; LLVM IR from cruppstahl/upscaledb :: 3rdparty/json (JSON_parser)

; 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.JSON_parser_struct = type { ptr, ptr, i8, i8, i8, i8, i8, i8, i8, i8, i16, i64, i64, ptr, i64, i8, ptr, i64, i64, i64, [128 x i8], [3500 x i8] }

; 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
declare hidden i32 @pop(ptr noundef, i32 noundef) #1

; Function Attrs: nounwind uwtable
define dso_local i32 @JSON_parser_done(ptr noundef %0) #1 {
  %2 = alloca ptr, align 8
  %3 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #2
  %4 = load ptr, ptr %2, align 8, !tbaa !5
  %5 = getelementptr inbounds %struct.JSON_parser_struct, ptr %4, i32 0, i32 2
  %6 = load i8, ptr %5, align 8, !tbaa !9
  %7 = sext i8 %6 to i32
  %8 = icmp eq i32 %7, 1
  br i1 %8, label %9, label %13

9:                                                ; preds = %1
  %10 = load ptr, ptr %2, align 8, !tbaa !5
  %11 = call i32 @pop(ptr noundef %10, i32 noundef 2)
  %12 = icmp ne i32 %11, 0
  br label %13

13:                                               ; preds = %9, %1
  %14 = phi i1 [ false, %1 ], [ %12, %9 ]
  %15 = zext i1 %14 to i32
  store i32 %15, ptr %3, align 4, !tbaa !13
  %16 = load i32, ptr %3, align 4, !tbaa !13
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #2
  ret i32 %16
}

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, !7, i64 16}
!10 = !{!"JSON_parser_struct", !6, i64 0, !6, i64 8, !7, i64 16, !7, i64 17, !7, i64 18, !7, i64 19, !7, i64 20, !7, i64 21, !7, i64 22, !7, i64 23, !11, i64 24, !12, i64 32, !12, i64 40, !6, i64 48, !12, i64 56, !7, i64 64, !6, i64 72, !12, i64 80, !12, i64 88, !12, i64 96, !7, i64 104, !7, i64 232}
!11 = !{!"short", !7, i64 0}
!12 = !{!"long", !7, i64 0}
!13 = !{!14, !14, i64 0}
!14 = !{!"int", !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: nounwind uwtable
declare hidden i32 @pop(ptr noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local range(i32 0, 2) i32 @JSON_parser_done(ptr noundef %0) local_unnamed_addr #0 {
  %2 = getelementptr inbounds i8, ptr %0, i64 16
  %3 = load i8, ptr %2, align 8, !tbaa !5
  %4 = icmp eq i8 %3, 1
  br i1 %4, label %5, label %9

5:                                                ; preds = %1
  %6 = tail call i32 @pop(ptr noundef nonnull %0, i32 noundef 2)
  %7 = icmp ne i32 %6, 0
  %8 = zext i1 %7 to i32
  br label %9

9:                                                ; preds = %5, %1
  %10 = phi i32 [ 0, %1 ], [ %8, %5 ]
  ret i32 %10
}

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" }

!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, !8, i64 16}
!6 = !{!"JSON_parser_struct", !7, i64 0, !7, i64 8, !8, i64 16, !8, i64 17, !8, i64 18, !8, i64 19, !8, i64 20, !8, i64 21, !8, i64 22, !8, i64 23, !10, i64 24, !11, i64 32, !11, i64 40, !7, i64 48, !11, i64 56, !8, i64 64, !7, i64 72, !11, i64 80, !11, i64 88, !11, i64 96, !8, i64 104, !8, i64 232}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"short", !8, i64 0}
!11 = !{!"long", !8, i64 0}


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