File: 2010-01-13-MemBarrier.c

package info (click to toggle)
llvm-toolchain-14 1%3A14.0.6-16
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 1,496,368 kB
  • sloc: cpp: 5,593,980; ansic: 986,873; asm: 585,869; python: 184,223; objc: 72,530; lisp: 31,119; f90: 27,793; javascript: 9,780; pascal: 9,762; sh: 9,482; perl: 7,468; ml: 5,432; awk: 3,523; makefile: 2,547; xml: 953; cs: 573; fortran: 567
file content (10 lines) | stat: -rw-r--r-- 280 bytes parent folder | download | duplicates (6)
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 i32* {{.*}} seq_cst, align 4
  return __sync_lock_test_and_set(ptr, val);
}