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[flang][cuda] Add missing bind name for __hiloint2double, __double2loint and __double2hiint #153713

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Merged
merged 1 commit into from
Aug 15, 2025
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[flang][cuda] Add missing bind name for __hiloint2double, __double2loint and __double2hiint #153713

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6 changes: 3 additions & 3 deletions flang/module/cudadevice.f90
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Original file line number Diff line number Diff line change
Expand Up @@ -654,21 +654,21 @@ attributes(device) real(8) function sinpi(x) bind(c,name='__nv_sinpi')
end interface

interface __double2loint
attributes(device) integer function __double2loint(r) bind(c)
attributes(device) integer function __double2loint(r) bind(c, name='__nv_double2loint')
!dir$ ignore_tkr (d) r
double precision, value :: r
end function
end interface

interface __double2hiint
attributes(device) integer function __double2hiint(r) bind(c)
attributes(device) integer function __double2hiint(r) bind(c, name='__nv_double2hiint')
!dir$ ignore_tkr (d) r
double precision, value :: r
end function
end interface

interface __hiloint2double
attributes(device) double precision function __hiloint2double(i, j) bind(c)
attributes(device) double precision function __hiloint2double(i, j) bind(c, name='__nv_hiloint2double')
!dir$ ignore_tkr (d) i, (d) j
integer, value :: i, j
end function
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27 changes: 27 additions & 0 deletions flang/test/Lower/CUDA/cuda-libdevice.cuf
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Expand Up @@ -244,3 +244,30 @@ end subroutine
! CHECK: %{{.*}} = fir.call @__nv_float2uint_rn(%{{.*}}) proc_attrs<bind_c> fastmath<contract> : (f32) -> i32
! CHECK: %{{.*}} = fir.call @__nv_float2uint_ru(%{{.*}}) proc_attrs<bind_c> fastmath<contract> : (f32) -> i32
! CHECK: %{{.*}} = fir.call @__nv_float2uint_rz(%{{.*}}) proc_attrs<bind_c> fastmath<contract> : (f32) -> i32

attributes(global) subroutine test_double2loint()
integer :: res
double precision :: r
res = __double2loint(r)
end subroutine

! CHECK-LABEL: _QPtest_double2loint
! CHECK: %{{.*}} = fir.call @__nv_double2loint(%{{.*}}) proc_attrs<bind_c> fastmath<contract> : (f64) -> i32

attributes(global) subroutine test_double2hiint()
integer :: res
double precision :: r
res = __double2hiint(r)
end subroutine

! CHECK-LABEL: _QPtest_double2hiint
! CHECK: %{{.*}} = fir.call @__nv_double2hiint(%{{.*}}) proc_attrs<bind_c> fastmath<contract> : (f64) -> i32

attributes(global) subroutine test_hiloint2double()
double precision :: res
integer :: i, j
res = __hiloint2double(i, j)
end subroutine

! CHECK-LABEL: _QPtest_hiloint2double
! CHECK: %{{.*}} = fir.call @__nv_hiloint2double(%{{.*}}, %{{.*}}) proc_attrs<bind_c> fastmath<contract> : (i32, i32) -> f64