; LLVM IR from ionescu007/minlzma :: minlzlib (lzma2dec)

; 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
define dso_local zeroext i1 @Lz2DecodeChunk(ptr noundef %0, i32 noundef %1, i16 noundef zeroext %2) #0 {
  %4 = alloca i1, align 1
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i16, align 2
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  store ptr %0, ptr %5, align 8, !tbaa !5
  store i32 %1, ptr %6, align 4, !tbaa !9
  store i16 %2, ptr %7, align 2, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #3
  %10 = call zeroext i1 @LzDecode()
  br i1 %10, label %12, label %11

11:                                               ; preds = %3
  store i1 false, ptr %4, align 1
  store i32 1, ptr %9, align 4
  br label %32

12:                                               ; preds = %3
  %13 = call zeroext i1 @RcIsComplete(ptr noundef %8)
  br i1 %13, label %14, label %19

14:                                               ; preds = %12
  %15 = load i32, ptr %8, align 4, !tbaa !9
  %16 = load i16, ptr %7, align 2, !tbaa !11
  %17 = zext i16 %16 to i32
  %18 = icmp ne i32 %15, %17
  br i1 %18, label %19, label %20

19:                                               ; preds = %14, %12
  store i1 false, ptr %4, align 1
  store i32 1, ptr %9, align 4
  br label %32

20:                                               ; preds = %14
  %21 = call zeroext i1 @DtIsComplete(ptr noundef %8)
  br i1 %21, label %22, label %26

22:                                               ; preds = %20
  %23 = load i32, ptr %8, align 4, !tbaa !9
  %24 = load i32, ptr %6, align 4, !tbaa !9
  %25 = icmp ne i32 %23, %24
  br i1 %25, label %26, label %27

26:                                               ; preds = %22, %20
  store i1 false, ptr %4, align 1
  store i32 1, ptr %9, align 4
  br label %32

27:                                               ; preds = %22
  %28 = load i32, ptr %8, align 4, !tbaa !9
  %29 = load ptr, ptr %5, align 8, !tbaa !5
  %30 = load i32, ptr %29, align 4, !tbaa !9
  %31 = add i32 %30, %28
  store i32 %31, ptr %29, align 4, !tbaa !9
  store i1 true, ptr %4, align 1
  store i32 1, ptr %9, align 4
  br label %32

32:                                               ; preds = %27, %26, %19, %11
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #3
  %33 = load i1, ptr %4, align 1
  ret i1 %33
}

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

declare zeroext i1 @LzDecode() #2

declare zeroext i1 @RcIsComplete(ptr noundef) #2

declare zeroext i1 @DtIsComplete(ptr noundef) #2

; 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 = { 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, !12, i64 0}
!12 = !{!"short", !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 noundef zeroext i1 @Lz2DecodeChunk(ptr nocapture noundef %0, i32 noundef %1, i16 noundef zeroext %2) local_unnamed_addr #0 {
  %4 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #3
  %5 = tail call zeroext i1 @LzDecode() #3
  br i1 %5, label %6, label %17

6:                                                ; preds = %3
  %7 = call zeroext i1 @RcIsComplete(ptr noundef nonnull %4) #3
  br i1 %7, label %8, label %17

8:                                                ; preds = %6
  %9 = load i32, ptr %4, align 4, !tbaa !5
  %10 = zext i16 %2 to i32
  %.not = icmp eq i32 %9, %10
  br i1 %.not, label %11, label %17

11:                                               ; preds = %8
  %12 = call zeroext i1 @DtIsComplete(ptr noundef nonnull %4) #3
  %13 = load i32, ptr %4, align 4
  %.not4 = icmp eq i32 %13, %1
  %or.cond = select i1 %12, i1 %.not4, i1 false
  br i1 %or.cond, label %14, label %17

14:                                               ; preds = %11
  %15 = load i32, ptr %0, align 4, !tbaa !5
  %16 = add i32 %15, %1
  store i32 %16, ptr %0, align 4, !tbaa !5
  br label %17

17:                                               ; preds = %11, %6, %8, %3, %14
  %.0 = phi i1 [ true, %14 ], [ false, %3 ], [ false, %8 ], [ false, %6 ], [ false, %11 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #3
  ret i1 %.0
}

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

declare zeroext i1 @LzDecode() local_unnamed_addr #2

declare zeroext i1 @RcIsComplete(ptr noundef) local_unnamed_addr #2

declare zeroext i1 @DtIsComplete(ptr noundef) local_unnamed_addr #2

; Function Attrs: mustprogress 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 = { mustprogress 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 = { 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"}


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