test/Lower/math-lowering/atan2.f90

! RUN: bbc -emit-fir %s -o - --math-runtime=fast | FileCheck --check-prefixes=ALL,FAST %s
! RUN: %flang_fc1 -emit-fir -mllvm -math-runtime=fast %s -o - | FileCheck --check-prefixes=ALL,FAST %s
! RUN: bbc -emit-fir %s -o - --math-runtime=relaxed | FileCheck --check-prefixes=ALL,RELAXED %s
! RUN: %flang_fc1 -emit-fir -mllvm -math-runtime=relaxed %s -o - | FileCheck --check-prefixes=ALL,RELAXED %s
! RUN: bbc -emit-fir %s -o - --math-runtime=precise | FileCheck --check-prefixes=ALL,PRECISE %s
! RUN: %flang_fc1 -emit-fir -mllvm -math-runtime=precise %s -o - | FileCheck --check-prefixes=ALL,PRECISE %s

function test_real4(x, y)
  real :: x, y, test_real4
  test_real4 = atan2(x, y)
end function

! ALL-LABEL: @_QPtest_real4
! FAST: {{%[A-Za-z0-9._]+}} = math.atan2 {{%[A-Za-z0-9._]+}}, {{%[A-Za-z0-9._]+}} {{.*}}: f32
! RELAXED: {{%[A-Za-z0-9._]+}} = math.atan2 {{%[A-Za-z0-9._]+}}, {{%[A-Za-z0-9._]+}} {{.*}}: f32
! PRECISE: {{%[A-Za-z0-9._]+}} = fir.call @atan2f({{%[A-Za-z0-9._]+}}, {{%[A-Za-z0-9._]+}}) {{.*}}: (f32, f32) -> f32

function test_real8(x, y)
  real(8) :: x, y, test_real8
  test_real8 = atan2(x, y)
end function

! ALL-LABEL: @_QPtest_real8
! FAST: {{%[A-Za-z0-9._]+}} = math.atan2 {{%[A-Za-z0-9._]+}}, {{%[A-Za-z0-9._]+}} {{.*}}: f64
! RELAXED: {{%[A-Za-z0-9._]+}} = math.atan2 {{%[A-Za-z0-9._]+}}, {{%[A-Za-z0-9._]+}} {{.*}}: f64
! PRECISE: {{%[A-Za-z0-9._]+}} = fir.call @atan2({{%[A-Za-z0-9._]+}}, {{%[A-Za-z0-9._]+}}) {{.*}}: (f64, f64) -> f64

! PRECISE-DAG: func.func private @atan2f(f32, f32) -> f32 attributes {fir.bindc_name = "atan2f", fir.runtime}
! PRECISE-DAG: func.func private @atan2(f64, f64) -> f64 attributes {fir.bindc_name = "atan2", fir.runtime}