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1; RUN: opt < %s -passes=loop-vectorize,dce,instcombine -force-vector-interleave=1 -force-vector-width=4 -S -enable-if-conversion | 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: fc6;CHECK: load <4 x i16>7;CHECK-NEXT: shufflevector <4 x i16>8;CHECK: select <4 x i1>9;CHECK: store <4 x i16>10;CHECK: ret11define void @fc(ptr nocapture %p, i32 %n, i32 %size) nounwind uwtable ssp {12entry:13 br label %do.body14 15do.body: ; preds = %cond.end, %entry16 %n.addr.0 = phi i32 [ %n, %entry ], [ %dec, %cond.end ]17 %p.addr.0 = phi ptr [ %p, %entry ], [ %incdec.ptr, %cond.end ]18 %incdec.ptr = getelementptr inbounds i16, ptr %p.addr.0, i64 -119 %0 = load i16, ptr %incdec.ptr, align 220 %conv = zext i16 %0 to i3221 %cmp = icmp ult i32 %conv, %size22 br i1 %cmp, label %cond.end, label %cond.true23 24cond.true: ; preds = %do.body25 %sub = sub i32 %conv, %size26 %phitmp = trunc i32 %sub to i1627 br label %cond.end28 29cond.end: ; preds = %do.body, %cond.true30 %cond = phi i16 [ %phitmp, %cond.true ], [ 0, %do.body ]31 store i16 %cond, ptr %incdec.ptr, align 232 %dec = add i32 %n.addr.0, -133 %tobool = icmp eq i32 %dec, 034 br i1 %tobool, label %do.end, label %do.body35 36do.end: ; preds = %cond.end37 ret void38}39 40;CHECK: example141;CHECK: load <4 x i32>42;CHECK-NEXT: shufflevector <4 x i32>43;CHECK: sub nsw <4 x i32>44;CHECK: select <4 x i1>45;CHECK: store <4 x i32>46;CHECK: ret47define void @example1(ptr nocapture %a, i32 %n, i32 %wsize) nounwind uwtable ssp {48entry:49 br label %do.body50 51do.body: ; preds = %do.body, %entry52 %n.addr.0 = phi i32 [ %n, %entry ], [ %dec, %do.body ]53 %p.0 = phi ptr [ %a, %entry ], [ %incdec.ptr, %do.body ]54 %incdec.ptr = getelementptr inbounds i32, ptr %p.0, i64 -155 %0 = load i32, ptr %incdec.ptr, align 456 %cmp = icmp slt i32 %0, %wsize57 %sub = sub nsw i32 %0, %wsize58 %cond = select i1 %cmp, i32 0, i32 %sub59 store i32 %cond, ptr %incdec.ptr, align 460 %dec = add nsw i32 %n.addr.0, -161 %tobool = icmp eq i32 %dec, 062 br i1 %tobool, label %do.end, label %do.body63 64do.end: ; preds = %do.body65 ret void66}67