
@@ -0,0 +1,85 @@
+! This test checks lowering of OpenMP declare mapper Directive.
+
+! RUN: split-file %s %t
+! RUN: %flang_fc1 -emit-hlfir -fopenmp -fopenmp-version=50 %t/omp-declare-mapper-1.f90 -o - | FileCheck %t/omp-declare-mapper-1.f90
+! RUN: %flang_fc1 -emit-hlfir -fopenmp -fopenmp-version=50 %t/omp-declare-mapper-2.f90 -o - | FileCheck %t/omp-declare-mapper-2.f90
+
+!--- omp-declare-mapper-1.f90
+subroutine declare_mapper_1
+ integer, parameter :: nvals = 250
+ type my_type
+ integer :: num_vals
+ integer, allocatable :: values(:)
+ end type
+
+ type my_type2
+ type(my_type) :: my_type_var
+ type(my_type) :: temp
+ real, dimension(nvals) :: unmapped
+ real, dimension(nvals) :: arr
+ end type
+ type(my_type2) :: t
+ real :: x, y(nvals)
+ !CHECK:omp.declare_mapper @[[MY_TYPE_MAPPER:_QQFdeclare_mapper_1my_type\.default]] : [[MY_TYPE:!fir\.type<_QFdeclare_mapper_1Tmy_type\{num_vals:i32,values:!fir\.box<!fir\.heap<!fir\.array<\?xi32>>>\}>]] {
+ !CHECK: ^bb0(%[[VAL_0:.*]]: !fir.ref<[[MY_TYPE]]>):
+ !CHECK: %[[VAL_1:.*]]:2 = hlfir.declare %[[VAL_0]] {uniq_name = "_QFdeclare_mapper_1Evar"} : (!fir.ref<[[MY_TYPE]]>) -> (!fir.ref<[[MY_TYPE]]>, !fir.ref<[[MY_TYPE]]>)
+ !CHECK: %[[VAL_2:.*]] = hlfir.designate %[[VAL_1]]#0{"values"} {fortran_attrs = #fir.var_attrs<allocatable>} : (!fir.ref<[[MY_TYPE]]>) -> !fir.ref<!fir.box<!fir.heap<!fir.array<?xi32>>>>
+ !CHECK: %[[VAL_3:.*]] = fir.load %[[VAL_2]] : !fir.ref<!fir.box<!fir.heap<!fir.array<?xi32>>>>
+ !CHECK: %[[VAL_4:.*]] = fir.box_addr %[[VAL_3]] : (!fir.box<!fir.heap<!fir.array<?xi32>>>) -> !fir.heap<!fir.array<?xi32>>
+ !CHECK: %[[VAL_5:.*]] = arith.constant 0 : index
+ !CHECK: %[[VAL_6:.*]]:3 = fir.box_dims %[[VAL_3]], %[[VAL_5]] : (!fir.box<!fir.heap<!fir.array<?xi32>>>, index) -> (index, index, index)
+ !CHECK: %[[VAL_7:.*]] = arith.constant 0 : index
+ !CHECK: %[[VAL_8:.*]] = arith.constant 1 : index
+ !CHECK: %[[VAL_9:.*]] = arith.constant 1 : index
+ !CHECK: %[[VAL_10:.*]] = arith.subi %[[VAL_9]], %[[VAL_6]]#0 : index
+ !CHECK: %[[VAL_11:.*]] = hlfir.designate %[[VAL_1]]#0{"num_vals"} : (!fir.ref<[[MY_TYPE]]>) -> !fir.ref<i32>
+ !CHECK: %[[VAL_12:.*]] = fir.load %[[VAL_11]] : !fir.ref<i32>
+ !CHECK: %[[VAL_13:.*]] = fir.convert %[[VAL_12]] : (i32) -> i64
+ !CHECK: %[[VAL_14:.*]] = fir.convert %[[VAL_13]] : (i64) -> index
+ !CHECK: %[[VAL_15:.*]] = arith.subi %[[VAL_14]], %[[VAL_6]]#0 : index
+ !CHECK: %[[VAL_16:.*]] = omp.map.bounds lower_bound(%[[VAL_10]] : index) upper_bound(%[[VAL_15]] : index) extent(%[[VAL_6]]#1 : index) stride(%[[VAL_8]] : index) start_idx(%[[VAL_6]]#0 : index)
+ !CHECK: %[[VAL_17:.*]] = arith.constant 1 : index
+ !CHECK: %[[VAL_18:.*]] = fir.coordinate_of %[[VAL_1]]#0, %[[VAL_17]] : (!fir.ref<[[MY_TYPE]]>, index) -> !fir.ref<!fir.box<!fir.heap<!fir.array<?xi32>>>>
+ !CHECK: %[[VAL_19:.*]] = fir.box_offset %[[VAL_18]] base_addr : (!fir.ref<!fir.box<!fir.heap<!fir.array<?xi32>>>>) -> !fir.llvm_ptr<!fir.ref<!fir.array<?xi32>>>
+ !CHECK: %[[VAL_20:.*]] = omp.map.info var_ptr(%[[VAL_18]] : !fir.ref<!fir.box<!fir.heap<!fir.array<?xi32>>>>, i32) var_ptr_ptr(%[[VAL_19]] : !fir.llvm_ptr<!fir.ref<!fir.array<?xi32>>>) map_clauses(tofrom) capture(ByRef) bounds(%[[VAL_16]]) -> !fir.llvm_ptr<!fir.ref<!fir.array<?xi32>>> {name = ""}
+ !CHECK: %[[VAL_21:.*]] = omp.map.info var_ptr(%[[VAL_18]] : !fir.ref<!fir.box<!fir.heap<!fir.array<?xi32>>>>, !fir.box<!fir.heap<!fir.array<?xi32>>>) map_clauses(to) capture(ByRef) -> !fir.ref<!fir.box<!fir.heap<!fir.array<?xi32>>>> {name = "var%[[VAL_22:.*]](1:var%[[VAL_23:.*]])"}
+ !CHECK: %[[VAL_24:.*]] = omp.map.info var_ptr(%[[VAL_1]]#1 : !fir.ref<[[MY_TYPE]]>, [[MY_TYPE]]) map_clauses(tofrom) capture(ByRef) members(%[[VAL_21]], %[[VAL_20]] : [1], [1, 0] : !fir.ref<!fir.box<!fir.heap<!fir.array<?xi32>>>>, !fir.llvm_ptr<!fir.ref<!fir.array<?xi32>>>) -> !fir.ref<[[MY_TYPE]]> {name = "var"}
+ !CHECK: omp.declare_mapper.info map_entries(%[[VAL_24]], %[[VAL_21]], %[[VAL_20]] : !fir.ref<[[MY_TYPE]]>, !fir.ref<!fir.box<!fir.heap<!fir.array<?xi32>>>>, !fir.llvm_ptr<!fir.ref<!fir.array<?xi32>>>)
+ !CHECK: }
+ !$omp declare mapper (my_type :: var) map (var, var%values (1:var%num_vals))
+end subroutine declare_mapper_1
+
+!--- omp-declare-mapper-2.f90
+subroutine declare_mapper_2
+ integer, parameter :: nvals = 250
+ type my_type
+ integer :: num_vals
+ integer, allocatable :: values(:)
+ end type
+
+ type my_type2
+ type(my_type) :: my_type_var
+ type(my_type) :: temp
+ real, dimension(nvals) :: unmapped
+ real, dimension(nvals) :: arr
+ end type
+ type(my_type2) :: t
+ real :: x, y(nvals)
+ !CHECK:omp.declare_mapper @[[MY_TYPE_MAPPER:_QQFdeclare_mapper_2my_mapper]] : [[MY_TYPE:!fir\.type<_QFdeclare_mapper_2Tmy_type2\{my_type_var:!fir\.type<_QFdeclare_mapper_2Tmy_type\{num_vals:i32,values:!fir\.box<!fir\.heap<!fir\.array<\?xi32>>>\}>,temp:!fir\.type<_QFdeclare_mapper_2Tmy_type\{num_vals:i32,values:!fir\.box<!fir\.heap<!fir\.array<\?xi32>>>\}>,unmapped:!fir\.array<250xf32>,arr:!fir\.array<250xf32>\}>]] {
+ !CHECK: ^bb0(%[[VAL_0:.*]]: !fir.ref<[[MY_TYPE]]>):
+ !CHECK: %[[VAL_1:.*]]:2 = hlfir.declare %[[VAL_0]] {uniq_name = "_QFdeclare_mapper_2Ev"} : (!fir.ref<[[MY_TYPE]]>) -> (!fir.ref<[[MY_TYPE]]>, !fir.ref<[[MY_TYPE]]>)
+ !CHECK: %[[VAL_2:.*]] = arith.constant 250 : index
+ !CHECK: %[[VAL_3:.*]] = fir.shape %[[VAL_2]] : (index) -> !fir.shape<1>
+ !CHECK: %[[VAL_4:.*]] = hlfir.designate %[[VAL_1]]#0{"arr"} shape %[[VAL_3]] : (!fir.ref<[[MY_TYPE]]>, !fir.shape<1>) -> !fir.ref<!fir.array<250xf32>>
+ !CHECK: %[[VAL_5:.*]] = arith.constant 1 : index
+ !CHECK: %[[VAL_6:.*]] = arith.constant 0 : index
+ !CHECK: %[[VAL_7:.*]] = arith.subi %[[VAL_2]], %[[VAL_5]] : index
+ !CHECK: %[[VAL_8:.*]] = omp.map.bounds lower_bound(%[[VAL_6]] : index) upper_bound(%[[VAL_7]] : index) extent(%[[VAL_2]] : index) stride(%[[VAL_5]] : index) start_idx(%[[VAL_5]] : index)
+ !CHECK: %[[VAL_9:.*]] = omp.map.info var_ptr(%[[VAL_4]] : !fir.ref<!fir.array<250xf32>>, !fir.array<250xf32>) map_clauses(tofrom) capture(ByRef) bounds(%[[VAL_8]]) -> !fir.ref<!fir.array<250xf32>> {name = "v%[[VAL_10:.*]]"}
+ !CHECK: %[[VAL_11:.*]] = hlfir.designate %[[VAL_1]]#0{"temp"} : (!fir.ref<[[MY_TYPE]]>) -> !fir.ref<!fir.type<_QFdeclare_mapper_2Tmy_type{num_vals:i32,values:!fir.box<!fir.heap<!fir.array<?xi32>>>}>>
+ !CHECK: %[[VAL_12:.*]] = omp.map.info var_ptr(%[[VAL_11]] : !fir.ref<!fir.type<_QFdeclare_mapper_2Tmy_type{num_vals:i32,values:!fir.box<!fir.heap<!fir.array<?xi32>>>}>>, !fir.type<_QFdeclare_mapper_2Tmy_type{num_vals:i32,values:!fir.box<!fir.heap<!fir.array<?xi32>>>}>) map_clauses(exit_release_or_enter_alloc) capture(ByRef) -> !fir.ref<!fir.type<_QFdeclare_mapper_2Tmy_type{num_vals:i32,values:!fir.box<!fir.heap<!fir.array<?xi32>>>}>> {name = "v%[[VAL_13:.*]]"}
+ !CHECK: %[[VAL_14:.*]] = omp.map.info var_ptr(%[[VAL_1]]#1 : !fir.ref<[[MY_TYPE]]>, [[MY_TYPE]]) map_clauses(tofrom) capture(ByRef) members(%[[VAL_9]], %[[VAL_12]] : [3], [1] : !fir.ref<!fir.array<250xf32>>, !fir.ref<!fir.type<_QFdeclare_mapper_2Tmy_type{num_vals:i32,values:!fir.box<!fir.heap<!fir.array<?xi32>>>}>>) -> !fir.ref<[[MY_TYPE]]> {name = "v", partial_map = true}
+ !CHECK: omp.declare_mapper.info map_entries(%[[VAL_14]], %[[VAL_9]], %[[VAL_12]] : !fir.ref<[[MY_TYPE]]>, !fir.ref<!fir.array<250xf32>>, !fir.ref<!fir.type<_QFdeclare_mapper_2Tmy_type{num_vals:i32,values:!fir.box<!fir.heap<!fir.array<?xi32>>>}>>)
+ !CHECK: }
+ !$omp declare mapper (my_mapper : my_type2 :: v) map (v%arr) map (alloc : v%temp)
----------------
skatrak wrote:
It would probably be good to add another one of these tests where there's a declare mapper for `my_type` and a declare mapper for `my_type2` that uses the mapper defined for the first for one of its fields.
https://github.com/llvm/llvm-project/pull/117046
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