File: device-fun-linkage.cu

package info (click to toggle)
llvm-toolchain-20 1%3A20.1.8-1~exp1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 2,111,388 kB
  • sloc: cpp: 7,438,767; ansic: 1,393,871; asm: 1,012,926; python: 241,728; f90: 86,635; objc: 75,411; lisp: 42,144; pascal: 17,286; sh: 10,027; ml: 5,082; perl: 4,730; awk: 3,523; makefile: 3,349; javascript: 2,251; xml: 892; fortran: 672
file content (32 lines) | stat: -rw-r--r-- 1,421 bytes parent folder | download | duplicates (4)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
// RUN: %clang_cc1 -triple nvptx -fcuda-is-device -emit-llvm -o - %s \
// RUN:   | FileCheck -check-prefix=NORDC %s
// RUN: %clang_cc1 -triple nvptx -fcuda-is-device -emit-llvm -o - %s \
// RUN:   | FileCheck -check-prefix=NORDC-NEG %s
// RUN: %clang_cc1 -triple nvptx -fcuda-is-device -fgpu-rdc -emit-llvm -o - %s \
// RUN:   | FileCheck -check-prefix=RDC %s
// RUN: %clang_cc1 -triple nvptx -fcuda-is-device -fgpu-rdc -emit-llvm -o - %s \
// RUN:   | FileCheck -check-prefix=RDC-NEG %s

#include "Inputs/cuda.h"

template <typename T> __device__ void func() {}
template <typename T> __global__ void kernel() {}

template __device__ void func<int>();
// NORDC:     define internal void @_Z4funcIiEvv()
// RDC:       define weak_odr void @_Z4funcIiEvv()

template __global__ void kernel<int>();
// NORDC:     define ptx_kernel void @_Z6kernelIiEvv()
// RDC:       define weak_odr ptx_kernel void @_Z6kernelIiEvv()

// Ensure that unused static device function is eliminated
static __device__ void static_func() {}
// NORDC-NEG-NOT: define{{.*}} void @_ZL13static_funcv()
// RDC-NEG-NOT:   define{{.*}} void @_ZL13static_funcv[[FILEID:.*]]()

// Ensure that kernel function has external or weak_odr
// linkage regardless static specifier
static __global__ void static_kernel() {}
// NORDC:     define ptx_kernel void @_ZL13static_kernelv()
// RDC:       define weak_odr ptx_kernel void @_ZL13static_kernelv[[FILEID:.*]]()