xref: /llvm-project/flang/test/Fir/optional.fir (revision 2f0b4f43fc5c1e7587c4d00daa9cc230df2f8a2d) 
1// RUN: tco %s | FileCheck %s
2// RUN: %flang_fc1 -emit-llvm %s -o - | FileCheck %s
3
4// Test fir.is_present and fir.absent codegen
5
6// CHECK-LABEL: @foo1
7func.func @foo1(%arg0: !fir.box<!fir.array<?xf32>>) -> i1 {
8  // CHECK: %[[ptr:.*]] = ptrtoint ptr %{{.*}} to i64
9  // CHECK: icmp ne i64 %[[ptr]], 0
10  %0 = fir.is_present %arg0 : (!fir.box<!fir.array<?xf32>>) -> i1
11  return %0 : i1
12}
13
14// CHECK-LABEL: @bar1
15func.func @bar1() -> i1 {
16  %0 = fir.absent !fir.box<!fir.array<?xf32>>
17  // CHECK: call i1 @foo1(ptr null)
18  %1 = fir.call @foo1(%0) : (!fir.box<!fir.array<?xf32>>) -> i1
19  return %1 : i1
20}
21
22// CHECK-LABEL: @foo2
23func.func @foo2(%arg0: !fir.ref<i64>) -> i1 {
24  // CHECK: %[[ptr:.*]] = ptrtoint ptr %{{.*}} to i64
25  // CHECK: icmp ne i64 %[[ptr]], 0
26  %0 = fir.is_present %arg0 : (!fir.ref<i64>) -> i1
27  return %0 : i1
28}
29
30// CHECK-LABEL: @bar2
31func.func @bar2() -> i1 {
32  %0 = fir.absent !fir.ref<i64>
33  // CHECK: call i1 @foo2(ptr null)
34  %1 = fir.call @foo2(%0) : (!fir.ref<i64>) -> i1
35  return %1 : i1
36}
37
38// CHECK-LABEL: @foo3
39func.func @foo3(%arg0: !fir.boxchar<1>) -> i1 {
40  // CHECK: %[[extract:.*]] = extractvalue { ptr, i64 } %{{.*}}, 0
41  // CHECK: %[[ptr:.*]] = ptrtoint ptr %[[extract]] to i64
42  // CHECK: icmp ne i64 %[[ptr]], 0
43  %0 = fir.is_present %arg0 : (!fir.boxchar<1>) -> i1
44  return %0 : i1
45}
46
47// CHECK-LABEL: @bar3
48func.func @bar3() -> i1 {
49  %0 = fir.absent !fir.boxchar<1>
50  // CHECK: call i1 @foo3(ptr null, i64 0)
51  %1 = fir.call @foo3(%0) : (!fir.boxchar<1>) -> i1
52  return %1 : i1
53}
54
55// CHECK-LABEL: @foo4(
56// CHECK-SAME: ptr %[[arg:.*]])
57func.func @foo4(%arg0: !fir.boxproc<(i32)->(i64)>) -> i1 {
58  // CHECK: %[[ptr:.*]] = ptrtoint ptr %[[arg]] to i64
59  // CHECK: icmp ne i64 %[[ptr]], 0
60  %0 = fir.is_present %arg0 : (!fir.boxproc<(i32)->(i64)>) -> i1
61  return %0 : i1
62}
63
64// CHECK-LABEL: @bar4
65func.func @bar4() -> i1 {
66  %0 = fir.absent !fir.boxproc<(i32)->(i64)>
67  // CHECK: call i1 @foo4(ptr null)
68  %1 = fir.call @foo4(%0) : (!fir.boxproc<(i32)->(i64)>) -> i1
69  return %1 : i1
70}
71
72// CHECK-LABEL: @foo5(
73// CHECK-SAME: ptr %[[arg:.*]])
74func.func @foo5(%arg0: (i32)->(i64)) -> i1 {
75  // CHECK: %[[ptr:.*]] = ptrtoint ptr %[[arg]] to i64
76  // CHECK: icmp ne i64 %[[ptr]], 0
77  %0 = fir.is_present %arg0 : ((i32)->(i64)) -> i1
78  return %0 : i1
79}
80
81// CHECK-LABEL: @bar5
82func.func @bar5() -> i1 {
83  %0 = fir.absent (i32)->(i64)
84  // CHECK: call i1 @foo5(ptr null)
85  %1 = fir.call @foo5(%0) : ((i32)->(i64)) -> i1
86  return %1 : i1
87}
88