derek.holloway
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105 lines
3.4 KiB
Fortran
105 lines
3.4 KiB
Fortran
! RUN: bbc -emit-hlfir %s -o - | %python %S/gen_mod_ref_test.py | \
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! RUN: fir-opt -pass-pipeline='builtin.module(func.func(test-fir-alias-analysis-modref))' \
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! RUN: --mlir-disable-threading -o /dev/null 2>&1 | FileCheck %s
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! Test fir.call modref for global variables (module, saved, common).
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module somemod
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implicit none
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real :: test_var_xmod
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real, pointer :: test_var_ptr
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real, allocatable :: test_var_alloc
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interface
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subroutine may_capture(x)
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real, target :: x
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end subroutine
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end interface
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end module
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subroutine test_module
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use somemod, only : test_var_xmod
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implicit none
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call test_effect_external()
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end subroutine
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! CHECK-LABEL: Testing : "_QPtest_module"
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! CHECK: test_effect_external -> test_var_xmod#0: ModRef
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subroutine test_saved_local
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use somemod, only : may_capture
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implicit none
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real, save :: test_var_xsaved
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! Capture is invalid after the call because test_var_xsaved does not have the
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! target attribute.
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call may_capture(test_var_xsaved)
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call test_effect_external()
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end subroutine
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! CHECK-LABEL: Testing : "_QPtest_saved_local"
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! CHECK: test_effect_external -> test_var_xsaved#0: NoModRef
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subroutine test_saved_target
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use somemod, only : may_capture
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implicit none
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real, save, target :: test_var_target_xsaved
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call may_capture(test_var_target_xsaved)
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call test_effect_external()
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end subroutine
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! CHECK-LABEL: Testing : "_QPtest_saved_target"
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! CHECK: test_effect_external -> test_var_target_xsaved#0: ModRef
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subroutine test_saved_target_2
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use somemod, only : may_capture
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implicit none
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real, save, target :: test_var_target_xsaved
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! Pointer associations made to SAVE variables remain valid after the
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! procedure exit, so it cannot be ruled out that the variable has been
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! captured in a previous call to `test_var_target_xsaved` even though the
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! call to `test_effect_external` appears first here.
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call test_effect_external()
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call may_capture(test_var_target_xsaved)
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end subroutine
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! CHECK-LABEL: Testing : "_QPtest_saved_target_2"
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! CHECK: test_effect_external -> test_var_target_xsaved#0: ModRef
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subroutine test_saved_used_in_internal
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implicit none
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real, save :: test_var_saved_captured
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call may_capture_procedure_pointer(internal)
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call test_effect_external()
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contains
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subroutine internal
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test_var_saved_captured = 0.
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end subroutine
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end subroutine
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! CHECK-LABEL: Testing : "_QPtest_saved_used_in_internal"
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! CHECK: test_effect_external -> test_var_saved_captured#0: ModRef
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subroutine test_common
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implicit none
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real :: test_var_x_common
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common /comm/ test_var_x_common
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call test_effect_external()
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end subroutine
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! CHECK-LABEL: Testing : "_QPtest_common"
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! CHECK: test_effect_external -> test_var_x_common#0: ModRef
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subroutine test_module_pointer
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use somemod, only : may_capture, test_var_ptr
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implicit none
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call may_capture(test_var_ptr)
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call test_effect_external()
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end subroutine
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! CHECK-LABEL: Testing : "_QPtest_module_pointer"
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! CHECK-DAG: test_effect_external -> test_var_ptr#0: ModRef
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! CHECK-DAG: test_effect_external -> box_addr_0#0: ModRef
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subroutine test_module_allocatable
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use somemod, only : may_capture, test_var_alloc
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implicit none
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call may_capture(test_var_alloc)
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call test_effect_external()
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end subroutine
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! CHECK-LABEL: Testing : "_QPtest_module_allocatable"
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! CHECK-DAG: test_effect_external -> test_var_alloc#0: ModRef
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! CHECK-DAG: test_effect_external -> box_addr_1#0: ModRef
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