; LLVM IR from jorgemf/c-evolutionary-library :: examples/tsp/TSPIndividual2.ll (ZN14TSPIndividual212binarySearchEPddii)

; 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"

; 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 noundef i32 @_ZN14TSPIndividual212binarySearchEPddii(ptr noundef nonnull align 8 dereferenceable(80) %0, ptr noundef %1, double noundef %2, i32 noundef %3, i32 noundef %4) #1 align 2 {
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca double, align 8
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  store ptr %0, ptr %6, align 8, !tbaa !5
  store ptr %1, ptr %7, align 8, !tbaa !5
  store double %2, ptr %8, align 8, !tbaa !9
  store i32 %3, ptr %9, align 4, !tbaa !11
  store i32 %4, ptr %10, align 4, !tbaa !11
  %13 = load ptr, ptr %6, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #2
  store i32 -1, ptr %11, align 4, !tbaa !11
  br label %14

14:                                               ; preds = %52, %5
  %15 = load i32, ptr %11, align 4, !tbaa !11
  %16 = icmp eq i32 %15, -1
  br i1 %16, label %17, label %21

17:                                               ; preds = %14
  %18 = load i32, ptr %9, align 4, !tbaa !11
  %19 = load i32, ptr %10, align 4, !tbaa !11
  %20 = icmp sle i32 %18, %19
  br label %21

21:                                               ; preds = %17, %14
  %22 = phi i1 [ false, %14 ], [ %20, %17 ]
  br i1 %22, label %23, label %53

23:                                               ; preds = %21
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #2
  %24 = load i32, ptr %9, align 4, !tbaa !11
  %25 = load i32, ptr %10, align 4, !tbaa !11
  %26 = add nsw i32 %24, %25
  %27 = sdiv i32 %26, 2
  store i32 %27, ptr %12, align 4, !tbaa !11
  %28 = load ptr, ptr %7, align 8, !tbaa !5
  %29 = load i32, ptr %12, align 4, !tbaa !11
  %30 = sext i32 %29 to i64
  %31 = getelementptr inbounds double, ptr %28, i64 %30
  %32 = load double, ptr %31, align 8, !tbaa !9
  %33 = load double, ptr %8, align 8, !tbaa !9
  %34 = fcmp oeq double %32, %33
  br i1 %34, label %35, label %37

35:                                               ; preds = %23
  %36 = load i32, ptr %12, align 4, !tbaa !11
  store i32 %36, ptr %11, align 4, !tbaa !11
  br label %52

37:                                               ; preds = %23
  %38 = load ptr, ptr %7, align 8, !tbaa !5
  %39 = load i32, ptr %12, align 4, !tbaa !11
  %40 = sext i32 %39 to i64
  %41 = getelementptr inbounds double, ptr %38, i64 %40
  %42 = load double, ptr %41, align 8, !tbaa !9
  %43 = load double, ptr %8, align 8, !tbaa !9
  %44 = fcmp ogt double %42, %43
  br i1 %44, label %45, label %48

45:                                               ; preds = %37
  %46 = load i32, ptr %12, align 4, !tbaa !11
  %47 = sub nsw i32 %46, 1
  store i32 %47, ptr %10, align 4, !tbaa !11
  br label %51

48:                                               ; preds = %37
  %49 = load i32, ptr %12, align 4, !tbaa !11
  %50 = add nsw i32 %49, 1
  store i32 %50, ptr %9, align 4, !tbaa !11
  br label %51

51:                                               ; preds = %48, %45
  br label %52

52:                                               ; preds = %51, %35
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #2
  br label %14, !llvm.loop !13

53:                                               ; preds = %21
  %54 = load i32, ptr %11, align 4, !tbaa !11
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #2
  ret i32 %54
}

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, !10, i64 0}
!10 = !{!"double", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"int", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"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 nofree norecurse nosync nounwind willreturn memory(argmem: read) uwtable
define dso_local noundef range(i32 -1073741824, 1073741824) i32 @_ZN14TSPIndividual212binarySearchEPddii(ptr nocapture noundef nonnull readnone align 8 dereferenceable(80) %0, ptr nocapture noundef readonly %1, double noundef %2, i32 noundef %3, i32 noundef %4) local_unnamed_addr #0 align 2 {
  %.not = icmp sgt i32 %3, %4
  br i1 %.not, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %5, %18
  %.022 = phi i32 [ %.1, %18 ], [ %3, %5 ]
  %.01721 = phi i32 [ %.118, %18 ], [ %4, %5 ]
  %6 = add nsw i32 %.022, %.01721
  %7 = sdiv i32 %6, 2
  %8 = sext i32 %7 to i64
  %9 = getelementptr inbounds double, ptr %1, i64 %8
  %10 = load double, ptr %9, align 8, !tbaa !5
  %11 = fcmp oeq double %10, %2
  br i1 %11, label %18, label %12

12:                                               ; preds = %.lr.ph
  %13 = fcmp ogt double %10, %2
  br i1 %13, label %14, label %16

14:                                               ; preds = %12
  %15 = add nsw i32 %7, -1
  br label %18

16:                                               ; preds = %12
  %17 = add nsw i32 %7, 1
  br label %18

18:                                               ; preds = %.lr.ph, %14, %16
  %.118 = phi i32 [ %15, %14 ], [ %.01721, %16 ], [ %.01721, %.lr.ph ]
  %.116 = phi i32 [ -1, %14 ], [ -1, %16 ], [ %7, %.lr.ph ]
  %.1 = phi i32 [ %.022, %14 ], [ %17, %16 ], [ %.022, %.lr.ph ]
  %19 = icmp eq i32 %.116, -1
  %20 = icmp sle i32 %.1, %.118
  %21 = select i1 %19, i1 %20, i1 false
  br i1 %21, label %.lr.ph, label %._crit_edge, !llvm.loop !9

._crit_edge:                                      ; preds = %18, %5
  %.015.lcssa = phi i32 [ -1, %5 ], [ %.116, %18 ]
  ret i32 %.015.lcssa
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: read) 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, !6, i64 0}
!6 = !{!"double", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass