| ; RUN: opt -loop-vectorize -debug-only=loop-vectorize -enable-arm-maskedgatscat -tail-predication=force-enabled -disable-output < %s 2>&1 | FileCheck %s --check-prefixes=CHECK-COST,CHECK-COST-2 |
| ; REQUIRES: asserts |
| |
| target datalayout = "e-m:e-p:32:32-Fi8-i64:64-v128:64:128-a:0:32-n32-S64" |
| target triple = "thumbv8.1m.main-none-none-eabi" |
| |
| define void @pred_loop(i32* %off, i32* %data, i32* %dst, i32 %n) #0 { |
| |
| ; CHECK-COST: LV: Found an estimated cost of 0 for VF 1 For instruction: %i.09 = phi i32 [ %add, %for.body ], [ 0, %for.body.preheader ] |
| ; CHECK-COST-NEXT: LV: Found an estimated cost of 1 for VF 1 For instruction: %add = add nuw nsw i32 %i.09, 1 |
| ; CHECK-COST-NEXT: LV: Found an estimated cost of 0 for VF 1 For instruction: %arrayidx = getelementptr inbounds i32, i32* %data, i32 %add |
| ; CHECK-COST-NEXT: LV: Found an estimated cost of 1 for VF 1 For instruction: %0 = load i32, i32* %arrayidx, align 4 |
| ; CHECK-COST-NEXT: LV: Found an estimated cost of 1 for VF 1 For instruction: %add1 = add nsw i32 %0, 5 |
| ; CHECK-COST-NEXT: LV: Found an estimated cost of 0 for VF 1 For instruction: %arrayidx2 = getelementptr inbounds i32, i32* %dst, i32 %i.09 |
| ; CHECK-COST-NEXT: LV: Found an estimated cost of 1 for VF 1 For instruction: store i32 %add1, i32* %arrayidx2, align 4 |
| ; CHECK-COST-NEXT: LV: Found an estimated cost of 1 for VF 1 For instruction: %exitcond.not = icmp eq i32 %add, %n |
| ; CHECK-COST-NEXT: LV: Found an estimated cost of 0 for VF 1 For instruction: br i1 %exitcond.not, label %exit.loopexit, label %for.body |
| ; CHECK-COST-NEXT: LV: Scalar loop costs: 5. |
| |
| entry: |
| %cmp8 = icmp sgt i32 %n, 0 |
| br i1 %cmp8, label %for.body, label %exit |
| |
| exit: ; preds = %for.body, %entry |
| ret void |
| |
| for.body: ; preds = %entry, %for.body |
| %i.09 = phi i32 [ %add, %for.body ], [ 0, %entry ] |
| %add = add nuw nsw i32 %i.09, 1 |
| %arrayidx = getelementptr inbounds i32, i32* %data, i32 %add |
| %0 = load i32, i32* %arrayidx, align 4 |
| %add1 = add nsw i32 %0, 5 |
| %arrayidx2 = getelementptr inbounds i32, i32* %dst, i32 %i.09 |
| store i32 %add1, i32* %arrayidx2, align 4 |
| %exitcond.not = icmp eq i32 %add, %n |
| br i1 %exitcond.not, label %exit, label %for.body |
| } |
| |
| define i32 @if_convert(i32* %a, i32* %b, i32 %start, i32 %end) #0 { |
| |
| ; CHECK-COST-2: LV: Found an estimated cost of 0 for VF 1 For instruction: %i.032 = phi i32 [ %inc, %if.end ], [ %start, %for.body.preheader ] |
| ; CHECK-COST-2-NEXT: LV: Found an estimated cost of 0 for VF 1 For instruction: %arrayidx = getelementptr inbounds i32, i32* %a, i32 %i.032 |
| ; CHECK-COST-2-NEXT: LV: Found an estimated cost of 1 for VF 1 For instruction: %0 = load i32, i32* %arrayidx, align 4 |
| ; CHECK-COST-2-NEXT: LV: Found an estimated cost of 0 for VF 1 For instruction: %arrayidx2 = getelementptr inbounds i32, i32* %b, i32 %i.032 |
| ; CHECK-COST-2-NEXT: LV: Found an estimated cost of 1 for VF 1 For instruction: %1 = load i32, i32* %arrayidx2, align 4 |
| ; CHECK-COST-2-NEXT: LV: Found an estimated cost of 1 for VF 1 For instruction: %cmp3 = icmp sgt i32 %0, %1 |
| ; CHECK-COST-2-NEXT: LV: Found an estimated cost of 0 for VF 1 For instruction: br i1 %cmp3, label %if.then, label %if.end |
| ; CHECK-COST-2-NEXT: LV: Found an estimated cost of 1 for VF 1 For instruction: %mul = mul nsw i32 %0, 5 |
| ; CHECK-COST-2-NEXT: LV: Found an estimated cost of 1 for VF 1 For instruction: %add = add nsw i32 %mul, 3 |
| ; CHECK-COST-2-NEXT: LV: Found an estimated cost of 0 for VF 1 For instruction: %factor = shl i32 %add, 1 |
| ; CHECK-COST-2-NEXT: LV: Found an estimated cost of 1 for VF 1 For instruction: %sub = sub i32 %0, %1 |
| ; CHECK-COST-2-NEXT: LV: Found an estimated cost of 1 for VF 1 For instruction: %add7 = add i32 %sub, %factor |
| ; CHECK-COST-2-NEXT: LV: Found an estimated cost of 1 for VF 1 For instruction: store i32 %add7, i32* %arrayidx2, align 4 |
| ; CHECK-COST-2-NEXT: LV: Found an estimated cost of 0 for VF 1 For instruction: br label %if.end |
| ; CHECK-COST-2-NEXT: LV: Found an estimated cost of 0 for VF 1 For instruction: %k.0 = phi i32 [ %add, %if.then ], [ %0, %for.body ] |
| ; CHECK-COST-2-NEXT: LV: Found an estimated cost of 1 for VF 1 For instruction: store i32 %k.0, i32* %arrayidx, align 4 |
| ; CHECK-COST-2-NEXT: LV: Found an estimated cost of 1 for VF 1 For instruction: %inc = add nsw i32 %i.032, 1 |
| ; CHECK-COST-2-NEXT: LV: Found an estimated cost of 1 for VF 1 For instruction: %exitcond.not = icmp eq i32 %inc, %end |
| ; CHECK-COST-2-NEXT: LV: Found an estimated cost of 0 for VF 1 For instruction: br i1 %exitcond.not, label %for.cond.cleanup.loopexit, label %for.body |
| ; CHECK-COST-2-NEXT: LV: Scalar loop costs: 8. |
| |
| entry: |
| %cmp31 = icmp slt i32 %start, %end |
| br i1 %cmp31, label %for.body.preheader, label %for.cond.cleanup |
| |
| for.body.preheader: ; preds = %entry |
| br label %for.body |
| |
| for.cond.cleanup.loopexit: ; preds = %if.end |
| br label %for.cond.cleanup |
| |
| for.cond.cleanup: ; preds = %for.cond.cleanup.loopexit, %entry |
| ret i32 undef |
| |
| for.body: ; preds = %for.body.preheader, %if.end |
| %i.032 = phi i32 [ %inc, %if.end ], [ %start, %for.body.preheader ] |
| %arrayidx = getelementptr inbounds i32, i32* %a, i32 %i.032 |
| %0 = load i32, i32* %arrayidx, align 4 |
| %arrayidx2 = getelementptr inbounds i32, i32* %b, i32 %i.032 |
| %1 = load i32, i32* %arrayidx2, align 4 |
| %cmp3 = icmp sgt i32 %0, %1 |
| br i1 %cmp3, label %if.then, label %if.end |
| |
| if.then: ; preds = %for.body |
| %mul = mul nsw i32 %0, 5 |
| %add = add nsw i32 %mul, 3 |
| %factor = shl i32 %add, 1 |
| %sub = sub i32 %0, %1 |
| %add7 = add i32 %sub, %factor |
| store i32 %add7, i32* %arrayidx2, align 4 |
| br label %if.end |
| |
| if.end: ; preds = %if.then, %for.body |
| %k.0 = phi i32 [ %add, %if.then ], [ %0, %for.body ] |
| store i32 %k.0, i32* %arrayidx, align 4 |
| %inc = add nsw i32 %i.032, 1 |
| %exitcond.not = icmp eq i32 %inc, %end |
| br i1 %exitcond.not, label %for.cond.cleanup.loopexit, label %for.body |
| } |
| |
| attributes #0 = { "target-features"="+armv8.1-m.main,+dsp,+fp-armv8d16sp,+fp16,+fullfp16,+hwdiv,+lob,+mve,+mve.fp,+ras,+strict-align,+thumb-mode,+vfp2sp,+vfp3d16sp,+vfp4d16sp"} |
