42 lines
1.4 KiB
Fortran
42 lines
1.4 KiB
Fortran
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! Test that assumed length character scalars and explicit shape arrays are passed via
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! CFI descriptor (fir.box) in BIND(C) procedures. They are passed only by address
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! and length in non BIND(C) procedures. See Fortran 2018 standard 18.3.6 point 2(5).
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! RUN: bbc -hlfir -emit-fir -o - %s 2>&1 | FileCheck %s
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module bindcchar
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contains
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! CHECK-LABEL: func.func @bindc(
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! CHECK-SAME: %{{[^:]*}}: !fir.box<!fir.char<1,?>>
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! CHECK-SAME: %{{[^:]*}}: !fir.box<!fir.array<100x!fir.char<1,?>>>
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subroutine bindc(c1, c3) bind(c)
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character(*) :: c1, c3(100)
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print *, c1(1:3), c3(5)(1:3)
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end subroutine
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! CHECK-LABEL: func.func @bindc_optional(
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! CHECK-SAME: %{{[^:]*}}: !fir.box<!fir.char<1,?>>
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! CHECK-SAME: %{{[^:]*}}: !fir.box<!fir.array<100x!fir.char<1,?>>>
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subroutine bindc_optional(c1, c3) bind(c)
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character(*), optional :: c1, c3(100)
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print *, c1(1:3), c3(5)(1:3)
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end subroutine
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! CHECK-LABEL: func.func @_QMbindccharPnot_bindc(
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! CHECK-SAME: %{{[^:]*}}: !fir.boxchar<1>
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! CHECK-SAME: %{{[^:]*}}: !fir.boxchar<1>
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subroutine not_bindc(c1, c3)
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character(*) :: c1, c3(100)
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call bindc(c1, c3)
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call bindc_optional(c1, c3)
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end subroutine
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! CHECK-LABEL: func.func @_QMbindccharPnot_bindc_optional(
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! CHECK-SAME: %{{[^:]*}}: !fir.boxchar<1>
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! CHECK-SAME: %{{[^:]*}}: !fir.boxchar<1>
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subroutine not_bindc_optional(c1, c3)
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character(*), optional :: c1, c3(100)
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call bindc(c1, c3)
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call bindc_optional(c1, c3)
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end subroutine
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end module
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