llvm-project/flang/test/Lower/common-block-2.f90

38 lines
1.3 KiB
Fortran

! RUN: bbc %s -o - | FileCheck %s
! Test support of non standard features regarding common blocks:
! - A named common that appears with different storage sizes
! - A blank common that is initialized
! - A common block that is initialized outside of a BLOCK DATA.
! CHECK-LABEL: fir.global @_QB : tuple<i32, !fir.array<8xi8>> {
! CHECK: %[[undef:.*]] = fir.undefined tuple<i32, !fir.array<8xi8>>
! CHECK: %[[init:.*]] = fir.insert_value %[[undef]], %c42{{.*}}, [0 : index] : (tuple<i32, !fir.array<8xi8>>, i32) -> tuple<i32, !fir.array<8xi8>>
! CHECK: fir.has_value %[[init]] : tuple<i32, !fir.array<8xi8>>
! CHECK-LABEL: fir.global @_QBa : tuple<i32, !fir.array<8xi8>> {
! CHECK: %[[undef:.*]] = fir.undefined tuple<i32, !fir.array<8xi8>>
! CHECK: %[[init:.*]] = fir.insert_value %[[undef]], %c42{{.*}}, [0 : index] : (tuple<i32, !fir.array<8xi8>>, i32) -> tuple<i32, !fir.array<8xi8>>
! CHECK: fir.has_value %[[init]] : tuple<i32, !fir.array<8xi8>>
subroutine first_appearance
real :: x, y, xa, ya
common // x, y
common /a/ xa, ya
call foo(x, xa)
end subroutine
subroutine second_appearance
real :: x, y, z, xa, ya, za
common // x, y, z
common /a/ xa, ya, za
call foo(x, xa)
end subroutine
subroutine third_appearance
integer :: x = 42, xa = 42
common // x
common /a/ xa
end subroutine