mirror of
https://github.com/NVIDIA/cuda-samples.git
synced 2024-10-06 22:29:15 +08:00
59 lines
2.5 KiB
LLVM
59 lines
2.5 KiB
LLVM
; Copyright (c) 2014-2023, NVIDIA CORPORATION. All rights reserved.
|
|
;
|
|
; Redistribution and use in source and binary forms, with or without
|
|
; modification, are permitted provided that the following conditions
|
|
; are met:
|
|
; * Redistributions of source code must retain the above copyright
|
|
; notice, this list of conditions and the following disclaimer.
|
|
; * Redistributions in binary form must reproduce the above copyright
|
|
; notice, this list of conditions and the following disclaimer in the
|
|
; documentation and/or other materials provided with the distribution.
|
|
; * Neither the name of NVIDIA CORPORATION nor the names of its
|
|
; contributors may be used to endorse or promote products derived
|
|
; from this software without specific prior written permission.
|
|
;
|
|
; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
|
|
; EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
; IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
; PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
|
|
; CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
|
; EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
|
; PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
|
|
; PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
|
|
; OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
; (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
; OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
; This NVVM IR program shows how to use unsize external shared memory.
|
|
; What it does is similar to the following CUDA C code.
|
|
;
|
|
; extern __shared__ int a[];
|
|
;
|
|
; __global__ void foo()
|
|
; {
|
|
; int *p1 = a;
|
|
; float *p2 = (float *)&a[10];
|
|
;
|
|
; *p1 = 10;
|
|
; *p2 = 21.0f;
|
|
; }
|
|
;
|
|
|
|
target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-i128:128:128-f32:32:32-f64:64:64-v16:16:16-v32:32:32-v64:64:64-v128:128:128-n16:32:64"
|
|
target triple = "nvptx64-nvidia-cuda"
|
|
|
|
@a = external addrspace(3) global [0 x i32]
|
|
|
|
define void @foo() {
|
|
entry:
|
|
store i32 10, i32 addrspace(3)* getelementptr inbounds ([0 x i32], [0 x i32] addrspace(3)* @a, i64 0, i64 0), align 4
|
|
store float 2.100000e+01, float addrspace(3)* bitcast (i32 addrspace(3)* getelementptr inbounds ([0 x i32], [0 x i32] addrspace(3)* @a, i64 0, i64 10) to float addrspace(3)*), align 4
|
|
ret void
|
|
}
|
|
|
|
!nvvm.annotations = !{!0}
|
|
!0 = !{void ()* @foo, !"kernel", i32 1}
|
|
|
|
!nvvmir.version = !{!1}
|
|
!1 = !{i32 2, i32 0}
|