; NOTE: Assertions have been autogenerated by utils/update_test_checks.py ; PR23510 ; RUN: opt < %s -basic-aa -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" @total = global i64 0, align 8 define void @_Z3fooPml(i64* nocapture %a, i64 %i) { ; CHECK-LABEL: @_Z3fooPml( ; CHECK-NEXT: entry: ; CHECK-NEXT: [[TMP0:%.*]] = bitcast i64* [[A:%.*]] to <2 x i64>* ; CHECK-NEXT: [[TMP1:%.*]] = load <2 x i64>, <2 x i64>* [[TMP0]], align 8 ; CHECK-NEXT: [[TMP2:%.*]] = lshr <2 x i64> [[TMP1]], <i64 4, i64 4> ; CHECK-NEXT: [[TMP3:%.*]] = bitcast i64* [[A]] to <2 x i64>* ; CHECK-NEXT: store <2 x i64> [[TMP2]], <2 x i64>* [[TMP3]], align 8 ; CHECK-NEXT: [[ARRAYIDX3:%.*]] = getelementptr inbounds i64, i64* [[A]], i64 [[I:%.*]] ; CHECK-NEXT: [[TMP2:%.*]] = load i64, i64* [[ARRAYIDX3]], align 8 ; CHECK-NEXT: [[TMP3:%.*]] = load i64, i64* @total, align 8 ; CHECK-NEXT: [[ADD:%.*]] = add i64 [[TMP3]], [[TMP2]] ; CHECK-NEXT: store i64 [[ADD]], i64* @total, align 8 ; CHECK-NEXT: [[TMP4:%.*]] = bitcast i64* [[A]] to <2 x i64>* ; CHECK-NEXT: [[TMP5:%.*]] = load <2 x i64>, <2 x i64>* [[TMP4]], align 8 ; CHECK-NEXT: [[TMP6:%.*]] = lshr <2 x i64> [[TMP5]], <i64 4, i64 4> ; CHECK-NEXT: [[TMP7:%.*]] = bitcast i64* [[A]] to <2 x i64>* ; CHECK-NEXT: store <2 x i64> [[TMP6]], <2 x i64>* [[TMP7]], align 8 ; CHECK-NEXT: [[TMP6:%.*]] = load i64, i64* [[ARRAYIDX3]], align 8 ; CHECK-NEXT: [[TMP7:%.*]] = load i64, i64* @total, align 8 ; CHECK-NEXT: [[ADD9:%.*]] = add i64 [[TMP7]], [[TMP6]] ; CHECK-NEXT: store i64 [[ADD9]], i64* @total, align 8 ; CHECK-NEXT: ret void ; 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 }