1; RUN: llc -mattr=addsubiw < %s -mtriple=avr | FileCheck %s 2 3; This verifies that the backend can handle an unaligned atomic load and store. 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 13define void @foo(ptr %self) { 14start: 15 %a = getelementptr inbounds %AtomicI16, ptr %self, i16 0, i32 0, i32 0 16 load atomic i16, ptr %a seq_cst, align 1 17 store atomic i16 5, ptr %a seq_cst, align 1 18 ret void 19} 20 21