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! RUN: bbc %s -o - | tco | FileCheck %s
! RUN: %flang -emit-llvm -S -mmlir -disable-external-name-interop %s -o - | FileCheck %s
! CHECK: @_QC = common global [8 x i8] zeroinitializer
! CHECK: @_QCrien = common global [1 x i8] zeroinitializer
! CHECK: @_QCwith_empty_equiv = common global [8 x i8] zeroinitializer
! CHECK: @_QCx = global { float, float } { float 1.0{{.*}}, float 2.0{{.*}} }
! CHECK: @_QCy = common global [12 x i8] zeroinitializer
! CHECK: @_QCz = global { i32, [4 x i8], float } { i32 42, [4 x i8] undef, float 3.000000e+00 }
! CHECK-LABEL: _QPs0
subroutine s0
common // a0, b0
! CHECK: call void @_QPs(ptr @_QC, ptr getelementptr (i8, ptr @_QC, i64 4))
call s(a0, b0)
end subroutine s0
! CHECK-LABEL: _QPs1
subroutine s1
common /x/ a1, b1
data a1 /1.0/, b1 /2.0/
! CHECK: call void @_QPs(ptr @_QCx, ptr getelementptr (i8, ptr @_QCx, i64 4))
call s(a1, b1)
end subroutine s1
! CHECK-LABEL: _QPs2
subroutine s2
common /y/ a2, b2, c2
! CHECK: call void @_QPs(ptr @_QCy, ptr getelementptr (i8, ptr @_QCy, i64 4))
call s(a2, b2)
end subroutine s2
! Test that common initialized through aliases of common members are getting
! the correct initializer.
! CHECK-LABEL: _QPs3
subroutine s3
integer :: i = 42
real :: x
complex :: c
real :: glue(2)
real :: y = 3.
equivalence (i, x), (glue(1), c), (glue(2), y)
! x and c are not directly initialized, but overlapping aliases are.
common /z/ x, c
end subroutine s3
module mod_with_common
integer :: i, j
common /c_in_mod/ i, j
end module
! CHECK-LABEL: _QPs4
subroutine s4
use mod_with_common
! CHECK: load i32, ptr @_QCc_in_mod
print *, i
! CHECK: load i32, ptr getelementptr (i8, ptr @_QCc_in_mod, i64 4)
print *, j
end subroutine s4
! CHECK-LABEL: _QPs5
subroutine s5
real r(1:0)
common /rien/ r
end subroutine s5
! CHECK-LABEL: _QPs6
subroutine s6
real r1(1:0), r2(1:0), x, y
common /with_empty_equiv/ x, r1, y
equivalence(r1, r2)
end subroutine s6
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