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; REQUIRES: asserts
; RUN: opt -S -loop-vectorize -debug-only=loop-vectorize -mcpu=skylake %s 2>&1 | FileCheck %s
target datalayout = "e-m:e-p:32:32-f64:32:64-f80:32-n8:16:32-S128"
target triple = "i386-unknown-linux-gnu"
@src = common local_unnamed_addr global [120 x float] zeroinitializer, align 4
@dst = common local_unnamed_addr global [120 x float] zeroinitializer, align 4
; Function Attrs: norecurse nounwind
define void @stride8(float %k, i32 %width_) {
entry:
; CHECK: Found an estimated cost of 48 for VF 8 For instruction: %0 = load float
%cmp72 = icmp sgt i32 %width_, 0
br i1 %cmp72, label %for.body.lr.ph, label %for.cond.cleanup
for.body.lr.ph: ; preds = %entry
br label %for.body
for.cond.cleanup.loopexit: ; preds = %for.body
br label %for.cond.cleanup
for.cond.cleanup: ; preds = %for.cond.cleanup.loopexit, %entry
ret void
for.body: ; preds = %for.body.lr.ph, %for.body
%i.073 = phi i32 [ 0, %for.body.lr.ph ], [ %add46, %for.body ]
%arrayidx = getelementptr inbounds [120 x float], [120 x float]* @src, i32 0, i32 %i.073
%0 = load float, float* %arrayidx, align 4
%mul = fmul fast float %0, %k
%arrayidx2 = getelementptr inbounds [120 x float], [120 x float]* @dst, i32 0, i32 %i.073
%1 = load float, float* %arrayidx2, align 4
%add3 = fadd fast float %1, %mul
store float %add3, float* %arrayidx2, align 4
%add4 = or i32 %i.073, 1
%arrayidx5 = getelementptr inbounds [120 x float], [120 x float]* @src, i32 0, i32 %add4
%2 = load float, float* %arrayidx5, align 4
%mul6 = fmul fast float %2, %k
%arrayidx8 = getelementptr inbounds [120 x float], [120 x float]* @dst, i32 0, i32 %add4
%3 = load float, float* %arrayidx8, align 4
%add9 = fadd fast float %3, %mul6
store float %add9, float* %arrayidx8, align 4
%add10 = or i32 %i.073, 2
%arrayidx11 = getelementptr inbounds [120 x float], [120 x float]* @src, i32 0, i32 %add10
%4 = load float, float* %arrayidx11, align 4
%mul12 = fmul fast float %4, %k
%arrayidx14 = getelementptr inbounds [120 x float], [120 x float]* @dst, i32 0, i32 %add10
%5 = load float, float* %arrayidx14, align 4
%add15 = fadd fast float %5, %mul12
store float %add15, float* %arrayidx14, align 4
%add16 = or i32 %i.073, 3
%arrayidx17 = getelementptr inbounds [120 x float], [120 x float]* @src, i32 0, i32 %add16
%6 = load float, float* %arrayidx17, align 4
%mul18 = fmul fast float %6, %k
%arrayidx20 = getelementptr inbounds [120 x float], [120 x float]* @dst, i32 0, i32 %add16
%7 = load float, float* %arrayidx20, align 4
%add21 = fadd fast float %7, %mul18
store float %add21, float* %arrayidx20, align 4
%add22 = or i32 %i.073, 4
%arrayidx23 = getelementptr inbounds [120 x float], [120 x float]* @src, i32 0, i32 %add22
%8 = load float, float* %arrayidx23, align 4
%mul24 = fmul fast float %8, %k
%arrayidx26 = getelementptr inbounds [120 x float], [120 x float]* @dst, i32 0, i32 %add22
%9 = load float, float* %arrayidx26, align 4
%add27 = fadd fast float %9, %mul24
store float %add27, float* %arrayidx26, align 4
%add28 = or i32 %i.073, 5
%arrayidx29 = getelementptr inbounds [120 x float], [120 x float]* @src, i32 0, i32 %add28
%10 = load float, float* %arrayidx29, align 4
%mul30 = fmul fast float %10, %k
%arrayidx32 = getelementptr inbounds [120 x float], [120 x float]* @dst, i32 0, i32 %add28
%11 = load float, float* %arrayidx32, align 4
%add33 = fadd fast float %11, %mul30
store float %add33, float* %arrayidx32, align 4
%add34 = or i32 %i.073, 6
%arrayidx35 = getelementptr inbounds [120 x float], [120 x float]* @src, i32 0, i32 %add34
%12 = load float, float* %arrayidx35, align 4
%mul36 = fmul fast float %12, %k
%arrayidx38 = getelementptr inbounds [120 x float], [120 x float]* @dst, i32 0, i32 %add34
%13 = load float, float* %arrayidx38, align 4
%add39 = fadd fast float %13, %mul36
store float %add39, float* %arrayidx38, align 4
%add40 = or i32 %i.073, 7
%arrayidx41 = getelementptr inbounds [120 x float], [120 x float]* @src, i32 0, i32 %add40
%14 = load float, float* %arrayidx41, align 4
%mul42 = fmul fast float %14, %k
%arrayidx44 = getelementptr inbounds [120 x float], [120 x float]* @dst, i32 0, i32 %add40
%15 = load float, float* %arrayidx44, align 4
%add45 = fadd fast float %15, %mul42
store float %add45, float* %arrayidx44, align 4
%add46 = add nuw nsw i32 %i.073, 8
%cmp = icmp slt i32 %add46, %width_
br i1 %cmp, label %for.body, label %for.cond.cleanup.loopexit
}
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