; LLVM IR from gigimushroom/DatabaseBackendEngine :: src/catalog/column.ll (ZN5cmudb6Column9SetLengthEi)

; 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.cmudb::Column" = type { i32, i32, i32, %"class.std::__cxx11::basic_string", i8, i32 }
%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN5cmudb6Column9SetLengthEi(ptr noundef nonnull align 8 dereferenceable(56) %0, i32 noundef %1) #0 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i32 %1, ptr %4, align 4, !tbaa !9
  %5 = load ptr, ptr %3, align 8
  %6 = getelementptr inbounds %"class.cmudb::Column", ptr %5, i32 0, i32 4
  %7 = load i8, ptr %6, align 8, !tbaa !11, !range !18, !noundef !19
  %8 = trunc i8 %7 to i1
  br i1 %8, label %9, label %13

9:                                                ; preds = %2
  %10 = load i32, ptr %4, align 4, !tbaa !9
  %11 = getelementptr inbounds %"class.cmudb::Column", ptr %5, i32 0, i32 1
  store i32 %10, ptr %11, align 4, !tbaa !20
  %12 = getelementptr inbounds %"class.cmudb::Column", ptr %5, i32 0, i32 2
  store i32 0, ptr %12, align 8, !tbaa !21
  br label %17

13:                                               ; preds = %2
  %14 = getelementptr inbounds %"class.cmudb::Column", ptr %5, i32 0, i32 1
  store i32 4, ptr %14, align 4, !tbaa !20
  %15 = load i32, ptr %4, align 4, !tbaa !9
  %16 = getelementptr inbounds %"class.cmudb::Column", ptr %5, i32 0, i32 2
  store i32 %15, ptr %16, align 8, !tbaa !21
  br label %17

17:                                               ; preds = %13, %9
  ret void
}

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, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !17, i64 48}
!12 = !{!"_ZTSN5cmudb6ColumnE", !13, i64 0, !10, i64 4, !10, i64 8, !14, i64 16, !17, i64 48, !10, i64 52}
!13 = !{!"_ZTSN5cmudb6TypeIdE", !7, i64 0}
!14 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE", !15, i64 0, !16, i64 8, !7, i64 16}
!15 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_Alloc_hiderE", !6, i64 0}
!16 = !{!"long", !7, i64 0}
!17 = !{!"bool", !7, i64 0}
!18 = !{i8 0, i8 2}
!19 = !{}
!20 = !{!12, !10, i64 4}
!21 = !{!12, !10, i64 8}


; 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: readwrite) uwtable
define dso_local void @_ZN5cmudb6Column9SetLengthEi(ptr nocapture noundef nonnull align 8 dereferenceable(56) %0, i32 noundef %1) local_unnamed_addr #0 align 2 {
  %3 = getelementptr inbounds i8, ptr %0, i64 48
  %4 = load i8, ptr %3, align 8, !tbaa !5, !range !16, !noundef !17
  %5 = trunc nuw i8 %4 to i1
  %spec.select = select i1 %5, i32 %1, i32 4
  %spec.select3 = select i1 %5, i32 0, i32 %1
  %6 = getelementptr inbounds i8, ptr %0, i64 4
  store i32 %spec.select, ptr %6, align 4
  %7 = getelementptr inbounds i8, ptr %0, i64 8
  store i32 %spec.select3, ptr %7, align 8
  ret void
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: readwrite) 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, !15, i64 48}
!6 = !{!"_ZTSN5cmudb6ColumnE", !7, i64 0, !10, i64 4, !10, i64 8, !11, i64 16, !15, i64 48, !10, i64 52}
!7 = !{!"_ZTSN5cmudb6TypeIdE", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"int", !8, i64 0}
!11 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE", !12, i64 0, !14, i64 8, !8, i64 16}
!12 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_Alloc_hiderE", !13, i64 0}
!13 = !{!"any pointer", !8, i64 0}
!14 = !{!"long", !8, i64 0}
!15 = !{!"bool", !8, i64 0}
!16 = !{i8 0, i8 2}
!17 = !{}


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