; RUN: llc %s -mtriple=aarch64 -o - | FileCheck %s %struct.A = type { i8, i8, i8, i8, i8, i8, i8, i8, i32 } ; The existence of the final i32 value should not prevent the i8s from ; being merged. ; CHECK-LABEL: @merge_const_store ; CHECK-NOT: strb ; CHECK: str x8, [x1] ; CHECK-NOT: strb ; CHECK: str wzr, [x1, #8] ; CHECK-NOT: strb define void @merge_const_store(i32 %count, %struct.A* nocapture %p) { %1 = icmp sgt i32 %count, 0 br i1 %1, label %.lr.ph, label %._crit_edge .lr.ph: %i.02 = phi i32 [ %add, %.lr.ph ], [ 0, %0 ] %.01 = phi %struct.A* [ %addr, %.lr.ph ], [ %p, %0 ] %a2 = getelementptr inbounds %struct.A, %struct.A* %.01, i64 0, i32 0 store i8 1, i8* %a2, align 1 %a3 = getelementptr inbounds %struct.A, %struct.A* %.01, i64 0, i32 1 store i8 2, i8* %a3, align 1 %a4 = getelementptr inbounds %struct.A, %struct.A* %.01, i64 0, i32 2 store i8 3, i8* %a4, align 1 %a5 = getelementptr inbounds %struct.A, %struct.A* %.01, i64 0, i32 3 store i8 4, i8* %a5, align 1 %a6 = getelementptr inbounds %struct.A, %struct.A* %.01, i64 0, i32 4 store i8 5, i8* %a6, align 1 %a7 = getelementptr inbounds %struct.A, %struct.A* %.01, i64 0, i32 5 store i8 6, i8* %a7, align 1 %a8 = getelementptr inbounds %struct.A, %struct.A* %.01, i64 0, i32 6 store i8 7, i8* %a8, align 1 %a9 = getelementptr inbounds %struct.A, %struct.A* %.01, i64 0, i32 7 store i8 8, i8* %a9, align 1 ; %addr_last = getelementptr inbounds %struct.A, %struct.A* %.01, i64 0, i32 8 store i32 0, i32* %addr_last, align 4 %add = add nsw i32 %i.02, 1 %addr = getelementptr inbounds %struct.A, %struct.A* %.01, i64 1 %exitcond = icmp eq i32 %add, %count br i1 %exitcond, label %._crit_edge, label %.lr.ph ._crit_edge: ret void }