; LLVM IR from fritzsedlazeck/SURVIVOR :: src/vcfs/Merge_VCF.ll (Z13parse_callersPc)

; 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"

%"class.std::vector.4" = type { %"struct.std::_Vector_base.5" }
%"struct.std::_Vector_base.5" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }

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

declare i32 @__gxx_personality_v0(...)

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

; Function Attrs: inlinehint mustprogress nounwind willreturn memory(read) uwtable
declare i32 @atoi(ptr noundef nonnull) #1

; Function Attrs: mustprogress uwtable
define dso_local void @_Z13parse_callersPc(ptr dead_on_unwind noalias writable sret(%"class.std::vector.4") align 8 %0, ptr noundef %1) #2 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i64, align 8
  %6 = alloca i1, align 1
  %7 = alloca i32, align 4
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  store ptr %0, ptr %3, align 8
  store ptr %1, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #4
  store i64 0, ptr %5, align 8, !tbaa !9
  store i1 false, ptr %6, align 1
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #4
  %11 = load ptr, ptr %4, align 8, !tbaa !5
  %12 = load i64, ptr %5, align 8, !tbaa !9
  %13 = getelementptr inbounds i8, ptr %11, i64 %12
  %14 = call i32 @atoi(ptr noundef %13) #5
  store i32 %14, ptr %7, align 4, !tbaa !11
  invoke void @_ZNSt6vectorIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 4 dereferenceable(4) %7)
          to label %15 unwind label %46

15:                                               ; preds = %2
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #4
  br label %16

16:                                               ; preds = %54, %15
  %17 = load ptr, ptr %4, align 8, !tbaa !5
  %18 = load i64, ptr %5, align 8, !tbaa !9
  %19 = getelementptr inbounds i8, ptr %17, i64 %18
  %20 = load i8, ptr %19, align 1, !tbaa !13
  %21 = sext i8 %20 to i32
  %22 = icmp ne i32 %21, 59
  br i1 %22, label %23, label %30

23:                                               ; preds = %16
  %24 = load ptr, ptr %4, align 8, !tbaa !5
  %25 = load i64, ptr %5, align 8, !tbaa !9
  %26 = getelementptr inbounds i8, ptr %24, i64 %25
  %27 = load i8, ptr %26, align 1, !tbaa !13
  %28 = sext i8 %27 to i32
  %29 = icmp ne i32 %28, 0
  br label %30

30:                                               ; preds = %23, %16
  %31 = phi i1 [ false, %16 ], [ %29, %23 ]
  br i1 %31, label %32, label %57

32:                                               ; preds = %30
  %33 = load ptr, ptr %4, align 8, !tbaa !5
  %34 = load i64, ptr %5, align 8, !tbaa !9
  %35 = getelementptr inbounds i8, ptr %33, i64 %34
  %36 = load i8, ptr %35, align 1, !tbaa !13
  %37 = sext i8 %36 to i32
  %38 = icmp eq i32 %37, 44
  br i1 %38, label %39, label %54

39:                                               ; preds = %32
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #4
  %40 = load ptr, ptr %4, align 8, !tbaa !5
  %41 = load i64, ptr %5, align 8, !tbaa !9
  %42 = add i64 %41, 1
  %43 = getelementptr inbounds i8, ptr %40, i64 %42
  %44 = call i32 @atoi(ptr noundef %43) #5
  store i32 %44, ptr %10, align 4, !tbaa !11
  invoke void @_ZNSt6vectorIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 4 dereferenceable(4) %10)
          to label %45 unwind label %50

45:                                               ; preds = %39
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #4
  br label %54

46:                                               ; preds = %2
  %47 = landingpad { ptr, i32 }
          cleanup
  %48 = extractvalue { ptr, i32 } %47, 0
  store ptr %48, ptr %8, align 8
  %49 = extractvalue { ptr, i32 } %47, 1
  store i32 %49, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #4
  br label %61

50:                                               ; preds = %39
  %51 = landingpad { ptr, i32 }
          cleanup
  %52 = extractvalue { ptr, i32 } %51, 0
  store ptr %52, ptr %8, align 8
  %53 = extractvalue { ptr, i32 } %51, 1
  store i32 %53, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #4
  br label %61

54:                                               ; preds = %45, %32
  %55 = load i64, ptr %5, align 8, !tbaa !9
  %56 = add i64 %55, 1
  store i64 %56, ptr %5, align 8, !tbaa !9
  br label %16, !llvm.loop !14

57:                                               ; preds = %30
  store i1 true, ptr %6, align 1
  %58 = load i1, ptr %6, align 1
  br i1 %58, label %60, label %59

59:                                               ; preds = %57
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #4
  br label %60

60:                                               ; preds = %59, %57
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #4
  ret void

61:                                               ; preds = %50, %46
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #4
  br label %62

62:                                               ; preds = %61
  %63 = load ptr, ptr %8, align 8
  %64 = load i32, ptr %9, align 4
  %65 = insertvalue { ptr, i32 } poison, ptr %63, 0
  %66 = insertvalue { ptr, i32 } %65, i32 %64, 1
  resume { ptr, i32 } %66
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { inlinehint mustprogress nounwind willreturn memory(read) 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 = { 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 #3 = { mustprogress 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 #4 = { nounwind }
attributes #5 = { nounwind willreturn memory(read) }

!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 = !{!"long", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"int", !7, i64 0}
!13 = !{!7, !7, i64 0}
!14 = distinct !{!14, !15}
!15 = !{!"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"

%"class.std::vector.4" = type { %"struct.std::_Vector_base.5" }
%"struct.std::_Vector_base.5" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }

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

declare i32 @__gxx_personality_v0(...)

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

; Function Attrs: inlinehint mustprogress nofree nounwind willreturn memory(read) uwtable
declare i32 @atoi(ptr nocapture noundef nonnull) local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
define dso_local void @_Z13parse_callersPc(ptr dead_on_unwind noalias nonnull writable sret(%"class.std::vector.4") align 8 %0, ptr nocapture noundef readonly %1) local_unnamed_addr #2 personality ptr @__gxx_personality_v0 {
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  tail call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #4
  %5 = tail call i32 @atoi(ptr nocapture noundef %1) #5
  store i32 %5, ptr %3, align 4, !tbaa !5
  invoke void @_ZNSt6vectorIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 4 dereferenceable(4) %3)
          to label %6 unwind label %14

6:                                                ; preds = %2
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #4
  br label %7

7:                                                ; preds = %18, %6
  %.014 = phi i64 [ 0, %6 ], [ %19, %18 ]
  %8 = getelementptr inbounds i8, ptr %1, i64 %.014
  %9 = load i8, ptr %8, align 1, !tbaa !9
  switch i8 %9, label %18 [
    i8 59, label %.critedge
    i8 0, label %.critedge
    i8 44, label %10
  ]

10:                                               ; preds = %7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #4
  %11 = getelementptr i8, ptr %8, i64 1
  %12 = call i32 @atoi(ptr nocapture noundef %11) #5
  store i32 %12, ptr %4, align 4, !tbaa !5
  invoke void @_ZNSt6vectorIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 4 dereferenceable(4) %4)
          to label %13 unwind label %16

13:                                               ; preds = %10
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #4
  br label %18

14:                                               ; preds = %2
  %15 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #4
  br label %20

16:                                               ; preds = %10
  %17 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #4
  br label %20

18:                                               ; preds = %7, %13
  %19 = add i64 %.014, 1
  br label %7, !llvm.loop !10

.critedge:                                        ; preds = %7, %7
  ret void

20:                                               ; preds = %16, %14
  %.pn = phi { ptr, i32 } [ %17, %16 ], [ %15, %14 ]
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #4
  resume { ptr, i32 } %.pn
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backEOi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { inlinehint mustprogress nofree nounwind willreturn memory(read) 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 = { 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 #3 = { mustprogress 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 #4 = { nounwind }
attributes #5 = { nounwind willreturn memory(read) }

!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 = !{!7, !7, i64 0}
!10 = distinct !{!10, !11}
!11 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass