; LLVM IR from specinfo-ua/UAPKI :: library/uapki/src/store-json.ll (ZN7UapkiNS10Pagination10calcParamsEv)

; 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"

%"struct.UapkiNS::Pagination" = type { i64, i64, i64, i64 }

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN7UapkiNS10Pagination10calcParamsEv(ptr noundef nonnull align 8 dereferenceable(32) %0) #0 align 2 {
  %2 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %3 = load ptr, ptr %2, align 8
  %4 = getelementptr inbounds %"struct.UapkiNS::Pagination", ptr %3, i32 0, i32 1
  %5 = load i64, ptr %4, align 8, !tbaa !9
  %6 = getelementptr inbounds %"struct.UapkiNS::Pagination", ptr %3, i32 0, i32 0
  %7 = load i64, ptr %6, align 8, !tbaa !12
  %8 = icmp ult i64 %5, %7
  br i1 %8, label %9, label %12

9:                                                ; preds = %1
  %10 = getelementptr inbounds %"struct.UapkiNS::Pagination", ptr %3, i32 0, i32 1
  %11 = load i64, ptr %10, align 8, !tbaa !9
  br label %15

12:                                               ; preds = %1
  %13 = getelementptr inbounds %"struct.UapkiNS::Pagination", ptr %3, i32 0, i32 0
  %14 = load i64, ptr %13, align 8, !tbaa !12
  br label %15

15:                                               ; preds = %12, %9
  %16 = phi i64 [ %11, %9 ], [ %14, %12 ]
  %17 = getelementptr inbounds %"struct.UapkiNS::Pagination", ptr %3, i32 0, i32 1
  store i64 %16, ptr %17, align 8, !tbaa !9
  %18 = getelementptr inbounds %"struct.UapkiNS::Pagination", ptr %3, i32 0, i32 3
  %19 = load i64, ptr %18, align 8, !tbaa !13
  %20 = icmp eq i64 %19, 0
  br i1 %20, label %21, label %27

21:                                               ; preds = %15
  %22 = getelementptr inbounds %"struct.UapkiNS::Pagination", ptr %3, i32 0, i32 0
  %23 = load i64, ptr %22, align 8, !tbaa !12
  %24 = getelementptr inbounds %"struct.UapkiNS::Pagination", ptr %3, i32 0, i32 1
  %25 = load i64, ptr %24, align 8, !tbaa !9
  %26 = sub i64 %23, %25
  br label %30

27:                                               ; preds = %15
  %28 = getelementptr inbounds %"struct.UapkiNS::Pagination", ptr %3, i32 0, i32 3
  %29 = load i64, ptr %28, align 8, !tbaa !13
  br label %30

30:                                               ; preds = %27, %21
  %31 = phi i64 [ %26, %21 ], [ %29, %27 ]
  %32 = getelementptr inbounds %"struct.UapkiNS::Pagination", ptr %3, i32 0, i32 3
  store i64 %31, ptr %32, align 8, !tbaa !13
  %33 = getelementptr inbounds %"struct.UapkiNS::Pagination", ptr %3, i32 0, i32 3
  %34 = load i64, ptr %33, align 8, !tbaa !13
  %35 = icmp eq i64 %34, 0
  br i1 %35, label %36, label %38

36:                                               ; preds = %30
  %37 = getelementptr inbounds %"struct.UapkiNS::Pagination", ptr %3, i32 0, i32 3
  store i64 1, ptr %37, align 8, !tbaa !13
  br label %38

38:                                               ; preds = %36, %30
  %39 = getelementptr inbounds %"struct.UapkiNS::Pagination", ptr %3, i32 0, i32 1
  %40 = load i64, ptr %39, align 8, !tbaa !9
  %41 = getelementptr inbounds %"struct.UapkiNS::Pagination", ptr %3, i32 0, i32 3
  %42 = load i64, ptr %41, align 8, !tbaa !13
  %43 = add i64 %40, %42
  %44 = getelementptr inbounds %"struct.UapkiNS::Pagination", ptr %3, i32 0, i32 2
  store i64 %43, ptr %44, align 8, !tbaa !14
  %45 = getelementptr inbounds %"struct.UapkiNS::Pagination", ptr %3, i32 0, i32 2
  %46 = load i64, ptr %45, align 8, !tbaa !14
  %47 = getelementptr inbounds %"struct.UapkiNS::Pagination", ptr %3, i32 0, i32 0
  %48 = load i64, ptr %47, align 8, !tbaa !12
  %49 = icmp ult i64 %46, %48
  br i1 %49, label %50, label %53

50:                                               ; preds = %38
  %51 = getelementptr inbounds %"struct.UapkiNS::Pagination", ptr %3, i32 0, i32 2
  %52 = load i64, ptr %51, align 8, !tbaa !14
  br label %56

53:                                               ; preds = %38
  %54 = getelementptr inbounds %"struct.UapkiNS::Pagination", ptr %3, i32 0, i32 0
  %55 = load i64, ptr %54, align 8, !tbaa !12
  br label %56

56:                                               ; preds = %53, %50
  %57 = phi i64 [ %52, %50 ], [ %55, %53 ]
  %58 = getelementptr inbounds %"struct.UapkiNS::Pagination", ptr %3, i32 0, i32 2
  store i64 %57, ptr %58, align 8, !tbaa !14
  ret void
}

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" }

!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, !11, i64 8}
!10 = !{!"_ZTSN7UapkiNS10PaginationE", !11, i64 0, !11, i64 8, !11, i64 16, !11, i64 24}
!11 = !{!"long", !7, i64 0}
!12 = !{!10, !11, i64 0}
!13 = !{!10, !11, i64 24}
!14 = !{!10, !11, i64 16}


; 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: readwrite) uwtable
define dso_local void @_ZN7UapkiNS10Pagination10calcParamsEv(ptr nocapture noundef nonnull align 8 dereferenceable(32) %0) local_unnamed_addr #0 align 2 {
  %2 = getelementptr inbounds i8, ptr %0, i64 8
  %3 = load i64, ptr %2, align 8, !tbaa !5
  %4 = load i64, ptr %0, align 8
  %. = tail call i64 @llvm.umin.i64(i64 %3, i64 %4)
  store i64 %., ptr %2, align 8, !tbaa !5
  %5 = getelementptr inbounds i8, ptr %0, i64 24
  %6 = load i64, ptr %5, align 8, !tbaa !10
  %7 = icmp eq i64 %6, 0
  %8 = sub i64 %4, %.
  %9 = select i1 %7, i64 %8, i64 %6
  %storemerge = tail call i64 @llvm.umax.i64(i64 %9, i64 1)
  store i64 %storemerge, ptr %5, align 8, !tbaa !10
  %10 = add i64 %storemerge, %.
  %11 = getelementptr inbounds i8, ptr %0, i64 16
  %12 = tail call i64 @llvm.umin.i64(i64 %10, i64 %4)
  store i64 %12, ptr %11, align 8, !tbaa !11
  ret void
}

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i64 @llvm.umin.i64(i64, i64) #1

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i64 @llvm.umax.i64(i64, i64) #1

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: readwrite) 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 speculatable willreturn memory(none) }

!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, !7, i64 8}
!6 = !{!"_ZTSN7UapkiNS10PaginationE", !7, i64 0, !7, i64 8, !7, i64 16, !7, i64 24}
!7 = !{!"long", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!6, !7, i64 24}
!11 = !{!6, !7, i64 16}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InstCombinePass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass,TailCallElimPass