; LLVM IR from Deborah-Digges/mark-sweep-simulation :: 01-marksweep-simple/tests.ll (Z19testCollectsGarbagev)

; 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.1 = external hidden unnamed_addr constant [10 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [16 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

declare void @_ZN2VM2gcEv(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 @_Z19testCollectsGarbagev() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca ptr, align 8
  %2 = alloca ptr, align 8
  %3 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %1) #6
  %4 = call noalias noundef nonnull ptr @_Znwm(i64 noundef 184) #7
  invoke void @_ZN2VMC1Eii(ptr noundef nonnull align 8 dereferenceable(180) %4, i32 noundef 10, i32 noundef 100)
          to label %5 unwind label %27

5:                                                ; preds = %0
  store ptr %4, ptr %1, align 8, !tbaa !5
  %6 = load ptr, ptr %1, align 8, !tbaa !5
  %7 = call noundef ptr @_ZN2VM8pushAtomEi(ptr noundef nonnull align 8 dereferenceable(180) %6, i32 noundef 1)
  %8 = load ptr, ptr %1, align 8, !tbaa !5
  %9 = call noundef ptr @_ZN2VM8pushAtomEi(ptr noundef nonnull align 8 dereferenceable(180) %8, i32 noundef 2)
  %10 = load ptr, ptr %1, align 8, !tbaa !5
  %11 = call noundef ptr @_ZN2VM3popEv(ptr noundef nonnull align 8 dereferenceable(180) %10)
  %12 = load ptr, ptr %1, align 8, !tbaa !5
  %13 = call noundef ptr @_ZN2VM3popEv(ptr noundef nonnull align 8 dereferenceable(180) %12)
  %14 = load ptr, ptr %1, align 8, !tbaa !5
  %15 = call noundef i32 @_ZN2VM18getNumberAllocatedEv(ptr noundef nonnull align 8 dereferenceable(180) %14)
  %16 = icmp eq i32 %15, 2
  %17 = zext i1 %16 to i32
  call void @_Z6assertiPKc(i32 noundef %17, ptr noundef @.str.2)
  %18 = load ptr, ptr %1, align 8, !tbaa !5
  call void @_ZN2VM2gcEv(ptr noundef nonnull align 8 dereferenceable(180) %18)
  %19 = load ptr, ptr %1, align 8, !tbaa !5
  %20 = call noundef i32 @_ZN2VM18getNumberAllocatedEv(ptr noundef nonnull align 8 dereferenceable(180) %19)
  %21 = icmp eq i32 %20, 0
  %22 = zext i1 %21 to i32
  call void @_Z6assertiPKc(i32 noundef %22, ptr noundef @.str.1)
  %23 = load ptr, ptr %1, align 8, !tbaa !5
  %24 = icmp eq ptr %23, null
  br i1 %24, label %26, label %25

25:                                               ; preds = %5
  call void @_ZN2VMD1Ev(ptr noundef nonnull align 8 dereferenceable(180) %23) #6
  call void @_ZdlPvm(ptr noundef %23, i64 noundef 184) #8
  br label %26

26:                                               ; preds = %25, %5
  call void @llvm.lifetime.end.p0(i64 8, ptr %1) #6
  ret void

27:                                               ; preds = %0
  %28 = landingpad { ptr, i32 }
          cleanup
  %29 = extractvalue { ptr, i32 } %28, 0
  store ptr %29, ptr %2, align 8
  %30 = extractvalue { ptr, i32 } %28, 1
  store i32 %30, ptr %3, align 4
  call void @_ZdlPvm(ptr noundef %4, i64 noundef 184) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %1) #6
  br label %31

31:                                               ; preds = %27
  %32 = load ptr, ptr %2, align 8
  %33 = load i32, ptr %3, align 4
  %34 = insertvalue { ptr, i32 } poison, ptr %32, 0
  %35 = insertvalue { ptr, i32 } %34, i32 %33, 1
  resume { ptr, i32 } %35
}

declare noundef ptr @_ZN2VM3popEv(ptr noundef nonnull align 8 dereferenceable(180)) #3

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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}


; 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.1 = external hidden unnamed_addr constant [10 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [16 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

declare void @_ZN2VM2gcEv(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 @_Z19testCollectsGarbagev() 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 10, i32 noundef 100)
          to label %2 unwind label %13

2:                                                ; preds = %0
  %3 = tail call noundef ptr @_ZN2VM8pushAtomEi(ptr noundef nonnull align 8 dereferenceable(180) %1, i32 noundef 1)
  %4 = tail call noundef ptr @_ZN2VM8pushAtomEi(ptr noundef nonnull align 8 dereferenceable(180) %1, i32 noundef 2)
  %5 = tail call noundef ptr @_ZN2VM3popEv(ptr noundef nonnull align 8 dereferenceable(180) %1)
  %6 = tail call noundef ptr @_ZN2VM3popEv(ptr noundef nonnull align 8 dereferenceable(180) %1)
  %7 = tail call noundef i32 @_ZN2VM18getNumberAllocatedEv(ptr noundef nonnull align 8 dereferenceable(180) %1)
  %8 = icmp eq i32 %7, 2
  %9 = zext i1 %8 to i32
  tail call void @_Z6assertiPKc(i32 noundef %9, ptr noundef nonnull @.str.2)
  tail call void @_ZN2VM2gcEv(ptr noundef nonnull align 8 dereferenceable(180) %1)
  %10 = tail call noundef i32 @_ZN2VM18getNumberAllocatedEv(ptr noundef nonnull align 8 dereferenceable(180) %1)
  %11 = icmp eq i32 %10, 0
  %12 = zext i1 %11 to i32
  tail call void @_Z6assertiPKc(i32 noundef %12, ptr noundef nonnull @.str.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

13:                                               ; preds = %0
  %14 = landingpad { ptr, i32 }
          cleanup
  tail call void @_ZdlPvm(ptr noundef nonnull %1, i64 noundef 184) #7
  resume { ptr, i32 } %14
}

declare noundef ptr @_ZN2VM3popEv(ptr noundef nonnull align 8 dereferenceable(180)) local_unnamed_addr #2

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,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,SROAPass,SimplifyCFGPass,TailCallElimPass