; LLVM IR from jorgemf/c-evolutionary-library :: examples/tsp/TSPSelection.ll (ZN12TSPSelection16selectIndividualEPP10Individuali)

; 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.TSPSelection = type { %class.Selection, i32, i32 }
%class.Selection = type { 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 uwtable
define dso_local noundef ptr @_ZN12TSPSelection16selectIndividualEPP10Individuali(ptr noundef nonnull align 8 dereferenceable(16) %0, ptr noundef %1, i32 noundef %2) unnamed_addr #1 align 2 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  store i32 %2, ptr %6, align 4, !tbaa !9
  %10 = load ptr, ptr %4, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #4
  store ptr null, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #4
  store i32 0, ptr %9, align 4, !tbaa !9
  br label %11

11:                                               ; preds = %32, %3
  %12 = load i32, ptr %9, align 4, !tbaa !9
  %13 = getelementptr inbounds %class.TSPSelection, ptr %10, i32 0, i32 1
  %14 = load i32, ptr %13, align 8, !tbaa !11
  %15 = icmp slt i32 %12, %14
  br i1 %15, label %17, label %16

16:                                               ; preds = %11
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #4
  br label %35

17:                                               ; preds = %11
  %18 = load ptr, ptr %5, align 8, !tbaa !5
  %19 = load i32, ptr %6, align 4, !tbaa !9
  %20 = call noundef ptr @_ZN12TSPSelection22selectRandomIndividualEPP10Individuali(ptr noundef nonnull align 8 dereferenceable(16) %10, ptr noundef %18, i32 noundef %19)
  store ptr %20, ptr %8, align 8, !tbaa !5
  %21 = load ptr, ptr %7, align 8, !tbaa !5
  %22 = icmp eq ptr %21, null
  br i1 %22, label %29, label %23

23:                                               ; preds = %17
  %24 = load ptr, ptr %7, align 8, !tbaa !5
  %25 = call noundef double @_ZN10Individual10getFitnessEv(ptr noundef nonnull align 8 dereferenceable(52) %24)
  %26 = load ptr, ptr %8, align 8, !tbaa !5
  %27 = call noundef double @_ZN10Individual10getFitnessEv(ptr noundef nonnull align 8 dereferenceable(52) %26)
  %28 = fcmp ogt double %25, %27
  br i1 %28, label %29, label %31

29:                                               ; preds = %23, %17
  %30 = load ptr, ptr %8, align 8, !tbaa !5
  store ptr %30, ptr %7, align 8, !tbaa !5
  br label %31

31:                                               ; preds = %29, %23
  br label %32

32:                                               ; preds = %31
  %33 = load i32, ptr %9, align 4, !tbaa !9
  %34 = add nsw i32 %33, 1
  store i32 %34, ptr %9, align 4, !tbaa !9
  br label %11, !llvm.loop !14

35:                                               ; preds = %16
  %36 = load ptr, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #4
  ret ptr %36
}

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef ptr @_ZN12TSPSelection22selectRandomIndividualEPP10Individuali(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef, i32 noundef) #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef double @_ZN10Individual10getFitnessEv(ptr noundef nonnull align 8 dereferenceable(52)) #3 align 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 = { inlinehint 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 = { inlinehint 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 #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, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !10, i64 8}
!12 = !{!"_ZTS12TSPSelection", !13, i64 0, !10, i64 8, !10, i64 12}
!13 = !{!"_ZTS9Selection"}
!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"

; Function Attrs: mustprogress uwtable
define dso_local noundef ptr @_ZN12TSPSelection16selectIndividualEPP10Individuali(ptr noundef nonnull align 8 dereferenceable(16) %0, ptr noundef %1, i32 noundef %2) unnamed_addr #0 align 2 {
  %4 = getelementptr inbounds i8, ptr %0, i64 8
  %5 = load i32, ptr %4, align 8, !tbaa !5
  %6 = icmp sgt i32 %5, 0
  br i1 %6, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %14, %3
  %.09.lcssa = phi ptr [ null, %3 ], [ %.1, %14 ]
  ret ptr %.09.lcssa

.lr.ph:                                           ; preds = %3, %14
  %.011 = phi i32 [ %15, %14 ], [ 0, %3 ]
  %.0910 = phi ptr [ %.1, %14 ], [ null, %3 ]
  %7 = tail call noundef ptr @_ZN12TSPSelection22selectRandomIndividualEPP10Individuali(ptr noundef nonnull align 8 dereferenceable(16) %0, ptr noundef %1, i32 noundef %2)
  %8 = icmp eq ptr %.0910, null
  br i1 %8, label %13, label %9

9:                                                ; preds = %.lr.ph
  %10 = tail call noundef double @_ZN10Individual10getFitnessEv(ptr noundef nonnull align 8 dereferenceable(52) %.0910)
  %11 = tail call noundef double @_ZN10Individual10getFitnessEv(ptr noundef nonnull align 8 dereferenceable(52) %7)
  %12 = fcmp ogt double %10, %11
  br i1 %12, label %13, label %14

13:                                               ; preds = %9, %.lr.ph
  br label %14

14:                                               ; preds = %9, %13
  %.1 = phi ptr [ %7, %13 ], [ %.0910, %9 ]
  %15 = add nuw nsw i32 %.011, 1
  %16 = load i32, ptr %4, align 8, !tbaa !5
  %17 = icmp slt i32 %15, %16
  br i1 %17, label %.lr.ph, label %._crit_edge, !llvm.loop !11
}

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef ptr @_ZN12TSPSelection22selectRandomIndividualEPP10Individuali(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef, i32 noundef) local_unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef double @_ZN10Individual10getFitnessEv(ptr noundef nonnull align 8 dereferenceable(52)) local_unnamed_addr #2 align 2

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 = { inlinehint 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 = { inlinehint 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" }

!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, !8, i64 8}
!6 = !{!"_ZTS12TSPSelection", !7, i64 0, !8, i64 8, !8, i64 12}
!7 = !{!"_ZTS9Selection"}
!8 = !{!"int", !9, i64 0}
!9 = !{!"omnipotent char", !10, i64 0}
!10 = !{!"Simple C++ TBAA"}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass