; LLVM IR from PaddlePaddle/Paddle :: paddle/common/ddim.ll (ZN6common19contain_unknown_dimERKNS_4DDimE)

; 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: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZNK6common4DDim4sizeEv(ptr noundef nonnull align 8 dereferenceable(76)) #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_ZN6common19contain_unknown_dimERKNS_4DDimE(ptr noundef nonnull align 8 dereferenceable(76) %0) #2 {
  %2 = alloca i1, align 1
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #4
  store i32 0, ptr %4, align 4, !tbaa !9
  br label %6

6:                                                ; preds = %19, %1
  %7 = load i32, ptr %4, align 4, !tbaa !9
  %8 = load ptr, ptr %3, align 8, !tbaa !5
  %9 = call noundef i32 @_ZNK6common4DDim4sizeEv(ptr noundef nonnull align 8 dereferenceable(76) %8)
  %10 = icmp slt i32 %7, %9
  br i1 %10, label %12, label %11

11:                                               ; preds = %6
  store i32 2, ptr %5, align 4
  br label %22

12:                                               ; preds = %6
  %13 = load ptr, ptr %3, align 8, !tbaa !5
  %14 = load i32, ptr %4, align 4, !tbaa !9
  %15 = call noundef i64 @_ZNK6common4DDimixEi(ptr noundef nonnull align 8 dereferenceable(76) %13, i32 noundef %14)
  %16 = icmp slt i64 %15, 0
  br i1 %16, label %17, label %18

17:                                               ; preds = %12
  store i1 true, ptr %2, align 1
  store i32 1, ptr %5, align 4
  br label %22

18:                                               ; preds = %12
  br label %19

19:                                               ; preds = %18
  %20 = load i32, ptr %4, align 4, !tbaa !9
  %21 = add nsw i32 %20, 1
  store i32 %21, ptr %4, align 4, !tbaa !9
  br label %6, !llvm.loop !11

22:                                               ; preds = %17, %11
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #4
  %23 = load i32, ptr %5, align 4
  switch i32 %23, label %27 [
    i32 2, label %24
    i32 1, label %25
  ]

24:                                               ; preds = %22
  store i1 false, ptr %2, align 1
  br label %25

25:                                               ; preds = %24, %22
  %26 = load i1, ptr %2, align 1
  ret i1 %26

27:                                               ; preds = %22
  unreachable
}

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef i64 @_ZNK6common4DDimixEi(ptr noundef nonnull align 8 dereferenceable(76), i32 noundef) #3 align 2

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

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZNK6common4DDim4sizeEv(ptr noundef nonnull align 8 dereferenceable(76)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef zeroext i1 @_ZN6common19contain_unknown_dimERKNS_4DDimE(ptr noundef nonnull align 8 dereferenceable(76) %0) local_unnamed_addr #1 {
  %2 = tail call noundef i32 @_ZNK6common4DDim4sizeEv(ptr noundef nonnull align 8 dereferenceable(76) %0)
  %.not8 = icmp sgt i32 %2, 0
  br i1 %.not8, label %.lr.ph, label %._crit_edge

3:                                                ; preds = %.lr.ph
  %4 = add nuw nsw i32 %.069, 1
  %5 = tail call noundef i32 @_ZNK6common4DDim4sizeEv(ptr noundef nonnull align 8 dereferenceable(76) %0)
  %.not = icmp slt i32 %4, %5
  br i1 %.not, label %.lr.ph, label %._crit_edge, !llvm.loop !5

.lr.ph:                                           ; preds = %1, %3
  %.069 = phi i32 [ %4, %3 ], [ 0, %1 ]
  %6 = tail call noundef i64 @_ZNK6common4DDimixEi(ptr noundef nonnull align 8 dereferenceable(76) %0, i32 noundef %.069)
  %7 = icmp slt i64 %6, 0
  br i1 %7, label %._crit_edge, label %3

._crit_edge:                                      ; preds = %3, %.lr.ph, %1
  %.not.lcssa = phi i1 [ false, %1 ], [ %7, %.lr.ph ], [ %7, %3 ]
  ret i1 %.not.lcssa
}

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef i64 @_ZNK6common4DDimixEi(ptr noundef nonnull align 8 dereferenceable(76), i32 noundef) local_unnamed_addr #2 align 2

attributes #0 = { inlinehint 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 = { 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" }

!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"}


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