; LLVM IR from indygreg/python-zstandard :: zstd (zstd)

; 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
declare hidden i32 @ERR_isError(i64 noundef) #0

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

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

; Function Attrs: nounwind uwtable
declare hidden i64 @ZSTD_compressBegin_internal(ptr noundef, ptr noundef, i64 noundef, i32 noundef, i32 noundef, ptr noundef, ptr noundef, i64 noundef, i32 noundef) #0

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

; Function Attrs: nounwind uwtable
define dso_local i64 @ZSTD_compress_advanced_internal(ptr noundef %0, ptr noundef %1, i64 noundef %2, ptr noundef %3, i64 noundef %4, ptr noundef %5, i64 noundef %6, ptr noundef %7) #0 {
  %9 = alloca i64, align 8
  %10 = alloca ptr, align 8
  %11 = alloca ptr, align 8
  %12 = alloca i64, align 8
  %13 = alloca ptr, align 8
  %14 = alloca i64, align 8
  %15 = alloca ptr, align 8
  %16 = alloca i64, align 8
  %17 = alloca ptr, align 8
  %18 = alloca i64, align 8
  %19 = alloca i32, align 4
  store ptr %0, ptr %10, align 8, !tbaa !5
  store ptr %1, ptr %11, align 8, !tbaa !5
  store i64 %2, ptr %12, align 8, !tbaa !9
  store ptr %3, ptr %13, align 8, !tbaa !5
  store i64 %4, ptr %14, align 8, !tbaa !9
  store ptr %5, ptr %15, align 8, !tbaa !5
  store i64 %6, ptr %16, align 8, !tbaa !9
  store ptr %7, ptr %17, align 8, !tbaa !5
  br label %20

20:                                               ; preds = %8
  br label %21

21:                                               ; preds = %20
  br label %22

22:                                               ; preds = %21
  call void @llvm.lifetime.start.p0(i64 8, ptr %18) #2
  %23 = load ptr, ptr %10, align 8, !tbaa !5
  %24 = load ptr, ptr %15, align 8, !tbaa !5
  %25 = load i64, ptr %16, align 8, !tbaa !9
  %26 = load ptr, ptr %17, align 8, !tbaa !5
  %27 = load i64, ptr %14, align 8, !tbaa !9
  %28 = call i64 @ZSTD_compressBegin_internal(ptr noundef %23, ptr noundef %24, i64 noundef %25, i32 noundef 0, i32 noundef 0, ptr noundef null, ptr noundef %26, i64 noundef %27, i32 noundef 0)
  store i64 %28, ptr %18, align 8, !tbaa !9
  %29 = load i64, ptr %18, align 8, !tbaa !9
  %30 = call i32 @ERR_isError(i64 noundef %29)
  %31 = icmp ne i32 %30, 0
  br i1 %31, label %32, label %46

32:                                               ; preds = %22
  br label %33

33:                                               ; preds = %32
  br label %34

34:                                               ; preds = %33
  br label %35

35:                                               ; preds = %34
  br label %36

36:                                               ; preds = %35
  br label %37

37:                                               ; preds = %36
  br label %38

38:                                               ; preds = %37
  br label %39

39:                                               ; preds = %38
  br label %40

40:                                               ; preds = %39
  br label %41

41:                                               ; preds = %40
  br label %42

42:                                               ; preds = %41
  br label %43

43:                                               ; preds = %42
  br label %44

44:                                               ; preds = %43
  %45 = load i64, ptr %18, align 8, !tbaa !9
  store i64 %45, ptr %9, align 8
  store i32 1, ptr %19, align 4
  br label %47

46:                                               ; preds = %22
  store i32 0, ptr %19, align 4
  br label %47

47:                                               ; preds = %46, %44
  call void @llvm.lifetime.end.p0(i64 8, ptr %18) #2
  %48 = load i32, ptr %19, align 4
  switch i32 %48, label %59 [
    i32 0, label %49
    i32 1, label %57
  ]

49:                                               ; preds = %47
  br label %50

50:                                               ; preds = %49
  %51 = load ptr, ptr %10, align 8, !tbaa !5
  %52 = load ptr, ptr %11, align 8, !tbaa !5
  %53 = load i64, ptr %12, align 8, !tbaa !9
  %54 = load ptr, ptr %13, align 8, !tbaa !5
  %55 = load i64, ptr %14, align 8, !tbaa !9
  %56 = call i64 @ZSTD_compressEnd_public(ptr noundef %51, ptr noundef %52, i64 noundef %53, ptr noundef %54, i64 noundef %55)
  store i64 %56, ptr %9, align 8
  br label %57

57:                                               ; preds = %50, %47
  %58 = load i64, ptr %9, align 8
  ret i64 %58

59:                                               ; preds = %47
  unreachable
}

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 = { 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}


; 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 @ERR_isError(i64 noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare hidden i64 @ZSTD_compressBegin_internal(ptr noundef, ptr noundef, i64 noundef, i32 noundef, i32 noundef, ptr noundef, ptr noundef, i64 noundef, i32 noundef) local_unnamed_addr #0

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

; Function Attrs: nounwind uwtable
define dso_local i64 @ZSTD_compress_advanced_internal(ptr noundef %0, ptr noundef %1, i64 noundef %2, ptr noundef %3, i64 noundef %4, ptr noundef %5, i64 noundef %6, ptr noundef %7) local_unnamed_addr #0 {
  %9 = tail call i64 @ZSTD_compressBegin_internal(ptr noundef %0, ptr noundef %5, i64 noundef %6, i32 noundef 0, i32 noundef 0, ptr noundef null, ptr noundef %7, i64 noundef %4, i32 noundef 0)
  %10 = tail call i32 @ERR_isError(i64 noundef %9)
  %.not.not = icmp eq i32 %10, 0
  br i1 %.not.not, label %11, label %13

11:                                               ; preds = %8
  %12 = tail call i64 @ZSTD_compressEnd_public(ptr noundef %0, ptr noundef %1, i64 noundef %2, ptr noundef %3, i64 noundef %4)
  br label %13

13:                                               ; preds = %8, %11
  %.1 = phi i64 [ %9, %8 ], [ %12, %11 ]
  ret i64 %.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" }

!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)"}


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