From a596c8dc2b78c985bff5ef6f2b92f3145caf3225 Mon Sep 17 00:00:00 2001 From: Valentin Clement Date: Wed, 13 Aug 2025 11:27:22 -0700 Subject: [PATCH 1/2] [flang][cuda] Add bind name for __ll2double_rX interfaces --- flang/module/cudadevice.f90 | 14 +++++++------- flang/test/Lower/CUDA/cuda-device-proc.cuf | 4 ++++ 2 files changed, 11 insertions(+), 7 deletions(-) diff --git a/flang/module/cudadevice.f90 b/flang/module/cudadevice.f90 index 03860e200cdd8..4f3625a8b07af 100644 --- a/flang/module/cudadevice.f90 +++ b/flang/module/cudadevice.f90 @@ -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 diff --git a/flang/test/Lower/CUDA/cuda-device-proc.cuf b/flang/test/Lower/CUDA/cuda-device-proc.cuf index b146f81030657..29a3f17898059 100644 --- a/flang/test/Lower/CUDA/cuda-device-proc.cuf +++ b/flang/test/Lower/CUDA/cuda-device-proc.cuf @@ -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} From 32c9bfd7642410e0103ff04543ed415a9de88fed Mon Sep 17 00:00:00 2001 From: Valentin Clement Date: Wed, 13 Aug 2025 14:47:41 -0700 Subject: [PATCH 2/2] Add missing checks --- flang/test/Lower/CUDA/cuda-device-proc.cuf | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/flang/test/Lower/CUDA/cuda-device-proc.cuf b/flang/test/Lower/CUDA/cuda-device-proc.cuf index 29a3f17898059..ab90dec790046 100644 --- a/flang/test/Lower/CUDA/cuda-device-proc.cuf +++ b/flang/test/Lower/CUDA/cuda-device-proc.cuf @@ -170,6 +170,10 @@ end ! CHECK: %{{.*}} = fir.call @__nv_ull2double_rz(%{{.*}}) proc_attrs fastmath : (i64) -> f64 ! CHECK: %{{.*}} = fir.call @__nv_float2half_rn(%{{.*}}) proc_attrs fastmath : (f32) -> f16 ! CHECK: %{{.*}} = fir.call @__nv_half2float(%{{.*}}) proc_attrs fastmath : (f16) -> f32 +! CHECK: %{{.*}} = fir.call @__nv_ll2double_rd(%{{.*}}) proc_attrs fastmath : (i64) -> f64 +! CHECK: %{{.*}} = fir.call @__nv_ll2double_rn(%{{.*}}) proc_attrs fastmath : (i64) -> f64 +! CHECK: %{{.*}} = fir.call @__nv_ll2double_ru(%{{.*}}) proc_attrs fastmath : (i64) -> f64 +! CHECK: %{{.*}} = fir.call @__nv_ll2double_rz(%{{.*}}) proc_attrs fastmath : (i64) -> f64 subroutine host1() integer, device :: a(32)