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1; RUN: opt < %s -passes=loop-vectorize,dce,instcombine -force-vector-interleave=1 -force-vector-width=4 -S | FileCheck %s2 3; int __attribute__((noinline)) sum_array(int *A, int n) {4; return std::accumulate(A, A + n, 0);5; }6 7target datalayout = "e-p:64:64:64-p1:16:16:16-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-n8:16:32:64-S128"8 9;CHECK-LABEL: @sum_array(10;CHECK: phi i6411;CHECK: phi <4 x i32>12;CHECK: load <4 x i32>13;CHECK: add <4 x i32>14;CHECK: ret i3215define i32 @sum_array(ptr %A, i32 %n) nounwind uwtable readonly noinline ssp {16 %1 = sext i32 %n to i6417 %2 = getelementptr inbounds i32, ptr %A, i64 %118 %3 = icmp eq i32 %n, 019 br i1 %3, label %_ZSt10accumulateIPiiET0_T_S2_S1_.exit, label %.lr.ph.i20 21.lr.ph.i: ; preds = %0, %.lr.ph.i22 %.03.i = phi ptr [ %6, %.lr.ph.i ], [ %A, %0 ]23 %.012.i = phi i32 [ %5, %.lr.ph.i ], [ 0, %0 ]24 %4 = load i32, ptr %.03.i, align 425 %5 = add nsw i32 %4, %.012.i26 %6 = getelementptr inbounds i32, ptr %.03.i, i64 127 %7 = icmp eq ptr %6, %228 br i1 %7, label %_ZSt10accumulateIPiiET0_T_S2_S1_.exit, label %.lr.ph.i29 30_ZSt10accumulateIPiiET0_T_S2_S1_.exit: ; preds = %.lr.ph.i, %031 %.01.lcssa.i = phi i32 [ 0, %0 ], [ %5, %.lr.ph.i ]32 ret i32 %.01.lcssa.i33}34 35; Same, but use a pointer with a different size.36;CHECK-LABEL: @sum_array_as1(37;CHECK: phi i1638;CHECK: phi <4 x i32>39;CHECK: load <4 x i32>40;CHECK: add <4 x i32>41;CHECK: ret i3242define i32 @sum_array_as1(ptr addrspace(1) %A, i32 %n) nounwind uwtable readonly noinline ssp {43 %1 = sext i32 %n to i6444 %2 = getelementptr inbounds i32, ptr addrspace(1) %A, i64 %145 %3 = icmp eq i32 %n, 046 br i1 %3, label %_ZSt10accumulateIPiiET0_T_S2_S1_.exit, label %.lr.ph.i47 48.lr.ph.i: ; preds = %0, %.lr.ph.i49 %.03.i = phi ptr addrspace(1) [ %6, %.lr.ph.i ], [ %A, %0 ]50 %.012.i = phi i32 [ %5, %.lr.ph.i ], [ 0, %0 ]51 %4 = load i32, ptr addrspace(1) %.03.i, align 452 %5 = add nsw i32 %4, %.012.i53 %6 = getelementptr inbounds i32, ptr addrspace(1) %.03.i, i64 154 %7 = icmp eq ptr addrspace(1) %6, %255 br i1 %7, label %_ZSt10accumulateIPiiET0_T_S2_S1_.exit, label %.lr.ph.i56 57_ZSt10accumulateIPiiET0_T_S2_S1_.exit: ; preds = %.lr.ph.i, %058 %.01.lcssa.i = phi i32 [ 0, %0 ], [ %5, %.lr.ph.i ]59 ret i32 %.01.lcssa.i60}61