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TheRock/compiler/amd-llvm/flang/test/Lower/host_module_variable_instantiation.f90
derek.holloway 7502bf64a4
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37 lines
1.5 KiB
Fortran

! Test that host module variables are not instantiated inside
! module procedure when they are not needed.
! RUN: %flang_fc1 -emit-hlfir %s -o - | FileCheck %s
module test_host_module_instantiation
integer :: var1, var2
integer :: a, b, c
equivalence (a, b)
contains
subroutine foo()
call bar(var1)
end subroutine
subroutine foo_equiv
b = 1
end subroutine
end module
! CHECK-LABEL: func.func @_QMtest_host_module_instantiationPfoo(
! CHECK-NOT: fir.address_of
! CHECK: %[[ADDR1:.*]] = fir.address_of(@_QMtest_host_module_instantiationEvar1) : !fir.ref<i32>
! CHECK: hlfir.declare %[[ADDR1]]
! CHECK-NOT: fir.address_of
! CHECK: return
! CHECK-LABEL: func.func @_QMtest_host_module_instantiationPfoo_equiv(
! CHECK-NOT: hlfir.declare
! CHECK: %[[ADDRESS_OF_0:.*]] = fir.address_of(@_QMtest_host_module_instantiationEa) : !fir.ref<!fir.array<4xi8>>
! CHECK-NEXT: %[[CONSTANT_0:.*]] = arith.constant 0 : index
! CHECK-NEXT: %[[COORDINATE_OF_0:.*]] = fir.coordinate_of %[[ADDRESS_OF_0]], %[[CONSTANT_0]] : (!fir.ref<!fir.array<4xi8>>, index) -> !fir.ref<i8>
! CHECK-NEXT: %[[CONVERT_0:.*]] = fir.convert %[[COORDINATE_OF_0]] : (!fir.ref<i8>) -> !fir.ptr<i32>
! CHECK-NEXT: %[[DECLARE_0:.*]]:2 = hlfir.declare %[[CONVERT_0]] storage(%[[ADDRESS_OF_0]][0]) {uniq_name = "_QMtest_host_module_instantiationEb"} : (!fir.ptr<i32>, !fir.ref<!fir.array<4xi8>>) -> (!fir.ptr<i32>, !fir.ptr<i32>)
! CHECK-NOT: hlfir.declare
! CHECK: return