1; RUN: llc < %s -mtriple=x86_64-- -verify-machineinstrs | FileCheck %s
2
3; rdar://9692967
4
5define void @t1(ptr %p, i32 %b) nounwind {
6entry:
7  %p.addr = alloca ptr, align 8
8  store ptr %p, ptr %p.addr, align 8
9  %tmp = load ptr, ptr %p.addr, align 8
10; CHECK-LABEL: t1:
11; CHECK: movl    $2147483648, %eax
12; CHECK: lock orq %r{{.*}}, (%r{{.*}})
13  %0 = atomicrmw or ptr %tmp, i64 2147483648 seq_cst
14  ret void
15}
16
17define void @t2(ptr %p, i32 %b) nounwind {
18entry:
19  %p.addr = alloca ptr, align 8
20  store ptr %p, ptr %p.addr, align 8
21  %tmp = load ptr, ptr %p.addr, align 8
22; CHECK-LABEL: t2:
23; CHECK: lock orq $2147483644, (%r{{.*}})
24  %0 = atomicrmw or ptr %tmp, i64 2147483644 seq_cst
25  ret void
26}
27