Dylan McKay | 80463fe | 2017-12-09 06:45:36 +0000 | [diff] [blame] | 1 | ; RUN: llc -mattr=addsubiw < %s -march=avr | FileCheck %s |
| 2 | |
| 3 | ; This verifies that the middle end can handle an unaligned atomic load. |
| 4 | ; |
| 5 | ; In the past, an assertion inside the SelectionDAGBuilder would always |
| 6 | ; hit an assertion for unaligned loads and stores. |
| 7 | |
| 8 | %AtomicI16 = type { %CellI16, [0 x i8] } |
| 9 | %CellI16 = type { i16, [0 x i8] } |
| 10 | |
| 11 | ; CHECK-LABEL: foo |
| 12 | ; CHECK: ret |
| 13 | define void @foo(%AtomicI16* %self) { |
| 14 | start: |
| 15 | %a = getelementptr inbounds %AtomicI16, %AtomicI16* %self, i16 0, i32 0, i32 0 |
| 16 | load atomic i16, i16* %a seq_cst, align 1 |
| 17 | ret void |
| 18 | } |
| 19 | |