| ; RUN: llc -mattr=addsubiw < %s -mtriple=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(ptr %self) { | |
| start: | |
| %a = getelementptr inbounds %AtomicI16, ptr %self, i16 0, i32 0, i32 0 | |
| load atomic i16, ptr %a seq_cst, align 1 | |
| store atomic i16 5, ptr %a seq_cst, align 1 | |
| ret void | |
| } | |