xref: /llvm-project/flang/test/Lower/Intrinsics/isnan.f90 (revision 06eb10dadfaeaadc5d0d95d38bea4bfb5253e077) 
1! RUN: bbc -emit-fir %s -o - | FileCheck %s
2! RUN: flang -fc1 -emit-fir %s -o - | FileCheck %s
3
4! CHECK-LABEL: isnan_f32
5subroutine isnan_f32(r)
6  real :: r
7  i = isnan(r)
8  ! CHECK: %[[l:.*]] = "llvm.intr.is.fpclass"(%{{.*}}) <{bit = 3 : i32}> : (f32) -> i1
9  ! CHECK: fir.convert %[[l]] : (i1) -> !fir.logical<4>
10end subroutine isnan_f32
11
12! CHECK-LABEL: ieee_is_nan_f32
13subroutine ieee_is_nan_f32(r)
14  use ieee_arithmetic
15  real :: r
16  i = ieee_is_nan(r)
17  ! CHECK: %[[l:.*]] = "llvm.intr.is.fpclass"(%{{.*}}) <{bit = 3 : i32}> : (f32) -> i1
18  ! CHECK: fir.convert %[[l]] : (i1) -> !fir.logical<4>
19end subroutine ieee_is_nan_f32
20
21! CHECK-LABEL: isnan_f64
22subroutine isnan_f64(r)
23  real(KIND=8) :: r
24  i = isnan(r)
25  ! CHECK: %[[l:.*]] = "llvm.intr.is.fpclass"(%{{.*}}) <{bit = 3 : i32}> : (f64) -> i1
26  ! CHECK: fir.convert %[[l]] : (i1) -> !fir.logical<4>
27end subroutine isnan_f64
28
29! CHECK-LABEL: ieee_is_nan_f64
30subroutine ieee_is_nan_f64(r)
31  use ieee_arithmetic
32  real(KIND=8) :: r
33  i = ieee_is_nan(r)
34  ! CHECK: %[[l:.*]] = "llvm.intr.is.fpclass"(%{{.*}}) <{bit = 3 : i32}> : (f64) -> i1
35  ! CHECK: fir.convert %[[l]] : (i1) -> !fir.logical<4>
36end subroutine ieee_is_nan_f64
37
38! CHECK-LABEL: isnan_f80
39subroutine isnan_f80(r)
40  real(KIND=10) :: r
41  i = isnan(r)
42  ! CHECK: %[[l:.*]] = "llvm.intr.is.fpclass"(%{{.*}}) <{bit = 3 : i32}> : (f80) -> i1
43  ! CHECK: fir.convert %[[l]] : (i1) -> !fir.logical<4>
44end subroutine isnan_f80
45
46! CHECK-LABEL: ieee_is_nan_f80
47subroutine ieee_is_nan_f80(r)
48  use ieee_arithmetic
49  real(KIND=10) :: r
50  i = ieee_is_nan(r)
51  ! CHECK: %[[l:.*]] = "llvm.intr.is.fpclass"(%{{.*}}) <{bit = 3 : i32}> : (f80) -> i1
52  ! CHECK: fir.convert %[[l]] : (i1) -> !fir.logical<4>
53end subroutine ieee_is_nan_f80
54
55! CHECK-LABEL: isnan_f128
56subroutine isnan_f128(r)
57  real(KIND=16) :: r
58  i = isnan(r)
59  ! CHECK: %[[l:.*]] = "llvm.intr.is.fpclass"(%{{.*}}) <{bit = 3 : i32}> : (f128) -> i1
60  ! CHECK: fir.convert %[[l]] : (i1) -> !fir.logical<4>
61end subroutine isnan_f128
62
63! CHECK-LABEL: ieee_is_nan_f128
64subroutine ieee_is_nan_f128(r)
65  use ieee_arithmetic
66  real(KIND=16) :: r
67  i = ieee_is_nan(r)
68  ! CHECK: %[[l:.*]] = "llvm.intr.is.fpclass"(%{{.*}}) <{bit = 3 : i32}> : (f128) -> i1
69  ! CHECK: fir.convert %[[l]] : (i1) -> !fir.logical<4>
70end subroutine ieee_is_nan_f128
71