llvm/test/FrontendC/2010-01-13-MemBarrier.c
Dale Johannesen 9e90619a0e This test passes now on ppc darwin; if it doesn't pass
on some other ppc say something on the list.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@95265 91177308-0d34-0410-b5e6-96231b3b80d8
2010-02-03 22:33:17 +00:00

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C

// RUN: %llvmgcc %s -S -emit-llvm -o - | FileCheck %s
// XFAIL: sparc
// rdar://7536390
unsigned t(unsigned *ptr, unsigned val) {
// CHECK: @t
// CHECK: call void @llvm.memory.barrier
// CHECK-NEXT: call i32 @llvm.atomic.swap.i32
// CHECK-NEXT: call void @llvm.memory.barrier
return __sync_lock_test_and_set(ptr, val);
}