; LLVM IR from opset/openset :: lib/cjson/cjson.ll (ZN5cjsonC2EPcm)

; 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"

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN5cjsonC2Ev(ptr noundef nonnull align 8 dereferenceable(89)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN5cjsonD2Ev(ptr noundef nonnull align 8 dereferenceable(89)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN5cjsonC2EPcm(ptr noundef nonnull align 8 dereferenceable(89) %0, ptr noundef %1, i64 noundef %2) unnamed_addr #0 align 2 personality ptr @__gxx_personality_v0 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i64, align 8
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  store i64 %2, ptr %6, align 8, !tbaa !9
  %9 = load ptr, ptr %4, align 8
  call void @_ZN5cjsonC2Ev(ptr noundef nonnull align 8 dereferenceable(89) %9)
  %10 = load i64, ptr %6, align 8, !tbaa !9
  %11 = icmp ne i64 %10, 0
  br i1 %11, label %12, label %24

12:                                               ; preds = %3
  %13 = load ptr, ptr %5, align 8, !tbaa !5
  %14 = load i64, ptr %6, align 8, !tbaa !9
  %15 = sub i64 %14, 1
  %16 = getelementptr inbounds i8, ptr %13, i64 %15
  store i8 0, ptr %16, align 1, !tbaa !11
  %17 = load ptr, ptr %5, align 8, !tbaa !5
  %18 = invoke noundef ptr @_ZN5cjson5parseEPKcPS_b(ptr noundef %17, ptr noundef %9, i1 noundef zeroext true)
          to label %19 unwind label %20

19:                                               ; preds = %12
  br label %24

20:                                               ; preds = %12
  %21 = landingpad { ptr, i32 }
          cleanup
  %22 = extractvalue { ptr, i32 } %21, 0
  store ptr %22, ptr %7, align 8
  %23 = extractvalue { ptr, i32 } %21, 1
  store i32 %23, ptr %8, align 4
  call void @_ZN5cjsonD2Ev(ptr noundef nonnull align 8 dereferenceable(89) %9) #2
  br label %25

24:                                               ; preds = %19, %3
  ret void

25:                                               ; preds = %20
  %26 = load ptr, ptr %7, align 8
  %27 = load i32, ptr %8, align 4
  %28 = insertvalue { ptr, i32 } poison, ptr %26, 0
  %29 = insertvalue { ptr, i32 } %28, i32 %27, 1
  resume { ptr, i32 } %29
}

; Function Attrs: mustprogress uwtable
declare dso_local noundef ptr @_ZN5cjson5parseEPKcPS_b(ptr noundef, ptr noundef, i1 noundef zeroext) #0 align 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 = { 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 #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 = !{!"long", !7, i64 0}
!11 = !{!7, !7, i64 0}


; 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"

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN5cjsonC2Ev(ptr noundef nonnull align 8 dereferenceable(89)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN5cjsonD2Ev(ptr noundef nonnull align 8 dereferenceable(89)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN5cjsonC2EPcm(ptr noundef nonnull align 8 dereferenceable(89) %0, ptr noundef %1, i64 noundef %2) unnamed_addr #0 align 2 personality ptr @__gxx_personality_v0 {
  tail call void @_ZN5cjsonC2Ev(ptr noundef nonnull align 8 dereferenceable(89) %0)
  %.not = icmp eq i64 %2, 0
  br i1 %.not, label %10, label %4

4:                                                ; preds = %3
  %5 = getelementptr i8, ptr %1, i64 %2
  %6 = getelementptr i8, ptr %5, i64 -1
  store i8 0, ptr %6, align 1, !tbaa !5
  %7 = invoke noundef ptr @_ZN5cjson5parseEPKcPS_b(ptr noundef nonnull %1, ptr noundef nonnull %0, i1 noundef zeroext true)
          to label %10 unwind label %8

8:                                                ; preds = %4
  %9 = landingpad { ptr, i32 }
          cleanup
  tail call void @_ZN5cjsonD2Ev(ptr noundef nonnull align 8 dereferenceable(89) %0) #2
  resume { ptr, i32 } %9

10:                                               ; preds = %4, %3
  ret void
}

; Function Attrs: mustprogress uwtable
declare dso_local noundef ptr @_ZN5cjson5parseEPKcPS_b(ptr noundef, ptr noundef, i1 noundef zeroext) local_unnamed_addr #0 align 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 = { 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 #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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}


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