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[flang][cuda] Add bind name for __ll2double_rX interfaces #153462

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Aug 13, 2025
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[flang][cuda] Add bind name for __ll2double_rX interfaces #153462

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a596c8d
[flang][cuda] Add bind name for __ll2double_rX interfaces
clementval Aug 13, 2025
32c9bfd
Add missing checks
clementval Aug 13, 2025
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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 @@ -639,29 +639,29 @@ attributes(device) real(8) function sinpi(x) bind(c,name='__nv_sinpi')
end function
end interface

interface __ll2double_rn
attributes(device) double precision function __ll2double_rn(i) bind(c)
interface __ll2double_rd
attributes(device) double precision function __ll2double_rd(i) bind(c, name='__nv_ll2double_rd')
!dir$ ignore_tkr (d) i
integer(8), value :: i
end function
end interface

interface __ll2double_rz
attributes(device) double precision function __ll2double_rz(i) bind(c)
interface __ll2double_rn
attributes(device) double precision function __ll2double_rn(i) bind(c, name='__nv_ll2double_rn')
!dir$ ignore_tkr (d) i
integer(8), value :: i
end function
end interface

interface __ll2double_ru
attributes(device) double precision function __ll2double_ru(i) bind(c)
attributes(device) double precision function __ll2double_ru(i) bind(c, name='__nv_ll2double_ru')
!dir$ ignore_tkr (d) i
integer(8), value :: i
end function
end interface

interface __ll2double_rd
attributes(device) double precision function __ll2double_rd(i) bind(c)
interface __ll2double_rz
attributes(device) double precision function __ll2double_rz(i) bind(c, name='__nv_ll2double_rz')
!dir$ ignore_tkr (d) i
integer(8), value :: i
end function
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8 changes: 8 additions & 0 deletions flang/test/Lower/CUDA/cuda-device-proc.cuf
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Expand Up @@ -90,6 +90,10 @@ attributes(global) subroutine devsub()
ad = __ull2double_rz(al)
r2 = __float2half_rn(af)
af = __half2float(r2)
ad = __ll2double_rd(al)
ad = __ll2double_rn(al)
ad = __ll2double_ru(al)
ad = __ll2double_rz(al)
end

! CHECK-LABEL: func.func @_QPdevsub() attributes {cuf.proc_attr = #cuf.cuda_proc<global>}
Expand Down Expand Up @@ -166,6 +170,10 @@ end
! CHECK: %{{.*}} = fir.call @__nv_ull2double_rz(%{{.*}}) proc_attrs<bind_c> fastmath<contract> : (i64) -> f64
! CHECK: %{{.*}} = fir.call @__nv_float2half_rn(%{{.*}}) proc_attrs<bind_c> fastmath<contract> : (f32) -> f16
! CHECK: %{{.*}} = fir.call @__nv_half2float(%{{.*}}) proc_attrs<bind_c> fastmath<contract> : (f16) -> f32
! CHECK: %{{.*}} = fir.call @__nv_ll2double_rd(%{{.*}}) proc_attrs<bind_c> fastmath<contract> : (i64) -> f64
! CHECK: %{{.*}} = fir.call @__nv_ll2double_rn(%{{.*}}) proc_attrs<bind_c> fastmath<contract> : (i64) -> f64
! CHECK: %{{.*}} = fir.call @__nv_ll2double_ru(%{{.*}}) proc_attrs<bind_c> fastmath<contract> : (i64) -> f64
! CHECK: %{{.*}} = fir.call @__nv_ll2double_rz(%{{.*}}) proc_attrs<bind_c> fastmath<contract> : (i64) -> f64

subroutine host1()
integer, device :: a(32)
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