; LLVM IR from devlinzhou/deterministic_physics :: UnrealDemo/Source/UnrealDemo/gphysics/src/utils (glacier_time)

; 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.std::map" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<std::__cxx11::basic_string<char>, std::pair<const std::__cxx11::basic_string<char>, float>, std::_Select1st<std::pair<const std::__cxx11::basic_string<char>, float>>, std::less<std::__cxx11::basic_string<char>>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<std::__cxx11::basic_string<char>, std::pair<const std::__cxx11::basic_string<char>, float>, std::_Select1st<std::pair<const std::__cxx11::basic_string<char>, float>>, std::less<std::__cxx11::basic_string<char>>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"struct.std::_Rb_tree_header" = type { %"struct.std::_Rb_tree_node_base", i64 }
%"struct.std::_Rb_tree_node_base" = type { i32, ptr, ptr, ptr }
%"struct.std::_Rb_tree_iterator" = type { ptr }
%"struct.std::pair" = type <{ %"class.std::__cxx11::basic_string", float, [4 x i8] }>
%"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] }

@_ZL12ms_TotalTimeB5cxx11 = external hidden global %"class.std::map", align 8

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStneRKSt17_Rb_tree_iteratorISt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEfEESB_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt3mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEfSt4lessIS5_ESaISt4pairIKS5_fEEE3endEv(ptr noundef nonnull align 8 dereferenceable(48)) #1 align 2

; 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
declare dso_local noundef ptr @_ZNKSt17_Rb_tree_iteratorISt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEfEEptEv(ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN13GTimeProfiler9ClearTimeEv() #1 align 2 {
  %1 = alloca %"struct.std::_Rb_tree_iterator", align 8
  %2 = alloca %"struct.std::_Rb_tree_iterator", align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %1) #2
  %3 = call ptr @_ZNSt3mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEfSt4lessIS5_ESaISt4pairIKS5_fEEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) @_ZL12ms_TotalTimeB5cxx11) #2
  %4 = getelementptr inbounds %"struct.std::_Rb_tree_iterator", ptr %1, i32 0, i32 0
  store ptr %3, ptr %4, align 8
  br label %5

5:                                                ; preds = %12, %0
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #2
  %6 = call ptr @_ZNSt3mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEfSt4lessIS5_ESaISt4pairIKS5_fEEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) @_ZL12ms_TotalTimeB5cxx11) #2
  %7 = getelementptr inbounds %"struct.std::_Rb_tree_iterator", ptr %2, i32 0, i32 0
  store ptr %6, ptr %7, align 8
  %8 = call noundef zeroext i1 @_ZStneRKSt17_Rb_tree_iteratorISt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEfEESB_(ptr noundef nonnull align 8 dereferenceable(8) %1, ptr noundef nonnull align 8 dereferenceable(8) %2) #2
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #2
  br i1 %8, label %9, label %14

9:                                                ; preds = %5
  %10 = call noundef ptr @_ZNKSt17_Rb_tree_iteratorISt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEfEEptEv(ptr noundef nonnull align 8 dereferenceable(8) %1) #2
  %11 = getelementptr inbounds %"struct.std::pair", ptr %10, i32 0, i32 1
  store float 0.000000e+00, ptr %11, align 8, !tbaa !5
  br label %12

12:                                               ; preds = %9
  %13 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt17_Rb_tree_iteratorISt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEfEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %1) #2
  br label %5, !llvm.loop !14

14:                                               ; preds = %5
  call void @llvm.lifetime.end.p0(i64 8, ptr %1) #2
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt3mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEfSt4lessIS5_ESaISt4pairIKS5_fEEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt17_Rb_tree_iteratorISt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEfEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #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, !13, i64 32}
!6 = !{!"_ZTSSt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEfE", !7, i64 0, !13, i64 32}
!7 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE", !8, i64 0, !12, i64 8, !10, i64 16}
!8 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_Alloc_hiderE", !9, i64 0}
!9 = !{!"any pointer", !10, i64 0}
!10 = !{!"omnipotent char", !11, i64 0}
!11 = !{!"Simple C++ TBAA"}
!12 = !{!"long", !10, i64 0}
!13 = !{!"float", !10, i64 0}
!14 = distinct !{!14, !15}
!15 = !{!"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"

%"class.std::map" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<std::__cxx11::basic_string<char>, std::pair<const std::__cxx11::basic_string<char>, float>, std::_Select1st<std::pair<const std::__cxx11::basic_string<char>, float>>, std::less<std::__cxx11::basic_string<char>>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<std::__cxx11::basic_string<char>, std::pair<const std::__cxx11::basic_string<char>, float>, std::_Select1st<std::pair<const std::__cxx11::basic_string<char>, float>>, std::less<std::__cxx11::basic_string<char>>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"struct.std::_Rb_tree_header" = type { %"struct.std::_Rb_tree_node_base", i64 }
%"struct.std::_Rb_tree_node_base" = type { i32, ptr, ptr, ptr }
%"struct.std::_Rb_tree_iterator" = type { ptr }

@_ZL12ms_TotalTimeB5cxx11 = external hidden global %"class.std::map", align 8

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStneRKSt17_Rb_tree_iteratorISt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEfEESB_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt3mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEfSt4lessIS5_ESaISt4pairIKS5_fEEE3endEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #1 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNKSt17_Rb_tree_iteratorISt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEfEEptEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN13GTimeProfiler9ClearTimeEv() local_unnamed_addr #1 align 2 {
  %1 = alloca %"struct.std::_Rb_tree_iterator", align 8
  %2 = alloca %"struct.std::_Rb_tree_iterator", align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #2
  %3 = tail call ptr @_ZNSt3mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEfSt4lessIS5_ESaISt4pairIKS5_fEEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) @_ZL12ms_TotalTimeB5cxx11) #2
  store ptr %3, ptr %1, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #2
  %4 = tail call ptr @_ZNSt3mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEfSt4lessIS5_ESaISt4pairIKS5_fEEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) @_ZL12ms_TotalTimeB5cxx11) #2
  store ptr %4, ptr %2, align 8
  %5 = call noundef zeroext i1 @_ZStneRKSt17_Rb_tree_iteratorISt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEfEESB_(ptr noundef nonnull align 8 dereferenceable(8) %1, ptr noundef nonnull align 8 dereferenceable(8) %2) #2
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #2
  br i1 %5, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %0, %.lr.ph
  %6 = call noundef ptr @_ZNKSt17_Rb_tree_iteratorISt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEfEEptEv(ptr noundef nonnull align 8 dereferenceable(8) %1) #2
  %7 = getelementptr inbounds i8, ptr %6, i64 32
  store float 0.000000e+00, ptr %7, align 8, !tbaa !5
  %8 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt17_Rb_tree_iteratorISt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEfEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %1) #2
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #2
  %9 = call ptr @_ZNSt3mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEfSt4lessIS5_ESaISt4pairIKS5_fEEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) @_ZL12ms_TotalTimeB5cxx11) #2
  store ptr %9, ptr %2, align 8
  %10 = call noundef zeroext i1 @_ZStneRKSt17_Rb_tree_iteratorISt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEfEESB_(ptr noundef nonnull align 8 dereferenceable(8) %1, ptr noundef nonnull align 8 dereferenceable(8) %2) #2
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #2
  br i1 %10, label %.lr.ph, label %._crit_edge, !llvm.loop !14

._crit_edge:                                      ; preds = %.lr.ph, %0
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #2
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt3mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEfSt4lessIS5_ESaISt4pairIKS5_fEEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt17_Rb_tree_iteratorISt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEfEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

attributes #0 = { mustprogress 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, !13, i64 32}
!6 = !{!"_ZTSSt4pairIKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEfE", !7, i64 0, !13, i64 32}
!7 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE", !8, i64 0, !12, i64 8, !10, i64 16}
!8 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_Alloc_hiderE", !9, i64 0}
!9 = !{!"any pointer", !10, i64 0}
!10 = !{!"omnipotent char", !11, i64 0}
!11 = !{!"Simple C++ TBAA"}
!12 = !{!"long", !10, i64 0}
!13 = !{!"float", !10, i64 0}
!14 = distinct !{!14, !15}
!15 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SimplifyCFGPass,TailCallElimPass