1 ; RUN: llc < %s -march=x86-64 -verify-machineinstrs | FileCheck %s
5 define void @t1(i64* %p, i32 %b) nounwind {
7 %p.addr = alloca i64*, align 8
8 store i64* %p, i64** %p.addr, align 8
9 %tmp = load i64*, i64** %p.addr, align 8
11 ; CHECK: movl $2147483648, %eax
12 ; CHECK: lock orq %r{{.*}}, (%r{{.*}})
13 %0 = atomicrmw or i64* %tmp, i64 2147483648 seq_cst
17 define void @t2(i64* %p, i32 %b) nounwind {
19 %p.addr = alloca i64*, align 8
20 store i64* %p, i64** %p.addr, align 8
21 %tmp = load i64*, i64** %p.addr, align 8
23 ; CHECK: lock orq $2147483644, (%r{{.*}})
24 %0 = atomicrmw or i64* %tmp, i64 2147483644 seq_cst