; 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 }

; 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 i32 @token_get_id(ptr noundef) #1

; Function Attrs: nounwind uwtable
define dso_local ptr @ast_error_handling_clause(ptr noundef %0, ptr noundef %1) #2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  store ptr null, ptr %6, align 8, !tbaa !5
  br label %8

8:                                                ; preds = %23, %2
  %9 = load ptr, ptr %4, align 8, !tbaa !5
  %10 = icmp ne ptr %9, null
  br i1 %10, label %11, label %27

11:                                               ; preds = %8
  %12 = load ptr, ptr %4, align 8, !tbaa !5
  %13 = getelementptr inbounds %struct.ast_t, ptr %12, i32 0, i32 0
  %14 = load ptr, ptr %13, align 8, !tbaa !9
  %15 = call i32 @token_get_id(ptr noundef %14)
  switch i32 %15, label %22 [
    i32 124, label %16
    i32 125, label %16
    i32 206, label %16
    i32 88, label %21
    i32 89, label %21
    i32 90, label %21
  ]

16:                                               ; preds = %11, %11, %11
  %17 = load ptr, ptr %6, align 8, !tbaa !5
  %18 = call i64 @ast_index(ptr noundef %17)
  %19 = load ptr, ptr %5, align 8, !tbaa !5
  store i64 %18, ptr %19, align 8, !tbaa !13
  %20 = load ptr, ptr %4, align 8, !tbaa !5
  store ptr %20, ptr %3, align 8
  store i32 1, ptr %7, align 4
  br label %28

21:                                               ; preds = %11, %11, %11
  store ptr null, ptr %3, align 8
  store i32 1, ptr %7, align 4
  br label %28

22:                                               ; preds = %11
  br label %23

23:                                               ; preds = %22
  %24 = load ptr, ptr %4, align 8, !tbaa !5
  store ptr %24, ptr %6, align 8, !tbaa !5
  %25 = load ptr, ptr %4, align 8, !tbaa !5
  %26 = call ptr @ast_parent(ptr noundef %25)
  store ptr %26, ptr %4, align 8, !tbaa !5
  br label %8, !llvm.loop !15

27:                                               ; preds = %8
  store ptr null, ptr %3, align 8
  store i32 1, ptr %7, align 4
  br label %28

28:                                               ; preds = %27, %21, %16
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #3
  %29 = load ptr, ptr %3, align 8
  ret ptr %29
}

; Function Attrs: nounwind uwtable
declare dso_local i64 @ast_index(ptr noundef) #2

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

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, !6, i64 0}
!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 = !{!14, !14, i64 0}
!14 = !{!"long", !7, i64 0}
!15 = distinct !{!15, !16}
!16 = !{!"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"

declare i32 @token_get_id(ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local noundef ptr @ast_error_handling_clause(ptr noundef %0, ptr nocapture noundef writeonly %1) local_unnamed_addr #1 {
  %.not12 = icmp eq ptr %0, null
  br i1 %.not12, label %.loopexit, label %.lr.ph

.lr.ph:                                           ; preds = %2, %7
  %.014 = phi ptr [ %.0913, %7 ], [ null, %2 ]
  %.0913 = phi ptr [ %8, %7 ], [ %0, %2 ]
  %3 = load ptr, ptr %.0913, align 8, !tbaa !5
  %4 = tail call i32 @token_get_id(ptr noundef %3) #2
  switch i32 %4, label %7 [
    i32 124, label %5
    i32 125, label %5
    i32 206, label %5
    i32 88, label %.loopexit
    i32 89, label %.loopexit
    i32 90, label %.loopexit
  ]

5:                                                ; preds = %.lr.ph, %.lr.ph, %.lr.ph
  %6 = tail call i64 @ast_index(ptr noundef %.014)
  store i64 %6, ptr %1, align 8, !tbaa !12
  br label %.loopexit

7:                                                ; preds = %.lr.ph
  %8 = tail call ptr @ast_parent(ptr noundef nonnull %.0913)
  %.not = icmp eq ptr %8, null
  br i1 %.not, label %.loopexit, label %.lr.ph, !llvm.loop !14

.loopexit:                                        ; preds = %.lr.ph, %.lr.ph, %.lr.ph, %7, %2, %5
  %.08 = phi ptr [ %.0913, %5 ], [ null, %2 ], [ null, %7 ], [ null, %.lr.ph ], [ null, %.lr.ph ], [ null, %.lr.ph ]
  ret ptr %.08
}

; Function Attrs: nounwind uwtable
declare dso_local i64 @ast_index(ptr noundef) local_unnamed_addr #1

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

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, !7, i64 0}
!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 = !{!13, !13, i64 0}
!13 = !{!"long", !8, i64 0}
!14 = distinct !{!14, !15}
!15 = !{!"llvm.loop.mustprogress"}


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