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[flang][cuda] Add interfaces for __int2float_rX #153708

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Merged
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Aug 14, 2025
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[flang][cuda] Add interfaces for __int2float_rX #153708

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[flang][cuda] Add interfaces for __int2float_rX
clementval Aug 14, 2025
fd10713
Merge branch 'main' into cuf_int2float
clementval Aug 14, 2025
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28 changes: 28 additions & 0 deletions flang/module/cudadevice.f90
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Original file line number Diff line number Diff line change
Expand Up @@ -583,6 +583,34 @@ attributes(device) real(8) function sinpi(x) bind(c,name='__nv_sinpi')
end function
end interface

interface __int2float_rd
attributes(device) real function __int2float_rd(i) bind(c, name='__nv_int2float_rd')
!dir$ ignore_tkr (d) i
integer, value :: i
end function
end interface

interface __int2float_rn
attributes(device) real function __int2float_rn(i) bind(c, name='__nv_int2float_rn')
!dir$ ignore_tkr (d) i
integer, value :: i
end function
end interface

interface __int2float_ru
attributes(device) real function __int2float_ru(i) bind(c, name='__nv_int2float_ru')
!dir$ ignore_tkr (d) i
integer, value :: i
end function
end interface

interface __int2float_rz
attributes(device) real function __int2float_rz(i) bind(c, name='__nv_int2float_rz')
!dir$ ignore_tkr (d) i
integer, value :: i
end function
end interface

interface __int2double_rn
attributes(device) double precision function __int2double_rn(i) bind(c)
!dir$ ignore_tkr (d) i
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15 changes: 15 additions & 0 deletions flang/test/Lower/CUDA/cuda-libdevice.cuf
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Expand Up @@ -176,3 +176,18 @@ end subroutine
! CHECK: %{{.*}} = fir.call @__nv_ll2float_rn(%{{.*}}) proc_attrs<bind_c> fastmath<contract> : (i64) -> f32
! CHECK: %{{.*}} = fir.call @__nv_ll2float_ru(%{{.*}}) proc_attrs<bind_c> fastmath<contract> : (i64) -> f32
! CHECK: %{{.*}} = fir.call @__nv_ll2float_rz(%{{.*}}) proc_attrs<bind_c> fastmath<contract> : (i64) -> f32

attributes(global) subroutine test_int2float_rX()
real :: res
integer :: i
res = __int2float_rd(i)
res = __int2float_rn(i)
res = __int2float_ru(i)
res = __int2float_rz(i)
end subroutine

! CHECK-LABEL: _QPtest_int2float_rx
! CHECK: %{{.*}} = fir.call @__nv_int2float_rd(%{{.*}}) proc_attrs<bind_c> fastmath<contract> : (i32) -> f32
! CHECK: %{{.*}} = fir.call @__nv_int2float_rn(%{{.*}}) proc_attrs<bind_c> fastmath<contract> : (i32) -> f32
! CHECK: %{{.*}} = fir.call @__nv_int2float_ru(%{{.*}}) proc_attrs<bind_c> fastmath<contract> : (i32) -> f32
! CHECK: %{{.*}} = fir.call @__nv_int2float_rz(%{{.*}}) proc_attrs<bind_c> fastmath<contract> : (i32) -> f32