; LLVM IR from dholzmueller/sfcpp :: src/sfc/SFCTypeDefinitions.ll (ZN5sfcpp3sfc6equalsERKSt6vectorImSaImEES5_)

; 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"

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef zeroext i1 @_ZN5sfcpp3sfc6equalsERKSt6vectorImSaImEES5_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(24) %1) #0 {
  %3 = alloca i1, align 1
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i64, align 8
  %7 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  %8 = load ptr, ptr %4, align 8, !tbaa !5
  %9 = call noundef i64 @_ZNKSt6vectorImSaImEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %8) #2
  %10 = load ptr, ptr %5, align 8, !tbaa !5
  %11 = call noundef i64 @_ZNKSt6vectorImSaImEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %10) #2
  %12 = icmp ne i64 %9, %11
  br i1 %12, label %13, label %14

13:                                               ; preds = %2
  store i1 false, ptr %3, align 1
  br label %39

14:                                               ; preds = %2
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #2
  store i64 0, ptr %6, align 8, !tbaa !9
  br label %15

15:                                               ; preds = %33, %14
  %16 = load i64, ptr %6, align 8, !tbaa !9
  %17 = load ptr, ptr %4, align 8, !tbaa !5
  %18 = call noundef i64 @_ZNKSt6vectorImSaImEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %17) #2
  %19 = icmp ult i64 %16, %18
  br i1 %19, label %21, label %20

20:                                               ; preds = %15
  store i32 2, ptr %7, align 4
  br label %36

21:                                               ; preds = %15
  %22 = load ptr, ptr %4, align 8, !tbaa !5
  %23 = load i64, ptr %6, align 8, !tbaa !9
  %24 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt6vectorImSaImEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %22, i64 noundef %23) #2
  %25 = load i64, ptr %24, align 8, !tbaa !9
  %26 = load ptr, ptr %5, align 8, !tbaa !5
  %27 = load i64, ptr %6, align 8, !tbaa !9
  %28 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt6vectorImSaImEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %26, i64 noundef %27) #2
  %29 = load i64, ptr %28, align 8, !tbaa !9
  %30 = icmp ne i64 %25, %29
  br i1 %30, label %31, label %32

31:                                               ; preds = %21
  store i1 false, ptr %3, align 1
  store i32 1, ptr %7, align 4
  br label %36

32:                                               ; preds = %21
  br label %33

33:                                               ; preds = %32
  %34 = load i64, ptr %6, align 8, !tbaa !9
  %35 = add i64 %34, 1
  store i64 %35, ptr %6, align 8, !tbaa !9
  br label %15, !llvm.loop !11

36:                                               ; preds = %31, %20
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #2
  %37 = load i32, ptr %7, align 4
  switch i32 %37, label %41 [
    i32 2, label %38
    i32 1, label %39
  ]

38:                                               ; preds = %36
  store i1 true, ptr %3, align 1
  br label %39

39:                                               ; preds = %38, %36, %13
  %40 = load i1, ptr %3, align 1
  ret i1 %40

41:                                               ; preds = %36
  unreachable
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorImSaImEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt6vectorImSaImEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #0 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 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 = { 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", !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"

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef zeroext i1 @_ZN5sfcpp3sfc6equalsERKSt6vectorImSaImEES5_(ptr noundef nonnull align 8 dereferenceable(24) %0, ptr noundef nonnull align 8 dereferenceable(24) %1) local_unnamed_addr #0 {
  %3 = tail call noundef i64 @_ZNKSt6vectorImSaImEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #1
  %4 = tail call noundef i64 @_ZNKSt6vectorImSaImEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %1) #1
  %.not = icmp eq i64 %3, %4
  br i1 %.not, label %.preheader, label %.loopexit

.preheader:                                       ; preds = %2
  %5 = tail call noundef i64 @_ZNKSt6vectorImSaImEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #1
  %6 = icmp eq i64 %5, 0
  br i1 %6, label %.loopexit, label %.lr.ph

7:                                                ; preds = %.lr.ph
  %8 = add nuw i64 %.01013, 1
  %9 = tail call noundef i64 @_ZNKSt6vectorImSaImEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %0) #1
  %.not16 = icmp ult i64 %8, %9
  br i1 %.not16, label %.lr.ph, label %.loopexit, !llvm.loop !5

.lr.ph:                                           ; preds = %.preheader, %7
  %.01013 = phi i64 [ %8, %7 ], [ 0, %.preheader ]
  %10 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt6vectorImSaImEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %0, i64 noundef %.01013) #1
  %11 = load i64, ptr %10, align 8, !tbaa !7
  %12 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt6vectorImSaImEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %.01013) #1
  %13 = load i64, ptr %12, align 8, !tbaa !7
  %.not12 = icmp eq i64 %11, %13
  br i1 %.not12, label %7, label %.loopexit

.loopexit:                                        ; preds = %.lr.ph, %7, %.preheader, %2
  %.1 = phi i1 [ false, %2 ], [ true, %.preheader ], [ %.not12, %7 ], [ %.not12, %.lr.ph ]
  ret i1 %.1
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorImSaImEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt6vectorImSaImEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_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 = { 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"}
!7 = !{!8, !8, i64 0}
!8 = !{!"long", !9, i64 0}
!9 = !{!"omnipotent char", !10, i64 0}
!10 = !{!"Simple C++ TBAA"}


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