; LLVM IR from yinqiwen/ardb :: deps/cJSON (cJSON)

; 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"

%struct.cJSON = type { ptr, ptr, ptr, i32, ptr, i32, double, ptr }

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

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

; Function Attrs: nounwind uwtable
define dso_local ptr @cJSON_GetArrayItem(ptr noundef %0, i32 noundef %1) #1 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #2
  %8 = load ptr, ptr %4, align 8, !tbaa !5
  %9 = icmp eq ptr %8, null
  br i1 %9, label %10, label %11

10:                                               ; preds = %2
  store ptr null, ptr %3, align 8
  store i32 1, ptr %7, align 4
  br label %31

11:                                               ; preds = %2
  %12 = load ptr, ptr %4, align 8, !tbaa !5
  %13 = getelementptr inbounds %struct.cJSON, ptr %12, i32 0, i32 2
  %14 = load ptr, ptr %13, align 8, !tbaa !11
  store ptr %14, ptr %6, align 8, !tbaa !5
  br label %15

15:                                               ; preds = %23, %11
  %16 = load ptr, ptr %6, align 8, !tbaa !5
  %17 = icmp ne ptr %16, null
  br i1 %17, label %18, label %21

18:                                               ; preds = %15
  %19 = load i32, ptr %5, align 4, !tbaa !9
  %20 = icmp sgt i32 %19, 0
  br label %21

21:                                               ; preds = %18, %15
  %22 = phi i1 [ false, %15 ], [ %20, %18 ]
  br i1 %22, label %23, label %29

23:                                               ; preds = %21
  %24 = load i32, ptr %5, align 4, !tbaa !9
  %25 = add nsw i32 %24, -1
  store i32 %25, ptr %5, align 4, !tbaa !9
  %26 = load ptr, ptr %6, align 8, !tbaa !5
  %27 = getelementptr inbounds %struct.cJSON, ptr %26, i32 0, i32 0
  %28 = load ptr, ptr %27, align 8, !tbaa !14
  store ptr %28, ptr %6, align 8, !tbaa !5
  br label %15, !llvm.loop !15

29:                                               ; preds = %21
  %30 = load ptr, ptr %6, align 8, !tbaa !5
  store ptr %30, ptr %3, align 8
  store i32 1, ptr %7, align 4
  br label %31

31:                                               ; preds = %29, %10
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #2
  %32 = load ptr, ptr %3, align 8
  ret ptr %32
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !6, i64 16}
!12 = !{!"cJSON", !6, i64 0, !6, i64 8, !6, i64 16, !10, i64 24, !6, i64 32, !10, i64 40, !13, i64 48, !6, i64 56}
!13 = !{!"double", !7, i64 0}
!14 = !{!12, !6, i64 0}
!15 = distinct !{!15, !16}
!16 = !{!"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: nofree norecurse nosync nounwind memory(read, inaccessiblemem: none) uwtable
define dso_local ptr @cJSON_GetArrayItem(ptr noundef readonly %0, i32 noundef %1) local_unnamed_addr #0 {
  %3 = icmp eq ptr %0, null
  br i1 %3, label %.loopexit, label %4

4:                                                ; preds = %2
  %5 = getelementptr inbounds i8, ptr %0, i64 16
  br label %6

6:                                                ; preds = %6, %4
  %.07 = phi i32 [ %1, %4 ], [ %10, %6 ]
  %.0.in = phi ptr [ %5, %4 ], [ %.0, %6 ]
  %.0 = load ptr, ptr %.0.in, align 8, !tbaa !5
  %7 = icmp ne ptr %.0, null
  %8 = icmp sgt i32 %.07, 0
  %9 = select i1 %7, i1 %8, i1 false
  %10 = add nsw i32 %.07, -1
  br i1 %9, label %6, label %.loopexit, !llvm.loop !9

.loopexit:                                        ; preds = %6, %2
  %.08 = phi ptr [ null, %2 ], [ %.0, %6 ]
  ret ptr %.08
}

attributes #0 = { nofree norecurse nosync nounwind memory(read, inaccessiblemem: none) 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" }

!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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


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