; LLVM IR from ponylang/ponyc :: src/libponyc/ast (ast)

; 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.ast_t = type { ptr, ptr, ptr, ptr, ptr, ptr, ptr, i32, i8 }

@.str = external hidden unnamed_addr constant [12 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [71 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [13 x i8], align 1
@__func__.ast_erase = external hidden unnamed_addr constant [10 x i8], align 1

; 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

declare void @ponyint_assert_fail(ptr noundef, ptr noundef, i64 noundef, ptr noundef) #1

declare void @token_set_id(ptr noundef, i32 noundef) #1

; Function Attrs: nounwind uwtable
declare dso_local void @ast_free(ptr noundef) #2

; Function Attrs: nounwind uwtable
define dso_local void @ast_erase(ptr noundef %0) #2 {
  %2 = alloca ptr, align 8
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %5 = load ptr, ptr %2, align 8, !tbaa !5
  %6 = icmp ne ptr %5, null
  br i1 %6, label %7, label %8

7:                                                ; preds = %1
  br label %9

8:                                                ; preds = %1
  call void @ponyint_assert_fail(ptr noundef @.str, ptr noundef @.str.1, i64 noundef 962, ptr noundef @__func__.ast_erase)
  br label %9

9:                                                ; preds = %8, %7
  %10 = load ptr, ptr %2, align 8, !tbaa !5
  %11 = getelementptr inbounds %struct.ast_t, ptr %10, i32 0, i32 8
  %12 = load i8, ptr %11, align 4, !tbaa !9, !range !13, !noundef !14
  %13 = trunc i8 %12 to i1
  br i1 %13, label %15, label %14

14:                                               ; preds = %9
  br label %16

15:                                               ; preds = %9
  call void @ponyint_assert_fail(ptr noundef @.str.3, ptr noundef @.str.1, i64 noundef 964, ptr noundef @__func__.ast_erase)
  br label %16

16:                                               ; preds = %15, %14
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #3
  %17 = load ptr, ptr %2, align 8, !tbaa !5
  %18 = getelementptr inbounds %struct.ast_t, ptr %17, i32 0, i32 4
  %19 = load ptr, ptr %18, align 8, !tbaa !15
  store ptr %19, ptr %3, align 8, !tbaa !5
  br label %20

20:                                               ; preds = %23, %16
  %21 = load ptr, ptr %3, align 8, !tbaa !5
  %22 = icmp ne ptr %21, null
  br i1 %22, label %23, label %29

23:                                               ; preds = %20
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #3
  %24 = load ptr, ptr %3, align 8, !tbaa !5
  %25 = getelementptr inbounds %struct.ast_t, ptr %24, i32 0, i32 5
  %26 = load ptr, ptr %25, align 8, !tbaa !16
  store ptr %26, ptr %4, align 8, !tbaa !5
  %27 = load ptr, ptr %3, align 8, !tbaa !5
  call void @ast_free(ptr noundef %27)
  %28 = load ptr, ptr %4, align 8, !tbaa !5
  store ptr %28, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #3
  br label %20, !llvm.loop !17

29:                                               ; preds = %20
  %30 = load ptr, ptr %2, align 8, !tbaa !5
  %31 = getelementptr inbounds %struct.ast_t, ptr %30, i32 0, i32 4
  store ptr null, ptr %31, align 8, !tbaa !15
  %32 = load ptr, ptr %2, align 8, !tbaa !5
  %33 = getelementptr inbounds %struct.ast_t, ptr %32, i32 0, i32 0
  %34 = load ptr, ptr %33, align 8, !tbaa !19
  call void @token_set_id(ptr noundef %34, i32 noundef 2)
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #3
  ret void
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { "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 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/C++ TBAA"}
!9 = !{!10, !12, i64 60}
!10 = !{!"ast_t", !6, i64 0, !6, i64 8, !6, i64 16, !6, i64 24, !6, i64 32, !6, i64 40, !6, i64 48, !11, i64 56, !12, i64 60}
!11 = !{!"int", !7, i64 0}
!12 = !{!"_Bool", !7, i64 0}
!13 = !{i8 0, i8 2}
!14 = !{}
!15 = !{!10, !6, i64 32}
!16 = !{!10, !6, i64 40}
!17 = distinct !{!17, !18}
!18 = !{!"llvm.loop.mustprogress"}
!19 = !{!10, !6, 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"

@.str = external hidden unnamed_addr constant [12 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [71 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [13 x i8], align 1
@__func__.ast_erase = external hidden unnamed_addr constant [10 x i8], align 1

declare void @ponyint_assert_fail(ptr noundef, ptr noundef, i64 noundef, ptr noundef) local_unnamed_addr #0

declare void @token_set_id(ptr noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare dso_local void @ast_free(ptr noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
define dso_local void @ast_erase(ptr noundef %0) local_unnamed_addr #1 {
  %.not = icmp eq ptr %0, null
  br i1 %.not, label %2, label %3

2:                                                ; preds = %1
  tail call void @ponyint_assert_fail(ptr noundef nonnull @.str, ptr noundef nonnull @.str.1, i64 noundef 962, ptr noundef nonnull @__func__.ast_erase) #2
  br label %3

3:                                                ; preds = %1, %2
  %4 = getelementptr inbounds i8, ptr %0, i64 60
  %5 = load i8, ptr %4, align 4, !tbaa !5, !range !12, !noundef !13
  %6 = trunc nuw i8 %5 to i1
  br i1 %6, label %7, label %8

7:                                                ; preds = %3
  tail call void @ponyint_assert_fail(ptr noundef nonnull @.str.3, ptr noundef nonnull @.str.1, i64 noundef 964, ptr noundef nonnull @__func__.ast_erase) #2
  br label %8

8:                                                ; preds = %3, %7
  %9 = getelementptr inbounds i8, ptr %0, i64 32
  %10 = load ptr, ptr %9, align 8, !tbaa !14
  %.not910 = icmp eq ptr %10, null
  br i1 %.not910, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %8, %.lr.ph
  %.011 = phi ptr [ %12, %.lr.ph ], [ %10, %8 ]
  %11 = getelementptr inbounds i8, ptr %.011, i64 40
  %12 = load ptr, ptr %11, align 8, !tbaa !15
  tail call void @ast_free(ptr noundef nonnull %.011)
  %.not9 = icmp eq ptr %12, null
  br i1 %.not9, label %._crit_edge, label %.lr.ph, !llvm.loop !16

._crit_edge:                                      ; preds = %.lr.ph, %8
  store ptr null, ptr %9, align 8, !tbaa !14
  %13 = load ptr, ptr %0, align 8, !tbaa !18
  tail call void @token_set_id(ptr noundef %13, i32 noundef 2) #2
  ret void
}

attributes #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 = { 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 }

!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, !11, i64 60}
!6 = !{!"ast_t", !7, i64 0, !7, i64 8, !7, i64 16, !7, i64 24, !7, i64 32, !7, i64 40, !7, i64 48, !10, i64 56, !11, i64 60}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"int", !8, i64 0}
!11 = !{!"_Bool", !8, i64 0}
!12 = !{i8 0, i8 2}
!13 = !{}
!14 = !{!6, !7, i64 32}
!15 = !{!6, !7, i64 40}
!16 = distinct !{!16, !17}
!17 = !{!"llvm.loop.mustprogress"}
!18 = !{!6, !7, i64 0}


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