; LLVM IR from clibs/clib :: deps/parson (parson)

; 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: nounwind uwtable
define dso_local ptr @json_parse_string(ptr noundef %0) #0 {
  %2 = alloca ptr, align 8
  %3 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  %4 = load ptr, ptr %3, align 8, !tbaa !5
  %5 = icmp eq ptr %4, null
  br i1 %5, label %6, label %7

6:                                                ; preds = %1
  store ptr null, ptr %2, align 8
  br label %36

7:                                                ; preds = %1
  br label %8

8:                                                ; preds = %20, %7
  %9 = call ptr @__ctype_b_loc() #2
  %10 = load ptr, ptr %9, align 8, !tbaa !5
  %11 = load ptr, ptr %3, align 8, !tbaa !5
  %12 = load i8, ptr %11, align 1, !tbaa !9
  %13 = sext i8 %12 to i32
  %14 = sext i32 %13 to i64
  %15 = getelementptr inbounds i16, ptr %10, i64 %14
  %16 = load i16, ptr %15, align 2, !tbaa !10
  %17 = zext i16 %16 to i32
  %18 = and i32 %17, 8192
  %19 = icmp ne i32 %18, 0
  br i1 %19, label %20, label %23

20:                                               ; preds = %8
  %21 = load ptr, ptr %3, align 8, !tbaa !5
  %22 = getelementptr inbounds i8, ptr %21, i32 1
  store ptr %22, ptr %3, align 8, !tbaa !5
  br label %8, !llvm.loop !12

23:                                               ; preds = %8
  %24 = load ptr, ptr %3, align 8, !tbaa !5
  %25 = load i8, ptr %24, align 1, !tbaa !9
  %26 = sext i8 %25 to i32
  %27 = icmp ne i32 %26, 123
  br i1 %27, label %28, label %34

28:                                               ; preds = %23
  %29 = load ptr, ptr %3, align 8, !tbaa !5
  %30 = load i8, ptr %29, align 1, !tbaa !9
  %31 = sext i8 %30 to i32
  %32 = icmp ne i32 %31, 91
  br i1 %32, label %33, label %34

33:                                               ; preds = %28
  store ptr null, ptr %2, align 8
  br label %36

34:                                               ; preds = %28, %23
  %35 = call ptr @parse_value(ptr noundef %3, i64 noundef 0)
  store ptr %35, ptr %2, align 8
  br label %36

36:                                               ; preds = %34, %33, %6
  %37 = load ptr, ptr %2, align 8
  ret ptr %37
}

; Function Attrs: nounwind willreturn memory(none)
declare ptr @__ctype_b_loc() #1

; Function Attrs: nounwind uwtable
declare hidden ptr @parse_value(ptr noundef, i64 noundef) #0

attributes #0 = { 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 #1 = { nounwind willreturn memory(none) "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 willreturn memory(none) }

!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/C++ TBAA"}
!9 = !{!7, !7, i64 0}
!10 = !{!11, !11, i64 0}
!11 = !{!"short", !7, i64 0}
!12 = distinct !{!12, !13}
!13 = !{!"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"

; Function Attrs: nounwind uwtable
define dso_local ptr @json_parse_string(ptr noundef %0) local_unnamed_addr #0 {
  %2 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %3 = icmp eq ptr %0, null
  br i1 %3, label %20, label %.preheader

.preheader:                                       ; preds = %1
  %4 = tail call ptr @__ctype_b_loc() #2
  %5 = load ptr, ptr %4, align 8, !tbaa !5
  %6 = load i8, ptr %0, align 1, !tbaa !9
  %7 = sext i8 %6 to i64
  %8 = getelementptr inbounds i16, ptr %5, i64 %7
  %9 = load i16, ptr %8, align 2, !tbaa !10
  %10 = and i16 %9, 8192
  %.not4 = icmp eq i16 %10, 0
  br i1 %.not4, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %.preheader, %.lr.ph
  %11 = phi ptr [ %12, %.lr.ph ], [ %0, %.preheader ]
  %12 = getelementptr inbounds i8, ptr %11, i64 1
  %13 = load i8, ptr %12, align 1, !tbaa !9
  %14 = sext i8 %13 to i64
  %15 = getelementptr inbounds i16, ptr %5, i64 %14
  %16 = load i16, ptr %15, align 2, !tbaa !10
  %17 = and i16 %16, 8192
  %.not = icmp eq i16 %17, 0
  br i1 %.not, label %._crit_edge.loopexit, label %.lr.ph, !llvm.loop !12

._crit_edge.loopexit:                             ; preds = %.lr.ph
  store ptr %12, ptr %2, align 8, !tbaa !5
  br label %._crit_edge

._crit_edge:                                      ; preds = %._crit_edge.loopexit, %.preheader
  %.lcssa = phi i8 [ %6, %.preheader ], [ %13, %._crit_edge.loopexit ]
  switch i8 %.lcssa, label %20 [
    i8 123, label %18
    i8 91, label %18
  ]

18:                                               ; preds = %._crit_edge, %._crit_edge
  %19 = call ptr @parse_value(ptr noundef nonnull %2, i64 noundef 0)
  br label %20

20:                                               ; preds = %._crit_edge, %1, %18
  %.0 = phi ptr [ %19, %18 ], [ null, %1 ], [ null, %._crit_edge ]
  ret ptr %.0
}

; Function Attrs: mustprogress nofree nosync nounwind willreturn memory(none)
declare ptr @__ctype_b_loc() local_unnamed_addr #1

; Function Attrs: nounwind uwtable
declare hidden ptr @parse_value(ptr noundef, i64 noundef) local_unnamed_addr #0

attributes #0 = { 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 #1 = { mustprogress nofree nosync nounwind willreturn memory(none) "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 willreturn memory(none) }

!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/C++ TBAA"}
!9 = !{!7, !7, i64 0}
!10 = !{!11, !11, i64 0}
!11 = !{!"short", !7, i64 0}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass