; LLVM IR from QiaoLiuHit/LSOTB-TIR :: vlfeat-0.9.19/vl (lbp)

; 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.VlLbp_ = type { i64, [256 x i8], i32 }

; Function Attrs: nounwind uwtable
define dso_local ptr @vl_lbp_new(i32 noundef %0, i32 noundef %1) #0 {
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  store i32 %0, ptr %4, align 4, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #4
  %8 = call ptr @vl_malloc(i64 noundef 272)
  store ptr %8, ptr %6, align 8, !tbaa !9
  %9 = load ptr, ptr %6, align 8, !tbaa !9
  %10 = icmp eq ptr %9, null
  br i1 %10, label %11, label %13

11:                                               ; preds = %2
  %12 = call i32 (i32, ptr, ...) @vl_set_last_error(i32 noundef 2, ptr noundef null)
  store ptr null, ptr %3, align 8
  store i32 1, ptr %7, align 4
  br label %23

13:                                               ; preds = %2
  %14 = load i32, ptr %5, align 4, !tbaa !5
  %15 = load ptr, ptr %6, align 8, !tbaa !9
  %16 = getelementptr inbounds %struct.VlLbp_, ptr %15, i32 0, i32 2
  store i32 %14, ptr %16, align 8, !tbaa !11
  %17 = load i32, ptr %4, align 4, !tbaa !5
  switch i32 %17, label %20 [
    i32 0, label %18
  ]

18:                                               ; preds = %13
  %19 = load ptr, ptr %6, align 8, !tbaa !9
  call void @_vl_lbp_init_uniform(ptr noundef %19)
  br label %21

20:                                               ; preds = %13
  call void @exit(i32 noundef 1) #5
  unreachable

21:                                               ; preds = %18
  %22 = load ptr, ptr %6, align 8, !tbaa !9
  store ptr %22, ptr %3, align 8
  store i32 1, ptr %7, align 4
  br label %23

23:                                               ; preds = %21, %11
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #4
  %24 = load ptr, ptr %3, align 8
  ret ptr %24
}

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

declare ptr @vl_malloc(i64 noundef) #2

declare i32 @vl_set_last_error(i32 noundef, ptr noundef, ...) #2

; Function Attrs: nounwind uwtable
declare hidden void @_vl_lbp_init_uniform(ptr noundef) #0

; Function Attrs: noreturn nounwind
declare void @exit(i32 noundef) #3

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

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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { noreturn 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 }
attributes #5 = { noreturn 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 = !{!"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 = !{!12, !6, i64 264}
!12 = !{!"VlLbp_", !13, i64 0, !7, i64 8, !6, i64 264}
!13 = !{!"long long", !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
define dso_local ptr @vl_lbp_new(i32 noundef %0, i32 noundef %1) local_unnamed_addr #0 {
  %3 = tail call ptr @vl_malloc(i64 noundef 272) #3
  %4 = icmp eq ptr %3, null
  br i1 %4, label %5, label %7

5:                                                ; preds = %2
  %6 = tail call i32 (i32, ptr, ...) @vl_set_last_error(i32 noundef 2, ptr noundef null) #3
  br label %11

7:                                                ; preds = %2
  %8 = getelementptr inbounds i8, ptr %3, i64 264
  store i32 %1, ptr %8, align 8, !tbaa !5
  %cond = icmp eq i32 %0, 0
  br i1 %cond, label %9, label %10

9:                                                ; preds = %7
  tail call void @_vl_lbp_init_uniform(ptr noundef nonnull %3)
  br label %11

10:                                               ; preds = %7
  tail call void @exit(i32 noundef 1) #4
  unreachable

11:                                               ; preds = %9, %5
  ret ptr %3
}

declare ptr @vl_malloc(i64 noundef) local_unnamed_addr #1

declare i32 @vl_set_last_error(i32 noundef, ptr noundef, ...) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
declare hidden void @_vl_lbp_init_uniform(ptr noundef) local_unnamed_addr #0

; Function Attrs: noreturn nounwind
declare void @exit(i32 noundef) local_unnamed_addr #2

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 = { "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 = { noreturn 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 #3 = { nounwind }
attributes #4 = { noreturn 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, !10, i64 264}
!6 = !{!"VlLbp_", !7, i64 0, !8, i64 8, !10, i64 264}
!7 = !{!"long long", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"int", !8, i64 0}


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