; LLVM IR from zchrissirhcz/pixel :: src (px_border)

; Unoptimized IR (clang -disable-llvm-passes):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

; Function Attrs: nounwind uwtable
define dso_local i32 @px_border_clip_wrap(i32 noundef %0, i32 noundef %1) #0 {
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  store i32 %0, ptr %4, align 4, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !5
  %6 = load i32, ptr %4, align 4, !tbaa !5
  %7 = icmp slt i32 %6, 0
  br i1 %7, label %8, label %14

8:                                                ; preds = %2
  %9 = load i32, ptr %5, align 4, !tbaa !5
  %10 = load i32, ptr %4, align 4, !tbaa !5
  %11 = add nsw i32 %9, %10
  %12 = load i32, ptr %5, align 4, !tbaa !5
  %13 = call i32 @px_border_clip_wrap(i32 noundef %11, i32 noundef %12)
  store i32 %13, ptr %3, align 4
  br label %27

14:                                               ; preds = %2
  %15 = load i32, ptr %4, align 4, !tbaa !5
  %16 = load i32, ptr %5, align 4, !tbaa !5
  %17 = sub nsw i32 %16, 1
  %18 = icmp sgt i32 %15, %17
  br i1 %18, label %19, label %25

19:                                               ; preds = %14
  %20 = load i32, ptr %4, align 4, !tbaa !5
  %21 = load i32, ptr %5, align 4, !tbaa !5
  %22 = sub nsw i32 %20, %21
  %23 = load i32, ptr %5, align 4, !tbaa !5
  %24 = call i32 @px_border_clip_wrap(i32 noundef %22, i32 noundef %23)
  store i32 %24, ptr %3, align 4
  br label %27

25:                                               ; preds = %14
  %26 = load i32, ptr %4, align 4, !tbaa !5
  store i32 %26, ptr %3, align 4
  br label %27

27:                                               ; preds = %25, %19, %8
  %28 = load i32, ptr %3, align 4
  ret i32 %28
}

attributes #0 = { nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}


; Optimized IR (opt -passes='default<O3>'):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

; Function Attrs: nofree norecurse nosync nounwind memory(none) uwtable
define dso_local range(i32 0, 2147483647) i32 @px_border_clip_wrap(i32 noundef %0, i32 noundef %1) local_unnamed_addr #0 {
  br label %tailrecurse

tailrecurse:                                      ; preds = %tailrecurse.backedge, %2
  %.tr = phi i32 [ %0, %2 ], [ %.tr.be, %tailrecurse.backedge ]
  %3 = icmp slt i32 %.tr, 0
  br i1 %3, label %4, label %6

4:                                                ; preds = %tailrecurse
  %5 = add nsw i32 %.tr, %1
  br label %tailrecurse.backedge

tailrecurse.backedge:                             ; preds = %4, %7
  %.tr.be = phi i32 [ %5, %4 ], [ %8, %7 ]
  br label %tailrecurse

6:                                                ; preds = %tailrecurse
  %.not = icmp slt i32 %.tr, %1
  br i1 %.not, label %9, label %7

7:                                                ; preds = %6
  %8 = sub nsw i32 %.tr, %1
  br label %tailrecurse.backedge

9:                                                ; preds = %6
  ret i32 %.tr
}

attributes #0 = { nofree norecurse nosync nounwind memory(none) uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}


; Effective O3 passes: GVNPass,GlobalOptPass,IPSCCPPass,InstCombinePass,InstSimplifyPass,LCSSAPass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass