; LLVM IR from SSBMTonberry/pocketlzma :: ref_spec/lzma1900/CPP/Common/StringConvert.ll (Z24UnicodeStringToMultiByteRK7UStringjcRb)

; 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"

%class.AString = type { ptr, i32, i32 }

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN7AStringD2Ev(ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare hidden void @_ZL25UnicodeStringToMultiByte2R7AStringRK7UStringjcRb(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(16), i32 noundef, i8 noundef signext, ptr noundef nonnull align 1 dereferenceable(1)) #1

; Function Attrs: mustprogress uwtable
define dso_local void @_Z24UnicodeStringToMultiByteRK7UStringjcRb(ptr dead_on_unwind noalias writable sret(%class.AString) align 8 %0, ptr noundef nonnull align 8 dereferenceable(16) %1, i32 noundef %2, i8 noundef signext %3, ptr noundef nonnull align 1 dereferenceable(1) %4) #1 personality ptr @__gxx_personality_v0 {
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = alloca i8, align 1
  %10 = alloca ptr, align 8
  %11 = alloca i1, align 1
  %12 = alloca ptr, align 8
  %13 = alloca i32, align 4
  store ptr %0, ptr %6, align 8
  store ptr %1, ptr %7, align 8, !tbaa !5
  store i32 %2, ptr %8, align 4, !tbaa !9
  store i8 %3, ptr %9, align 1, !tbaa !11
  store ptr %4, ptr %10, align 8, !tbaa !5
  store i1 false, ptr %11, align 1
  call void @_ZN7AStringC1Ev(ptr noundef nonnull align 8 dereferenceable(16) %0)
  %14 = load ptr, ptr %7, align 8, !tbaa !5
  %15 = load i32, ptr %8, align 4, !tbaa !9
  %16 = load i8, ptr %9, align 1, !tbaa !11
  %17 = load ptr, ptr %10, align 8, !tbaa !5
  invoke void @_ZL25UnicodeStringToMultiByte2R7AStringRK7UStringjcRb(ptr noundef nonnull align 8 dereferenceable(16) %0, ptr noundef nonnull align 8 dereferenceable(16) %14, i32 noundef %15, i8 noundef signext %16, ptr noundef nonnull align 1 dereferenceable(1) %17)
          to label %18 unwind label %20

18:                                               ; preds = %5
  store i1 true, ptr %11, align 1
  %19 = load i1, ptr %11, align 1
  br i1 %19, label %25, label %24

20:                                               ; preds = %5
  %21 = landingpad { ptr, i32 }
          cleanup
  %22 = extractvalue { ptr, i32 } %21, 0
  store ptr %22, ptr %12, align 8
  %23 = extractvalue { ptr, i32 } %21, 1
  store i32 %23, ptr %13, align 4
  call void @_ZN7AStringD2Ev(ptr noundef nonnull align 8 dereferenceable(16) %0) #3
  br label %26

24:                                               ; preds = %18
  call void @_ZN7AStringD2Ev(ptr noundef nonnull align 8 dereferenceable(16) %0) #3
  br label %25

25:                                               ; preds = %24, %18
  ret void

26:                                               ; preds = %20
  %27 = load ptr, ptr %12, align 8
  %28 = load i32, ptr %13, align 4
  %29 = insertvalue { ptr, i32 } poison, ptr %27, 0
  %30 = insertvalue { ptr, i32 } %29, i32 %28, 1
  resume { ptr, i32 } %30
}

declare void @_ZN7AStringC1Ev(ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #2

attributes #0 = { mustprogress 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 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++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!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"

%class.AString = type { ptr, i32, i32 }

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN7AStringD2Ev(ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare hidden void @_ZL25UnicodeStringToMultiByte2R7AStringRK7UStringjcRb(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(16), i32 noundef, i8 noundef signext, ptr noundef nonnull align 1 dereferenceable(1)) local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
define dso_local void @_Z24UnicodeStringToMultiByteRK7UStringjcRb(ptr dead_on_unwind noalias nonnull writable sret(%class.AString) align 8 %0, ptr noundef nonnull align 8 dereferenceable(16) %1, i32 noundef %2, i8 noundef signext %3, ptr noundef nonnull align 1 dereferenceable(1) %4) local_unnamed_addr #1 personality ptr @__gxx_personality_v0 {
  tail call void @_ZN7AStringC1Ev(ptr noundef nonnull align 8 dereferenceable(16) %0)
  invoke void @_ZL25UnicodeStringToMultiByte2R7AStringRK7UStringjcRb(ptr noundef nonnull align 8 dereferenceable(16) %0, ptr noundef nonnull align 8 dereferenceable(16) %1, i32 noundef %2, i8 noundef signext %3, ptr noundef nonnull align 1 dereferenceable(1) %4)
          to label %8 unwind label %6

6:                                                ; preds = %5
  %7 = landingpad { ptr, i32 }
          cleanup
  tail call void @_ZN7AStringD2Ev(ptr noundef nonnull align 8 dereferenceable(16) %0) #3
  resume { ptr, i32 } %7

8:                                                ; preds = %5
  ret void
}

declare void @_ZN7AStringC1Ev(ptr noundef nonnull align 8 dereferenceable(16)) unnamed_addr #2

attributes #0 = { mustprogress 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 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)"}


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