; LLVM IR from caryll/otfcc :: dep/extern (json-builder)

; 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"

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #0

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

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

; Function Attrs: nounwind allocsize(0)
declare noalias ptr @malloc(i64 noundef) #2

; Function Attrs: nounwind
declare void @free(ptr noundef) #3

; Function Attrs: nounwind uwtable
define dso_local ptr @json_string_new_length(i32 noundef %0, ptr noundef %1) #4 {
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  store i32 %0, ptr %4, align 4, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #5
  %9 = load i32, ptr %4, align 4, !tbaa !5
  %10 = add i32 %9, 1
  %11 = zext i32 %10 to i64
  %12 = mul i64 %11, 1
  %13 = call noalias ptr @malloc(i64 noundef %12) #6
  store ptr %13, ptr %7, align 8, !tbaa !9
  %14 = load ptr, ptr %7, align 8, !tbaa !9
  %15 = icmp ne ptr %14, null
  br i1 %15, label %17, label %16

16:                                               ; preds = %2
  store ptr null, ptr %3, align 8
  store i32 1, ptr %8, align 4
  br label %35

17:                                               ; preds = %2
  %18 = load ptr, ptr %7, align 8, !tbaa !9
  %19 = load ptr, ptr %5, align 8, !tbaa !9
  %20 = load i32, ptr %4, align 4, !tbaa !5
  %21 = zext i32 %20 to i64
  %22 = mul i64 %21, 1
  call void @llvm.memcpy.p0.p0.i64(ptr align 1 %18, ptr align 1 %19, i64 %22, i1 false)
  %23 = load ptr, ptr %7, align 8, !tbaa !9
  %24 = load i32, ptr %4, align 4, !tbaa !5
  %25 = zext i32 %24 to i64
  %26 = getelementptr inbounds i8, ptr %23, i64 %25
  store i8 0, ptr %26, align 1, !tbaa !11
  %27 = load i32, ptr %4, align 4, !tbaa !5
  %28 = load ptr, ptr %7, align 8, !tbaa !9
  %29 = call ptr @json_string_new_nocopy(i32 noundef %27, ptr noundef %28)
  store ptr %29, ptr %6, align 8, !tbaa !9
  %30 = icmp ne ptr %29, null
  br i1 %30, label %33, label %31

31:                                               ; preds = %17
  %32 = load ptr, ptr %7, align 8, !tbaa !9
  call void @free(ptr noundef %32) #5
  store ptr null, ptr %3, align 8
  store i32 1, ptr %8, align 4
  br label %35

33:                                               ; preds = %17
  %34 = load ptr, ptr %6, align 8, !tbaa !9
  store ptr %34, ptr %3, align 8
  store i32 1, ptr %8, align 4
  br label %35

35:                                               ; preds = %33, %31, %16
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #5
  %36 = load ptr, ptr %3, align 8
  ret ptr %36
}

; Function Attrs: nounwind uwtable
declare dso_local ptr @json_string_new_nocopy(i32 noundef, ptr noundef) #4

attributes #0 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #3 = { 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 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 #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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !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"

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #0

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

; Function Attrs: nounwind uwtable
define dso_local ptr @json_string_new_length(i32 noundef %0, ptr nocapture noundef readonly %1) local_unnamed_addr #3 {
  %3 = add i32 %0, 1
  %4 = zext i32 %3 to i64
  %5 = tail call noalias ptr @malloc(i64 noundef %4) #4
  %.not = icmp eq ptr %5, null
  br i1 %.not, label %11, label %6

6:                                                ; preds = %2
  %7 = zext i32 %0 to i64
  tail call void @llvm.memcpy.p0.p0.i64(ptr nonnull align 1 %5, ptr align 1 %1, i64 %7, i1 false)
  %8 = getelementptr inbounds i8, ptr %5, i64 %7
  store i8 0, ptr %8, align 1, !tbaa !5
  %9 = tail call ptr @json_string_new_nocopy(i32 noundef %0, ptr noundef nonnull %5)
  %.not13 = icmp eq ptr %9, null
  br i1 %.not13, label %10, label %11

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

11:                                               ; preds = %6, %2, %10
  %.0 = phi ptr [ null, %10 ], [ null, %2 ], [ %9, %6 ]
  ret ptr %.0
}

; Function Attrs: nounwind uwtable
declare dso_local ptr @json_string_new_nocopy(i32 noundef, ptr noundef) local_unnamed_addr #3

attributes #0 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { 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 #3 = { 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 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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C/C++ TBAA"}


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