; LLVM IR from rociodellasala/TP3_SO :: Userland/testMemoryManager (testMemoryManager)

; 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: nounwind uwtable
define dso_local ptr @whenAskedForMemoryFourthPointer(ptr noundef %0, i32 noundef %1, i32 noundef %2) #1 {
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !9
  store i32 %2, ptr %6, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #3
  br label %8

8:                                                ; preds = %22, %3
  store i32 0, ptr %7, align 4, !tbaa !9
  %9 = load i32, ptr %5, align 4, !tbaa !9
  %10 = load i32, ptr %6, align 4, !tbaa !9
  call void @printfFourthTestMessage(i32 noundef %9, i32 noundef %10)
  %11 = call i32 @getNum(ptr noundef %7)
  br label %12

12:                                               ; preds = %8
  %13 = load i32, ptr %7, align 4, !tbaa !9
  %14 = icmp slt i32 %13, 0
  br i1 %14, label %22, label %15

15:                                               ; preds = %12
  %16 = load i32, ptr %7, align 4, !tbaa !9
  %17 = load i32, ptr %5, align 4, !tbaa !9
  %18 = sub nsw i32 4096, %17
  %19 = load i32, ptr %6, align 4, !tbaa !9
  %20 = sub nsw i32 %18, %19
  %21 = icmp sgt i32 %16, %20
  br label %22

22:                                               ; preds = %15, %12
  %23 = phi i1 [ true, %12 ], [ %21, %15 ]
  br i1 %23, label %8, label %24, !llvm.loop !11

24:                                               ; preds = %22
  %25 = load i32, ptr %7, align 4, !tbaa !9
  %26 = load ptr, ptr %4, align 8, !tbaa !5
  store i32 %25, ptr %26, align 4, !tbaa !9
  %27 = load ptr, ptr %4, align 8, !tbaa !5
  %28 = load i32, ptr %27, align 4, !tbaa !9
  %29 = call ptr @malloc(i32 noundef %28)
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #3
  ret ptr %29
}

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

declare i32 @getNum(ptr noundef) #2

declare ptr @malloc(i32 noundef) #2

; Function Attrs: nounwind uwtable
declare dso_local void @printfFourthTestMessage(i32 noundef, i32 noundef) #1

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 = { "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 #3 = { 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 = 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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nounwind uwtable
define dso_local ptr @whenAskedForMemoryFourthPointer(ptr nocapture noundef writeonly %0, i32 noundef %1, i32 noundef %2) local_unnamed_addr #1 {
  %4 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #3
  %5 = add i32 %1, %2
  %6 = sub i32 4096, %5
  br label %.critedge

.critedge:                                        ; preds = %.critedge, %3
  store i32 0, ptr %4, align 4, !tbaa !5
  call void @printfFourthTestMessage(i32 noundef %1, i32 noundef %2)
  %7 = call i32 @getNum(ptr noundef nonnull %4) #3
  %8 = load i32, ptr %4, align 4, !tbaa !5
  %9 = icmp slt i32 %8, 0
  %10 = icmp sgt i32 %8, %6
  %or.cond = or i1 %9, %10
  br i1 %or.cond, label %.critedge, label %11, !llvm.loop !9

11:                                               ; preds = %.critedge
  store i32 %8, ptr %0, align 4, !tbaa !5
  %12 = call ptr @malloc(i32 noundef %8) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #3
  ret ptr %12
}

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

declare i32 @getNum(ptr noundef) local_unnamed_addr #2

declare ptr @malloc(i32 noundef) local_unnamed_addr #2

; Function Attrs: nounwind uwtable
declare dso_local void @printfFourthTestMessage(i32 noundef, i32 noundef) local_unnamed_addr #1

attributes #0 = { mustprogress 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 = { "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 #3 = { 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,LCSSAPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass