; LLVM IR from thepowersgang/mrustc :: src/hir_typeck/helpers.ll (ZN16HMTypeInferrence19expand_ivars_paramsERN3HIR10PathParamsE)

; 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"

%"struct.HIR::PathParams" = type { %class.ThinVector.26, %class.ThinVector.27, %class.ThinVector.28 }
%class.ThinVector.26 = type { ptr }
%class.ThinVector.27 = type { ptr }
%class.ThinVector.28 = type { ptr }
%"class.HIR::TypeRef" = type { 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 void @_ZN16HMTypeInferrence12expand_ivarsERN3HIR7TypeRefE(ptr noundef nonnull align 8 dereferenceable(49), ptr noundef nonnull align 8 dereferenceable(8)) #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN16HMTypeInferrence19expand_ivars_paramsERN3HIR10PathParamsE(ptr noundef nonnull align 8 dereferenceable(49) %0, ptr noundef nonnull align 8 dereferenceable(24) %1) #1 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %9 = load ptr, ptr %3, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #3
  %10 = load ptr, ptr %4, align 8, !tbaa !5
  %11 = getelementptr inbounds %"struct.HIR::PathParams", ptr %10, i32 0, i32 1
  store ptr %11, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  %12 = load ptr, ptr %5, align 8, !tbaa !5
  %13 = call noundef ptr @_ZN10ThinVectorIN3HIR7TypeRefEE5beginEv(ptr noundef nonnull align 8 dereferenceable(8) %12)
  store ptr %13, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #3
  %14 = load ptr, ptr %5, align 8, !tbaa !5
  %15 = call noundef ptr @_ZN10ThinVectorIN3HIR7TypeRefEE3endEv(ptr noundef nonnull align 8 dereferenceable(8) %14)
  store ptr %15, ptr %7, align 8, !tbaa !5
  br label %16

16:                                               ; preds = %24, %2
  %17 = load ptr, ptr %6, align 8, !tbaa !5
  %18 = load ptr, ptr %7, align 8, !tbaa !5
  %19 = icmp ne ptr %17, %18
  br i1 %19, label %21, label %20

20:                                               ; preds = %16
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #3
  br label %27

21:                                               ; preds = %16
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #3
  %22 = load ptr, ptr %6, align 8, !tbaa !5
  store ptr %22, ptr %8, align 8, !tbaa !5
  %23 = load ptr, ptr %8, align 8, !tbaa !5
  call void @_ZN16HMTypeInferrence12expand_ivarsERN3HIR7TypeRefE(ptr noundef nonnull align 8 dereferenceable(49) %9, ptr noundef nonnull align 8 dereferenceable(8) %23)
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #3
  br label %24

24:                                               ; preds = %21
  %25 = load ptr, ptr %6, align 8, !tbaa !5
  %26 = getelementptr inbounds %"class.HIR::TypeRef", ptr %25, i32 1
  store ptr %26, ptr %6, align 8, !tbaa !5
  br label %16

27:                                               ; preds = %20
  ret void
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZN10ThinVectorIN3HIR7TypeRefEE5beginEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZN10ThinVectorIN3HIR7TypeRefEE3endEv(ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

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 = { 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 #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"}


; 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 void @_ZN16HMTypeInferrence12expand_ivarsERN3HIR7TypeRefE(ptr noundef nonnull align 8 dereferenceable(49), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN16HMTypeInferrence19expand_ivars_paramsERN3HIR10PathParamsE(ptr noundef nonnull align 8 dereferenceable(49) %0, ptr noundef nonnull align 8 dereferenceable(24) %1) local_unnamed_addr #0 align 2 {
  %3 = getelementptr inbounds i8, ptr %1, i64 8
  %4 = tail call noundef ptr @_ZN10ThinVectorIN3HIR7TypeRefEE5beginEv(ptr noundef nonnull align 8 dereferenceable(8) %3)
  %5 = tail call noundef ptr @_ZN10ThinVectorIN3HIR7TypeRefEE3endEv(ptr noundef nonnull align 8 dereferenceable(8) %3)
  %.not9 = icmp eq ptr %4, %5
  br i1 %.not9, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %.lr.ph, %2
  ret void

.lr.ph:                                           ; preds = %2, %.lr.ph
  %.010 = phi ptr [ %6, %.lr.ph ], [ %4, %2 ]
  tail call void @_ZN16HMTypeInferrence12expand_ivarsERN3HIR7TypeRefE(ptr noundef nonnull align 8 dereferenceable(49) %0, ptr noundef nonnull align 8 dereferenceable(8) %.010)
  %6 = getelementptr inbounds i8, ptr %.010, i64 8
  %.not = icmp eq ptr %6, %5
  br i1 %.not, label %._crit_edge, label %.lr.ph
}

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZN10ThinVectorIN3HIR7TypeRefEE5beginEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZN10ThinVectorIN3HIR7TypeRefEE3endEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #1 align 2

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" }
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" }

!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: GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass