1 ; RUN: llc %s -mtriple=aarch64 -o - | FileCheck %s
3 %struct.A = type { i8, i8, i8, i8, i8, i8, i8, i8, i32 }
5 ; The existence of the final i32 value should not prevent the i8s from
8 ; CHECK-LABEL: @merge_const_store
12 ; CHECK: str wzr, [x1, #8]
14 define void @merge_const_store(i32 %count, %struct.A* nocapture %p) {
15 %1 = icmp sgt i32 %count, 0
16 br i1 %1, label %.lr.ph, label %._crit_edge
18 %i.02 = phi i32 [ %add, %.lr.ph ], [ 0, %0 ]
19 %.01 = phi %struct.A* [ %addr, %.lr.ph ], [ %p, %0 ]
20 %a2 = getelementptr inbounds %struct.A, %struct.A* %.01, i64 0, i32 0
21 store i8 1, i8* %a2, align 1
22 %a3 = getelementptr inbounds %struct.A, %struct.A* %.01, i64 0, i32 1
23 store i8 2, i8* %a3, align 1
24 %a4 = getelementptr inbounds %struct.A, %struct.A* %.01, i64 0, i32 2
25 store i8 3, i8* %a4, align 1
26 %a5 = getelementptr inbounds %struct.A, %struct.A* %.01, i64 0, i32 3
27 store i8 4, i8* %a5, align 1
28 %a6 = getelementptr inbounds %struct.A, %struct.A* %.01, i64 0, i32 4
29 store i8 5, i8* %a6, align 1
30 %a7 = getelementptr inbounds %struct.A, %struct.A* %.01, i64 0, i32 5
31 store i8 6, i8* %a7, align 1
32 %a8 = getelementptr inbounds %struct.A, %struct.A* %.01, i64 0, i32 6
33 store i8 7, i8* %a8, align 1
34 %a9 = getelementptr inbounds %struct.A, %struct.A* %.01, i64 0, i32 7
35 store i8 8, i8* %a9, align 1
38 %addr_last = getelementptr inbounds %struct.A, %struct.A* %.01, i64 0, i32 8
39 store i32 0, i32* %addr_last, align 4
42 %add = add nsw i32 %i.02, 1
43 %addr = getelementptr inbounds %struct.A, %struct.A* %.01, i64 1
44 %exitcond = icmp eq i32 %add, %count
45 br i1 %exitcond, label %._crit_edge, label %.lr.ph