| ; 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 |
| } |
| |
| ; Function Attrs: norecurse nounwind |
| define void @stride3(float %k, i32 %width_) { |
| entry: |
| |
| ; CHECK: Found an estimated cost of 20 for VF 8 For instruction: %0 = load float |
| |
| %cmp27 = icmp sgt i32 %width_, 0 |
| br i1 %cmp27, label %for.body.lr.ph, label %for.cond.cleanup |
| |
| for.body.lr.ph: ; preds = %entry |
| br label %for.body |
| |
| for.cond.cleanup: ; preds = %for.body, %entry |
| ret void |
| |
| for.body: ; preds = %for.body.lr.ph, %for.body |
| %i.028 = phi i32 [ 0, %for.body.lr.ph ], [ %add16, %for.body ] |
| %arrayidx = getelementptr inbounds [120 x float], [120 x float]* @src, i32 0, i32 %i.028 |
| %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.028 |
| %1 = load float, float* %arrayidx2, align 4 |
| %add3 = fadd fast float %1, %mul |
| store float %add3, float* %arrayidx2, align 4 |
| %add4 = add nuw nsw i32 %i.028, 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 = add nuw nsw i32 %i.028, 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 = add nuw nsw i32 %i.028, 3 |
| %cmp = icmp slt i32 %add16, %width_ |
| br i1 %cmp, label %for.body, label %for.cond.cleanup |
| } |
| |