; LLVM IR from abhisheknaiidu/dsa :: DSA/Graphs/search-maze.ll (Z4rollRSt6vectorIS_IiSaIiEESaIS1_EES1_S1_)

; 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::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = 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 }
%"class.std::initializer_list.5" = type { ptr, i64 }
%"class.std::allocator.2" = type { i8 }

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2ESt16initializer_listIiERKS0_(ptr noundef nonnull align 8 dereferenceable(24), ptr, i64, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

declare i32 @__gxx_personality_v0(...)

; 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 void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_Z7canRollRSt6vectorIS_IiSaIiEESaIS1_EEii(ptr noundef nonnull align 8 dereferenceable(24), i32 noundef, i32 noundef) #1

; 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 @_Z4rollRSt6vectorIS_IiSaIiEESaIS1_EES1_S1_(ptr dead_on_unwind noalias writable sret(%"class.std::vector.0") align 8 %0, ptr noundef nonnull align 8 dereferenceable(24) %1, ptr noundef %2, ptr noundef %3) #2 personality ptr @__gxx_personality_v0 {
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca %"class.std::initializer_list.5", align 8
  %12 = alloca [2 x i32], align 4
  %13 = alloca %"class.std::allocator.2", align 1
  %14 = alloca ptr, align 8
  %15 = alloca i32, align 4
  store ptr %0, ptr %5, align 8
  store ptr %1, ptr %6, align 8, !tbaa !5
  store ptr %2, ptr %7, align 8, !tbaa !5
  store ptr %3, ptr %8, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #3
  %16 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef 0) #3
  %17 = load i32, ptr %16, align 4, !tbaa !9
  store i32 %17, ptr %9, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #3
  %18 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef 1) #3
  %19 = load i32, ptr %18, align 4, !tbaa !9
  store i32 %19, ptr %10, align 4, !tbaa !9
  br label %20

20:                                               ; preds = %31, %4
  %21 = load ptr, ptr %6, align 8, !tbaa !5
  %22 = load i32, ptr %9, align 4, !tbaa !9
  %23 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef 0) #3
  %24 = load i32, ptr %23, align 4, !tbaa !9
  %25 = add nsw i32 %22, %24
  %26 = load i32, ptr %10, align 4, !tbaa !9
  %27 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef 1) #3
  %28 = load i32, ptr %27, align 4, !tbaa !9
  %29 = add nsw i32 %26, %28
  %30 = call noundef zeroext i1 @_Z7canRollRSt6vectorIS_IiSaIiEESaIS1_EEii(ptr noundef nonnull align 8 dereferenceable(24) %21, i32 noundef %25, i32 noundef %29)
  br i1 %30, label %31, label %40

31:                                               ; preds = %20
  %32 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef 0) #3
  %33 = load i32, ptr %32, align 4, !tbaa !9
  %34 = load i32, ptr %9, align 4, !tbaa !9
  %35 = add nsw i32 %34, %33
  store i32 %35, ptr %9, align 4, !tbaa !9
  %36 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef 1) #3
  %37 = load i32, ptr %36, align 4, !tbaa !9
  %38 = load i32, ptr %10, align 4, !tbaa !9
  %39 = add nsw i32 %38, %37
  store i32 %39, ptr %10, align 4, !tbaa !9
  br label %20, !llvm.loop !11

40:                                               ; preds = %20
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #3
  %41 = load i32, ptr %9, align 4, !tbaa !9
  store i32 %41, ptr %12, align 4, !tbaa !9
  %42 = getelementptr inbounds i32, ptr %12, i64 1
  %43 = load i32, ptr %10, align 4, !tbaa !9
  store i32 %43, ptr %42, align 4, !tbaa !9
  %44 = getelementptr inbounds %"class.std::initializer_list.5", ptr %11, i32 0, i32 0
  store ptr %12, ptr %44, align 8, !tbaa !13
  %45 = getelementptr inbounds %"class.std::initializer_list.5", ptr %11, i32 0, i32 1
  store i64 2, ptr %45, align 8, !tbaa !16
  call void @llvm.lifetime.start.p0(i64 1, ptr %13) #3
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %13) #3
  %46 = getelementptr inbounds { ptr, i64 }, ptr %11, i32 0, i32 0
  %47 = load ptr, ptr %46, align 8
  %48 = getelementptr inbounds { ptr, i64 }, ptr %11, i32 0, i32 1
  %49 = load i64, ptr %48, align 8
  invoke void @_ZNSt6vectorIiSaIiEEC2ESt16initializer_listIiERKS0_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr %47, i64 %49, ptr noundef nonnull align 1 dereferenceable(1) %13)
          to label %50 unwind label %51

50:                                               ; preds = %40
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %13) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %13) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #3
  ret void

51:                                               ; preds = %40
  %52 = landingpad { ptr, i32 }
          cleanup
  %53 = extractvalue { ptr, i32 } %52, 0
  store ptr %53, ptr %14, align 8
  %54 = extractvalue { ptr, i32 } %52, 1
  store i32 %54, ptr %15, align 4
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %13) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %13) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #3
  br label %55

55:                                               ; preds = %51
  %56 = load ptr, ptr %14, align 8
  %57 = load i32, ptr %15, align 4
  %58 = insertvalue { ptr, i32 } poison, ptr %56, 0
  %59 = insertvalue { ptr, i32 } %58, i32 %57, 1
  resume { ptr, i32 } %59
}

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 }

!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 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = !{!14, !6, i64 0}
!14 = !{!"_ZTSSt16initializer_listIiE", !6, i64 0, !15, i64 8}
!15 = !{!"long", !7, i64 0}
!16 = !{!14, !15, i64 8}


; 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::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = 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 }
%"class.std::allocator.2" = type { i8 }

; 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 nounwind uwtable
declare dso_local void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2ESt16initializer_listIiERKS0_(ptr noundef nonnull align 8 dereferenceable(24), ptr, i64, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

declare i32 @__gxx_personality_v0(...)

; 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 void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_Z7canRollRSt6vectorIS_IiSaIiEESaIS1_EEii(ptr noundef nonnull align 8 dereferenceable(24), i32 noundef, i32 noundef) local_unnamed_addr #1

; 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 @_Z4rollRSt6vectorIS_IiSaIiEESaIS1_EES1_S1_(ptr dead_on_unwind noalias writable sret(%"class.std::vector.0") align 8 %0, ptr noundef nonnull align 8 dereferenceable(24) %1, ptr noundef nonnull %2, ptr noundef %3) local_unnamed_addr #2 personality ptr @__gxx_personality_v0 {
  %5 = alloca [2 x i32], align 4
  %6 = alloca %"class.std::allocator.2", align 1
  %7 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef 0) #3
  %8 = load i32, ptr %7, align 4, !tbaa !5
  %9 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef 1) #3
  %10 = load i32, ptr %9, align 4, !tbaa !5
  %11 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef 0) #3
  %12 = load i32, ptr %11, align 4, !tbaa !5
  %13 = add nsw i32 %12, %8
  %14 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef 1) #3
  %15 = load i32, ptr %14, align 4, !tbaa !5
  %16 = add nsw i32 %15, %10
  %17 = tail call noundef zeroext i1 @_Z7canRollRSt6vectorIS_IiSaIiEESaIS1_EEii(ptr noundef nonnull align 8 dereferenceable(24) %1, i32 noundef %13, i32 noundef %16)
  br i1 %17, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %4, %.lr.ph
  %.010 = phi i32 [ %20, %.lr.ph ], [ %8, %4 ]
  %.089 = phi i32 [ %23, %.lr.ph ], [ %10, %4 ]
  %18 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef 0) #3
  %19 = load i32, ptr %18, align 4, !tbaa !5
  %20 = add nsw i32 %19, %.010
  %21 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef 1) #3
  %22 = load i32, ptr %21, align 4, !tbaa !5
  %23 = add nsw i32 %22, %.089
  %24 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef 0) #3
  %25 = load i32, ptr %24, align 4, !tbaa !5
  %26 = add nsw i32 %25, %20
  %27 = tail call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef 1) #3
  %28 = load i32, ptr %27, align 4, !tbaa !5
  %29 = add nsw i32 %28, %23
  %30 = tail call noundef zeroext i1 @_Z7canRollRSt6vectorIS_IiSaIiEESaIS1_EEii(ptr noundef nonnull align 8 dereferenceable(24) %1, i32 noundef %26, i32 noundef %29)
  br i1 %30, label %.lr.ph, label %._crit_edge, !llvm.loop !9

._crit_edge:                                      ; preds = %.lr.ph, %4
  %.08.lcssa = phi i32 [ %10, %4 ], [ %23, %.lr.ph ]
  %.0.lcssa = phi i32 [ %8, %4 ], [ %20, %.lr.ph ]
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #3
  store i32 %.0.lcssa, ptr %5, align 4, !tbaa !5
  %31 = getelementptr inbounds i8, ptr %5, i64 4
  store i32 %.08.lcssa, ptr %31, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %6) #3
  call void @_ZNSaIiEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #3
  invoke void @_ZNSt6vectorIiSaIiEEC2ESt16initializer_listIiERKS0_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr nonnull %5, i64 2, ptr noundef nonnull align 1 dereferenceable(1) %6)
          to label %32 unwind label %33

32:                                               ; preds = %._crit_edge
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %6) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #3
  ret void

33:                                               ; preds = %._crit_edge
  %34 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIiED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %6) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #3
  resume { ptr, i32 } %34
}

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 }

!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 = !{!"int", !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,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass