; LLVM IR from EbTech/Elo-MMR :: deprecated/cpp/trueskill/src/trueskill.ll (ZN11PriorFactorD2Ev)

; 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.Factor = type <{ ptr, i32, [4 x i8] }>

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN6FactorD2Ev(ptr noundef nonnull align 8 dereferenceable(12)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN11PriorFactorD2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) unnamed_addr #1 align 2 {
  %2 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %3 = load ptr, ptr %2, align 8
  br label %4

4:                                                ; preds = %9, %1
  %5 = getelementptr inbounds %class.Factor, ptr %3, i32 0, i32 0
  %6 = load ptr, ptr %5, align 8, !tbaa !9
  %7 = call noundef zeroext i1 @_ZNKSt6vectorIP8VariableSaIS1_EE5emptyEv(ptr noundef nonnull align 8 dereferenceable(24) %6) #2
  %8 = xor i1 %7, true
  br i1 %8, label %9, label %12

9:                                                ; preds = %4
  %10 = getelementptr inbounds %class.Factor, ptr %3, i32 0, i32 0
  %11 = load ptr, ptr %10, align 8, !tbaa !9
  call void @_ZNSt6vectorIP8VariableSaIS1_EE8pop_backEv(ptr noundef nonnull align 8 dereferenceable(24) %11) #2
  br label %4, !llvm.loop !12

12:                                               ; preds = %4
  %13 = getelementptr inbounds %class.Factor, ptr %3, i32 0, i32 0
  %14 = load ptr, ptr %13, align 8, !tbaa !9
  %15 = icmp eq ptr %14, null
  br i1 %15, label %17, label %16

16:                                               ; preds = %12
  call void @_ZNSt6vectorIP8VariableSaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %14) #2
  call void @_ZdlPvm(ptr noundef %14, i64 noundef 24) #3
  br label %17

17:                                               ; preds = %16, %12
  call void @_ZN6FactorD2Ev(ptr noundef nonnull align 8 dereferenceable(12) %3) #2
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt6vectorIP8VariableSaIS1_EE5emptyEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIP8VariableSaIS1_EE8pop_backEv(ptr noundef nonnull align 8 dereferenceable(24)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIP8VariableSaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

attributes #0 = { nobuiltin nounwind "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 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 = { nounwind }
attributes #3 = { builtin 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, !6, i64 0}
!10 = !{!"_ZTS6Factor", !6, i64 0, !11, i64 8}
!11 = !{!"int", !7, i64 0}
!12 = distinct !{!12, !13}
!13 = !{!"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: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN6FactorD2Ev(ptr noundef nonnull align 8 dereferenceable(12)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN11PriorFactorD2Ev(ptr noundef nonnull align 8 dereferenceable(24) %0) unnamed_addr #1 align 2 {
  %2 = load ptr, ptr %0, align 8, !tbaa !5
  %3 = tail call noundef zeroext i1 @_ZNKSt6vectorIP8VariableSaIS1_EE5emptyEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #2
  br i1 %3, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %1, %.lr.ph
  %4 = load ptr, ptr %0, align 8, !tbaa !5
  tail call void @_ZNSt6vectorIP8VariableSaIS1_EE8pop_backEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #2
  %5 = load ptr, ptr %0, align 8, !tbaa !5
  %6 = tail call noundef zeroext i1 @_ZNKSt6vectorIP8VariableSaIS1_EE5emptyEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #2
  br i1 %6, label %._crit_edge, label %.lr.ph, !llvm.loop !11

._crit_edge:                                      ; preds = %.lr.ph, %1
  %7 = load ptr, ptr %0, align 8, !tbaa !5
  %8 = icmp eq ptr %7, null
  br i1 %8, label %10, label %9

9:                                                ; preds = %._crit_edge
  tail call void @_ZNSt6vectorIP8VariableSaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #2
  tail call void @_ZdlPvm(ptr noundef nonnull %7, i64 noundef 24) #3
  br label %10

10:                                               ; preds = %9, %._crit_edge
  tail call void @_ZN6FactorD2Ev(ptr noundef nonnull align 8 dereferenceable(12) %0) #2
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt6vectorIP8VariableSaIS1_EE5emptyEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIP8VariableSaIS1_EE8pop_backEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIP8VariableSaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #1 align 2

attributes #0 = { nobuiltin nounwind "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 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 = { nounwind }
attributes #3 = { builtin 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, !7, i64 0}
!6 = !{!"_ZTS6Factor", !7, i64 0, !10, i64 8}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"int", !8, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass