; LLVM IR from ERGO-Code/HiGHS :: src/lp_data (HighsModelUtils)

; 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"

@.str.111 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.112 = external hidden unnamed_addr constant [53 x i8], align 1
@.str.113 = external hidden unnamed_addr constant [32 x i8], align 1

; 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

declare void @_Z11highsLogDevRK15HighsLogOptions12HighsLogTypePKcz(ptr noundef nonnull align 8 dereferenceable(89), i32 noundef, ptr noundef, ...) #1

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5c_strEv(ptr noundef nonnull align 8 dereferenceable(32)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(32) ptr @_ZNKSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_Z18hasNamesWithSpacesRK15HighsLogOptionsiRKSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS8_EE(ptr noundef nonnull align 8 dereferenceable(89) %0, i32 noundef %1, ptr noundef nonnull align 8 dereferenceable(24) %2) #3 {
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i64, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !9
  store ptr %2, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #4
  store i32 0, ptr %7, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #4
  store i32 0, ptr %8, align 4, !tbaa !9
  br label %10

10:                                               ; preds = %38, %3
  %11 = load i32, ptr %8, align 4, !tbaa !9
  %12 = load i32, ptr %5, align 4, !tbaa !9
  %13 = icmp slt i32 %11, %12
  br i1 %13, label %15, label %14

14:                                               ; preds = %10
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #4
  br label %41

15:                                               ; preds = %10
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #4
  %16 = load ptr, ptr %6, align 8, !tbaa !5
  %17 = load i32, ptr %8, align 4, !tbaa !9
  %18 = sext i32 %17 to i64
  %19 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNKSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %16, i64 noundef %18) #4
  %20 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4findEPKcm(ptr noundef nonnull align 8 dereferenceable(32) %19, ptr noundef @.str.111, i64 noundef 0) #4
  store i64 %20, ptr %9, align 8, !tbaa !11
  %21 = load i64, ptr %9, align 8, !tbaa !11
  %22 = icmp ne i64 %21, -1
  br i1 %22, label %23, label %37

23:                                               ; preds = %15
  %24 = load i32, ptr %7, align 4, !tbaa !9
  %25 = icmp eq i32 %24, 0
  br i1 %25, label %26, label %36

26:                                               ; preds = %23
  %27 = load ptr, ptr %4, align 8, !tbaa !5
  %28 = load ptr, ptr %6, align 8, !tbaa !5
  %29 = load i32, ptr %8, align 4, !tbaa !9
  %30 = sext i32 %29 to i64
  %31 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNKSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %28, i64 noundef %30) #4
  %32 = call noundef ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5c_strEv(ptr noundef nonnull align 8 dereferenceable(32) %31) #4
  %33 = load i64, ptr %9, align 8, !tbaa !11
  call void (ptr, i32, ptr, ...) @_Z11highsLogDevRK15HighsLogOptions12HighsLogTypePKcz(ptr noundef nonnull align 8 dereferenceable(89) %27, i32 noundef 1, ptr noundef @.str.112, ptr noundef %32, i64 noundef %33)
  %34 = load i32, ptr %7, align 4, !tbaa !9
  %35 = add nsw i32 %34, 1
  store i32 %35, ptr %7, align 4, !tbaa !9
  br label %36

36:                                               ; preds = %26, %23
  br label %37

37:                                               ; preds = %36, %15
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #4
  br label %38

38:                                               ; preds = %37
  %39 = load i32, ptr %8, align 4, !tbaa !9
  %40 = add nsw i32 %39, 1
  store i32 %40, ptr %8, align 4, !tbaa !9
  br label %10, !llvm.loop !13

41:                                               ; preds = %14
  %42 = load i32, ptr %7, align 4, !tbaa !9
  %43 = icmp ne i32 %42, 0
  br i1 %43, label %44, label %47

44:                                               ; preds = %41
  %45 = load ptr, ptr %4, align 8, !tbaa !5
  %46 = load i32, ptr %7, align 4, !tbaa !9
  call void (ptr, i32, ptr, ...) @_Z11highsLogDevRK15HighsLogOptions12HighsLogTypePKcz(ptr noundef nonnull align 8 dereferenceable(89) %45, i32 noundef 1, ptr noundef @.str.113, i32 noundef %46)
  br label %47

47:                                               ; preds = %44, %41
  %48 = load i32, ptr %7, align 4, !tbaa !9
  %49 = icmp sgt i32 %48, 0
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #4
  ret i1 %49
}

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4findEPKcm(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, i64 noundef) #2 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { "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 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 #3 = { 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 #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, !12, i64 0}
!12 = !{!"long", !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"

@.str.111 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.112 = external hidden unnamed_addr constant [53 x i8], align 1
@.str.113 = external hidden unnamed_addr constant [32 x i8], align 1

declare void @_Z11highsLogDevRK15HighsLogOptions12HighsLogTypePKcz(ptr noundef nonnull align 8 dereferenceable(89), i32 noundef, ptr noundef, ...) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5c_strEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(32) ptr @_ZNKSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_Z18hasNamesWithSpacesRK15HighsLogOptionsiRKSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS8_EE(ptr noundef nonnull align 8 dereferenceable(89) %0, i32 noundef %1, ptr noundef nonnull align 8 dereferenceable(24) %2) local_unnamed_addr #2 {
  %4 = icmp sgt i32 %1, 0
  br i1 %4, label %.lr.ph.preheader, label %._crit_edge.thread

.lr.ph.preheader:                                 ; preds = %3
  %wide.trip.count = zext nneg i32 %1 to i64
  br label %.lr.ph

._crit_edge:                                      ; preds = %12
  %.not = icmp eq i32 %.1, 0
  br i1 %.not, label %._crit_edge.thread, label %13

.lr.ph:                                           ; preds = %.lr.ph.preheader, %12
  %indvars.iv = phi i64 [ 0, %.lr.ph.preheader ], [ %indvars.iv.next, %12 ]
  %.019 = phi i32 [ 0, %.lr.ph.preheader ], [ %.1, %12 ]
  %5 = tail call noundef nonnull align 8 dereferenceable(32) ptr @_ZNKSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %indvars.iv) #3
  %6 = tail call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4findEPKcm(ptr noundef nonnull align 8 dereferenceable(32) %5, ptr noundef nonnull @.str.111, i64 noundef 0) #3
  %7 = icmp ne i64 %6, -1
  %8 = icmp eq i32 %.019, 0
  %or.cond = select i1 %7, i1 %8, i1 false
  br i1 %or.cond, label %9, label %12

9:                                                ; preds = %.lr.ph
  %10 = tail call noundef nonnull align 8 dereferenceable(32) ptr @_ZNKSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %indvars.iv) #3
  %11 = tail call noundef ptr @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE5c_strEv(ptr noundef nonnull align 8 dereferenceable(32) %10) #3
  tail call void (ptr, i32, ptr, ...) @_Z11highsLogDevRK15HighsLogOptions12HighsLogTypePKcz(ptr noundef nonnull align 8 dereferenceable(89) %0, i32 noundef 1, ptr noundef nonnull @.str.112, ptr noundef %11, i64 noundef %6)
  br label %12

12:                                               ; preds = %9, %.lr.ph
  %.1 = phi i32 [ 1, %9 ], [ %.019, %.lr.ph ]
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, %wide.trip.count
  br i1 %exitcond.not, label %._crit_edge, label %.lr.ph, !llvm.loop !5

13:                                               ; preds = %._crit_edge
  tail call void (ptr, i32, ptr, ...) @_Z11highsLogDevRK15HighsLogOptions12HighsLogTypePKcz(ptr noundef nonnull align 8 dereferenceable(89) %0, i32 noundef 1, ptr noundef nonnull @.str.113, i32 noundef 1)
  %14 = icmp sgt i32 %.1, 0
  br label %._crit_edge.thread

._crit_edge.thread:                               ; preds = %3, %13, %._crit_edge
  %.0.lcssa23 = phi i1 [ %14, %13 ], [ false, %._crit_edge ], [ false, %3 ]
  ret i1 %.0.lcssa23
}

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4findEPKcm(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, i64 noundef) local_unnamed_addr #1 align 2

attributes #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 = { 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 }

!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 = distinct !{!5, !6}
!6 = !{!"llvm.loop.mustprogress"}


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