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1; RUN: opt < %s -passes=loop-vectorize,instcombine -force-vector-interleave=1 -force-vector-width=4 -S | FileCheck %s2 3target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128"4 5;CHECK-LABEL: @start_at_nonzero(6;CHECK: mul nuw <4 x i32>7;CHECK: ret i328define i32 @start_at_nonzero(ptr nocapture %a, i32 %start, i32 %end) nounwind uwtable ssp {9entry:10 %cmp3 = icmp slt i32 %start, %end11 br i1 %cmp3, label %for.body.lr.ph, label %for.end12 13for.body.lr.ph: ; preds = %entry14 %0 = sext i32 %start to i6415 br label %for.body16 17for.body: ; preds = %for.body.lr.ph, %for.body18 %indvars.iv = phi i64 [ %0, %for.body.lr.ph ], [ %indvars.iv.next, %for.body ]19 %arrayidx = getelementptr inbounds i32, ptr %a, i64 %indvars.iv20 %1 = load i32, ptr %arrayidx, align 421 %mul = mul nuw i32 %1, 33322 store i32 %mul, ptr %arrayidx, align 423 %indvars.iv.next = add i64 %indvars.iv, 124 %2 = trunc i64 %indvars.iv.next to i3225 %cmp = icmp slt i32 %2, %end26 br i1 %cmp, label %for.body, label %for.end27 28for.end: ; preds = %for.body, %entry29 ret i32 430}31