File: builtins.cu

package info (click to toggle)
llvm-toolchain-6.0 1%3A6.0.1-10
  • links: PTS, VCS
  • area: main
  • in suites: buster
  • size: 598,080 kB
  • sloc: cpp: 3,046,253; ansic: 595,057; asm: 271,965; python: 128,926; objc: 106,554; sh: 21,906; lisp: 10,191; pascal: 6,094; ml: 5,544; perl: 5,265; makefile: 2,227; cs: 2,027; xml: 686; php: 212; csh: 117
file content (31 lines) | stat: -rw-r--r-- 1,362 bytes parent folder | download | duplicates (12)
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
// Tests that host and target builtins can be used in the same TU,
// have appropriate host/device attributes and that CUDA call
// restrictions are enforced. Also verify that non-target builtins can
// be used from both host and device functions.
//
// REQUIRES: x86-registered-target
// REQUIRES: nvptx-registered-target
// RUN: %clang_cc1 -triple x86_64-unknown-unknown \
// RUN:     -aux-triple nvptx64-unknown-cuda \
// RUN:     -fsyntax-only -verify %s
// RUN: %clang_cc1 -triple nvptx64-unknown-cuda -fcuda-is-device \
// RUN:     -aux-triple x86_64-unknown-unknown \
// RUN:     -fsyntax-only -verify %s

#if !(defined(__amd64__) && defined(__PTX__))
#error "Expected to see preprocessor macros from both sides of compilation."
#endif

void hf() {
  int x = __builtin_ia32_rdtsc();
  int y = __nvvm_read_ptx_sreg_tid_x(); // expected-note  {{'__nvvm_read_ptx_sreg_tid_x' declared here}}
  // expected-error@-1 {{reference to __device__ function '__nvvm_read_ptx_sreg_tid_x' in __host__ function}}
  x = __builtin_abs(1);
}

__attribute__((device)) void df() {
  int x = __nvvm_read_ptx_sreg_tid_x();
  int y = __builtin_ia32_rdtsc(); // expected-error {{reference to __host__ function '__builtin_ia32_rdtsc' in __device__ function}}
                                  // expected-note@20 {{'__builtin_ia32_rdtsc' declared here}}
  x = __builtin_abs(1);
}