File: 2010-01-13-MemBarrier.c

package info (click to toggle)
llvm-toolchain-17 1%3A17.0.6-22
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 1,799,624 kB
  • sloc: cpp: 6,428,607; ansic: 1,383,196; asm: 793,408; python: 223,504; objc: 75,364; f90: 60,502; lisp: 33,869; pascal: 15,282; sh: 9,684; perl: 7,453; ml: 4,937; awk: 3,523; makefile: 2,889; javascript: 2,149; xml: 888; fortran: 619; cs: 573
file content (10 lines) | stat: -rw-r--r-- 279 bytes parent folder | download | duplicates (4) 
1
2
3
4
5
6
7
8
9
10
 
// RUN: %clang_cc1 %s -emit-llvm -o - | FileCheck %s
// rdar://7536390

typedef unsigned __INT32_TYPE__ uint32_t;

unsigned t(uint32_t *ptr, uint32_t val) {
  // CHECK:      @t
  // CHECK: atomicrmw xchg ptr {{.*}} seq_cst, align 4
  return __sync_lock_test_and_set(ptr, val);
}