flang/test/Lower/math-lowering/anint.f90

! RUN: %flang_fc1 -emit-hlfir -o - -mllvm -math-runtime=fast %s \
! RUN: | FileCheck %s --check-prefixes=ALL,FAST%if target=x86_64{{.*}} %{,ALL-KIND10,FAST-KIND10%}

! RUN: %flang_fc1 -emit-hlfir -o - -mllvm -math-runtime=relaxed %s \
! RUN: | FileCheck %s --check-prefixes=ALL,RELAXED%if target=x86_64{{.*}} %{,ALL-KIND10,RELAXED-KIND10%}

! RUN: %flang_fc1 -emit-hlfir -o - -mllvm -math-runtime=precise %s \
! RUN: | FileCheck %s --check-prefixes=ALL,PRECISE%if target=x86_64{{.*}} %{,ALL-KIND10,PRECISE-KIND10%}

function test_real4(x)
  real :: x, test_real4
  test_real4 = anint(x)
end function

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

function test_real8(x)
  real(8) :: x, test_real8
  test_real8 = anint(x)
end function

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

function test_real10(x)
  integer, parameter :: kind10 = merge(10, 4, selected_real_kind(p=18).eq.10)
  real(kind10) :: x, test_real10
  test_real10 = anint(x)
end function

! ALL-KIND10-LABEL: @_QPtest_real10
! FAST-KIND10: {{%[A-Za-z0-9._]+}} = llvm.intr.round({{%[A-Za-z0-9._]+}}) : (f80) -> f80
! RELAXED-KIND10: {{%[A-Za-z0-9._]+}} = llvm.intr.round({{%[A-Za-z0-9._]+}}) : (f80) -> f80
! PRECISE-KIND10: {{%[A-Za-z0-9._]+}} = fir.call @llvm.round.f80({{%[A-Za-z0-9._]+}}) {{.*}}: (f80) -> f80

! TODO: wait until fp128 is supported well in llvm.round
!function test_real16(x)
!  real(16) :: x, test_real16
!  test_real16 = anint(x)
!end function

! PRECISE-DAG: func.func private @llvm.round.f32(f32) -> f32 attributes {fir.bindc_name = "llvm.round.f32", fir.runtime}
! PRECISE-DAG: func.func private @llvm.round.f64(f64) -> f64 attributes {fir.bindc_name = "llvm.round.f64", fir.runtime}
! PRECISE-KIND10-DAG: func.func private @llvm.round.f80(f80) -> f80 attributes {fir.bindc_name = "llvm.round.f80", fir.runtime}