; LLVM IR from mncoppola/rpef :: utilities_src/squashfs2.1/lzma/C/Common (CommandLineParser)

; 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.NCommandLineParser::CParser" = type { i32, ptr, %class.CObjectVector }
%class.CObjectVector = type { %class.CRecordVector }
%class.CRecordVector = type { %class.CBaseRecordVector }
%class.CBaseRecordVector = type { ptr, i32, i32, ptr, i64 }
%"struct.NCommandLineParser::CSwitchResult" = type <{ i8, i8, [6 x i8], %class.CObjectVector, i32, [4 x i8] }>

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN18NCommandLineParser13CSwitchResultD2Ev(ptr noundef nonnull align 8 dereferenceable(44)) unnamed_addr #0 align 2

; Function Attrs: nobuiltin nounwind
declare void @_ZdaPvm(ptr noundef, i64 noundef) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN13CObjectVectorI11CStringBaseIwEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN18NCommandLineParser7CParserD2Ev(ptr noundef nonnull align 8 dereferenceable(48) %0) unnamed_addr #2 align 2 {
  %2 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %3 = load ptr, ptr %2, align 8
  %4 = getelementptr inbounds %"class.NCommandLineParser::CParser", ptr %3, i32 0, i32 1
  %5 = load ptr, ptr %4, align 8, !tbaa !9
  %6 = icmp eq ptr %5, null
  br i1 %6, label %19, label %7

7:                                                ; preds = %1
  %8 = getelementptr inbounds i8, ptr %5, i64 -8
  %9 = load i64, ptr %8, align 8
  %10 = getelementptr inbounds %"struct.NCommandLineParser::CSwitchResult", ptr %5, i64 %9
  %11 = icmp eq ptr %5, %10
  br i1 %11, label %16, label %12

12:                                               ; preds = %12, %7
  %13 = phi ptr [ %10, %7 ], [ %14, %12 ]
  %14 = getelementptr inbounds %"struct.NCommandLineParser::CSwitchResult", ptr %13, i64 -1
  call void @_ZN18NCommandLineParser13CSwitchResultD2Ev(ptr noundef nonnull align 8 dereferenceable(44) %14) #3
  %15 = icmp eq ptr %14, %5
  br i1 %15, label %16, label %12

16:                                               ; preds = %12, %7
  %17 = mul i64 48, %9
  %18 = add i64 %17, 8
  call void @_ZdaPvm(ptr noundef %8, i64 noundef %18) #4
  br label %19

19:                                               ; preds = %16, %1
  %20 = getelementptr inbounds %"class.NCommandLineParser::CParser", ptr %3, i32 0, i32 2
  call void @_ZN13CObjectVectorI11CStringBaseIwEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %20) #3
  ret void
}

attributes #0 = { inlinehint 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 = { nobuiltin nounwind "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 = { 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 #3 = { nounwind }
attributes #4 = { builtin 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, !6, i64 8}
!10 = !{!"_ZTSN18NCommandLineParser7CParserE", !11, i64 0, !6, i64 8, !12, i64 16}
!11 = !{!"int", !7, i64 0}
!12 = !{!"_ZTS13CObjectVectorI11CStringBaseIwEE", !13, i64 0}
!13 = !{!"_ZTS13CRecordVectorIPvE", !14, i64 0}
!14 = !{!"_ZTS17CBaseRecordVector", !11, i64 8, !11, i64 12, !6, i64 16, !15, i64 24}
!15 = !{!"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"

%"struct.NCommandLineParser::CSwitchResult" = type <{ i8, i8, [6 x i8], %class.CObjectVector, i32, [4 x i8] }>
%class.CObjectVector = type { %class.CRecordVector }
%class.CRecordVector = type { %class.CBaseRecordVector }
%class.CBaseRecordVector = type { ptr, i32, i32, ptr, i64 }

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN18NCommandLineParser13CSwitchResultD2Ev(ptr noundef nonnull align 8 dereferenceable(44)) unnamed_addr #0 align 2

; Function Attrs: nobuiltin nounwind
declare void @_ZdaPvm(ptr noundef, i64 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN13CObjectVectorI11CStringBaseIwEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN18NCommandLineParser7CParserD2Ev(ptr noundef nonnull align 8 dereferenceable(48) %0) unnamed_addr #2 align 2 {
  %2 = getelementptr inbounds i8, ptr %0, i64 8
  %3 = load ptr, ptr %2, align 8, !tbaa !5
  %4 = icmp eq ptr %3, null
  br i1 %4, label %15, label %5

5:                                                ; preds = %1
  %6 = getelementptr inbounds i8, ptr %3, i64 -8
  %7 = load i64, ptr %6, align 8
  %8 = icmp eq i64 %7, 0
  br i1 %8, label %.loopexit, label %.preheader.preheader

.preheader.preheader:                             ; preds = %5
  %9 = getelementptr inbounds %"struct.NCommandLineParser::CSwitchResult", ptr %3, i64 %7
  br label %.preheader

.preheader:                                       ; preds = %.preheader.preheader, %.preheader
  %10 = phi ptr [ %11, %.preheader ], [ %9, %.preheader.preheader ]
  %11 = getelementptr inbounds i8, ptr %10, i64 -48
  tail call void @_ZN18NCommandLineParser13CSwitchResultD2Ev(ptr noundef nonnull align 8 dereferenceable(44) %11) #3
  %12 = icmp eq ptr %11, %3
  br i1 %12, label %.loopexit, label %.preheader

.loopexit:                                        ; preds = %.preheader, %5
  %13 = mul i64 %7, 48
  %14 = or disjoint i64 %13, 8
  tail call void @_ZdaPvm(ptr noundef nonnull %6, i64 noundef %14) #4
  br label %15

15:                                               ; preds = %.loopexit, %1
  %16 = getelementptr inbounds i8, ptr %0, i64 16
  tail call void @_ZN13CObjectVectorI11CStringBaseIwEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %16) #3
  ret void
}

attributes #0 = { inlinehint 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 = { nobuiltin nounwind "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 = { 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 #3 = { nounwind }
attributes #4 = { builtin 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, !10, i64 8}
!6 = !{!"_ZTSN18NCommandLineParser7CParserE", !7, i64 0, !10, i64 8, !11, i64 16}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}
!11 = !{!"_ZTS13CObjectVectorI11CStringBaseIwEE", !12, i64 0}
!12 = !{!"_ZTS13CRecordVectorIPvE", !13, i64 0}
!13 = !{!"_ZTS17CBaseRecordVector", !7, i64 8, !7, i64 12, !10, i64 16, !14, i64 24}
!14 = !{!"long", !8, i64 0}


; Effective O3 passes: CorrelatedValuePropagationPass,GlobalOptPass,InstCombinePass,JumpThreadingPass,LoopSimplifyPass,LoopUnrollPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass