; LLVM IR from AF-GRILL/DISPluginForUnreal :: Source/ThirdParty/include/dis6 (EightByteChunk)

; 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::EightByteChunk" = type { ptr, [8 x i8] }

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN3DIS14EightByteChunk9unmarshalERNS_10DataStreamE(ptr noundef nonnull align 8 dereferenceable(16) %0, ptr noundef nonnull align 8 dereferenceable(48) %1) unnamed_addr #1 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i64, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %6 = load ptr, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #3
  store i64 0, ptr %5, align 8, !tbaa !9
  br label %7

7:                                                ; preds = %17, %2
  %8 = load i64, ptr %5, align 8, !tbaa !9
  %9 = icmp ult i64 %8, 8
  br i1 %9, label %11, label %10

10:                                               ; preds = %7
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #3
  br label %20

11:                                               ; preds = %7
  %12 = load ptr, ptr %4, align 8, !tbaa !5
  %13 = getelementptr inbounds %"class.DIS::EightByteChunk", ptr %6, i32 0, i32 1
  %14 = load i64, ptr %5, align 8, !tbaa !9
  %15 = getelementptr inbounds [8 x i8], ptr %13, i64 0, i64 %14
  %16 = call noundef nonnull align 8 dereferenceable(48) ptr @_ZN3DIS10DataStreamrsERc(ptr noundef nonnull align 8 dereferenceable(48) %12, ptr noundef nonnull align 1 dereferenceable(1) %15)
  br label %17

17:                                               ; preds = %11
  %18 = load i64, ptr %5, align 8, !tbaa !9
  %19 = add i64 %18, 1
  store i64 %19, ptr %5, align 8, !tbaa !9
  br label %7, !llvm.loop !11

20:                                               ; preds = %10
  ret void
}

declare noundef nonnull align 8 dereferenceable(48) ptr @_ZN3DIS10DataStreamrsERc(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 1 dereferenceable(1)) #2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress 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 #2 = { "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 }

!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 = !{!"long", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"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"

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN3DIS14EightByteChunk9unmarshalERNS_10DataStreamE(ptr noundef nonnull align 8 dereferenceable(16) %0, ptr noundef nonnull align 8 dereferenceable(48) %1) unnamed_addr #0 align 2 {
  %3 = getelementptr inbounds i8, ptr %0, i64 8
  %4 = tail call noundef nonnull align 8 dereferenceable(48) ptr @_ZN3DIS10DataStreamrsERc(ptr noundef nonnull align 8 dereferenceable(48) %1, ptr noundef nonnull align 1 dereferenceable(1) %3)
  %5 = getelementptr inbounds i8, ptr %0, i64 9
  %6 = tail call noundef nonnull align 8 dereferenceable(48) ptr @_ZN3DIS10DataStreamrsERc(ptr noundef nonnull align 8 dereferenceable(48) %1, ptr noundef nonnull align 1 dereferenceable(1) %5)
  %7 = getelementptr inbounds i8, ptr %0, i64 10
  %8 = tail call noundef nonnull align 8 dereferenceable(48) ptr @_ZN3DIS10DataStreamrsERc(ptr noundef nonnull align 8 dereferenceable(48) %1, ptr noundef nonnull align 1 dereferenceable(1) %7)
  %9 = getelementptr inbounds i8, ptr %0, i64 11
  %10 = tail call noundef nonnull align 8 dereferenceable(48) ptr @_ZN3DIS10DataStreamrsERc(ptr noundef nonnull align 8 dereferenceable(48) %1, ptr noundef nonnull align 1 dereferenceable(1) %9)
  %11 = getelementptr inbounds i8, ptr %0, i64 12
  %12 = tail call noundef nonnull align 8 dereferenceable(48) ptr @_ZN3DIS10DataStreamrsERc(ptr noundef nonnull align 8 dereferenceable(48) %1, ptr noundef nonnull align 1 dereferenceable(1) %11)
  %13 = getelementptr inbounds i8, ptr %0, i64 13
  %14 = tail call noundef nonnull align 8 dereferenceable(48) ptr @_ZN3DIS10DataStreamrsERc(ptr noundef nonnull align 8 dereferenceable(48) %1, ptr noundef nonnull align 1 dereferenceable(1) %13)
  %15 = getelementptr inbounds i8, ptr %0, i64 14
  %16 = tail call noundef nonnull align 8 dereferenceable(48) ptr @_ZN3DIS10DataStreamrsERc(ptr noundef nonnull align 8 dereferenceable(48) %1, ptr noundef nonnull align 1 dereferenceable(1) %15)
  %17 = getelementptr inbounds i8, ptr %0, i64 15
  %18 = tail call noundef nonnull align 8 dereferenceable(48) ptr @_ZN3DIS10DataStreamrsERc(ptr noundef nonnull align 8 dereferenceable(48) %1, ptr noundef nonnull align 1 dereferenceable(1) %17)
  ret void
}

declare noundef nonnull align 8 dereferenceable(48) ptr @_ZN3DIS10DataStreamrsERc(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 1 dereferenceable(1)) local_unnamed_addr #1

attributes #0 = { mustprogress 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 = { "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)"}


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