! RUN: %flang_fc1 -emit-hlfir -mllvm -outline-intrinsics %s -o - | FileCheck %s --check-prefixes=%if system-aix %{"CHECK,CMPLX,CMPLX-PRECISE,AIX-LOG"%} %else %{"CHECK,CMPLX,CMPLX-PRECISE,COMMON-LOG"%}
! RUN: %flang_fc1 -emit-hlfir -mllvm -outline-intrinsics -mllvm --math-runtime=precise %s -o - | FileCheck %s --check-prefixes=%if system-aix %{"CMPLX,CMPLX-PRECISE,AIX-LOG"%} %else %{"CMPLX,CMPLX-PRECISE,COMMON-LOG"%}
! RUN: %flang_fc1 -emit-hlfir -mllvm -outline-intrinsics -mllvm --force-mlir-complex %s -o - | FileCheck %s --check-prefixes="CMPLX,CMPLX-FAST,CMPLX-MLIR"
! RUN: %flang_fc1 -fapprox-func -emit-hlfir -mllvm -outline-intrinsics %s -o - | FileCheck %s --check-prefixes="CMPLX,CMPLX-APPROX"

! CHECK-LABEL: func.func @_QPlog_testr(
! CHECK-SAME: %[[AREF:.*]]: !fir.ref<f32> {{.*}}, %[[BREF:.*]]: !fir.ref<f32> {{.*}})
subroutine log_testr(a, b)
  real :: a, b
! CHECK-DAG: %[[A:.*]]:2 = hlfir.declare %[[AREF]]
! CHECK-DAG: %[[B:.*]]:2 = hlfir.declare %[[BREF]]
! CHECK:  %[[AVAL:.*]] = fir.load %[[A]]#0 : !fir.ref<f32>
! CHECK:  %[[RES:.*]] = fir.call @fir.log.contract.f32.f32(%[[AVAL]]) {{.*}}: (f32) -> f32
! CHECK:  hlfir.assign %[[RES]] to %[[B]]#0 : f32, !fir.ref<f32>
  b = log(a)
end subroutine

! CHECK-LABEL: func.func @_QPlog_testd(
! CHECK-SAME: %[[AREF:.*]]: !fir.ref<f64> {{.*}}, %[[BREF:.*]]: !fir.ref<f64> {{.*}})
subroutine log_testd(a, b)
  real(kind=8) :: a, b
! CHECK-DAG: %[[A:.*]]:2 = hlfir.declare %[[AREF]]
! CHECK-DAG: %[[B:.*]]:2 = hlfir.declare %[[BREF]]
! CHECK:  %[[AVAL:.*]] = fir.load %[[A]]#0 : !fir.ref<f64>
! CHECK:  %[[RES:.*]] = fir.call @fir.log.contract.f64.f64(%[[AVAL]]) {{.*}}: (f64) -> f64
! CHECK:  hlfir.assign %[[RES]] to %[[B]]#0 : f64, !fir.ref<f64>
  b = log(a)
end subroutine

! CHECK-LABEL: func.func @_QPlog_testc(
! CHECK-SAME: %[[AREF:.*]]: !fir.ref<complex<f32>> {{.*}}, %[[BREF:.*]]: !fir.ref<complex<f32>> {{.*}})
subroutine log_testc(a, b)
  complex :: a, b
! CHECK-DAG: %[[A:.*]]:2 = hlfir.declare %[[AREF]]
! CHECK-DAG: %[[B:.*]]:2 = hlfir.declare %[[BREF]]
! CHECK:  %[[AVAL:.*]] = fir.load %[[A]]#0 : !fir.ref<complex<f32>>
! CHECK:  %[[RES:.*]] = fir.call @fir.log.contract.z32.z32(%[[AVAL]]) {{.*}}: (complex<f32>) -> complex<f32>
! CHECK:  hlfir.assign %[[RES]] to %[[B]]#0 : complex<f32>, !fir.ref<complex<f32>>
  b = log(a)
end subroutine

! CHECK-LABEL: func.func @_QPlog_testcd(
! CHECK-SAME: %[[AREF:.*]]: !fir.ref<complex<f64>> {{.*}}, %[[BREF:.*]]: !fir.ref<complex<f64>> {{.*}})
subroutine log_testcd(a, b)
  complex(kind=8) :: a, b
! CHECK-DAG: %[[A:.*]]:2 = hlfir.declare %[[AREF]]
! CHECK-DAG: %[[B:.*]]:2 = hlfir.declare %[[BREF]]
! CHECK:  %[[AVAL:.*]] = fir.load %[[A]]#0 : !fir.ref<complex<f64>>
! CHECK:  %[[RES:.*]] = fir.call @fir.log.contract.z64.z64(%[[AVAL]]) {{.*}}: (complex<f64>) -> complex<f64>
! CHECK:  hlfir.assign %[[RES]] to %[[B]]#0 : complex<f64>, !fir.ref<complex<f64>>
  b = log(a)
end subroutine

! CHECK-LABEL: func.func @_QPlog10_testr(
! CHECK-SAME: %[[AREF:.*]]: !fir.ref<f32> {{.*}}, %[[BREF:.*]]: !fir.ref<f32> {{.*}})
subroutine log10_testr(a, b)
  real :: a, b
! CHECK-DAG: %[[A:.*]]:2 = hlfir.declare %[[AREF]]
! CHECK-DAG: %[[B:.*]]:2 = hlfir.declare %[[BREF]]
! CHECK:  %[[AVAL:.*]] = fir.load %[[A]]#0 : !fir.ref<f32>
! CHECK:  %[[RES:.*]] = fir.call @fir.log10.contract.f32.f32(%[[AVAL]]) {{.*}}: (f32) -> f32
! CHECK:  hlfir.assign %[[RES]] to %[[B]]#0 : f32, !fir.ref<f32>
  b = log10(a)
end subroutine

! CHECK-LABEL: func.func @_QPlog10_testd(
! CHECK-SAME: %[[AREF:.*]]: !fir.ref<f64> {{.*}}, %[[BREF:.*]]: !fir.ref<f64> {{.*}})
subroutine log10_testd(a, b)
  real(kind=8) :: a, b
! CHECK-DAG: %[[A:.*]]:2 = hlfir.declare %[[AREF]]
! CHECK-DAG: %[[B:.*]]:2 = hlfir.declare %[[BREF]]
! CHECK:  %[[AVAL:.*]] = fir.load %[[A]]#0 : !fir.ref<f64>
! CHECK:  %[[RES:.*]] = fir.call @fir.log10.contract.f64.f64(%[[AVAL]]) {{.*}}: (f64) -> f64
! CHECK:  hlfir.assign %[[RES]] to %[[B]]#0 : f64, !fir.ref<f64>
  b = log10(a)
end subroutine

! CHECK-LABEL: private @fir.log.contract.f32.f32
! CHECK-SAME: (%[[ARG32_OUTLINE:.*]]: f32) -> f32
! CHECK: %[[RESULT32_OUTLINE:.*]] = math.log %[[ARG32_OUTLINE]] fastmath<contract> : f32
! CHECK: return %[[RESULT32_OUTLINE]] : f32

! CHECK-LABEL: private @fir.log.contract.f64.f64
! CHECK-SAME: (%[[ARG64_OUTLINE:.*]]: f64) -> f64
! CHECK: %[[RESULT64_OUTLINE:.*]] = math.log %[[ARG64_OUTLINE]] fastmath<contract> : f64
! CHECK: return %[[RESULT64_OUTLINE]] : f64

! CMPLX-APPROX-LABEL: private @fir.log.contract_afn.z32.z32
! CMPLX-PRECISE-LABEL: private @fir.log.contract.z32.z32
! CMPLX-MLIR-LABEL: private @fir.log.contract.z32.z32
! CMPLX-SAME: (%[[C:.*]]: complex<f32>) -> complex<f32>
! CMPLX-FAST: %[[E:.*]] = complex.log %[[C]] fastmath<contract> : complex<f32>
! CMPLX-APPROX: %[[E:.*]] = complex.log %[[C]] fastmath<contract,afn> : complex<f32>
! CMPLX-PRECISE: %[[E:.*]] = fir.call @clogf(%[[C]]) fastmath<contract> : (complex<f32>) -> complex<f32>
! CMPLX: return %[[E]] : complex<f32>

! CMPLX-APPROX-LABEL: private @fir.log.contract_afn.z64.z64
! CMPLX-PRECISE-LABEL: private @fir.log.contract.z64.z64
! CMPLX-MLIR-LABEL: private @fir.log.contract.z64.z64
! CMPLX-SAME: (%[[C:.*]]: complex<f64>) -> complex<f64>
! CMPLX-FAST: %[[E:.*]] = complex.log %[[C]] fastmath<contract> : complex<f64>
! CMPLX-APPROX: %[[E:.*]] = complex.log %[[C]] fastmath<contract,afn> : complex<f64>
! COMMON-LOG: %[[E:.*]] = fir.call @clog(%[[C]]) fastmath<contract> : (complex<f64>) -> complex<f64>
! AIX-LOG: %[[E:.*]] = fir.call @__clog(%[[C]]) fastmath<contract> : (complex<f64>) -> complex<f64>
! CMPLX: return %[[E]] : complex<f64>

! CHECK-LABEL: private @fir.log10.contract.f32.f32
! CHECK-SAME: (%[[ARG32_OUTLINE:.*]]: f32) -> f32
! CHECK: %[[RESULT32_OUTLINE:.*]] = math.log10 %[[ARG32_OUTLINE]] fastmath<contract> : f32
! CHECK: return %[[RESULT32_OUTLINE]] : f32

! CHECK-LABEL: private @fir.log10.contract.f64.f64
! CHECK-SAME: (%[[ARG64_OUTLINE:.*]]: f64) -> f64
! CHECK: %[[RESULT64_OUTLINE:.*]] = math.log10 %[[ARG64_OUTLINE]] fastmath<contract> : f64
! CHECK: return %[[RESULT64_OUTLINE]] : f64