| ; RUN: llc -mattr=addsubiw < %s -march=avr | FileCheck %s |
| |
| ; This verifies that the backend can handle an unaligned atomic load and store. |
| ; |
| ; In the past, an assertion inside the SelectionDAGBuilder would always |
| ; hit an assertion for unaligned loads and stores. |
| |
| %AtomicI16 = type { %CellI16, [0 x i8] } |
| %CellI16 = type { i16, [0 x i8] } |
| |
| ; CHECK-LABEL: foo |
| ; CHECK: ret |
| define void @foo(%AtomicI16* %self) { |
| start: |
| %a = getelementptr inbounds %AtomicI16, %AtomicI16* %self, i16 0, i32 0, i32 0 |
| load atomic i16, i16* %a seq_cst, align 1 |
| store atomic i16 5, i16* %a seq_cst, align 1 |
| ret void |
| } |
| |
