; LLVM IR from jingweizhanghuai/Morn :: src/util (morn_codec)

; 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.MArray = type { i32, i16, %union.anon }
%union.anon = type { ptr }

@.str.1 = external hidden unnamed_addr constant [77 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [35 x i8], align 1
@__FUNCTION__.mornBase16Decode = external hidden unnamed_addr constant [17 x i8], align 1

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

declare ptr @m_Malloc(i32 noundef) #1

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #2

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

declare void @m_Free(ptr noundef) #1

declare void @ArrayRedefine(ptr noundef, i32 noundef, i32 noundef, ptr noundef) #1

declare void @m_Exception(i32 noundef, i32 noundef, ptr noundef, i32 noundef, ptr noundef, ptr noundef, ...) #1

; Function Attrs: nounwind uwtable
declare dso_local void @_Base16Decode(ptr noundef, i32 noundef, ptr noundef, ptr noundef) #3

; Function Attrs: nounwind uwtable
define dso_local void @mornBase16Decode(ptr noundef %0) #3 {
  %2 = alloca ptr, align 8
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #4
  %8 = load ptr, ptr %2, align 8, !tbaa !5
  %9 = getelementptr inbounds %struct.MArray, ptr %8, i32 0, i32 0
  %10 = load i32, ptr %9, align 8, !tbaa !9
  store i32 %10, ptr %3, align 4, !tbaa !13
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #4
  %11 = load i32, ptr %3, align 4, !tbaa !13
  %12 = call ptr @m_Malloc(i32 noundef %11)
  store ptr %12, ptr %4, align 8, !tbaa !5
  %13 = load ptr, ptr %4, align 8, !tbaa !5
  %14 = load ptr, ptr %2, align 8, !tbaa !5
  %15 = getelementptr inbounds %struct.MArray, ptr %14, i32 0, i32 2
  %16 = load ptr, ptr %15, align 8, !tbaa !14
  %17 = load i32, ptr %3, align 4, !tbaa !13
  %18 = sext i32 %17 to i64
  call void @llvm.memcpy.p0.p0.i64(ptr align 1 %13, ptr align 1 %16, i64 %18, i1 false)
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #4
  %19 = load i32, ptr %3, align 4, !tbaa !13
  %20 = sdiv i32 %19, 2
  %21 = add nsw i32 %20, 1
  store i32 %21, ptr %5, align 4, !tbaa !13
  br label %22

22:                                               ; preds = %1
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #4
  store i32 2, ptr %6, align 4, !tbaa !13
  %23 = load i32, ptr %6, align 4, !tbaa !13
  %24 = icmp eq i32 %23, 1
  br i1 %24, label %25, label %27

25:                                               ; preds = %22
  %26 = load ptr, ptr %2, align 8, !tbaa !5
  call void @ArrayRedefine(ptr noundef %26, i32 noundef 1, i32 noundef -1, ptr noundef null)
  br label %50

27:                                               ; preds = %22
  %28 = load i32, ptr %6, align 4, !tbaa !13
  %29 = icmp eq i32 %28, 2
  br i1 %29, label %30, label %33

30:                                               ; preds = %27
  %31 = load ptr, ptr %2, align 8, !tbaa !5
  %32 = load i32, ptr %5, align 4, !tbaa !13
  call void @ArrayRedefine(ptr noundef %31, i32 noundef 1, i32 noundef %32, ptr noundef null)
  br label %49

33:                                               ; preds = %27
  %34 = load i32, ptr %6, align 4, !tbaa !13
  %35 = icmp eq i32 %34, 3
  br i1 %35, label %36, label %39

36:                                               ; preds = %33
  %37 = load ptr, ptr %2, align 8, !tbaa !5
  %38 = load i32, ptr %5, align 4, !tbaa !13
  call void @ArrayRedefine(ptr noundef %37, i32 noundef 1, i32 noundef %38, ptr noundef inttoptr (i64 -1 to ptr))
  br label %48

39:                                               ; preds = %33
  br label %40

40:                                               ; preds = %39
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #4
  store i32 1, ptr %7, align 4, !tbaa !13
  %41 = load i32, ptr %7, align 4, !tbaa !13
  %42 = icmp ne i32 %41, 0
  br i1 %42, label %43, label %45

43:                                               ; preds = %40
  %44 = load i32, ptr %7, align 4, !tbaa !13
  call void (i32, i32, ptr, i32, ptr, ptr, ...) @m_Exception(i32 noundef %44, i32 noundef -1, ptr noundef @.str.1, i32 noundef 320, ptr noundef @__FUNCTION__.mornBase16Decode, ptr noundef @.str.2)
  br label %45

45:                                               ; preds = %43, %40
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #4
  br label %46

46:                                               ; preds = %45
  br label %47

47:                                               ; preds = %46
  br label %48

48:                                               ; preds = %47, %36
  br label %49

49:                                               ; preds = %48, %30
  br label %50

50:                                               ; preds = %49, %25
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #4
  br label %51

51:                                               ; preds = %50
  br label %52

52:                                               ; preds = %51
  %53 = load ptr, ptr %4, align 8, !tbaa !5
  %54 = load i32, ptr %3, align 4, !tbaa !13
  %55 = load ptr, ptr %2, align 8, !tbaa !5
  %56 = getelementptr inbounds %struct.MArray, ptr %55, i32 0, i32 2
  %57 = load ptr, ptr %56, align 8, !tbaa !14
  call void @_Base16Decode(ptr noundef %53, i32 noundef %54, ptr noundef %57, ptr noundef null)
  %58 = load ptr, ptr %4, align 8, !tbaa !5
  call void @m_Free(ptr noundef %58)
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #4
  ret void
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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 #4 = { 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, !11, i64 0}
!10 = !{!"MArray", !11, i64 0, !12, i64 4, !7, i64 8}
!11 = !{!"int", !7, i64 0}
!12 = !{!"short", !7, i64 0}
!13 = !{!11, !11, i64 0}
!14 = !{!7, !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"

declare ptr @m_Malloc(i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #1

declare void @m_Free(ptr noundef) local_unnamed_addr #0

declare void @ArrayRedefine(ptr noundef, i32 noundef, i32 noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare dso_local void @_Base16Decode(ptr noundef, i32 noundef, ptr noundef, ptr noundef) local_unnamed_addr #2

; Function Attrs: nounwind uwtable
define dso_local void @mornBase16Decode(ptr noundef %0) local_unnamed_addr #2 {
  %2 = load i32, ptr %0, align 8, !tbaa !5
  %3 = tail call ptr @m_Malloc(i32 noundef %2) #3
  %4 = getelementptr inbounds i8, ptr %0, i64 8
  %5 = load ptr, ptr %4, align 8, !tbaa !11
  %6 = sext i32 %2 to i64
  tail call void @llvm.memcpy.p0.p0.i64(ptr align 1 %3, ptr align 1 %5, i64 %6, i1 false)
  %7 = sdiv i32 %2, 2
  %8 = add nsw i32 %7, 1
  tail call void @ArrayRedefine(ptr noundef nonnull %0, i32 noundef 1, i32 noundef %8, ptr noundef null) #3
  %9 = load ptr, ptr %4, align 8, !tbaa !11
  tail call void @_Base16Decode(ptr noundef %3, i32 noundef %2, ptr noundef %9, ptr noundef null)
  tail call void @m_Free(ptr noundef %3) #3
  ret void
}

attributes #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 nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #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, !7, i64 0}
!6 = !{!"MArray", !7, i64 0, !10, i64 4, !8, i64 8}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"short", !8, i64 0}
!11 = !{!8, !8, i64 0}


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