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1; REQUIRES: asserts2; RUN: opt < %s -passes='loop-vectorize' -force-vector-width=2 -enable-epilogue-vectorization -epilogue-vectorization-force-VF=2 --debug-only=loop-vectorize --disable-output -S 2>&1 | FileCheck %s3 4target datalayout = "e-m:e-i64:64-n32:64-v256:256:256-v512:512:512"5 6; Currently we cannot handle live-out variables that are recurrences.7; CHECK: LV: Checking a loop in 'f2'8; CHECK: LEV: Unable to vectorize epilogue because the loop is not a supported candidate.9 10define signext i32 @f2(ptr noalias %A, i32 signext %n) {11entry:12 %cmp1 = icmp sgt i32 %n, 013 br i1 %cmp1, label %for.body.preheader, label %for.end14 15for.body.preheader: ; preds = %entry16 %wide.trip.count = zext i32 %n to i6417 br label %for.body18 19for.body: ; preds = %for.body.preheader, %for.body20 %indvars.iv = phi i64 [ 0, %for.body.preheader ], [ %indvars.iv.next, %for.body ]21 %arrayidx = getelementptr inbounds i8, ptr %A, i64 %indvars.iv22 %0 = load i8, ptr %arrayidx, align 123 %add = add i8 %0, 124 %arrayidx3 = getelementptr inbounds i8, ptr %A, i64 %indvars.iv25 store i8 %add, ptr %arrayidx3, align 126 %indvars.iv.next = add nuw nsw i64 %indvars.iv, 127 %exitcond = icmp ne i64 %indvars.iv.next, %wide.trip.count28 br i1 %exitcond, label %for.body, label %for.end.loopexit29 30for.end.loopexit: ; preds = %for.body31 %inc.lcssa.wide = phi i64 [ %indvars.iv.next, %for.body ]32 %1 = trunc i64 %inc.lcssa.wide to i3233 br label %for.end34 35for.end: ; preds = %for.end.loopexit, %entry36 %i.0.lcssa = phi i32 [ 0, %entry ], [ %1, %for.end.loopexit ]37 ret i32 %i.0.lcssa38}39