1 ; PR23510 2 ; RUN: opt < %s -basicaa -slp-vectorizer -S | FileCheck %s 3 4 target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 5 target triple = "x86_64-unknown-linux-gnu" 6 7 ; CHECK-LABEL: @_Z3fooPml( 8 ; CHECK: lshr <2 x i64> 9 ; CHECK: lshr <2 x i64> 10 11 @total = global i64 0, align 8 12 13 define void @_Z3fooPml(i64* nocapture %a, i64 %i) { 14 entry: 15 %tmp = load i64, i64* %a, align 8 16 %shr = lshr i64 %tmp, 4 17 store i64 %shr, i64* %a, align 8 18 %arrayidx1 = getelementptr inbounds i64, i64* %a, i64 1 19 %tmp1 = load i64, i64* %arrayidx1, align 8 20 %shr2 = lshr i64 %tmp1, 4 21 store i64 %shr2, i64* %arrayidx1, align 8 22 %arrayidx3 = getelementptr inbounds i64, i64* %a, i64 %i 23 %tmp2 = load i64, i64* %arrayidx3, align 8 24 %tmp3 = load i64, i64* @total, align 8 25 %add = add i64 %tmp3, %tmp2 26 store i64 %add, i64* @total, align 8 27 %tmp4 = load i64, i64* %a, align 8 28 %shr5 = lshr i64 %tmp4, 4 29 store i64 %shr5, i64* %a, align 8 30 %tmp5 = load i64, i64* %arrayidx1, align 8 31 %shr7 = lshr i64 %tmp5, 4 32 store i64 %shr7, i64* %arrayidx1, align 8 33 %tmp6 = load i64, i64* %arrayidx3, align 8 34 %tmp7 = load i64, i64* @total, align 8 35 %add9 = add i64 %tmp7, %tmp6 36 store i64 %add9, i64* @total, align 8 37 ret void 38 } 39