1; RUN: opt -passes='lto<O3>' -S %s | FileCheck %s 2 3target triple = "arm64e-apple-darwin" 4 5@A = external unnamed_addr global ptr, align 8 6@B = external unnamed_addr global ptr, align 8 7@C = internal unnamed_addr global i32 0, align 4 8@D = external unnamed_addr global i32, align 4 9 10; CHECK-LABEL: @fn 11; CHECK: vector.body: 12; 13define void @fn() { 14entry: 15 %v.D = load i32, ptr @D, align 4 16 store i32 %v.D, ptr @C, align 4 17 call void @clobber() 18 19 %v.B = load ptr, ptr @B, align 8 20 %v.A = load ptr, ptr @A, align 8 21 %v.gep.1 = load ptr, ptr %v.A, align 8 22 %v.gep.2 = load ptr, ptr %v.B, align 8 23 %cmp = icmp eq ptr %v.gep.2, null 24 br i1 %cmp, label %exit, label %loop 25 26loop: 27 %iv = phi i32 [ 0, %entry ], [ %iv.next, %loop ] 28 %gep.3 = getelementptr inbounds i8, ptr %v.gep.2, i32 %iv 29 %v.gep.3 = load i8, ptr %gep.3, align 1 30 %gep.4 = getelementptr inbounds i8, ptr %v.gep.1, i32 %iv 31 store i8 %v.gep.3, ptr %gep.4, align 1 32 %iv.next = add nuw nsw i32 %iv, 1 33 %v.C = load i32, ptr @C, align 4 34 %exit.cond = icmp sgt i32 %iv, %v.C 35 br i1 %exit.cond, label %exit, label %loop 36 37exit: 38 ret void 39} 40 41declare void @clobber() 42