[flang-commits] [flang] [flang][cuda] Add interfaces for __float2int_rX and __float2unit_rX (PR #153691)

[via flang-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-flang-fir-hlfir

Author: Valentin Clement (バレンタイン クレメン) (clementval)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/153691.diff


2 Files Affected:

- (modified) flang/module/cudadevice.f90 (+56) 
- (modified) flang/test/Lower/CUDA/cuda-libdevice.cuf (+30) 


``````````diff
diff --git a/flang/module/cudadevice.f90 b/flang/module/cudadevice.f90
index 1e403b1ffdb91..cc84662466116 100644
--- a/flang/module/cudadevice.f90
+++ b/flang/module/cudadevice.f90
@@ -471,6 +471,62 @@ attributes(device) real(8) function sinpi(x) bind(c,name='__nv_sinpi')
     end function
   end interface
 
+  interface __float2int_rd
+    attributes(device) integer function __float2int_rd(r) bind(c, name='__nv_float2int_rd')
+      !dir$ ignore_tkr (d) r
+      real, value :: r
+    end function
+  end interface
+
+  interface __float2int_rn
+    attributes(device) integer function __float2int_rn(r) bind(c, name='__nv_float2int_rn')
+      !dir$ ignore_tkr (d) r
+      real, value :: r
+    end function
+  end interface
+
+  interface __float2int_ru
+    attributes(device) integer function __float2int_ru(r) bind(c, name='__nv_float2int_ru')
+      !dir$ ignore_tkr (d) r
+      real, value :: r
+    end function
+  end interface
+
+  interface __float2int_rz
+    attributes(device) integer function __float2int_rz(r) bind(c, name='__nv_float2int_rz')
+      !dir$ ignore_tkr (d) r
+      real, value :: r
+    end function
+  end interface
+
+  interface __float2uint_rd
+    attributes(device) integer function __float2uint_rd(r) bind(c, name='__nv_float2uint_rd')
+      !dir$ ignore_tkr (d) r
+      real, value :: r
+    end function
+  end interface
+
+  interface __float2uint_rn
+    attributes(device) integer function __float2uint_rn(r) bind(c, name='__nv_float2uint_rn')
+      !dir$ ignore_tkr (d) r
+      real, value :: r
+    end function
+  end interface
+
+  interface __float2uint_ru
+    attributes(device) integer function __float2uint_ru(r) bind(c, name='__nv_float2uint_ru')
+      !dir$ ignore_tkr (d) r
+      real, value :: r
+    end function
+  end interface
+
+  interface __float2uint_rz
+    attributes(device) integer function __float2uint_rz(r) bind(c, name='__nv_float2uint_rz')
+      !dir$ ignore_tkr (d) r
+      real, value :: r
+    end function
+  end interface
+
   interface __half2float
     attributes(device) real function __half2float(i) bind(c, name='__nv_half2float')
       !dir$ ignore_tkr (d) i
diff --git a/flang/test/Lower/CUDA/cuda-libdevice.cuf b/flang/test/Lower/CUDA/cuda-libdevice.cuf
index 844bdb954924a..8e8f1c8e4ec76 100644
--- a/flang/test/Lower/CUDA/cuda-libdevice.cuf
+++ b/flang/test/Lower/CUDA/cuda-libdevice.cuf
@@ -115,3 +115,33 @@ end subroutine
 ! 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
+
+attributes(global) subroutine test_float2int_rX()
+  integer :: res
+  real :: r
+  res = __float2int_rd(r)
+  res = __float2int_rn(r)
+  res = __float2int_ru(r)
+  res = __float2int_rz(r)
+end subroutine
+
+! CHECK-LABEL: _QPtest_float2int_rx
+! CHECK: %{{.*}} = fir.call @__nv_float2int_rd(%{{.*}}) proc_attrs<bind_c> fastmath<contract> : (f32) -> i32    
+! CHECK: %{{.*}} = fir.call @__nv_float2int_rn(%{{.*}}) proc_attrs<bind_c> fastmath<contract> : (f32) -> i32
+! CHECK: %{{.*}} = fir.call @__nv_float2int_ru(%{{.*}}) proc_attrs<bind_c> fastmath<contract> : (f32) -> i32
+! CHECK: %{{.*}} = fir.call @__nv_float2int_rz(%{{.*}}) proc_attrs<bind_c> fastmath<contract> : (f32) -> i32
+
+attributes(global) subroutine test_float2uint_rX()
+  integer :: res
+  real :: r
+  res = __float2uint_rd(r)
+  res = __float2uint_rn(r)
+  res = __float2uint_ru(r)
+  res = __float2uint_rz(r)
+end subroutine
+
+! CHECK-LABEL: _QPtest_float2uint_rx
+! CHECK: %{{.*}} = fir.call @__nv_float2uint_rd(%{{.*}}) proc_attrs<bind_c> fastmath<contract> : (f32) -> i32
+! 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

``````````

</details>


https://github.com/llvm/llvm-project/pull/153691