; LLVM IR from ShahjalalShohag/code-library :: Math/Matrix Exponentiation With Polynomial Coefficients.ll (Z8multiplySt6vectorIiSaIiEES1_)

; 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" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = 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 }

@lim = external dso_local global i32, align 4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_Z10precomputei(i32 noundef) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z3nttRSt6vectorIiSaIiEEi(ptr noundef nonnull align 8 dereferenceable(24), i32 noundef) #2

; 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) #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z8multiplySt6vectorIiSaIiEES1_(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8 %0, ptr noundef %1, ptr noundef %2) #2 personality ptr @__gxx_personality_v0 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca i1, align 1
  %9 = alloca %"class.std::vector", align 8
  %10 = alloca ptr, align 8
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  store ptr %0, ptr %4, align 8
  store ptr %1, ptr %5, align 8, !tbaa !5
  store ptr %2, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #3
  %13 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %1) #3
  %14 = trunc i64 %13 to i32
  %15 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #3
  %16 = trunc i64 %15 to i32
  %17 = add nsw i32 %14, %16
  %18 = sub nsw i32 %17, 1
  store i32 %18, ptr %7, align 4, !tbaa !9
  %19 = load i32, ptr %7, align 4, !tbaa !9
  call void @_Z10precomputei(i32 noundef %19)
  store i1 false, ptr %8, align 1
  call void @_ZNSt6vectorIiSaIiEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(24) %1)
  call void @llvm.lifetime.start.p0(i64 24, ptr %9) #3
  invoke void @_ZNSt6vectorIiSaIiEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %9, ptr noundef nonnull align 8 dereferenceable(24) %2)
          to label %20 unwind label %34

20:                                               ; preds = %3
  %21 = load i32, ptr @lim, align 4, !tbaa !9
  %22 = sext i32 %21 to i64
  invoke void @_ZNSt6vectorIiSaIiEE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %22)
          to label %23 unwind label %38

23:                                               ; preds = %20
  %24 = load i32, ptr @lim, align 4, !tbaa !9
  %25 = sext i32 %24 to i64
  invoke void @_ZNSt6vectorIiSaIiEE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24) %9, i64 noundef %25)
          to label %26 unwind label %38

26:                                               ; preds = %23
  invoke void @_Z3nttRSt6vectorIiSaIiEEi(ptr noundef nonnull align 8 dereferenceable(24) %0, i32 noundef 1)
          to label %27 unwind label %38

27:                                               ; preds = %26
  invoke void @_Z3nttRSt6vectorIiSaIiEEi(ptr noundef nonnull align 8 dereferenceable(24) %9, i32 noundef 1)
          to label %28 unwind label %38

28:                                               ; preds = %27
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #3
  store i32 0, ptr %12, align 4, !tbaa !9
  br label %29

29:                                               ; preds = %59, %28
  %30 = load i32, ptr %12, align 4, !tbaa !9
  %31 = load i32, ptr @lim, align 4, !tbaa !9
  %32 = icmp slt i32 %30, %31
  br i1 %32, label %42, label %33

33:                                               ; preds = %29
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #3
  br label %62

34:                                               ; preds = %3
  %35 = landingpad { ptr, i32 }
          cleanup
  %36 = extractvalue { ptr, i32 } %35, 0
  store ptr %36, ptr %10, align 8
  %37 = extractvalue { ptr, i32 } %35, 1
  store i32 %37, ptr %11, align 4
  br label %65

38:                                               ; preds = %62, %27, %26, %23, %20
  %39 = landingpad { ptr, i32 }
          cleanup
  %40 = extractvalue { ptr, i32 } %39, 0
  store ptr %40, ptr %10, align 8
  %41 = extractvalue { ptr, i32 } %39, 1
  store i32 %41, ptr %11, align 4
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #3
  br label %65

42:                                               ; preds = %29
  %43 = load i32, ptr %12, align 4, !tbaa !9
  %44 = sext i32 %43 to i64
  %45 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %44) #3
  %46 = load i32, ptr %45, align 4, !tbaa !9
  %47 = sext i32 %46 to i64
  %48 = load i32, ptr %12, align 4, !tbaa !9
  %49 = sext i32 %48 to i64
  %50 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %9, i64 noundef %49) #3
  %51 = load i32, ptr %50, align 4, !tbaa !9
  %52 = sext i32 %51 to i64
  %53 = mul nsw i64 %47, %52
  %54 = srem i64 %53, 998244353
  %55 = trunc i64 %54 to i32
  %56 = load i32, ptr %12, align 4, !tbaa !9
  %57 = sext i32 %56 to i64
  %58 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %57) #3
  store i32 %55, ptr %58, align 4, !tbaa !9
  br label %59

59:                                               ; preds = %42
  %60 = load i32, ptr %12, align 4, !tbaa !9
  %61 = add nsw i32 %60, 1
  store i32 %61, ptr %12, align 4, !tbaa !9
  br label %29, !llvm.loop !11

62:                                               ; preds = %33
  invoke void @_Z3nttRSt6vectorIiSaIiEEi(ptr noundef nonnull align 8 dereferenceable(24) %0, i32 noundef 0)
          to label %63 unwind label %38

63:                                               ; preds = %62
  store i1 true, ptr %8, align 1
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr %9) #3
  %64 = load i1, ptr %8, align 1
  br i1 %64, label %67, label %66

65:                                               ; preds = %38, %34
  call void @llvm.lifetime.end.p0(i64 24, ptr %9) #3
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #3
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #3
  br label %68

66:                                               ; preds = %63
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #3
  br label %67

67:                                               ; preds = %66, %63
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #3
  ret void

68:                                               ; preds = %65
  %69 = load ptr, ptr %10, align 8
  %70 = load i32, ptr %11, align 4
  %71 = insertvalue { ptr, i32 } poison, ptr %69, 0
  %72 = insertvalue { ptr, i32 } %71, i32 %70, 1
  resume { ptr, i32 } %72
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

attributes #0 = { 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 #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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"}


; 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" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = 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 }

@lim = external dso_local local_unnamed_addr global i32, align 4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_Z10precomputei(i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z3nttRSt6vectorIiSaIiEEi(ptr noundef nonnull align 8 dereferenceable(24), i32 noundef) local_unnamed_addr #2

; 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 #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_Z8multiplySt6vectorIiSaIiEES1_(ptr dead_on_unwind noalias writable sret(%"class.std::vector") align 8 %0, ptr noundef nonnull %1, ptr noundef %2) local_unnamed_addr #2 personality ptr @__gxx_personality_v0 {
  %4 = alloca %"class.std::vector", align 8
  %5 = tail call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %1) #3
  %6 = trunc i64 %5 to i32
  %7 = tail call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #3
  %8 = trunc i64 %7 to i32
  %9 = add i32 %6, -1
  %10 = add i32 %9, %8
  tail call void @_Z10precomputei(i32 noundef %10)
  tail call void @_ZNSt6vectorIiSaIiEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(24) %1)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %4) #3
  invoke void @_ZNSt6vectorIiSaIiEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %4, ptr noundef nonnull align 8 dereferenceable(24) %2)
          to label %11 unwind label %21

11:                                               ; preds = %3
  %12 = load i32, ptr @lim, align 4, !tbaa !5
  %13 = sext i32 %12 to i64
  invoke void @_ZNSt6vectorIiSaIiEE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %13)
          to label %14 unwind label %23

14:                                               ; preds = %11
  %15 = load i32, ptr @lim, align 4, !tbaa !5
  %16 = sext i32 %15 to i64
  invoke void @_ZNSt6vectorIiSaIiEE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %16)
          to label %17 unwind label %23

17:                                               ; preds = %14
  invoke void @_Z3nttRSt6vectorIiSaIiEEi(ptr noundef nonnull align 8 dereferenceable(24) %0, i32 noundef 1)
          to label %18 unwind label %23

18:                                               ; preds = %17
  invoke void @_Z3nttRSt6vectorIiSaIiEEi(ptr noundef nonnull align 8 dereferenceable(24) %4, i32 noundef 1)
          to label %.preheader unwind label %23

.preheader:                                       ; preds = %18
  %19 = load i32, ptr @lim, align 4, !tbaa !5
  %20 = icmp sgt i32 %19, 0
  br i1 %20, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %.preheader
  invoke void @_Z3nttRSt6vectorIiSaIiEEi(ptr noundef nonnull align 8 dereferenceable(24) %0, i32 noundef 0)
          to label %38 unwind label %23

21:                                               ; preds = %3
  %22 = landingpad { ptr, i32 }
          cleanup
  br label %39

23:                                               ; preds = %._crit_edge, %18, %17, %14, %11
  %24 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #3
  br label %39

.lr.ph:                                           ; preds = %.preheader, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %.preheader ]
  %25 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %indvars.iv) #3
  %26 = load i32, ptr %25, align 4, !tbaa !5
  %27 = sext i32 %26 to i64
  %28 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %indvars.iv) #3
  %29 = load i32, ptr %28, align 4, !tbaa !5
  %30 = sext i32 %29 to i64
  %31 = mul nsw i64 %30, %27
  %32 = srem i64 %31, 998244353
  %33 = trunc nsw i64 %32 to i32
  %34 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %indvars.iv) #3
  store i32 %33, ptr %34, align 4, !tbaa !5
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %35 = load i32, ptr @lim, align 4, !tbaa !5
  %36 = sext i32 %35 to i64
  %37 = icmp slt i64 %indvars.iv.next, %36
  br i1 %37, label %.lr.ph, label %._crit_edge, !llvm.loop !9

38:                                               ; preds = %._crit_edge
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #3
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #3
  ret void

39:                                               ; preds = %23, %21
  %.pn = phi { ptr, i32 } [ %24, %23 ], [ %22, %21 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #3
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) #3
  resume { ptr, i32 } %.pn
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2ERKS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE6resizeEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

attributes #0 = { 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 #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass