File: printf-builtin.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 (21 lines) | stat: -rw-r--r-- 630 bytes parent folder | download | duplicates (7) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
 
// REQUIRES: x86-registered-target
// REQUIRES: nvptx-registered-target
// RUN: %clang_cc1 -triple nvptx64-nvidia-cuda -emit-llvm -disable-llvm-optzns -fno-builtin-printf -fcuda-is-device \
// RUN:   -o - %s | FileCheck  %s

#define __device__ __attribute__((device))

extern "C" __device__ int printf(const char *format, ...);

// CHECK-LABEL: @_Z4foo1v()
__device__ int foo1() {
  // CHECK: call i32 @vprintf
  // CHECK-NOT: call i32 (ptr, ...) @printf
  return __builtin_printf("Hello World\n");
}

// CHECK-LABEL: @_Z4foo2v()
__device__ int foo2() {
  // CHECK: call i32 (ptr, ...) @printf
  return printf("Hello World\n");
}