; LLVM IR from Mohammed-Shoaib/Coding-Problems :: CodeChef/Easy/E0083.ll (Z21threeDifferentNumbersRSt6vectorIxSaIxEE)

; 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.__gnu_cxx::__normal_iterator" = type { ptr }

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_Z21threeDifferentNumbersRSt6vectorIxSaIxEE(ptr noundef nonnull align 8 dereferenceable(24) %0) #0 {
  %2 = alloca ptr, align 8
  %3 = alloca i64, align 8
  %4 = alloca i32, align 4
  %5 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %6 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %7 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #4
  store i64 1, ptr %3, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #4
  store i32 1000000007, ptr %4, align 4, !tbaa !11
  %8 = load ptr, ptr %2, align 8, !tbaa !5
  %9 = call ptr @_ZNSt6vectorIxSaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %8) #4
  %10 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %5, i32 0, i32 0
  store ptr %9, ptr %10, align 8
  %11 = load ptr, ptr %2, align 8, !tbaa !5
  %12 = call ptr @_ZNSt6vectorIxSaIxEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %11) #4
  %13 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %6, i32 0, i32 0
  store ptr %12, ptr %13, align 8
  %14 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %5, i32 0, i32 0
  %15 = load ptr, ptr %14, align 8
  %16 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %6, i32 0, i32 0
  %17 = load ptr, ptr %16, align 8
  call void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEEEvT_S7_(ptr %15, ptr %17)
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #4
  store i32 0, ptr %7, align 4, !tbaa !11
  br label %18

18:                                               ; preds = %43, %1
  %19 = load i32, ptr %7, align 4, !tbaa !11
  %20 = sext i32 %19 to i64
  %21 = load ptr, ptr %2, align 8, !tbaa !5
  %22 = call noundef i64 @_ZNKSt6vectorIxSaIxEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %21) #4
  %23 = icmp ult i64 %20, %22
  br i1 %23, label %25, label %24

24:                                               ; preds = %18
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #4
  br label %46

25:                                               ; preds = %18
  %26 = load ptr, ptr %2, align 8, !tbaa !5
  %27 = load i32, ptr %7, align 4, !tbaa !11
  %28 = sext i32 %27 to i64
  %29 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %26, i64 noundef %28) #4
  %30 = load i64, ptr %29, align 8, !tbaa !9
  %31 = load i32, ptr %7, align 4, !tbaa !11
  %32 = sext i32 %31 to i64
  %33 = sub nsw i64 %30, %32
  %34 = load i32, ptr %4, align 4, !tbaa !11
  %35 = sext i32 %34 to i64
  %36 = srem i64 %33, %35
  %37 = load i64, ptr %3, align 8, !tbaa !9
  %38 = mul nsw i64 %37, %36
  store i64 %38, ptr %3, align 8, !tbaa !9
  %39 = load i32, ptr %4, align 4, !tbaa !11
  %40 = sext i32 %39 to i64
  %41 = load i64, ptr %3, align 8, !tbaa !9
  %42 = srem i64 %41, %40
  store i64 %42, ptr %3, align 8, !tbaa !9
  br label %43

43:                                               ; preds = %25
  %44 = load i32, ptr %7, align 4, !tbaa !11
  %45 = add nsw i32 %44, 1
  store i32 %45, ptr %7, align 4, !tbaa !11
  br label %18, !llvm.loop !13

46:                                               ; preds = %24
  %47 = load i64, ptr %3, align 8, !tbaa !9
  %48 = trunc i64 %47 to i32
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #4
  ret i32 %48
}

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

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEEEvT_S7_(ptr, ptr) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIxSaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIxSaIxEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIxSaIxEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #3 align 2

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

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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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 = !{!"long long", !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 uwtable
define dso_local noundef range(i32 -1000000006, 1000000007) i32 @_Z21threeDifferentNumbersRSt6vectorIxSaIxEE(ptr noundef nonnull align 8 dereferenceable(24) %0) local_unnamed_addr #0 {
  %2 = tail call ptr @_ZNSt6vectorIxSaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #3
  %3 = tail call ptr @_ZNSt6vectorIxSaIxEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #3
  tail call void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEEEvT_S7_(ptr %2, ptr %3)
  %4 = tail call noundef i64 @_ZNKSt6vectorIxSaIxEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #3
  %.not = icmp eq i64 %4, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph

._crit_edge.loopexit:                             ; preds = %.lr.ph
  %5 = trunc nsw i64 %11 to i32
  br label %._crit_edge

._crit_edge:                                      ; preds = %._crit_edge.loopexit, %1
  %.013.lcssa = phi i32 [ 1, %1 ], [ %5, %._crit_edge.loopexit ]
  ret i32 %.013.lcssa

.lr.ph:                                           ; preds = %1, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %1 ]
  %.01315 = phi i64 [ %11, %.lr.ph ], [ 1, %1 ]
  %6 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %indvars.iv) #3
  %7 = load i64, ptr %6, align 8, !tbaa !5
  %8 = sub nsw i64 %7, %indvars.iv
  %9 = srem i64 %8, 1000000007
  %10 = mul nsw i64 %9, %.01315
  %11 = srem i64 %10, 1000000007
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %12 = tail call noundef i64 @_ZNKSt6vectorIxSaIxEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #3
  %13 = icmp ugt i64 %12, %indvars.iv.next
  br i1 %13, label %.lr.ph, label %._crit_edge.loopexit, !llvm.loop !9
}

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEEEvT_S7_(ptr, ptr) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIxSaIxEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIxSaIxEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIxSaIxEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) 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 = { 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 = { 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 = !{!"long long", !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,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,LCSSAPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass