1; REQUIRES: asserts 2; RUN: opt -S -loop-vectorize -debug-only=loop-vectorize -mcpu=skylake %s 2>&1 | FileCheck %s 3target datalayout = "e-m:e-p:32:32-f64:32:64-f80:32-n8:16:32-S128" 4target triple = "i386-unknown-linux-gnu" 5 6@doublesrc = common local_unnamed_addr global [120 x double] zeroinitializer, align 4 7@doubledst = common local_unnamed_addr global [120 x double] zeroinitializer, align 4 8 9; Function Attrs: norecurse nounwind 10define void @stride2double(double %k, i32 %width_) { 11entry: 12 13; CHECK: Found an estimated cost of 8 for VF 4 For instruction: %0 = load double 14; CHECK: Found an estimated cost of 8 for VF 4 For instruction: store double 15 16 %cmp27 = icmp sgt i32 %width_, 0 17 br i1 %cmp27, label %for.body.lr.ph, label %for.cond.cleanup 18 19for.body.lr.ph: ; preds = %entry 20 br label %for.body 21 22for.cond.cleanup: ; preds = %for.body, %entry 23 ret void 24 25for.body: ; preds = %for.body.lr.ph, %for.body 26 %i.028 = phi i32 [ 0, %for.body.lr.ph ], [ %add16, %for.body ] 27 %arrayidx = getelementptr inbounds [120 x double], [120 x double]* @doublesrc, i32 0, i32 %i.028 28 %0 = load double, double* %arrayidx, align 4 29 %arrayidx2 = getelementptr inbounds [120 x double], [120 x double]* @doubledst, i32 0, i32 %i.028 30 store double %0, double* %arrayidx2, align 4 31 %add4 = add nuw nsw i32 %i.028, 1 32 %arrayidx5 = getelementptr inbounds [120 x double], [120 x double]* @doublesrc, i32 0, i32 %add4 33 %1 = load double, double* %arrayidx5, align 4 34 %arrayidx8 = getelementptr inbounds [120 x double], [120 x double]* @doubledst, i32 0, i32 %add4 35 store double %1, double* %arrayidx8, align 4 36 %add16 = add nuw nsw i32 %i.028, 2 37 %cmp = icmp slt i32 %add16, %width_ 38 br i1 %cmp, label %for.body, label %for.cond.cleanup 39} 40 41