; LLVM IR from AF-GRILL/DISPluginForUnreal :: Source/ThirdParty/include/dis6/AggregateMarking.ll (ZN3DIS16AggregateMarkingC2Ev)

; 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.DIS::AggregateMarking" = type { ptr, i8, [31 x i8] }

@_ZTVN3DIS16AggregateMarkingE = external dso_local unnamed_addr constant { [7 x ptr] }, align 8

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN3DIS16AggregateMarkingC2Ev(ptr noundef nonnull align 8 dereferenceable(40) %0) unnamed_addr #0 align 2 {
  %2 = alloca ptr, align 8
  %3 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  %4 = load ptr, ptr %2, align 8
  store ptr getelementptr inbounds inrange(-16, 40) ({ [7 x ptr] }, ptr @_ZTVN3DIS16AggregateMarkingE, i32 0, i32 0, i32 2), ptr %4, align 8, !tbaa !9
  %5 = getelementptr inbounds %"class.DIS::AggregateMarking", ptr %4, i32 0, i32 1
  store i8 0, ptr %5, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #2
  store i32 0, ptr %3, align 4, !tbaa !13
  br label %6

6:                                                ; preds = %15, %1
  %7 = load i32, ptr %3, align 4, !tbaa !13
  %8 = icmp slt i32 %7, 31
  br i1 %8, label %10, label %9

9:                                                ; preds = %6
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #2
  br label %18

10:                                               ; preds = %6
  %11 = getelementptr inbounds %"class.DIS::AggregateMarking", ptr %4, i32 0, i32 2
  %12 = load i32, ptr %3, align 4, !tbaa !13
  %13 = sext i32 %12 to i64
  %14 = getelementptr inbounds [31 x i8], ptr %11, i64 0, i64 %13
  store i8 0, ptr %14, align 1, !tbaa !15
  br label %15

15:                                               ; preds = %10
  %16 = load i32, ptr %3, align 4, !tbaa !13
  %17 = add nsw i32 %16, 1
  store i32 %17, ptr %3, align 4, !tbaa !13
  br label %6, !llvm.loop !16

18:                                               ; preds = %9
  ret void
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 = !{!"vtable pointer", !8, i64 0}
!11 = !{!12, !7, i64 8}
!12 = !{!"_ZTSN3DIS16AggregateMarkingE", !7, i64 8, !7, i64 9}
!13 = !{!14, !14, i64 0}
!14 = !{!"int", !7, i64 0}
!15 = !{!7, !7, i64 0}
!16 = distinct !{!16, !17}
!17 = !{!"llvm.loop.mustprogress"}


; 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"

@_ZTVN3DIS16AggregateMarkingE = external dso_local unnamed_addr constant { [7 x ptr] }, align 8

; Function Attrs: mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: write) uwtable
define dso_local void @_ZN3DIS16AggregateMarkingC2Ev(ptr nocapture noundef nonnull writeonly align 8 dereferenceable(40) %0) unnamed_addr #0 align 2 {
  store ptr getelementptr inbounds inrange(-16, 40) (i8, ptr @_ZTVN3DIS16AggregateMarkingE, i64 16), ptr %0, align 8, !tbaa !5
  %2 = getelementptr inbounds i8, ptr %0, i64 8
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(32) %2, i8 0, i64 32, i1 false)
  ret void
}

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #1

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

!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 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}


; Effective O3 passes: GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,LICMPass,LoopIdiomRecognizePass,LoopRotatePass,MemCpyOptPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass