; LLVM IR from NaitikSanas/MicroCanvas :: components/MicroCanvas2D (uCanvas_Frame_buffer)

; 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: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nounwind uwtable
declare dso_local void @framebuffer_draw_pixel(ptr noundef, i32 noundef, i32 noundef, i16 noundef zeroext) #1

; Function Attrs: nounwind uwtable
define dso_local void @framebuffer_draw_filled_circle(ptr noundef %0, i32 noundef %1, i32 noundef %2, i32 noundef %3, i16 noundef zeroext %4) #1 {
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i16, align 2
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  store ptr %0, ptr %6, align 8, !tbaa !5
  store i32 %1, ptr %7, align 4, !tbaa !9
  store i32 %2, ptr %8, align 4, !tbaa !9
  store i32 %3, ptr %9, align 4, !tbaa !9
  store i16 %4, ptr %10, align 2, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #2
  %14 = load i32, ptr %9, align 4, !tbaa !9
  %15 = sub nsw i32 0, %14
  store i32 %15, ptr %11, align 4, !tbaa !9
  br label %16

16:                                               ; preds = %55, %5
  %17 = load i32, ptr %11, align 4, !tbaa !9
  %18 = load i32, ptr %9, align 4, !tbaa !9
  %19 = icmp sle i32 %17, %18
  br i1 %19, label %21, label %20

20:                                               ; preds = %16
  store i32 2, ptr %12, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #2
  br label %58

21:                                               ; preds = %16
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #2
  %22 = load i32, ptr %9, align 4, !tbaa !9
  %23 = sub nsw i32 0, %22
  store i32 %23, ptr %13, align 4, !tbaa !9
  br label %24

24:                                               ; preds = %51, %21
  %25 = load i32, ptr %13, align 4, !tbaa !9
  %26 = load i32, ptr %9, align 4, !tbaa !9
  %27 = icmp sle i32 %25, %26
  br i1 %27, label %29, label %28

28:                                               ; preds = %24
  store i32 5, ptr %12, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #2
  br label %54

29:                                               ; preds = %24
  %30 = load i32, ptr %13, align 4, !tbaa !9
  %31 = load i32, ptr %13, align 4, !tbaa !9
  %32 = mul nsw i32 %30, %31
  %33 = load i32, ptr %11, align 4, !tbaa !9
  %34 = load i32, ptr %11, align 4, !tbaa !9
  %35 = mul nsw i32 %33, %34
  %36 = add nsw i32 %32, %35
  %37 = load i32, ptr %9, align 4, !tbaa !9
  %38 = load i32, ptr %9, align 4, !tbaa !9
  %39 = mul nsw i32 %37, %38
  %40 = icmp sle i32 %36, %39
  br i1 %40, label %41, label %50

41:                                               ; preds = %29
  %42 = load ptr, ptr %6, align 8, !tbaa !5
  %43 = load i32, ptr %7, align 4, !tbaa !9
  %44 = load i32, ptr %13, align 4, !tbaa !9
  %45 = add nsw i32 %43, %44
  %46 = load i32, ptr %8, align 4, !tbaa !9
  %47 = load i32, ptr %11, align 4, !tbaa !9
  %48 = add nsw i32 %46, %47
  %49 = load i16, ptr %10, align 2, !tbaa !11
  call void @framebuffer_draw_pixel(ptr noundef %42, i32 noundef %45, i32 noundef %48, i16 noundef zeroext %49)
  br label %50

50:                                               ; preds = %41, %29
  br label %51

51:                                               ; preds = %50
  %52 = load i32, ptr %13, align 4, !tbaa !9
  %53 = add nsw i32 %52, 1
  store i32 %53, ptr %13, align 4, !tbaa !9
  br label %24, !llvm.loop !13

54:                                               ; preds = %28
  br label %55

55:                                               ; preds = %54
  %56 = load i32, ptr %11, align 4, !tbaa !9
  %57 = add nsw i32 %56, 1
  store i32 %57, ptr %11, align 4, !tbaa !9
  br label %16, !llvm.loop !15

58:                                               ; preds = %20
  ret void
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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" }
attributes #2 = { nounwind }

!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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"short", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}
!15 = distinct !{!15, !14}


; 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: nounwind uwtable
declare dso_local void @framebuffer_draw_pixel(ptr noundef, i32 noundef, i32 noundef, i16 noundef zeroext) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local void @framebuffer_draw_filled_circle(ptr noundef %0, i32 noundef %1, i32 noundef %2, i32 noundef %3, i16 noundef zeroext %4) local_unnamed_addr #0 {
  %6 = sub nsw i32 0, %3
  %.not25 = icmp slt i32 %3, 0
  br i1 %.not25, label %._crit_edge27, label %.preheader.lr.ph

.preheader.lr.ph:                                 ; preds = %5
  %7 = mul nuw nsw i32 %3, %3
  br label %.preheader

.preheader:                                       ; preds = %.preheader.lr.ph, %._crit_edge
  %.01926 = phi i32 [ %6, %.preheader.lr.ph ], [ %10, %._crit_edge ]
  %8 = mul nsw i32 %.01926, %.01926
  %9 = add nsw i32 %.01926, %2
  br label %11

._crit_edge27:                                    ; preds = %._crit_edge, %5
  ret void

._crit_edge:                                      ; preds = %16
  %10 = add i32 %.01926, 1
  %exitcond28.not = icmp eq i32 %.01926, %3
  br i1 %exitcond28.not, label %._crit_edge27, label %.preheader, !llvm.loop !5

11:                                               ; preds = %.preheader, %16
  %.024 = phi i32 [ %6, %.preheader ], [ %17, %16 ]
  %12 = mul nsw i32 %.024, %.024
  %13 = add nuw nsw i32 %12, %8
  %.not22 = icmp ugt i32 %13, %7
  br i1 %.not22, label %16, label %14

14:                                               ; preds = %11
  %15 = add nsw i32 %.024, %1
  tail call void @framebuffer_draw_pixel(ptr noundef %0, i32 noundef %15, i32 noundef %9, i16 noundef zeroext %4)
  br label %16

16:                                               ; preds = %11, %14
  %17 = add i32 %.024, 1
  %exitcond.not = icmp eq i32 %.024, %3
  br i1 %exitcond.not, label %._crit_edge, label %11, !llvm.loop !7
}

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 = distinct !{!5, !6}
!6 = !{!"llvm.loop.mustprogress"}
!7 = distinct !{!7, !6}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LICMPass,LoopRotatePass,LoopSimplifyCFGPass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass