; 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"}