| ; RUN: llc < %s -march=x86-64 | FileCheck %s | |
| ; rdar://9692967 | |
| define void @t1(i64* %p, i32 %b) nounwind { | |
| entry: | |
| %p.addr = alloca i64*, align 8 | |
| store i64* %p, i64** %p.addr, align 8 | |
| %tmp = load i64** %p.addr, align 8 | |
| ; CHECK: t1: | |
| ; CHECK: movl $2147483648, %eax | |
| ; CHECK: lock | |
| ; CHECK-NEXT: orq %r{{.*}}, (%r{{.*}}) | |
| %0 = atomicrmw or i64* %tmp, i64 2147483648 seq_cst | |
| ret void | |
| } | |
| define void @t2(i64* %p, i32 %b) nounwind { | |
| entry: | |
| %p.addr = alloca i64*, align 8 | |
| store i64* %p, i64** %p.addr, align 8 | |
| %tmp = load i64** %p.addr, align 8 | |
| ; CHECK: t2: | |
| ; CHECK: lock | |
| ; CHECK-NEXT: orq $2147483644, (%r{{.*}}) | |
| %0 = atomicrmw or i64* %tmp, i64 2147483644 seq_cst | |
| ret void | |
| } |