; LLVM IR from ysyesilyurt/ComputerGraphics :: RayTracing/Scene.ll (Z7executeP5ImageP5Scenei)

; 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: mustprogress uwtable
declare dso_local void @_Z9renderRowP5ImageiP5Scenei(ptr noundef, i32 noundef, ptr noundef, i32 noundef) #1

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_Z7getTaskv() #1

; Function Attrs: mustprogress uwtable
define dso_local void @_Z7executeP5ImageP5Scenei(ptr noundef %0, ptr noundef %1, i32 noundef %2) #1 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  store i32 %2, ptr %6, align 4, !tbaa !9
  br label %9

9:                                                ; preds = %21, %3
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #2
  %10 = call noundef i32 @_Z7getTaskv()
  store i32 %10, ptr %7, align 4, !tbaa !9
  %11 = load i32, ptr %7, align 4, !tbaa !9
  %12 = icmp slt i32 %11, 0
  br i1 %12, label %13, label %14

13:                                               ; preds = %9
  store i32 3, ptr %8, align 4
  br label %19

14:                                               ; preds = %9
  %15 = load ptr, ptr %4, align 8, !tbaa !5
  %16 = load i32, ptr %7, align 4, !tbaa !9
  %17 = load ptr, ptr %5, align 8, !tbaa !5
  %18 = load i32, ptr %6, align 4, !tbaa !9
  call void @_Z9renderRowP5ImageiP5Scenei(ptr noundef %15, i32 noundef %16, ptr noundef %17, i32 noundef %18)
  store i32 0, ptr %8, align 4
  br label %19

19:                                               ; preds = %14, %13
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #2
  %20 = load i32, ptr %8, align 4
  switch i32 %20, label %23 [
    i32 0, label %21
    i32 3, label %22
  ]

21:                                               ; preds = %19
  br label %9, !llvm.loop !11

22:                                               ; preds = %19
  ret void

23:                                               ; preds = %19
  unreachable
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress 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++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}


; 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: mustprogress uwtable
declare dso_local void @_Z9renderRowP5ImageiP5Scenei(ptr noundef, i32 noundef, ptr noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_Z7getTaskv() local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
define dso_local void @_Z7executeP5ImageP5Scenei(ptr noundef %0, ptr noundef %1, i32 noundef %2) local_unnamed_addr #0 {
  %4 = tail call noundef i32 @_Z7getTaskv()
  %5 = icmp slt i32 %4, 0
  br i1 %5, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %3, %.lr.ph
  %6 = phi i32 [ %7, %.lr.ph ], [ %4, %3 ]
  tail call void @_Z9renderRowP5ImageiP5Scenei(ptr noundef %0, i32 noundef %6, ptr noundef %1, i32 noundef %2)
  %7 = tail call noundef i32 @_Z7getTaskv()
  %8 = icmp slt i32 %7, 0
  br i1 %8, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %.lr.ph, %3
  ret void
}

attributes #0 = { mustprogress 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: GlobalOptPass,InferFunctionAttrsPass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass