Eric Christopher | c9321737 | 2011-06-30 00:48:30 +0000 | [diff] [blame] | 1 | ; RUN: llc < %s -march=x86-64 | FileCheck %s |
| 2 | |
| 3 | ; rdar://9692967 |
| 4 | |
Eric Christopher | a8a56f7 | 2011-07-01 23:04:38 +0000 | [diff] [blame] | 5 | define void @t1(i64* %p, i32 %b) nounwind { |
Eric Christopher | c9321737 | 2011-06-30 00:48:30 +0000 | [diff] [blame] | 6 | entry: |
| 7 | %p.addr = alloca i64*, align 8 |
| 8 | store i64* %p, i64** %p.addr, align 8 |
| 9 | %tmp = load i64** %p.addr, align 8 |
Eric Christopher | a8a56f7 | 2011-07-01 23:04:38 +0000 | [diff] [blame] | 10 | ; CHECK: t1: |
| 11 | ; CHECK: movl $2147483648, %eax |
Eric Christopher | c9321737 | 2011-06-30 00:48:30 +0000 | [diff] [blame] | 12 | ; CHECK: lock |
Eric Christopher | 2eca9d5 | 2011-07-02 04:06:41 +0000 | [diff] [blame] | 13 | ; CHECK-NEXT: orq %r{{.*}}, (%r{{.*}}) |
Eli Friedman | a486cb9 | 2011-09-26 23:15:09 +0000 | [diff] [blame^] | 14 | %0 = atomicrmw or i64* %tmp, i64 2147483648 seq_cst |
Eric Christopher | c9321737 | 2011-06-30 00:48:30 +0000 | [diff] [blame] | 15 | ret void |
| 16 | } |
Eric Christopher | a8a56f7 | 2011-07-01 23:04:38 +0000 | [diff] [blame] | 17 | |
| 18 | define void @t2(i64* %p, i32 %b) nounwind { |
| 19 | entry: |
| 20 | %p.addr = alloca i64*, align 8 |
| 21 | store i64* %p, i64** %p.addr, align 8 |
| 22 | %tmp = load i64** %p.addr, align 8 |
Eric Christopher | a8a56f7 | 2011-07-01 23:04:38 +0000 | [diff] [blame] | 23 | ; CHECK: t2: |
Eric Christopher | a8a56f7 | 2011-07-01 23:04:38 +0000 | [diff] [blame] | 24 | ; CHECK: lock |
Eric Christopher | 2eca9d5 | 2011-07-02 04:06:41 +0000 | [diff] [blame] | 25 | ; CHECK-NEXT: orq $2147483644, (%r{{.*}}) |
Eli Friedman | a486cb9 | 2011-09-26 23:15:09 +0000 | [diff] [blame^] | 26 | %0 = atomicrmw or i64* %tmp, i64 2147483644 seq_cst |
Eric Christopher | a8a56f7 | 2011-07-01 23:04:38 +0000 | [diff] [blame] | 27 | ret void |
| 28 | } |