; LLVM IR from dmr-goncalves/HumanAwareRobotNavigation :: src/husky/husky_base/src/horizon_legacy/Transport.ll (ZN9clearpath9TransportC2Ev)

; 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.clearpath::Transport" = type { i8, ptr, i32, %"class.std::__cxx11::list", [4 x i64] }
%"class.std::__cxx11::list" = type { %"class.std::__cxx11::_List_base" }
%"class.std::__cxx11::_List_base" = type { %"struct.std::__cxx11::_List_base<clearpath::Message *, std::allocator<clearpath::Message *>>::_List_impl" }
%"struct.std::__cxx11::_List_base<clearpath::Message *, std::allocator<clearpath::Message *>>::_List_impl" = type { %"struct.std::__detail::_List_node_header" }
%"struct.std::__detail::_List_node_header" = type { %"struct.std::__detail::_List_node_base", i64 }
%"struct.std::__detail::_List_node_base" = type { ptr, ptr }

; 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 nounwind uwtable
define dso_local void @_ZN9clearpath9TransportC2Ev(ptr noundef nonnull align 8 dereferenceable(80) %0) unnamed_addr #1 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
  %5 = getelementptr inbounds %"class.clearpath::Transport", ptr %4, i32 0, i32 0
  store i8 0, ptr %5, align 8, !tbaa !9
  %6 = getelementptr inbounds %"class.clearpath::Transport", ptr %4, i32 0, i32 1
  store ptr null, ptr %6, align 8, !tbaa !19
  %7 = getelementptr inbounds %"class.clearpath::Transport", ptr %4, i32 0, i32 2
  store i32 0, ptr %7, align 8, !tbaa !20
  %8 = getelementptr inbounds %"class.clearpath::Transport", ptr %4, i32 0, i32 3
  call void @_ZNSt7__cxx114listIPN9clearpath7MessageESaIS3_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %8) #2
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #2
  store i32 0, ptr %3, align 4, !tbaa !21
  br label %9

9:                                                ; preds = %18, %1
  %10 = load i32, ptr %3, align 4, !tbaa !21
  %11 = icmp slt i32 %10, 4
  br i1 %11, label %13, label %12

12:                                               ; preds = %9
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #2
  br label %21

13:                                               ; preds = %9
  %14 = getelementptr inbounds %"class.clearpath::Transport", ptr %4, i32 0, i32 4
  %15 = load i32, ptr %3, align 4, !tbaa !21
  %16 = sext i32 %15 to i64
  %17 = getelementptr inbounds [4 x i64], ptr %14, i64 0, i64 %16
  store i64 0, ptr %17, align 8, !tbaa !22
  br label %18

18:                                               ; preds = %13
  %19 = load i32, ptr %3, align 4, !tbaa !21
  %20 = add nsw i32 %19, 1
  store i32 %20, ptr %3, align 4, !tbaa !21
  br label %9, !llvm.loop !23

21:                                               ; preds = %12
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt7__cxx114listIPN9clearpath7MessageESaIS3_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #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, !11, i64 0}
!10 = !{!"_ZTSN9clearpath9TransportE", !11, i64 0, !6, i64 8, !12, i64 16, !13, i64 24, !7, i64 48}
!11 = !{!"bool", !7, i64 0}
!12 = !{!"int", !7, i64 0}
!13 = !{!"_ZTSNSt7__cxx114listIPN9clearpath7MessageESaIS3_EEE", !14, i64 0}
!14 = !{!"_ZTSNSt7__cxx1110_List_baseIPN9clearpath7MessageESaIS3_EEE", !15, i64 0}
!15 = !{!"_ZTSNSt7__cxx1110_List_baseIPN9clearpath7MessageESaIS3_EE10_List_implE", !16, i64 0}
!16 = !{!"_ZTSNSt8__detail17_List_node_headerE", !17, i64 0, !18, i64 16}
!17 = !{!"_ZTSNSt8__detail15_List_node_baseE", !6, i64 0, !6, i64 8}
!18 = !{!"long", !7, i64 0}
!19 = !{!10, !6, i64 8}
!20 = !{!10, !12, i64 16}
!21 = !{!12, !12, i64 0}
!22 = !{!18, !18, i64 0}
!23 = distinct !{!23, !24}
!24 = !{!"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 nounwind uwtable
define dso_local void @_ZN9clearpath9TransportC2Ev(ptr noundef nonnull align 8 dereferenceable(80) %0) unnamed_addr #0 align 2 {
  store i8 0, ptr %0, align 8, !tbaa !5
  %2 = getelementptr inbounds i8, ptr %0, i64 8
  store ptr null, ptr %2, align 8, !tbaa !18
  %3 = getelementptr inbounds i8, ptr %0, i64 16
  store i32 0, ptr %3, align 8, !tbaa !19
  %4 = getelementptr inbounds i8, ptr %0, i64 24
  tail call void @_ZNSt7__cxx114listIPN9clearpath7MessageESaIS3_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #2
  %5 = getelementptr inbounds i8, ptr %0, i64 48
  tail call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(32) %5, i8 0, i64 32, i1 false), !tbaa !20
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt7__cxx114listIPN9clearpath7MessageESaIS3_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; 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 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 nounwind willreturn memory(argmem: write) }
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, !7, i64 0}
!6 = !{!"_ZTSN9clearpath9TransportE", !7, i64 0, !10, i64 8, !11, i64 16, !12, i64 24, !8, i64 48}
!7 = !{!"bool", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}
!11 = !{!"int", !8, i64 0}
!12 = !{!"_ZTSNSt7__cxx114listIPN9clearpath7MessageESaIS3_EEE", !13, i64 0}
!13 = !{!"_ZTSNSt7__cxx1110_List_baseIPN9clearpath7MessageESaIS3_EEE", !14, i64 0}
!14 = !{!"_ZTSNSt7__cxx1110_List_baseIPN9clearpath7MessageESaIS3_EE10_List_implE", !15, i64 0}
!15 = !{!"_ZTSNSt8__detail17_List_node_headerE", !16, i64 0, !17, i64 16}
!16 = !{!"_ZTSNSt8__detail15_List_node_baseE", !10, i64 0, !10, i64 8}
!17 = !{!"long", !8, i64 0}
!18 = !{!6, !10, i64 8}
!19 = !{!6, !11, i64 16}
!20 = !{!17, !17, i64 0}


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