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[flang][cuda] Add bind names for __double2ll_rX interfaces #153660

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Merged
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Aug 14, 2025
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[flang][cuda] Add bind names for __double2ll_rX interfaces #153660

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14 changes: 7 additions & 7 deletions flang/module/cudadevice.f90
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Original file line number Diff line number Diff line change
Expand Up @@ -625,29 +625,29 @@ attributes(device) real(8) function sinpi(x) bind(c,name='__nv_sinpi')
end function
end interface

interface __double2ll_rn
attributes(device) integer(8) function __double2ll_rn(r) bind(c)
interface __double2ll_rd
attributes(device) integer(8) function __double2ll_rd(r) bind(c, name='__nv_double2ll_rd')
!dir$ ignore_tkr (d) r
double precision, value :: r
end function
end interface

interface __double2ll_rz
attributes(device) integer(8) function __double2ll_rz(r) bind(c)
interface __double2ll_rn
attributes(device) integer(8) function __double2ll_rn(r) bind(c, name='__nv_double2ll_rn')
!dir$ ignore_tkr (d) r
double precision, value :: r
end function
end interface

interface __double2ll_ru
attributes(device) integer(8) function __double2ll_ru(r) bind(c)
attributes(device) integer(8) function __double2ll_ru(r) bind(c, name='__nv_double2ll_ru')
!dir$ ignore_tkr (d) r
double precision, value :: r
end function
end interface

interface __double2ll_rd
attributes(device) integer(8) function __double2ll_rd(r) bind(c)
interface __double2ll_rz
attributes(device) integer(8) function __double2ll_rz(r) bind(c, name='__nv_double2ll_rz')
!dir$ ignore_tkr (d) r
double precision, value :: r
end function
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15 changes: 15 additions & 0 deletions flang/test/Lower/CUDA/cuda-libdevice.cuf
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Expand Up @@ -100,3 +100,18 @@ end subroutine
! CHECK-LABEL: _QPtest_exp
! CHECK: %{{.*}} = fir.call @__nv_expf(%{{.*}}) proc_attrs<bind_c> fastmath<contract> : (f32) -> f32
! CHECK: %{{.*}} = fir.call @__nv_exp10f(%{{.*}}) proc_attrs<bind_c> fastmath<contract> : (f32) -> f32

attributes(global) subroutine test_double2ll_rX()
integer(8) :: res
double precision :: r
res = __double2ll_rd(r)
res = __double2ll_rn(r)
res = __double2ll_ru(r)
res = __double2ll_rz(r)
end subroutine

! CHECK-LABEL: _QPtest_double2ll_rx
! CHECK: %{{.*}} = fir.call @__nv_double2ll_rd(%{{.*}}) proc_attrs<bind_c> fastmath<contract> : (f64) -> i64
! CHECK: %{{.*}} = fir.call @__nv_double2ll_rn(%{{.*}}) proc_attrs<bind_c> fastmath<contract> : (f64) -> i64
! CHECK: %{{.*}} = fir.call @__nv_double2ll_ru(%{{.*}}) proc_attrs<bind_c> fastmath<contract> : (f64) -> i64
! CHECK: %{{.*}} = fir.call @__nv_double2ll_rz(%{{.*}}) proc_attrs<bind_c> fastmath<contract> : (f64) -> i64