; LLVM IR from Deborah-Digges/mark-sweep-simulation :: 01-marksweep-simple/tests.ll (Z20testMemoryExhaustionv)

; 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"

@.str = external hidden unnamed_addr constant [12 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z6assertiPKc(i32 noundef, ptr noundef) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znwm(i64 noundef) #2

declare void @_ZN2VMC1Eii(ptr noundef nonnull align 8 dereferenceable(180), i32 noundef, i32 noundef) unnamed_addr #3

declare i32 @__gxx_personality_v0(...)

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) #4

declare noundef ptr @_ZN2VM8pushAtomEi(ptr noundef nonnull align 8 dereferenceable(180), i32 noundef) #3

declare noundef i32 @_ZN2VM18getNumberAllocatedEv(ptr noundef nonnull align 8 dereferenceable(180)) #3

; Function Attrs: nounwind
declare void @_ZN2VMD1Ev(ptr noundef nonnull align 8 dereferenceable(180)) unnamed_addr #5

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress uwtable
define dso_local void @_Z20testMemoryExhaustionv() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %1) #6
  store i32 5, ptr %1, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #6
  store i32 5, ptr %2, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #6
  %7 = call noalias noundef nonnull ptr @_Znwm(i64 noundef 184) #7
  %8 = load i32, ptr %2, align 4, !tbaa !5
  %9 = load i32, ptr %1, align 4, !tbaa !5
  invoke void @_ZN2VMC1Eii(ptr noundef nonnull align 8 dereferenceable(180) %7, i32 noundef %8, i32 noundef %9)
          to label %10 unwind label %16

10:                                               ; preds = %0
  store ptr %7, ptr %3, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #6
  store i32 1, ptr %6, align 4, !tbaa !5
  br label %11

11:                                               ; preds = %24, %10
  %12 = load i32, ptr %6, align 4, !tbaa !5
  %13 = load i32, ptr %1, align 4, !tbaa !5
  %14 = icmp sle i32 %12, %13
  br i1 %14, label %20, label %15

15:                                               ; preds = %11
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #6
  br label %27

16:                                               ; preds = %0
  %17 = landingpad { ptr, i32 }
          cleanup
  %18 = extractvalue { ptr, i32 } %17, 0
  store ptr %18, ptr %4, align 8
  %19 = extractvalue { ptr, i32 } %17, 1
  store i32 %19, ptr %5, align 4
  call void @_ZdlPvm(ptr noundef %7, i64 noundef 184) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %1) #6
  br label %39

20:                                               ; preds = %11
  %21 = load ptr, ptr %3, align 8, !tbaa !9
  %22 = load i32, ptr %6, align 4, !tbaa !5
  %23 = call noundef ptr @_ZN2VM8pushAtomEi(ptr noundef nonnull align 8 dereferenceable(180) %21, i32 noundef %22)
  br label %24

24:                                               ; preds = %20
  %25 = load i32, ptr %6, align 4, !tbaa !5
  %26 = add nsw i32 %25, 1
  store i32 %26, ptr %6, align 4, !tbaa !5
  br label %11, !llvm.loop !11

27:                                               ; preds = %15
  %28 = load ptr, ptr %3, align 8, !tbaa !9
  %29 = call noundef i32 @_ZN2VM18getNumberAllocatedEv(ptr noundef nonnull align 8 dereferenceable(180) %28)
  %30 = load i32, ptr %1, align 4, !tbaa !5
  %31 = icmp eq i32 %29, %30
  %32 = zext i1 %31 to i32
  call void @_Z6assertiPKc(i32 noundef %32, ptr noundef @.str)
  %33 = load ptr, ptr %3, align 8, !tbaa !9
  %34 = call noundef ptr @_ZN2VM8pushAtomEi(ptr noundef nonnull align 8 dereferenceable(180) %33, i32 noundef 1)
  %35 = load ptr, ptr %3, align 8, !tbaa !9
  %36 = icmp eq ptr %35, null
  br i1 %36, label %38, label %37

37:                                               ; preds = %27
  call void @_ZN2VMD1Ev(ptr noundef nonnull align 8 dereferenceable(180) %35) #6
  call void @_ZdlPvm(ptr noundef %35, i64 noundef 184) #8
  br label %38

38:                                               ; preds = %37, %27
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %1) #6
  ret void

39:                                               ; preds = %16
  %40 = load ptr, ptr %4, align 8
  %41 = load i32, ptr %5, align 4
  %42 = insertvalue { ptr, i32 } poison, ptr %40, 0
  %43 = insertvalue { ptr, i32 } %42, i32 %41, 1
  resume { ptr, i32 } %43
}

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" }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nobuiltin allocsize(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 #3 = { "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 #4 = { nobuiltin nounwind "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 #5 = { nounwind "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 #6 = { nounwind }
attributes #7 = { builtin allocsize(0) }
attributes #8 = { builtin 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++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !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"

@.str = external hidden unnamed_addr constant [12 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z6assertiPKc(i32 noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znwm(i64 noundef) local_unnamed_addr #1

declare void @_ZN2VMC1Eii(ptr noundef nonnull align 8 dereferenceable(180), i32 noundef, i32 noundef) unnamed_addr #2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) local_unnamed_addr #3

declare noundef ptr @_ZN2VM8pushAtomEi(ptr noundef nonnull align 8 dereferenceable(180), i32 noundef) local_unnamed_addr #2

declare noundef i32 @_ZN2VM18getNumberAllocatedEv(ptr noundef nonnull align 8 dereferenceable(180)) local_unnamed_addr #2

; Function Attrs: nounwind
declare void @_ZN2VMD1Ev(ptr noundef nonnull align 8 dereferenceable(180)) unnamed_addr #4

; Function Attrs: mustprogress uwtable
define dso_local void @_Z20testMemoryExhaustionv() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = tail call noalias noundef nonnull dereferenceable(184) ptr @_Znwm(i64 noundef 184) #5
  invoke void @_ZN2VMC1Eii(ptr noundef nonnull align 8 dereferenceable(180) %1, i32 noundef 5, i32 noundef 5)
          to label %.preheader.preheader unwind label %11

.preheader.preheader:                             ; preds = %0
  %2 = tail call noundef ptr @_ZN2VM8pushAtomEi(ptr noundef nonnull align 8 dereferenceable(180) %1, i32 noundef 1)
  %3 = tail call noundef ptr @_ZN2VM8pushAtomEi(ptr noundef nonnull align 8 dereferenceable(180) %1, i32 noundef 2)
  %4 = tail call noundef ptr @_ZN2VM8pushAtomEi(ptr noundef nonnull align 8 dereferenceable(180) %1, i32 noundef 3)
  %5 = tail call noundef ptr @_ZN2VM8pushAtomEi(ptr noundef nonnull align 8 dereferenceable(180) %1, i32 noundef 4)
  %6 = tail call noundef ptr @_ZN2VM8pushAtomEi(ptr noundef nonnull align 8 dereferenceable(180) %1, i32 noundef 5)
  %7 = tail call noundef i32 @_ZN2VM18getNumberAllocatedEv(ptr noundef nonnull align 8 dereferenceable(180) %1)
  %8 = icmp eq i32 %7, 5
  %9 = zext i1 %8 to i32
  tail call void @_Z6assertiPKc(i32 noundef %9, ptr noundef nonnull @.str)
  %10 = tail call noundef ptr @_ZN2VM8pushAtomEi(ptr noundef nonnull align 8 dereferenceable(180) %1, i32 noundef 1)
  tail call void @_ZN2VMD1Ev(ptr noundef nonnull align 8 dereferenceable(180) %1) #6
  tail call void @_ZdlPvm(ptr noundef nonnull %1, i64 noundef 184) #7
  ret void

11:                                               ; preds = %0
  %12 = landingpad { ptr, i32 }
          cleanup
  tail call void @_ZdlPvm(ptr noundef nonnull %1, i64 noundef 184) #7
  resume { ptr, i32 } %12
}

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" }
attributes #1 = { nobuiltin allocsize(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 = { nobuiltin nounwind "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 #4 = { nounwind "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 #5 = { builtin allocsize(0) }
attributes #6 = { nounwind }
attributes #7 = { builtin 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)"}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,LoopRotatePass,LoopSimplifyPass,SROAPass,SimplifyCFGPass,TailCallElimPass