; LLVM IR from NervanaSystems/ngraph :: src/ngraph/pattern (matcher)

; 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
declare dso_local noundef i64 @_ZNKSt6vectorIN6ngraph6OutputINS0_4NodeEEESaIS3_EE4sizeEv(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: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_ZN6ngraph7pattern7Matcher17match_permutationERKSt6vectorINS_6OutputINS_4NodeEEESaIS5_EES9_(ptr noundef nonnull align 8 dereferenceable(185) %0, ptr noundef nonnull align 8 dereferenceable(24) %1, ptr noundef nonnull align 8 dereferenceable(24) %2) #2 align 2 {
  %4 = alloca i1, align 1
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca i64, align 8
  %9 = alloca i32, align 4
  store ptr %0, ptr %5, align 8, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !5
  store ptr %2, ptr %7, align 8, !tbaa !5
  %10 = load ptr, ptr %5, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #3
  store i64 0, ptr %8, align 8, !tbaa !9
  br label %11

11:                                               ; preds = %30, %3
  %12 = load i64, ptr %8, align 8, !tbaa !9
  %13 = load ptr, ptr %7, align 8, !tbaa !5
  %14 = call noundef i64 @_ZNKSt6vectorIN6ngraph6OutputINS0_4NodeEEESaIS3_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %13) #3
  %15 = icmp ult i64 %12, %14
  br i1 %15, label %17, label %16

16:                                               ; preds = %11
  store i32 2, ptr %9, align 4
  br label %33

17:                                               ; preds = %11
  %18 = load ptr, ptr %6, align 8, !tbaa !5
  %19 = load i64, ptr %8, align 8, !tbaa !9
  %20 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNKSt6vectorIN6ngraph6OutputINS0_4NodeEEESaIS3_EE2atEm(ptr noundef nonnull align 8 dereferenceable(24) %18, i64 noundef %19)
  %21 = load ptr, ptr %7, align 8, !tbaa !5
  %22 = load i64, ptr %8, align 8, !tbaa !9
  %23 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNKSt6vectorIN6ngraph6OutputINS0_4NodeEEESaIS3_EE2atEm(ptr noundef nonnull align 8 dereferenceable(24) %21, i64 noundef %22)
  %24 = load ptr, ptr %10, align 8, !tbaa !11
  %25 = getelementptr inbounds ptr, ptr %24, i64 2
  %26 = load ptr, ptr %25, align 8
  %27 = call noundef zeroext i1 %26(ptr noundef nonnull align 8 dereferenceable(185) %10, ptr noundef nonnull align 8 dereferenceable(24) %20, ptr noundef nonnull align 8 dereferenceable(24) %23)
  br i1 %27, label %29, label %28

28:                                               ; preds = %17
  store i1 false, ptr %4, align 1
  store i32 1, ptr %9, align 4
  br label %33

29:                                               ; preds = %17
  br label %30

30:                                               ; preds = %29
  %31 = load i64, ptr %8, align 8, !tbaa !9
  %32 = add i64 %31, 1
  store i64 %32, ptr %8, align 8, !tbaa !9
  br label %11, !llvm.loop !13

33:                                               ; preds = %28, %16
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #3
  %34 = load i32, ptr %9, align 4
  switch i32 %34, label %38 [
    i32 2, label %35
    i32 1, label %36
  ]

35:                                               ; preds = %33
  store i1 true, ptr %4, align 1
  br label %36

36:                                               ; preds = %35, %33
  %37 = load i1, ptr %4, align 1
  ret i1 %37

38:                                               ; preds = %33
  unreachable
}

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNKSt6vectorIN6ngraph6OutputINS0_4NodeEEESaIS3_EE2atEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 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 = !{!"long", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"vtable pointer", !8, 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 nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIN6ngraph6OutputINS0_4NodeEEESaIS3_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_ZN6ngraph7pattern7Matcher17match_permutationERKSt6vectorINS_6OutputINS_4NodeEEESaIS5_EES9_(ptr noundef nonnull align 8 dereferenceable(185) %0, ptr noundef nonnull align 8 dereferenceable(24) %1, ptr noundef nonnull align 8 dereferenceable(24) %2) local_unnamed_addr #1 align 2 {
  %4 = tail call noundef i64 @_ZNKSt6vectorIN6ngraph6OutputINS0_4NodeEEESaIS3_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #2
  %5 = icmp eq i64 %4, 0
  br i1 %5, label %._crit_edge, label %.lr.ph

6:                                                ; preds = %.lr.ph
  %7 = add nuw i64 %.0911, 1
  %8 = tail call noundef i64 @_ZNKSt6vectorIN6ngraph6OutputINS0_4NodeEEESaIS3_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #2
  %.not = icmp ult i64 %7, %8
  br i1 %.not, label %.lr.ph, label %._crit_edge, !llvm.loop !5

.lr.ph:                                           ; preds = %3, %6
  %.0911 = phi i64 [ %7, %6 ], [ 0, %3 ]
  %9 = tail call noundef nonnull align 8 dereferenceable(24) ptr @_ZNKSt6vectorIN6ngraph6OutputINS0_4NodeEEESaIS3_EE2atEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %.0911)
  %10 = tail call noundef nonnull align 8 dereferenceable(24) ptr @_ZNKSt6vectorIN6ngraph6OutputINS0_4NodeEEESaIS3_EE2atEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %.0911)
  %11 = load ptr, ptr %0, align 8, !tbaa !7
  %12 = getelementptr inbounds i8, ptr %11, i64 16
  %13 = load ptr, ptr %12, align 8
  %14 = tail call noundef zeroext i1 %13(ptr noundef nonnull align 8 dereferenceable(185) %0, ptr noundef nonnull align 8 dereferenceable(24) %9, ptr noundef nonnull align 8 dereferenceable(24) %10)
  br i1 %14, label %6, label %._crit_edge

._crit_edge:                                      ; preds = %6, %.lr.ph, %3
  %.lcssa = phi i1 [ true, %3 ], [ %14, %.lr.ph ], [ %14, %6 ]
  ret i1 %.lcssa
}

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNKSt6vectorIN6ngraph6OutputINS0_4NodeEEESaIS3_EE2atEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #1 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 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 = { 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 = !{!"vtable pointer", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}


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