; 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_ellipse(ptr noundef %0, i32 noundef %1, i32 noundef %2, i32 noundef %3, i32 noundef %4, i16 noundef zeroext %5) #1 {
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca i16, align 2
  %13 = alloca i32, align 4
  %14 = alloca i32, align 4
  store ptr %0, ptr %7, align 8, !tbaa !5
  store i32 %1, ptr %8, align 4, !tbaa !9
  store i32 %2, ptr %9, align 4, !tbaa !9
  store i32 %3, ptr %10, align 4, !tbaa !9
  store i32 %4, ptr %11, align 4, !tbaa !9
  store i16 %5, ptr %12, align 2, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #2
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #2
  %15 = load i32, ptr %11, align 4, !tbaa !9
  %16 = sub nsw i32 0, %15
  store i32 %16, ptr %14, align 4, !tbaa !9
  br label %17

17:                                               ; preds = %66, %6
  %18 = load i32, ptr %14, align 4, !tbaa !9
  %19 = load i32, ptr %11, align 4, !tbaa !9
  %20 = icmp sle i32 %18, %19
  br i1 %20, label %21, label %69

21:                                               ; preds = %17
  %22 = load i32, ptr %10, align 4, !tbaa !9
  %23 = sub nsw i32 0, %22
  store i32 %23, ptr %13, align 4, !tbaa !9
  br label %24

24:                                               ; preds = %62, %21
  %25 = load i32, ptr %13, align 4, !tbaa !9
  %26 = load i32, ptr %10, align 4, !tbaa !9
  %27 = icmp sle i32 %25, %26
  br i1 %27, label %28, label %65

28:                                               ; preds = %24
  %29 = load i32, ptr %13, align 4, !tbaa !9
  %30 = load i32, ptr %13, align 4, !tbaa !9
  %31 = mul nsw i32 %29, %30
  %32 = load i32, ptr %11, align 4, !tbaa !9
  %33 = load i32, ptr %11, align 4, !tbaa !9
  %34 = mul nsw i32 %32, %33
  %35 = mul nsw i32 %31, %34
  %36 = load i32, ptr %14, align 4, !tbaa !9
  %37 = load i32, ptr %14, align 4, !tbaa !9
  %38 = mul nsw i32 %36, %37
  %39 = load i32, ptr %10, align 4, !tbaa !9
  %40 = load i32, ptr %10, align 4, !tbaa !9
  %41 = mul nsw i32 %39, %40
  %42 = mul nsw i32 %38, %41
  %43 = add nsw i32 %35, %42
  %44 = load i32, ptr %10, align 4, !tbaa !9
  %45 = load i32, ptr %10, align 4, !tbaa !9
  %46 = mul nsw i32 %44, %45
  %47 = load i32, ptr %11, align 4, !tbaa !9
  %48 = mul nsw i32 %46, %47
  %49 = load i32, ptr %11, align 4, !tbaa !9
  %50 = mul nsw i32 %48, %49
  %51 = icmp sle i32 %43, %50
  br i1 %51, label %52, label %61

52:                                               ; preds = %28
  %53 = load ptr, ptr %7, align 8, !tbaa !5
  %54 = load i32, ptr %8, align 4, !tbaa !9
  %55 = load i32, ptr %13, align 4, !tbaa !9
  %56 = add nsw i32 %54, %55
  %57 = load i32, ptr %9, align 4, !tbaa !9
  %58 = load i32, ptr %14, align 4, !tbaa !9
  %59 = add nsw i32 %57, %58
  %60 = load i16, ptr %12, align 2, !tbaa !11
  call void @framebuffer_draw_pixel(ptr noundef %53, i32 noundef %56, i32 noundef %59, i16 noundef zeroext %60)
  br label %61

61:                                               ; preds = %52, %28
  br label %62

62:                                               ; preds = %61
  %63 = load i32, ptr %13, align 4, !tbaa !9
  %64 = add nsw i32 %63, 1
  store i32 %64, ptr %13, align 4, !tbaa !9
  br label %24, !llvm.loop !13

65:                                               ; preds = %24
  br label %66

66:                                               ; preds = %65
  %67 = load i32, ptr %14, align 4, !tbaa !9
  %68 = add nsw i32 %67, 1
  store i32 %68, ptr %14, align 4, !tbaa !9
  br label %17, !llvm.loop !15

69:                                               ; preds = %17
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #2
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #2
  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_ellipse(ptr noundef %0, i32 noundef %1, i32 noundef %2, i32 noundef %3, i32 noundef %4, i16 noundef zeroext %5) local_unnamed_addr #0 {
  %.not32 = icmp slt i32 %4, 0
  br i1 %.not32, label %._crit_edge36, label %.lr.ph35

.lr.ph35:                                         ; preds = %6
  %7 = sub nsw i32 0, %3
  %.not2830 = icmp slt i32 %3, 0
  %8 = mul nsw i32 %3, %3
  %9 = mul i32 %4, %4
  %10 = mul i32 %9, %8
  br i1 %.not2830, label %._crit_edge36, label %.lr.ph.preheader

.lr.ph.preheader:                                 ; preds = %.lr.ph35
  %11 = sub nsw i32 0, %4
  br label %.lr.ph

.lr.ph:                                           ; preds = %.lr.ph.preheader, %._crit_edge
  %.033 = phi i32 [ %21, %._crit_edge ], [ %11, %.lr.ph.preheader ]
  %factor.op.mul = mul i32 %.033, %.033
  %.reass = mul i32 %factor.op.mul, %8
  %12 = add nsw i32 %.033, %2
  br label %13

13:                                               ; preds = %.lr.ph, %19
  %.02531 = phi i32 [ %7, %.lr.ph ], [ %20, %19 ]
  %14 = mul i32 %.02531, %4
  %15 = mul i32 %14, %14
  %16 = add nuw nsw i32 %15, %.reass
  %.not29 = icmp sgt i32 %16, %10
  br i1 %.not29, label %19, label %17

17:                                               ; preds = %13
  %18 = add nsw i32 %.02531, %1
  tail call void @framebuffer_draw_pixel(ptr noundef %0, i32 noundef %18, i32 noundef %12, i16 noundef zeroext %5)
  br label %19

19:                                               ; preds = %13, %17
  %20 = add i32 %.02531, 1
  %exitcond.not = icmp eq i32 %.02531, %3
  br i1 %exitcond.not, label %._crit_edge, label %13, !llvm.loop !5

._crit_edge:                                      ; preds = %19
  %21 = add i32 %.033, 1
  %exitcond38.not = icmp eq i32 %.033, %4
  br i1 %exitcond38.not, label %._crit_edge36, label %.lr.ph, !llvm.loop !7

._crit_edge36:                                    ; preds = %._crit_edge, %.lr.ph35, %6
  ret void
}

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,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LICMPass,LoopInstSimplifyPass,LoopRotatePass,LoopSimplifyCFGPass,LoopSimplifyPass,LoopUnrollPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass