; LLVM IR from thepowersgang/mrustc :: src/ast/path.ll (ZNK3AST8PathNode3ordERKS0_)

; 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.AST::PathNode" = type { %class.RcString, %"struct.AST::PathParams" }
%class.RcString = type { ptr }
%"struct.AST::PathParams" = type <{ %"class.std::vector", i8, [7 x i8] }>
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<AST::PathParamEnt, std::allocator<AST::PathParamEnt>>::_Vector_impl" }
%"struct.std::_Vector_base<AST::PathParamEnt, std::allocator<AST::PathParamEnt>>::_Vector_impl" = type { %"struct.std::_Vector_base<AST::PathParamEnt, std::allocator<AST::PathParamEnt>>::_Vector_impl_data" }
%"struct.std::_Vector_base<AST::PathParamEnt, std::allocator<AST::PathParamEnt>>::_Vector_impl_data" = type { ptr, ptr, ptr }

; 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: mustprogress uwtable
declare dso_local noundef i32 @_ZNK3AST10PathParams3ordERKS0_(ptr noundef nonnull align 8 dereferenceable(25), ptr noundef nonnull align 8 dereferenceable(25)) #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_ZNK3AST8PathNode3ordERKS0_(ptr noundef nonnull align 8 dereferenceable(40) %0, ptr noundef nonnull align 8 dereferenceable(40) %1) #1 align 2 {
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %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
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #2
  %9 = getelementptr inbounds %"class.AST::PathNode", ptr %8, i32 0, i32 0
  %10 = load ptr, ptr %5, align 8, !tbaa !5
  %11 = getelementptr inbounds %"class.AST::PathNode", ptr %10, i32 0, i32 0
  %12 = call noundef i32 @_Z3ordI8RcStringE8OrderingRKT_S4_(ptr noundef nonnull align 8 dereferenceable(8) %9, ptr noundef nonnull align 8 dereferenceable(8) %11)
  store i32 %12, ptr %6, align 4, !tbaa !9
  %13 = load i32, ptr %6, align 4, !tbaa !9
  %14 = icmp ne i32 %13, 0
  br i1 %14, label %15, label %17

15:                                               ; preds = %2
  %16 = load i32, ptr %6, align 4, !tbaa !9
  store i32 %16, ptr %3, align 4
  store i32 1, ptr %7, align 4
  br label %27

17:                                               ; preds = %2
  %18 = getelementptr inbounds %"class.AST::PathNode", ptr %8, i32 0, i32 1
  %19 = load ptr, ptr %5, align 8, !tbaa !5
  %20 = getelementptr inbounds %"class.AST::PathNode", ptr %19, i32 0, i32 1
  %21 = call noundef i32 @_ZNK3AST10PathParams3ordERKS0_(ptr noundef nonnull align 8 dereferenceable(25) %18, ptr noundef nonnull align 8 dereferenceable(25) %20)
  store i32 %21, ptr %6, align 4, !tbaa !9
  %22 = load i32, ptr %6, align 4, !tbaa !9
  %23 = icmp ne i32 %22, 0
  br i1 %23, label %24, label %26

24:                                               ; preds = %17
  %25 = load i32, ptr %6, align 4, !tbaa !9
  store i32 %25, ptr %3, align 4
  store i32 1, ptr %7, align 4
  br label %27

26:                                               ; preds = %17
  store i32 0, ptr %3, align 4
  store i32 1, ptr %7, align 4
  br label %27

27:                                               ; preds = %26, %24, %15
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #2
  %28 = load i32, ptr %3, align 4
  ret i32 %28
}

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_Z3ordI8RcStringE8OrderingRKT_S4_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #1

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = !{!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 = !{!"_ZTS8Ordering", !7, i64 0}


; 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 uwtable
declare dso_local noundef i32 @_ZNK3AST10PathParams3ordERKS0_(ptr noundef nonnull align 8 dereferenceable(25), ptr noundef nonnull align 8 dereferenceable(25)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local noundef i32 @_ZNK3AST8PathNode3ordERKS0_(ptr noundef nonnull align 8 dereferenceable(40) %0, ptr noundef nonnull align 8 dereferenceable(40) %1) local_unnamed_addr #0 align 2 {
  %3 = tail call noundef i32 @_Z3ordI8RcStringE8OrderingRKT_S4_(ptr noundef nonnull align 8 dereferenceable(8) %0, ptr noundef nonnull align 8 dereferenceable(8) %1)
  %.not = icmp eq i32 %3, 0
  br i1 %.not, label %4, label %8

4:                                                ; preds = %2
  %5 = getelementptr inbounds i8, ptr %0, i64 8
  %6 = getelementptr inbounds i8, ptr %1, i64 8
  %7 = tail call noundef i32 @_ZNK3AST10PathParams3ordERKS0_(ptr noundef nonnull align 8 dereferenceable(25) %5, ptr noundef nonnull align 8 dereferenceable(25) %6)
  br label %8

8:                                                ; preds = %4, %2
  %.0 = phi i32 [ %3, %2 ], [ %7, %4 ]
  ret i32 %.0
}

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_Z3ordI8RcStringE8OrderingRKT_S4_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #0

attributes #0 = { 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)"}


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