| ; RUN: llc < %s -march=x86-64 -verify-machineinstrs | 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 |
| } |
