; LLVM IR from specinfo-ua/UAPKI :: library/common/json/parson-helper.ll (ZN12ParsonHelper9serializeEPPc)

; 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.ParsonHelper = type { ptr, ptr }

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN12ParsonHelper7cleanupEv(ptr noundef nonnull align 8 dereferenceable(16)) #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_ZN12ParsonHelper9serializeEPPc(ptr noundef nonnull align 8 dereferenceable(16) %0, ptr noundef %1) #0 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i8, align 1
  %6 = alloca i64, align 8
  %7 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %8 = load ptr, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 1, ptr %5) #5
  store i8 0, ptr %5, align 1, !tbaa !9
  %9 = load ptr, ptr %4, align 8, !tbaa !5
  %10 = icmp ne ptr %9, null
  br i1 %10, label %11, label %36

11:                                               ; preds = %2
  %12 = load ptr, ptr %4, align 8, !tbaa !5
  store ptr null, ptr %12, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #5
  %13 = getelementptr inbounds %class.ParsonHelper, ptr %8, i32 0, i32 0
  %14 = load ptr, ptr %13, align 8, !tbaa !11
  %15 = call i64 @json_serialization_size(ptr noundef %14)
  store i64 %15, ptr %6, align 8, !tbaa !13
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #5
  %16 = load i64, ptr %6, align 8, !tbaa !13
  %17 = call noalias ptr @malloc(i64 noundef %16) #6
  store ptr %17, ptr %7, align 8, !tbaa !5
  %18 = load ptr, ptr %7, align 8, !tbaa !5
  %19 = icmp ne ptr %18, null
  br i1 %19, label %20, label %35

20:                                               ; preds = %11
  %21 = getelementptr inbounds %class.ParsonHelper, ptr %8, i32 0, i32 0
  %22 = load ptr, ptr %21, align 8, !tbaa !11
  %23 = load ptr, ptr %7, align 8, !tbaa !5
  %24 = load i64, ptr %6, align 8, !tbaa !13
  %25 = call i32 @json_serialize_to_buffer(ptr noundef %22, ptr noundef %23, i64 noundef %24)
  %26 = icmp eq i32 %25, 0
  %27 = zext i1 %26 to i8
  store i8 %27, ptr %5, align 1, !tbaa !9
  %28 = load i8, ptr %5, align 1, !tbaa !9, !range !15, !noundef !16
  %29 = trunc i8 %28 to i1
  br i1 %29, label %32, label %30

30:                                               ; preds = %20
  %31 = load ptr, ptr %7, align 8, !tbaa !5
  call void @free(ptr noundef %31) #5
  store ptr null, ptr %7, align 8, !tbaa !5
  br label %32

32:                                               ; preds = %30, %20
  %33 = load ptr, ptr %7, align 8, !tbaa !5
  %34 = load ptr, ptr %4, align 8, !tbaa !5
  store ptr %33, ptr %34, align 8, !tbaa !5
  br label %35

35:                                               ; preds = %32, %11
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #5
  br label %36

36:                                               ; preds = %35, %2
  call void @_ZN12ParsonHelper7cleanupEv(ptr noundef nonnull align 8 dereferenceable(16) %8)
  %37 = load i8, ptr %5, align 1, !tbaa !9, !range !15, !noundef !16
  %38 = trunc i8 %37 to i1
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #5
  ret i1 %38
}

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

declare i64 @json_serialization_size(ptr noundef) #2

; Function Attrs: nounwind allocsize(0)
declare noalias ptr @malloc(i64 noundef) #3

declare i32 @json_serialize_to_buffer(ptr noundef, ptr noundef, i64 noundef) #2

; Function Attrs: nounwind
declare void @free(ptr noundef) #4

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

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 = { "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 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 #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 = { nounwind }
attributes #6 = { nounwind allocsize(0) }

!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 = !{!"bool", !7, i64 0}
!11 = !{!12, !6, i64 0}
!12 = !{!"_ZTS12ParsonHelper", !6, i64 0, !6, i64 8}
!13 = !{!14, !14, i64 0}
!14 = !{!"long", !7, i64 0}
!15 = !{i8 0, i8 2}
!16 = !{}


; 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 uwtable
declare dso_local void @_ZN12ParsonHelper7cleanupEv(ptr noundef nonnull align 8 dereferenceable(16)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_ZN12ParsonHelper9serializeEPPc(ptr noundef nonnull align 8 dereferenceable(16) %0, ptr noundef writeonly %1) local_unnamed_addr #0 align 2 {
  %.not = icmp eq ptr %1, null
  br i1 %.not, label %13, label %3

3:                                                ; preds = %2
  store ptr null, ptr %1, align 8, !tbaa !5
  %4 = load ptr, ptr %0, align 8, !tbaa !9
  %5 = tail call i64 @json_serialization_size(ptr noundef %4)
  %6 = tail call noalias ptr @malloc(i64 noundef %5) #4
  %.not14 = icmp eq ptr %6, null
  br i1 %.not14, label %13, label %7

7:                                                ; preds = %3
  %8 = load ptr, ptr %0, align 8, !tbaa !9
  %9 = tail call i32 @json_serialize_to_buffer(ptr noundef %8, ptr noundef nonnull %6, i64 noundef %5)
  %10 = icmp eq i32 %9, 0
  br i1 %10, label %12, label %11

11:                                               ; preds = %7
  tail call void @free(ptr noundef nonnull %6) #5
  br label %12

12:                                               ; preds = %11, %7
  %.0 = phi ptr [ %6, %7 ], [ null, %11 ]
  store ptr %.0, ptr %1, align 8, !tbaa !5
  br label %13

13:                                               ; preds = %3, %12, %2
  %.1 = phi i1 [ false, %2 ], [ %10, %12 ], [ false, %3 ]
  tail call void @_ZN12ParsonHelper7cleanupEv(ptr noundef nonnull align 8 dereferenceable(16) %0)
  ret i1 %.1
}

declare i64 @json_serialization_size(ptr noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nofree nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(inaccessiblemem: readwrite)
declare noalias noundef ptr @malloc(i64 noundef) local_unnamed_addr #2

declare i32 @json_serialize_to_buffer(ptr noundef, ptr noundef, i64 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite)
declare void @free(ptr allocptr nocapture noundef) local_unnamed_addr #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 = { "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 nofree nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(inaccessiblemem: readwrite) "alloc-family"="malloc" "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 willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite) "alloc-family"="malloc" "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 allocsize(0) }
attributes #5 = { 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, !6, i64 0}
!10 = !{!"_ZTS12ParsonHelper", !6, i64 0, !6, i64 8}


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