0b54e33fd5
To determine if a function's dummy argument is nocapture, add the asynchronous attribute to the FIR attribute. The volatile attribute will also be used to determine nocapture assignment, but this will remain a TODO until other processing using volatile is implemented. I will post another patch to apply nocapture. See also the discussion in the following discourse post. https://discourse.llvm.org/t/applying-the-nocapture-attribute-to-reference-passed-arguments-in-fortran-subroutines/81401
38 lines
1.4 KiB
Fortran
38 lines
1.4 KiB
Fortran
! RUN: bbc -emit-fir %s -o - | FileCheck %s
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! Test propagation of Fortran attributes to FIR.
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! CHECK-LABEL: func @_QPfoo1(
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! CHECK-SAME: %arg0: !fir.ref<f32> {fir.bindc_name = "x", fir.optional},
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! CHECK-SAME: %arg1: !fir.box<!fir.array<?xf32>> {fir.bindc_name = "y", fir.optional},
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! CHECK-SAME: %arg2: !fir.ref<!fir.box<!fir.heap<!fir.array<?xi32>>>> {fir.bindc_name = "i", fir.optional},
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! CHECK-SAME: %arg3: !fir.boxchar<1> {fir.bindc_name = "c", fir.optional}
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subroutine foo1(x, y, i, c)
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real, optional :: x, y(:)
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integer, allocatable, optional :: i(:)
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character, optional :: c
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end subroutine
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! CHECK-LABEL: func @_QPfoo2(
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! CHECK-SAME: %arg0: !fir.box<!fir.array<?xf32>> {fir.bindc_name = "x", fir.contiguous},
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! CHECK-SAME: %arg1: !fir.ref<!fir.box<!fir.ptr<!fir.array<?xi32>>>> {fir.bindc_name = "i", fir.contiguous}
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subroutine foo2(x, i)
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real, contiguous :: x(:)
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integer, pointer, contiguous :: i(:)
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end subroutine
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! CHECK-LABEL: func @_QPfoo3
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! CHECK-SAME: %arg0: !fir.box<!fir.array<?xf32>> {fir.bindc_name = "x", fir.contiguous, fir.optional}
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subroutine foo3(x)
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real, optional, contiguous :: x(:)
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end subroutine
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! CHECK-LABEL: func @_QPfoo4
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! CHECK-SAME: %arg0: !fir.ref<f32> {fir.bindc_name = "x", fir.target}
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! CHECK-SAME: %arg1: !fir.ref<f32> {fir.asynchronous, fir.bindc_name = "y"}
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subroutine foo4(x, y)
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real, target :: x
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real, asynchronous :: y
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end subroutine
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