1 // Use --mlir-disable-threading so that the AA queries are serialized
2 // as well as its diagnostic output.
3 // RUN: fir-opt %s -pass-pipeline='builtin.module(func.func(test-fir-alias-analysis))' -split-input-file --mlir-disable-threading 2>&1 | FileCheck %s
7 // real, pointer :: pointer_component
11 // subroutine test(pointer_dummy, x)
12 // real, pointer :: pointer_dummy
15 // call test2(a%pointer_component)
16 // end subroutine test
19 // A composite with a pointer component may alias with a dummy pointer
20 // CHECK-LABEL: Testing : "_QMmPtest
21 // CHECK: a#0 <-> func.region0#0: MayAlias
23 // a's box cannot alias with raw reference to f32 (x)
24 // CHECK: a#0 <-> func.region0#1: NoAlias
26 // pointer_dummy's box cannot alias with raw reference to f32 (x)
27 // CHECK: func.region0#0 <-> func.region0#1: NoAlias
29 fir.global @_QMmEa : !fir.type<_QMmTt{pointer_component:!fir.box<!fir.ptr<f32>>}> {
30 %0 = fir.undefined !fir.type<_QMmTt{pointer_component:!fir.box<!fir.ptr<f32>>}>
31 fir.has_value %0 : !fir.type<_QMmTt{pointer_component:!fir.box<!fir.ptr<f32>>}>
33 func.func @_QMmPtest(%arg0: !fir.ref<!fir.box<!fir.ptr<f32>>> {fir.bindc_name = "pointer_dummy"}, %arg1: !fir.ref<f32> {fir.bindc_name = "x", fir.target}) attributes {test.ptr = "func"} {
34 %0 = fir.address_of(@_QMmEa) {test.ptr = "a"} : !fir.ref<!fir.type<_QMmTt{pointer_component:!fir.box<!fir.ptr<f32>>}>>
35 %1 = fir.embox %arg1 : (!fir.ref<f32>) -> !fir.box<!fir.ptr<f32>>
36 fir.store %1 to %arg0 : !fir.ref<!fir.box<!fir.ptr<f32>>>
37 %2 = fir.field_index pointer_component, !fir.type<_QMmTt{pointer_component:!fir.box<!fir.ptr<f32>>}>
38 %3 = fir.coordinate_of %0, %2 : (!fir.ref<!fir.type<_QMmTt{pointer_component:!fir.box<!fir.ptr<f32>>}>>, !fir.field) -> !fir.ref<!fir.box<!fir.ptr<f32>>>
39 %4 = fir.load %3 : !fir.ref<!fir.box<!fir.ptr<f32>>>
40 %5 = fir.box_addr %4 : (!fir.box<!fir.ptr<f32>>) -> !fir.ptr<f32>
41 %6 = fir.convert %5 : (!fir.ptr<f32>) -> !fir.ref<f32>
42 fir.call @_QPtest2(%6) fastmath<contract> : (!fir.ref<f32>) -> ()
45 func.func private @_QPtest2(!fir.ref<f32>)
49 // A composite with a pointer component does not alias with a dummy
50 // argument of composite type with a pointer component:
53 // real, pointer :: pointer_component
57 // subroutine test(b, x)
60 // a%pointer_component => x
61 // call test2(b%pointer_component)
62 // end subroutine test
65 // CHECK-LABEL: Testing : "_QMmPtest"
66 // CHECK: a#0 <-> func.region0#0: NoAlias
68 fir.global @_QMmEa : !fir.type<_QMmTt{pointer_component:!fir.box<!fir.ptr<f32>>}> {
69 %0 = fir.undefined !fir.type<_QMmTt{pointer_component:!fir.box<!fir.ptr<f32>>}>
70 fir.has_value %0 : !fir.type<_QMmTt{pointer_component:!fir.box<!fir.ptr<f32>>}>
72 func.func @_QMmPtest(%arg0: !fir.ref<!fir.type<_QMmTt{pointer_component:!fir.box<!fir.ptr<f32>>}>> {fir.bindc_name = "b"}, %arg1: !fir.ref<f32> {fir.bindc_name = "x", fir.target}) attributes {test.ptr = "func"} {
73 %0 = fir.address_of(@_QMmEa) {test.ptr = "a"} : !fir.ref<!fir.type<_QMmTt{pointer_component:!fir.box<!fir.ptr<f32>>}>>
74 %1 = fir.field_index pointer_component, !fir.type<_QMmTt{pointer_component:!fir.box<!fir.ptr<f32>>}>
75 %2 = fir.coordinate_of %0, %1 : (!fir.ref<!fir.type<_QMmTt{pointer_component:!fir.box<!fir.ptr<f32>>}>>, !fir.field) -> !fir.ref<!fir.box<!fir.ptr<f32>>>
76 %3 = fir.embox %arg1 : (!fir.ref<f32>) -> !fir.box<!fir.ptr<f32>>
77 fir.store %3 to %2 : !fir.ref<!fir.box<!fir.ptr<f32>>>
78 %4 = fir.field_index pointer_component, !fir.type<_QMmTt{pointer_component:!fir.box<!fir.ptr<f32>>}>
79 %5 = fir.coordinate_of %arg0, %4 : (!fir.ref<!fir.type<_QMmTt{pointer_component:!fir.box<!fir.ptr<f32>>}>>, !fir.field) -> !fir.ref<!fir.box<!fir.ptr<f32>>>
80 %6 = fir.load %5 : !fir.ref<!fir.box<!fir.ptr<f32>>>
81 %7 = fir.box_addr %6 : (!fir.box<!fir.ptr<f32>>) -> !fir.ptr<f32>
82 %8 = fir.convert %7 : (!fir.ptr<f32>) -> !fir.ref<f32>
83 fir.call @_QPtest2(%8) fastmath<contract> : (!fir.ref<f32>) -> ()
86 func.func private @_QPtest2(!fir.ref<f32>)
90 // Two dummy arguments of composite type with a pointer component
91 // do not alias each other:
94 // real, pointer :: pointer_component
97 // subroutine test(a, b, x)
100 // a%pointer_component => x
101 // call test2(b%pointer_component)
102 // end subroutine test
105 // CHECK-LABEL: Testing : "_QMmPtest"
106 // CHECK: func.region0#0 <-> func.region0#1: NoAlias
108 func.func @_QMmPtest(%arg0: !fir.ref<!fir.type<_QMmTt{pointer_component:!fir.box<!fir.ptr<f32>>}>> {fir.bindc_name = "a"}, %arg1: !fir.ref<!fir.type<_QMmTt{pointer_component:!fir.box<!fir.ptr<f32>>}>> {fir.bindc_name = "b"}, %arg2: !fir.ref<f32> {fir.bindc_name = "x", fir.target}) attributes {test.ptr = "func"} {
109 %0 = fir.field_index pointer_component, !fir.type<_QMmTt{pointer_component:!fir.box<!fir.ptr<f32>>}>
110 %1 = fir.coordinate_of %arg0, %0 : (!fir.ref<!fir.type<_QMmTt{pointer_component:!fir.box<!fir.ptr<f32>>}>>, !fir.field) -> !fir.ref<!fir.box<!fir.ptr<f32>>>
111 %2 = fir.embox %arg2 : (!fir.ref<f32>) -> !fir.box<!fir.ptr<f32>>
112 fir.store %2 to %1 : !fir.ref<!fir.box<!fir.ptr<f32>>>
113 %3 = fir.field_index pointer_component, !fir.type<_QMmTt{pointer_component:!fir.box<!fir.ptr<f32>>}>
114 %4 = fir.coordinate_of %arg1, %3 : (!fir.ref<!fir.type<_QMmTt{pointer_component:!fir.box<!fir.ptr<f32>>}>>, !fir.field) -> !fir.ref<!fir.box<!fir.ptr<f32>>>
115 %5 = fir.load %4 : !fir.ref<!fir.box<!fir.ptr<f32>>>
116 %6 = fir.box_addr %5 : (!fir.box<!fir.ptr<f32>>) -> !fir.ptr<f32>
117 %7 = fir.convert %6 : (!fir.ptr<f32>) -> !fir.ref<f32>
118 fir.call @_QPtest2(%7) fastmath<contract> : (!fir.ref<f32>) -> ()
121 func.func private @_QPtest2(!fir.ref<f32>)
125 // Two dummy arguments of composite type consisting of an allocatable
126 // component cannot alias:
129 // real, allocatable :: allocatable_component
132 // subroutine test(a, b)
134 // allocate(a%allocatable_component)
135 // call test2(b%allocatable_component)
136 // end subroutine test
139 // CHECK-LABEL: Testing : "_QMmPtest"
140 // CHECK: func.region0#0 <-> func.region0#1: NoAlias
142 func.func @_QMmPtest(%arg0: !fir.ref<!fir.type<_QMmTt{allocatable_component:!fir.box<!fir.heap<f32>>}>> {fir.bindc_name = "a"}, %arg1: !fir.ref<!fir.type<_QMmTt{allocatable_component:!fir.box<!fir.heap<f32>>}>> {fir.bindc_name = "b"}) attributes {test.ptr = "func"} {
143 %0 = fir.field_index allocatable_component, !fir.type<_QMmTt{allocatable_component:!fir.box<!fir.heap<f32>>}>
144 %1 = fir.coordinate_of %arg0, %0 : (!fir.ref<!fir.type<_QMmTt{allocatable_component:!fir.box<!fir.heap<f32>>}>>, !fir.field) -> !fir.ref<!fir.box<!fir.heap<f32>>>
145 %2 = fir.allocmem f32 {uniq_name = "_QMmEallocatable_component.alloc"}
146 %3 = fir.embox %2 : (!fir.heap<f32>) -> !fir.box<!fir.heap<f32>>
147 fir.store %3 to %1 : !fir.ref<!fir.box<!fir.heap<f32>>>
148 %4 = fir.field_index allocatable_component, !fir.type<_QMmTt{allocatable_component:!fir.box<!fir.heap<f32>>}>
149 %5 = fir.coordinate_of %arg1, %4 : (!fir.ref<!fir.type<_QMmTt{allocatable_component:!fir.box<!fir.heap<f32>>}>>, !fir.field) -> !fir.ref<!fir.box<!fir.heap<f32>>>
150 %6 = fir.load %5 : !fir.ref<!fir.box<!fir.heap<f32>>>
151 %7 = fir.box_addr %6 : (!fir.box<!fir.heap<f32>>) -> !fir.heap<f32>
152 %8 = fir.convert %7 : (!fir.heap<f32>) -> !fir.ref<f32>
153 fir.call @_QPtest2(%8) fastmath<contract> : (!fir.ref<f32>) -> ()
156 func.func private @_QPtest2(!fir.ref<f32>)