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TheRock/compiler/amd-llvm/flang/test/Lower/forall/forall-where.f90
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derek.holloway 7502bf64a4
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54 lines
1.7 KiB
Fortran

! Test forall lowering
! RUN: %flang_fc1 -emit-hlfir %s -o - | FileCheck %s
!*** Test a FORALL construct with a nested WHERE construct.
! This has both an explicit and implicit iteration space. The WHERE construct
! makes the assignments conditional and the where mask evaluation must happen
! prior to evaluating the array assignment statement.
subroutine test_nested_forall_where(a,b)
type t
real data(100)
end type t
type(t) :: a(:,:), b(:,:)
forall (i=1:ubound(a,1), j=1:ubound(a,2))
where (b(j,i)%data > 0.0)
a(i,j)%data = b(j,i)%data / 3.14
elsewhere
a(i,j)%data = -b(j,i)%data
end where
end forall
end subroutine test_nested_forall_where
! CHECK-LABEL: func.func @_QPtest_nested_forall_where(
! CHECK: hlfir.forall
! CHECK: (%[[arg2:.*]]: i32) {
! CHECK: %[[i:.*]] = hlfir.forall_index "i" %[[arg2]] : (i32) -> !fir.ref<i32>
! CHECK: hlfir.forall
! CHECK: (%[[arg3:.*]]: i32) {
! CHECK: %[[j:.*]] = hlfir.forall_index "j" %[[arg3]] : (i32) -> !fir.ref<i32>
! CHECK: hlfir.where {
! CHECK: %[[mask:.*]] = hlfir.elemental {{.*}} {
! CHECK: arith.cmpf ogt, {{.*}}
! CHECK: }
! CHECK: hlfir.yield %[[mask]]
! CHECK: } do {
! CHECK: hlfir.region_assign {
! CHECK: %[[res:.*]] = hlfir.elemental {{.*}} {
! CHECK: arith.divf {{.*}}
! CHECK: }
! CHECK: hlfir.yield %[[res]]
! CHECK: } to {
! CHECK: }
! CHECK: hlfir.elsewhere do {
! CHECK: hlfir.region_assign {
! CHECK: %[[res:.*]] = hlfir.elemental {{.*}} {
! CHECK: arith.negf {{.*}}
! CHECK: }
! CHECK: hlfir.yield %[[res]]
! CHECK: } to {
! CHECK: }
! CHECK: }
! CHECK: }
! CHECK: }