; LLVM IR from kala13x/libxutils :: src/sys (xfs)

; 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.XByteBuffer = type { ptr, i64, i64, i16, i16, i32 }

; 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 dso_local ptr @XPath_LoadSize(ptr noundef, i64 noundef, ptr noundef) #1

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

; Function Attrs: nounwind uwtable
define dso_local i64 @XPath_LoadBufferSize(ptr noundef %0, ptr noundef %1, i64 noundef %2) #1 {
  %4 = alloca i64, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i64, align 8
  %8 = alloca i64, align 8
  %9 = alloca ptr, align 8
  store ptr %0, ptr %5, align 8, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !5
  store i64 %2, ptr %7, align 8, !tbaa !9
  %10 = load ptr, ptr %5, align 8, !tbaa !5
  %11 = icmp eq ptr %10, null
  br i1 %11, label %15, label %12

12:                                               ; preds = %3
  %13 = load ptr, ptr %6, align 8, !tbaa !5
  %14 = icmp eq ptr %13, null
  br i1 %14, label %15, label %16

15:                                               ; preds = %12, %3
  store i64 0, ptr %4, align 8
  br label %37

16:                                               ; preds = %12
  %17 = load ptr, ptr %6, align 8, !tbaa !5
  %18 = call i32 @XByteBuffer_Init(ptr noundef %17, i64 noundef 0, i32 noundef 0)
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #3
  store i64 0, ptr %8, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #3
  %19 = load ptr, ptr %5, align 8, !tbaa !5
  %20 = load i64, ptr %7, align 8, !tbaa !9
  %21 = call ptr @XPath_LoadSize(ptr noundef %19, i64 noundef %20, ptr noundef %8)
  store ptr %21, ptr %9, align 8, !tbaa !5
  %22 = load ptr, ptr %9, align 8, !tbaa !5
  %23 = icmp ne ptr %22, null
  br i1 %23, label %24, label %35

24:                                               ; preds = %16
  %25 = load i64, ptr %8, align 8, !tbaa !9
  %26 = add i64 %25, 1
  %27 = load ptr, ptr %6, align 8, !tbaa !5
  %28 = getelementptr inbounds %struct.XByteBuffer, ptr %27, i32 0, i32 1
  store i64 %26, ptr %28, align 8, !tbaa !11
  %29 = load i64, ptr %8, align 8, !tbaa !9
  %30 = load ptr, ptr %6, align 8, !tbaa !5
  %31 = getelementptr inbounds %struct.XByteBuffer, ptr %30, i32 0, i32 2
  store i64 %29, ptr %31, align 8, !tbaa !15
  %32 = load ptr, ptr %9, align 8, !tbaa !5
  %33 = load ptr, ptr %6, align 8, !tbaa !5
  %34 = getelementptr inbounds %struct.XByteBuffer, ptr %33, i32 0, i32 0
  store ptr %32, ptr %34, align 8, !tbaa !16
  br label %35

35:                                               ; preds = %24, %16
  %36 = load i64, ptr %8, align 8, !tbaa !9
  store i64 %36, ptr %4, align 8
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #3
  br label %37

37:                                               ; preds = %35, %15
  %38 = load i64, ptr %4, align 8
  ret i64 %38
}

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 = { "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 }

!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 = !{!"long", !7, i64 0}
!11 = !{!12, !10, i64 8}
!12 = !{!"XByteBuffer", !6, i64 0, !10, i64 8, !10, i64 16, !13, i64 24, !13, i64 26, !14, i64 28}
!13 = !{!"short", !7, i64 0}
!14 = !{!"int", !7, i64 0}
!15 = !{!12, !10, i64 16}
!16 = !{!12, !6, 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 nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

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

; Function Attrs: nounwind uwtable
declare dso_local ptr @XPath_LoadSize(ptr noundef, i64 noundef, ptr noundef) local_unnamed_addr #1

declare i32 @XByteBuffer_Init(ptr noundef, i64 noundef, i32 noundef) local_unnamed_addr #2

; Function Attrs: nounwind uwtable
define dso_local i64 @XPath_LoadBufferSize(ptr noundef %0, ptr noundef %1, i64 noundef %2) local_unnamed_addr #1 {
  %4 = alloca i64, align 8
  %5 = icmp eq ptr %0, null
  %6 = icmp eq ptr %1, null
  %or.cond = or i1 %5, %6
  br i1 %or.cond, label %15, label %7

7:                                                ; preds = %3
  %8 = tail call i32 @XByteBuffer_Init(ptr noundef nonnull %1, i64 noundef 0, i32 noundef 0) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #3
  store i64 0, ptr %4, align 8, !tbaa !5
  %9 = call ptr @XPath_LoadSize(ptr noundef nonnull %0, i64 noundef %2, ptr noundef nonnull %4)
  %.not = icmp eq ptr %9, null
  %.pre = load i64, ptr %4, align 8, !tbaa !5
  br i1 %.not, label %14, label %10

10:                                               ; preds = %7
  %11 = add i64 %.pre, 1
  %12 = getelementptr inbounds i8, ptr %1, i64 8
  store i64 %11, ptr %12, align 8, !tbaa !9
  %13 = getelementptr inbounds i8, ptr %1, i64 16
  store i64 %.pre, ptr %13, align 8, !tbaa !14
  store ptr %9, ptr %1, align 8, !tbaa !15
  br label %14

14:                                               ; preds = %10, %7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #3
  br label %15

15:                                               ; preds = %3, %14
  %.0 = phi i64 [ %.pre, %14 ], [ 0, %3 ]
  ret i64 %.0
}

attributes #0 = { mustprogress 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 = { "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 }

!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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !6, i64 8}
!10 = !{!"XByteBuffer", !11, i64 0, !6, i64 8, !6, i64 16, !12, i64 24, !12, i64 26, !13, i64 28}
!11 = !{!"any pointer", !7, i64 0}
!12 = !{!"short", !7, i64 0}
!13 = !{!"int", !7, i64 0}
!14 = !{!10, !6, i64 16}
!15 = !{!10, !11, i64 0}


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