; LLVM IR from SSBMTonberry/pocketlzma :: ref_spec/lzma1900/CPP/Windows (PropVariant)

; 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.tagPROPVARIANT = type { i16, i16, i16, i16, %union.anon }
%union.anon = type { %struct._LARGE_INTEGER }
%struct._LARGE_INTEGER = type { i64 }

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZN8NWindows4NCOM18AllocBstrFromAsciiEPKc(ptr noundef) #0

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef i32 @_ZN8NWindows4NCOM17PropVarEm_Set_StrEP14tagPROPVARIANTPKc(ptr noundef %0, ptr noundef %1) #0 {
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  %6 = load ptr, ptr %5, align 8, !tbaa !5
  %7 = call noundef ptr @_ZN8NWindows4NCOM18AllocBstrFromAsciiEPKc(ptr noundef %6) #1
  %8 = load ptr, ptr %4, align 8, !tbaa !5
  %9 = getelementptr inbounds %struct.tagPROPVARIANT, ptr %8, i32 0, i32 4
  store ptr %7, ptr %9, align 8, !tbaa !9
  %10 = load ptr, ptr %4, align 8, !tbaa !5
  %11 = getelementptr inbounds %struct.tagPROPVARIANT, ptr %10, i32 0, i32 4
  %12 = load ptr, ptr %11, align 8, !tbaa !9
  %13 = icmp ne ptr %12, null
  br i1 %13, label %14, label %17

14:                                               ; preds = %2
  %15 = load ptr, ptr %4, align 8, !tbaa !5
  %16 = getelementptr inbounds %struct.tagPROPVARIANT, ptr %15, i32 0, i32 0
  store i16 8, ptr %16, align 8, !tbaa !10
  store i32 0, ptr %3, align 4
  br label %22

17:                                               ; preds = %2
  %18 = load ptr, ptr %4, align 8, !tbaa !5
  %19 = getelementptr inbounds %struct.tagPROPVARIANT, ptr %18, i32 0, i32 0
  store i16 10, ptr %19, align 8, !tbaa !10
  %20 = load ptr, ptr %4, align 8, !tbaa !5
  %21 = getelementptr inbounds %struct.tagPROPVARIANT, ptr %20, i32 0, i32 4
  store i32 -2147024882, ptr %21, align 8, !tbaa !9
  store i32 -2147024882, ptr %3, align 4
  br label %22

22:                                               ; preds = %17, %14
  %23 = load i32, ptr %3, align 4
  ret i32 %23
}

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 = { 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 = !{!7, !7, i64 0}
!10 = !{!11, !12, i64 0}
!11 = !{!"_ZTS14tagPROPVARIANT", !12, i64 0, !12, i64 2, !12, i64 4, !12, i64 6, !7, i64 8}
!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: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZN8NWindows4NCOM18AllocBstrFromAsciiEPKc(ptr noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef range(i32 -2147024882, 1) i32 @_ZN8NWindows4NCOM17PropVarEm_Set_StrEP14tagPROPVARIANTPKc(ptr nocapture noundef writeonly %0, ptr noundef %1) local_unnamed_addr #0 {
  %3 = tail call noundef ptr @_ZN8NWindows4NCOM18AllocBstrFromAsciiEPKc(ptr noundef %1) #1
  %4 = getelementptr inbounds i8, ptr %0, i64 8
  store ptr %3, ptr %4, align 8, !tbaa !5
  %.not = icmp eq ptr %3, null
  br i1 %.not, label %5, label %6

5:                                                ; preds = %2
  store i32 -2147024882, ptr %4, align 8, !tbaa !5
  br label %6

6:                                                ; preds = %2, %5
  %.sink = phi i16 [ 10, %5 ], [ 8, %2 ]
  %.0 = phi i32 [ -2147024882, %5 ], [ 0, %2 ]
  store i16 %.sink, ptr %0, align 8
  ret i32 %.0
}

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 = { 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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}


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