; LLVM IR from kazulagi/plantFEM :: src/RouteOptimizationClass/TSP_enum_greedy.ll (ZN6Points12random_orderERSt6vectorIiSaIiEE)

; 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::mersenne_twister_engine" = type { [624 x i64], i64 }
%"class.std::uniform_int_distribution" = type { %"struct.std::uniform_int_distribution<>::param_type" }
%"struct.std::uniform_int_distribution<>::param_type" = type { i32, i32 }
%class.Points = type { i32, %"class.std::vector", %"class.std::vector", %"class.std::vector.0", double, %"class.std::vector.5" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl" }
%"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl" = type { %"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl_data" }
%"struct.std::_Vector_base<double, std::allocator<double>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<std::vector<double>, std::allocator<std::vector<double>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<double>, std::allocator<std::vector<double>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<double>, std::allocator<std::vector<double>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<double>, std::allocator<std::vector<double>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.5" = type { %"struct.std::_Vector_base.6" }
%"struct.std::_Vector_base.6" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, 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
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN6Points12random_orderERSt6vectorIiSaIiEE(ptr noundef nonnull align 8 dereferenceable(112) %0, ptr noundef nonnull align 8 dereferenceable(24) %1) #2 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca %"class.std::mersenne_twister_engine", align 8
  %6 = alloca %"class.std::uniform_int_distribution", align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %9 = load ptr, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 5000, ptr %5) #4
  %10 = call i64 @time(ptr noundef null) #4
  %11 = trunc i64 %10 to i32
  %12 = zext i32 %11 to i64
  call void @_ZNSt23mersenne_twister_engineImLm32ELm624ELm397ELm31ELm2567483615ELm11ELm4294967295ELm7ELm2636928640ELm15ELm4022730752ELm18ELm1812433253EEC2Em(ptr noundef nonnull align 8 dereferenceable(5000) %5, i64 noundef %12)
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #4
  %13 = getelementptr inbounds %class.Points, ptr %9, i32 0, i32 0
  %14 = load i32, ptr %13, align 8, !tbaa !9
  %15 = sub nsw i32 %14, 1
  call void @_ZNSt24uniform_int_distributionIiEC2Eii(ptr noundef nonnull align 4 dereferenceable(8) %6, i32 noundef 0, i32 noundef %15)
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #4
  %16 = call noundef i32 @_ZNSt24uniform_int_distributionIiEclISt23mersenne_twister_engineImLm32ELm624ELm397ELm31ELm2567483615ELm11ELm4294967295ELm7ELm2636928640ELm15ELm4022730752ELm18ELm1812433253EEEEiRT_(ptr noundef nonnull align 4 dereferenceable(8) %6, ptr noundef nonnull align 8 dereferenceable(5000) %5)
  store i32 %16, ptr %7, align 4, !tbaa !25
  %17 = load i32, ptr %7, align 4, !tbaa !25
  %18 = load ptr, ptr %4, align 8, !tbaa !5
  %19 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %18, i64 noundef 0) #4
  store i32 %17, ptr %19, align 4, !tbaa !25
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #4
  store i32 1, ptr %8, align 4, !tbaa !25
  br label %20

20:                                               ; preds = %37, %2
  %21 = load i32, ptr %8, align 4, !tbaa !25
  %22 = getelementptr inbounds %class.Points, ptr %9, i32 0, i32 0
  %23 = load i32, ptr %22, align 8, !tbaa !9
  %24 = icmp slt i32 %21, %23
  br i1 %24, label %26, label %25

25:                                               ; preds = %20
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #4
  br label %40

26:                                               ; preds = %20
  %27 = load i32, ptr %8, align 4, !tbaa !25
  %28 = load i32, ptr %7, align 4, !tbaa !25
  %29 = icmp eq i32 %27, %28
  br i1 %29, label %30, label %31

30:                                               ; preds = %26
  br label %37

31:                                               ; preds = %26
  %32 = load i32, ptr %8, align 4, !tbaa !25
  %33 = load ptr, ptr %4, align 8, !tbaa !5
  %34 = load i32, ptr %8, align 4, !tbaa !25
  %35 = sext i32 %34 to i64
  %36 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %33, i64 noundef %35) #4
  store i32 %32, ptr %36, align 4, !tbaa !25
  br label %37

37:                                               ; preds = %31, %30
  %38 = load i32, ptr %8, align 4, !tbaa !25
  %39 = add nsw i32 %38, 1
  store i32 %39, ptr %8, align 4, !tbaa !25
  br label %20, !llvm.loop !26

40:                                               ; preds = %25
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #4
  call void @llvm.lifetime.end.p0(i64 5000, ptr %5) #4
  ret void
}

; Function Attrs: nounwind
declare i64 @time(ptr noundef) #3

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt23mersenne_twister_engineImLm32ELm624ELm397ELm31ELm2567483615ELm11ELm4294967295ELm7ELm2636928640ELm15ELm4022730752ELm18ELm1812433253EEC2Em(ptr noundef nonnull align 8 dereferenceable(5000), i64 noundef) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt24uniform_int_distributionIiEC2Eii(ptr noundef nonnull align 4 dereferenceable(8), i32 noundef, i32 noundef) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_ZNSt24uniform_int_distributionIiEclISt23mersenne_twister_engineImLm32ELm624ELm397ELm31ELm2567483615ELm11ELm4294967295ELm7ELm2636928640ELm15ELm4022730752ELm18ELm1812433253EEEEiRT_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(5000)) #2 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 = { 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 #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 = { 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 = !{!"_ZTS6Points", !11, i64 0, !12, i64 8, !12, i64 32, !16, i64 56, !20, i64 80, !21, i64 88}
!11 = !{!"int", !7, i64 0}
!12 = !{!"_ZTSSt6vectorIdSaIdEE", !13, i64 0}
!13 = !{!"_ZTSSt12_Vector_baseIdSaIdEE", !14, i64 0}
!14 = !{!"_ZTSNSt12_Vector_baseIdSaIdEE12_Vector_implE", !15, i64 0}
!15 = !{!"_ZTSNSt12_Vector_baseIdSaIdEE17_Vector_impl_dataE", !6, i64 0, !6, i64 8, !6, i64 16}
!16 = !{!"_ZTSSt6vectorIS_IdSaIdEESaIS1_EE", !17, i64 0}
!17 = !{!"_ZTSSt12_Vector_baseISt6vectorIdSaIdEESaIS2_EE", !18, i64 0}
!18 = !{!"_ZTSNSt12_Vector_baseISt6vectorIdSaIdEESaIS2_EE12_Vector_implE", !19, i64 0}
!19 = !{!"_ZTSNSt12_Vector_baseISt6vectorIdSaIdEESaIS2_EE17_Vector_impl_dataE", !6, i64 0, !6, i64 8, !6, i64 16}
!20 = !{!"double", !7, i64 0}
!21 = !{!"_ZTSSt6vectorIiSaIiEE", !22, i64 0}
!22 = !{!"_ZTSSt12_Vector_baseIiSaIiEE", !23, i64 0}
!23 = !{!"_ZTSNSt12_Vector_baseIiSaIiEE12_Vector_implE", !24, i64 0}
!24 = !{!"_ZTSNSt12_Vector_baseIiSaIiEE17_Vector_impl_dataE", !6, i64 0, !6, i64 8, !6, i64 16}
!25 = !{!11, !11, i64 0}
!26 = distinct !{!26, !27}
!27 = !{!"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::mersenne_twister_engine" = type { [624 x i64], i64 }
%"class.std::uniform_int_distribution" = type { %"struct.std::uniform_int_distribution<>::param_type" }
%"struct.std::uniform_int_distribution<>::param_type" = type { i32, i32 }

; 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 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 nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN6Points12random_orderERSt6vectorIiSaIiEE(ptr nocapture noundef nonnull readonly align 8 dereferenceable(112) %0, ptr noundef nonnull align 8 dereferenceable(24) %1) local_unnamed_addr #2 align 2 {
  %3 = alloca %"class.std::mersenne_twister_engine", align 8
  %4 = alloca %"class.std::uniform_int_distribution", align 4
  call void @llvm.lifetime.start.p0(i64 5000, ptr nonnull %3) #4
  %5 = tail call i64 @time(ptr noundef null) #4
  %6 = and i64 %5, 4294967295
  call void @_ZNSt23mersenne_twister_engineImLm32ELm624ELm397ELm31ELm2567483615ELm11ELm4294967295ELm7ELm2636928640ELm15ELm4022730752ELm18ELm1812433253EEC2Em(ptr noundef nonnull align 8 dereferenceable(5000) %3, i64 noundef %6)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #4
  %7 = load i32, ptr %0, align 8, !tbaa !5
  %8 = add nsw i32 %7, -1
  call void @_ZNSt24uniform_int_distributionIiEC2Eii(ptr noundef nonnull align 4 dereferenceable(8) %4, i32 noundef 0, i32 noundef %8)
  %9 = call noundef i32 @_ZNSt24uniform_int_distributionIiEclISt23mersenne_twister_engineImLm32ELm624ELm397ELm31ELm2567483615ELm11ELm4294967295ELm7ELm2636928640ELm15ELm4022730752ELm18ELm1812433253EEEEiRT_(ptr noundef nonnull align 4 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(5000) %3)
  %10 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef 0) #4
  store i32 %9, ptr %10, align 4, !tbaa !24
  %11 = load i32, ptr %0, align 8, !tbaa !5
  %12 = icmp sgt i32 %11, 1
  br i1 %12, label %.lr.ph.preheader, label %._crit_edge

.lr.ph.preheader:                                 ; preds = %2
  %13 = zext i32 %9 to i64
  br label %.lr.ph

._crit_edge:                                      ; preds = %19, %2
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #4
  call void @llvm.lifetime.end.p0(i64 5000, ptr nonnull %3) #4
  ret void

.lr.ph:                                           ; preds = %.lr.ph.preheader, %19
  %14 = phi i32 [ %11, %.lr.ph.preheader ], [ %20, %19 ]
  %indvars.iv = phi i64 [ 1, %.lr.ph.preheader ], [ %indvars.iv.next, %19 ]
  %15 = icmp eq i64 %indvars.iv, %13
  br i1 %15, label %19, label %16

16:                                               ; preds = %.lr.ph
  %17 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %indvars.iv) #4
  %18 = trunc nuw nsw i64 %indvars.iv to i32
  store i32 %18, ptr %17, align 4, !tbaa !24
  %.pre = load i32, ptr %0, align 8, !tbaa !5
  br label %19

19:                                               ; preds = %.lr.ph, %16
  %20 = phi i32 [ %14, %.lr.ph ], [ %.pre, %16 ]
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %21 = sext i32 %20 to i64
  %22 = icmp slt i64 %indvars.iv.next, %21
  br i1 %22, label %.lr.ph, label %._crit_edge, !llvm.loop !25
}

; Function Attrs: nounwind
declare i64 @time(ptr noundef) local_unnamed_addr #3

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt23mersenne_twister_engineImLm32ELm624ELm397ELm31ELm2567483615ELm11ELm4294967295ELm7ELm2636928640ELm15ELm4022730752ELm18ELm1812433253EEC2Em(ptr noundef nonnull align 8 dereferenceable(5000), i64 noundef) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt24uniform_int_distributionIiEC2Eii(ptr noundef nonnull align 4 dereferenceable(8), i32 noundef, i32 noundef) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_ZNSt24uniform_int_distributionIiEclISt23mersenne_twister_engineImLm32ELm624ELm397ELm31ELm2567483615ELm11ELm4294967295ELm7ELm2636928640ELm15ELm4022730752ELm18ELm1812433253EEEEiRT_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(5000)) local_unnamed_addr #2 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 = { 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 #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 = { 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 = !{!"_ZTS6Points", !7, i64 0, !10, i64 8, !10, i64 32, !15, i64 56, !19, i64 80, !20, i64 88}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"_ZTSSt6vectorIdSaIdEE", !11, i64 0}
!11 = !{!"_ZTSSt12_Vector_baseIdSaIdEE", !12, i64 0}
!12 = !{!"_ZTSNSt12_Vector_baseIdSaIdEE12_Vector_implE", !13, i64 0}
!13 = !{!"_ZTSNSt12_Vector_baseIdSaIdEE17_Vector_impl_dataE", !14, i64 0, !14, i64 8, !14, i64 16}
!14 = !{!"any pointer", !8, i64 0}
!15 = !{!"_ZTSSt6vectorIS_IdSaIdEESaIS1_EE", !16, i64 0}
!16 = !{!"_ZTSSt12_Vector_baseISt6vectorIdSaIdEESaIS2_EE", !17, i64 0}
!17 = !{!"_ZTSNSt12_Vector_baseISt6vectorIdSaIdEESaIS2_EE12_Vector_implE", !18, i64 0}
!18 = !{!"_ZTSNSt12_Vector_baseISt6vectorIdSaIdEESaIS2_EE17_Vector_impl_dataE", !14, i64 0, !14, i64 8, !14, i64 16}
!19 = !{!"double", !8, i64 0}
!20 = !{!"_ZTSSt6vectorIiSaIiEE", !21, i64 0}
!21 = !{!"_ZTSSt12_Vector_baseIiSaIiEE", !22, i64 0}
!22 = !{!"_ZTSNSt12_Vector_baseIiSaIiEE12_Vector_implE", !23, i64 0}
!23 = !{!"_ZTSNSt12_Vector_baseIiSaIiEE17_Vector_impl_dataE", !14, i64 0, !14, i64 8, !14, i64 16}
!24 = !{!7, !7, i64 0}
!25 = distinct !{!25, !26}
!26 = !{!"llvm.loop.mustprogress"}


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