; LLVM IR from gem5/gem5 :: ext/dsent/model/EventInfo.ll (ZN5DSENT9EventInfo24setRandomTransitionInfosEv)

; 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"

%"struct.std::_Rb_tree_iterator" = type { ptr }
%"class.DSENT::TransitionInfo" = type { double, double, double, double, double, double }
%"class.DSENT::EventInfo" = type { %"class.LibUtil::String", ptr }
%"class.LibUtil::String" = type { %"class.std::__cxx11::basic_string" }
%"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] }
%"struct.std::pair.9" = type { %"class.LibUtil::String", %"class.DSENT::TransitionInfo" }

; 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 nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #1

declare void @_ZN5DSENT14TransitionInfoC1Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #2

; Function Attrs: nounwind
declare void @_ZN5DSENT14TransitionInfoD1Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #3

; 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 @_ZN5DSENT9EventInfo24setRandomTransitionInfosEv(ptr noundef nonnull align 8 dereferenceable(40) %0) #4 align 2 {
  %2 = alloca ptr, align 8
  %3 = alloca %"struct.std::_Rb_tree_iterator", align 8
  %4 = alloca %"struct.std::_Rb_tree_iterator", align 8
  %5 = alloca %"struct.std::_Rb_tree_iterator", align 8
  %6 = alloca ptr, align 8
  %7 = alloca %"class.DSENT::TransitionInfo", align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %8 = load ptr, ptr %2, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #6
  %9 = getelementptr inbounds %"class.DSENT::EventInfo", ptr %8, i32 0, i32 1
  %10 = load ptr, ptr %9, align 8, !tbaa !9
  %11 = call ptr @_ZN7LibUtil3MapIN5DSENT14TransitionInfoEE5beginEv(ptr noundef nonnull align 8 dereferenceable(56) %10)
  %12 = getelementptr inbounds %"struct.std::_Rb_tree_iterator", ptr %3, i32 0, i32 0
  store ptr %11, ptr %12, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #6
  %13 = getelementptr inbounds %"class.DSENT::EventInfo", ptr %8, i32 0, i32 1
  %14 = load ptr, ptr %13, align 8, !tbaa !9
  %15 = call ptr @_ZN7LibUtil3MapIN5DSENT14TransitionInfoEE3endEv(ptr noundef nonnull align 8 dereferenceable(56) %14)
  %16 = getelementptr inbounds %"struct.std::_Rb_tree_iterator", ptr %4, i32 0, i32 0
  store ptr %15, ptr %16, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #6
  call void @_ZNSt17_Rb_tree_iteratorISt4pairIKN7LibUtil6StringEN5DSENT14TransitionInfoEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(8) %5) #6
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %5, ptr align 8 %3, i64 8, i1 false), !tbaa.struct !15
  br label %17

17:                                               ; preds = %23, %1
  %18 = call noundef zeroext i1 @_ZStneRKSt17_Rb_tree_iteratorISt4pairIKN7LibUtil6StringEN5DSENT14TransitionInfoEEES9_(ptr noundef nonnull align 8 dereferenceable(8) %5, ptr noundef nonnull align 8 dereferenceable(8) %4) #6
  br i1 %18, label %19, label %25

19:                                               ; preds = %17
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #6
  %20 = call noundef ptr @_ZNKSt17_Rb_tree_iteratorISt4pairIKN7LibUtil6StringEN5DSENT14TransitionInfoEEEptEv(ptr noundef nonnull align 8 dereferenceable(8) %5) #6
  %21 = getelementptr inbounds %"struct.std::pair.9", ptr %20, i32 0, i32 1
  store ptr %21, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 48, ptr %7) #6
  call void @_ZN5DSENT14TransitionInfoC1Ev(ptr noundef nonnull align 8 dereferenceable(48) %7)
  %22 = load ptr, ptr %6, align 8, !tbaa !5
  call void @llvm.memcpy.p0.p0.i64(ptr align 8 %22, ptr align 8 %7, i64 48, i1 false), !tbaa.struct !16
  call void @_ZN5DSENT14TransitionInfoD1Ev(ptr noundef nonnull align 8 dereferenceable(48) %7) #6
  call void @llvm.lifetime.end.p0(i64 48, ptr %7) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #6
  br label %23

23:                                               ; preds = %19
  %24 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt17_Rb_tree_iteratorISt4pairIKN7LibUtil6StringEN5DSENT14TransitionInfoEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %5) #6
  br label %17, !llvm.loop !19

25:                                               ; preds = %17
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #6
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZN7LibUtil3MapIN5DSENT14TransitionInfoEE5beginEv(ptr noundef nonnull align 8 dereferenceable(56)) #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZN7LibUtil3MapIN5DSENT14TransitionInfoEE3endEv(ptr noundef nonnull align 8 dereferenceable(56)) #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt17_Rb_tree_iteratorISt4pairIKN7LibUtil6StringEN5DSENT14TransitionInfoEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStneRKSt17_Rb_tree_iteratorISt4pairIKN7LibUtil6StringEN5DSENT14TransitionInfoEEES9_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNKSt17_Rb_tree_iteratorISt4pairIKN7LibUtil6StringEN5DSENT14TransitionInfoEEEptEv(ptr noundef nonnull align 8 dereferenceable(8)) #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt17_Rb_tree_iteratorISt4pairIKN7LibUtil6StringEN5DSENT14TransitionInfoEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #5 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
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 "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 #4 = { 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 #5 = { 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 #6 = { 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, !6, i64 32}
!10 = !{!"_ZTSN5DSENT9EventInfoE", !11, i64 0, !6, i64 32}
!11 = !{!"_ZTSN7LibUtil6StringE", !12, i64 0}
!12 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE", !13, i64 0, !14, i64 8, !7, i64 16}
!13 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_Alloc_hiderE", !6, i64 0}
!14 = !{!"long", !7, i64 0}
!15 = !{i64 0, i64 8, !5}
!16 = !{i64 0, i64 8, !17, i64 8, i64 8, !17, i64 16, i64 8, !17, i64 24, i64 8, !17, i64 32, i64 8, !17, i64 40, i64 8, !17}
!17 = !{!18, !18, i64 0}
!18 = !{!"double", !7, i64 0}
!19 = distinct !{!19, !20}
!20 = !{!"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"

%"struct.std::_Rb_tree_iterator" = type { ptr }
%"class.DSENT::TransitionInfo" = type { double, double, double, double, double, double }

; 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 nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #1

declare void @_ZN5DSENT14TransitionInfoC1Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #2

; Function Attrs: nounwind
declare void @_ZN5DSENT14TransitionInfoD1Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #3

; 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 uwtable
define dso_local void @_ZN5DSENT9EventInfo24setRandomTransitionInfosEv(ptr nocapture noundef nonnull readonly align 8 dereferenceable(40) %0) local_unnamed_addr #4 align 2 {
  %2 = alloca %"struct.std::_Rb_tree_iterator", align 8
  %3 = alloca %"struct.std::_Rb_tree_iterator", align 8
  %4 = alloca %"class.DSENT::TransitionInfo", align 8
  %5 = getelementptr inbounds i8, ptr %0, i64 32
  %6 = load ptr, ptr %5, align 8, !tbaa !5
  %7 = tail call ptr @_ZN7LibUtil3MapIN5DSENT14TransitionInfoEE5beginEv(ptr noundef nonnull align 8 dereferenceable(56) %6)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #6
  %8 = load ptr, ptr %5, align 8, !tbaa !5
  %9 = tail call ptr @_ZN7LibUtil3MapIN5DSENT14TransitionInfoEE3endEv(ptr noundef nonnull align 8 dereferenceable(56) %8)
  store ptr %9, ptr %2, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #6
  call void @_ZNSt17_Rb_tree_iteratorISt4pairIKN7LibUtil6StringEN5DSENT14TransitionInfoEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(8) %3) #6
  store ptr %7, ptr %3, align 8, !tbaa !14
  %10 = call noundef zeroext i1 @_ZStneRKSt17_Rb_tree_iteratorISt4pairIKN7LibUtil6StringEN5DSENT14TransitionInfoEEES9_(ptr noundef nonnull align 8 dereferenceable(8) %3, ptr noundef nonnull align 8 dereferenceable(8) %2) #6
  br i1 %10, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %1, %.lr.ph
  %11 = call noundef ptr @_ZNKSt17_Rb_tree_iteratorISt4pairIKN7LibUtil6StringEN5DSENT14TransitionInfoEEEptEv(ptr noundef nonnull align 8 dereferenceable(8) %3) #6
  %12 = getelementptr inbounds i8, ptr %11, i64 32
  call void @llvm.lifetime.start.p0(i64 48, ptr nonnull %4) #6
  call void @_ZN5DSENT14TransitionInfoC1Ev(ptr noundef nonnull align 8 dereferenceable(48) %4)
  call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 8 dereferenceable(48) %12, ptr noundef nonnull align 8 dereferenceable(48) %4, i64 48, i1 false), !tbaa.struct !15
  call void @_ZN5DSENT14TransitionInfoD1Ev(ptr noundef nonnull align 8 dereferenceable(48) %4) #6
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %4) #6
  %13 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt17_Rb_tree_iteratorISt4pairIKN7LibUtil6StringEN5DSENT14TransitionInfoEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %3) #6
  %14 = call noundef zeroext i1 @_ZStneRKSt17_Rb_tree_iteratorISt4pairIKN7LibUtil6StringEN5DSENT14TransitionInfoEEES9_(ptr noundef nonnull align 8 dereferenceable(8) %3, ptr noundef nonnull align 8 dereferenceable(8) %2) #6
  br i1 %14, label %.lr.ph, label %._crit_edge, !llvm.loop !18

._crit_edge:                                      ; preds = %.lr.ph, %1
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #6
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZN7LibUtil3MapIN5DSENT14TransitionInfoEE5beginEv(ptr noundef nonnull align 8 dereferenceable(56)) local_unnamed_addr #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZN7LibUtil3MapIN5DSENT14TransitionInfoEE3endEv(ptr noundef nonnull align 8 dereferenceable(56)) local_unnamed_addr #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt17_Rb_tree_iteratorISt4pairIKN7LibUtil6StringEN5DSENT14TransitionInfoEEEC2Ev(ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStneRKSt17_Rb_tree_iteratorISt4pairIKN7LibUtil6StringEN5DSENT14TransitionInfoEEES9_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNKSt17_Rb_tree_iteratorISt4pairIKN7LibUtil6StringEN5DSENT14TransitionInfoEEEptEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt17_Rb_tree_iteratorISt4pairIKN7LibUtil6StringEN5DSENT14TransitionInfoEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #5 align 2

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite) }
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 "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 #4 = { 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 #5 = { 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 #6 = { 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, !10, i64 32}
!6 = !{!"_ZTSN5DSENT9EventInfoE", !7, i64 0, !10, i64 32}
!7 = !{!"_ZTSN7LibUtil6StringE", !8, i64 0}
!8 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE", !9, i64 0, !13, i64 8, !11, i64 16}
!9 = !{!"_ZTSNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE12_Alloc_hiderE", !10, i64 0}
!10 = !{!"any pointer", !11, i64 0}
!11 = !{!"omnipotent char", !12, i64 0}
!12 = !{!"Simple C++ TBAA"}
!13 = !{!"long", !11, i64 0}
!14 = !{!10, !10, i64 0}
!15 = !{i64 0, i64 8, !16, i64 8, i64 8, !16, i64 16, i64 8, !16, i64 24, i64 8, !16, i64 32, i64 8, !16, i64 40, i64 8, !16}
!16 = !{!17, !17, i64 0}
!17 = !{!"double", !11, i64 0}
!18 = distinct !{!18, !19}
!19 = !{!"llvm.loop.mustprogress"}


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