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

74 lines
2.2 KiB
Fortran

! RUN: bbc %s -o - | tco | FileCheck %s
! CHECK: @_QB = common global [8 x i8] zeroinitializer
! CHECK: @_QBx = global { float, float } { float 1.0{{.*}}, float 2.0{{.*}} }
! CHECK: @_QBy = common global [12 x i8] zeroinitializer
! CHECK: @_QBz = global { i32, [4 x i8], float } { i32 42, [4 x i8] undef, float 3.000000e+00 }
! CHECK: @_QBrien = common global [1 x i8] zeroinitializer
! CHECK: @_QBwith_empty_equiv = common global [8 x i8] zeroinitializer
! CHECK-LABEL: _QPs0
subroutine s0
common // a0, b0
! CHECK: call void @_QPs(float* bitcast ([8 x i8]* @_QB to float*), float* bitcast (i8* getelementptr inbounds ([8 x i8], [8 x i8]* @_QB, i32 0, i64 4) to float*))
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(float* getelementptr inbounds ({ float, float }, { float, float }* @_QBx, i32 0, i32 0), float* bitcast (i8* getelementptr (i8, i8* bitcast ({ float, float }* @_QBx to i8*), i64 4) to float*))
call s(a1, b1)
end subroutine s1
! CHECK-LABEL: _QPs2
subroutine s2
common /y/ a2, b2, c2
! CHECK: call void @_QPs(float* bitcast ([12 x i8]* @_QBy to float*), float* bitcast (i8* getelementptr inbounds ([12 x i8], [12 x i8]* @_QBy, i32 0, i64 4) to float*))
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, i32* bitcast ([8 x i8]* @_QBc_in_mod to i32*)
print *, i
! CHECK: load i32, i32* bitcast (i8* getelementptr inbounds ([8 x i8], [8 x i8]* @_QBc_in_mod, i32 0, i64 4) to i32*)
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