; PR23510 ; RUN: opt < %s -basicaa -slp-vectorizer -S | FileCheck %s target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" target triple = "x86_64-unknown-linux-gnu" ; CHECK-LABEL: @_Z3fooPml( ; CHECK: lshr <2 x i64> ; CHECK: lshr <2 x i64> @total = global i64 0, align 8 define void @_Z3fooPml(i64* nocapture %a, i64 %i) { entry: %tmp = load i64, i64* %a, align 8 %shr = lshr i64 %tmp, 4 store i64 %shr, i64* %a, align 8 %arrayidx1 = getelementptr inbounds i64, i64* %a, i64 1 %tmp1 = load i64, i64* %arrayidx1, align 8 %shr2 = lshr i64 %tmp1, 4 store i64 %shr2, i64* %arrayidx1, align 8 %arrayidx3 = getelementptr inbounds i64, i64* %a, i64 %i %tmp2 = load i64, i64* %arrayidx3, align 8 %tmp3 = load i64, i64* @total, align 8 %add = add i64 %tmp3, %tmp2 store i64 %add, i64* @total, align 8 %tmp4 = load i64, i64* %a, align 8 %shr5 = lshr i64 %tmp4, 4 store i64 %shr5, i64* %a, align 8 %tmp5 = load i64, i64* %arrayidx1, align 8 %shr7 = lshr i64 %tmp5, 4 store i64 %shr7, i64* %arrayidx1, align 8 %tmp6 = load i64, i64* %arrayidx3, align 8 %tmp7 = load i64, i64* @total, align 8 %add9 = add i64 %tmp7, %tmp6 store i64 %add9, i64* @total, align 8 ret void }