; LLVM IR from vczh/herodb :: Kernel/Source/Vlpp.ll (ZNK2vl14regex_internal9CharRangeneES1_)

; 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.vl::regex_internal::CharRange" = type { i32, i32 }

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef zeroext i1 @_ZNK2vl14regex_internal9CharRangeneES1_(ptr noundef nonnull align 4 dereferenceable(8) %0, i64 %1) #0 align 2 {
  %3 = alloca %"class.vl::regex_internal::CharRange", align 4
  %4 = alloca ptr, align 8
  store i64 %1, ptr %3, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  %5 = load ptr, ptr %4, align 8
  %6 = getelementptr inbounds %"class.vl::regex_internal::CharRange", ptr %5, i32 0, i32 0
  %7 = load i32, ptr %6, align 4, !tbaa !9
  %8 = getelementptr inbounds %"class.vl::regex_internal::CharRange", ptr %3, i32 0, i32 0
  %9 = load i32, ptr %8, align 4, !tbaa !9
  %10 = icmp ne i32 %7, %9
  br i1 %10, label %17, label %11

11:                                               ; preds = %2
  %12 = getelementptr inbounds %"class.vl::regex_internal::CharRange", ptr %3, i32 0, i32 1
  %13 = load i32, ptr %12, align 4, !tbaa !12
  %14 = getelementptr inbounds %"class.vl::regex_internal::CharRange", ptr %5, i32 0, i32 1
  %15 = load i32, ptr %14, align 4, !tbaa !12
  %16 = icmp ne i32 %13, %15
  br label %17

17:                                               ; preds = %11, %2
  %18 = phi i1 [ true, %2 ], [ %16, %11 ]
  ret i1 %18
}

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" }

!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, !11, i64 0}
!10 = !{!"_ZTSN2vl14regex_internal9CharRangeE", !11, i64 0, !11, i64 4}
!11 = !{!"wchar_t", !7, i64 0}
!12 = !{!10, !11, i64 4}


; 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 nofree norecurse nosync nounwind willreturn memory(argmem: read) uwtable
define dso_local noundef zeroext i1 @_ZNK2vl14regex_internal9CharRangeneES1_(ptr nocapture noundef nonnull readonly align 4 dereferenceable(8) %0, i64 %1) local_unnamed_addr #0 align 2 {
  %.sroa.0.0.extract.trunc = trunc i64 %1 to i32
  %3 = load i32, ptr %0, align 4, !tbaa !5
  %.not = icmp ne i32 %3, %.sroa.0.0.extract.trunc
  %.sroa.2.0.extract.shift = lshr i64 %1, 32
  %.sroa.2.0.extract.trunc = trunc nuw i64 %.sroa.2.0.extract.shift to i32
  %4 = getelementptr inbounds i8, ptr %0, i64 4
  %5 = load i32, ptr %4, align 4
  %6 = icmp ne i32 %5, %.sroa.2.0.extract.trunc
  %7 = select i1 %.not, i1 true, i1 %6
  ret i1 %7
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: read) 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" }

!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 = !{!"_ZTSN2vl14regex_internal9CharRangeE", !7, i64 0, !7, i64 4}
!7 = !{!"wchar_t", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}


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