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

; 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"

; Function Attrs: nounwind uwtable
define dso_local zeroext i1 @constraint_contains_tuple(ptr noundef %0, ptr noundef %1, ptr noundef %2) #0 {
  %4 = alloca i1, align 1
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca i8, align 1
  %9 = alloca ptr, align 8
  store ptr %0, ptr %5, align 8, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !5
  store ptr %2, ptr %7, align 8, !tbaa !5
  %10 = load ptr, ptr %7, align 8, !tbaa !5
  %11 = call i32 @ast_id(ptr noundef %10)
  switch i32 %11, label %33 [
    i32 150, label %12
    i32 149, label %13
  ]

12:                                               ; preds = %3
  store i1 true, ptr %4, align 1
  br label %35

13:                                               ; preds = %3
  call void @llvm.lifetime.start.p0(i64 1, ptr %8) #3
  store i8 0, ptr %8, align 1, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #3
  %14 = load ptr, ptr %6, align 8, !tbaa !5
  %15 = call ptr @ast_child(ptr noundef %14)
  store ptr %15, ptr %9, align 8, !tbaa !5
  %16 = load ptr, ptr %9, align 8, !tbaa !5
  %17 = call ptr @ast_sibling(ptr noundef %16)
  store ptr %17, ptr %9, align 8, !tbaa !5
  br label %18

18:                                               ; preds = %27, %13
  %19 = load ptr, ptr %9, align 8, !tbaa !5
  %20 = icmp ne ptr %19, null
  br i1 %20, label %21, label %30

21:                                               ; preds = %18
  %22 = load ptr, ptr %5, align 8, !tbaa !5
  %23 = load ptr, ptr %6, align 8, !tbaa !5
  %24 = load ptr, ptr %9, align 8, !tbaa !5
  %25 = call zeroext i1 @constraint_contains_tuple(ptr noundef %22, ptr noundef %23, ptr noundef %24)
  br i1 %25, label %26, label %27

26:                                               ; preds = %21
  store i8 1, ptr %8, align 1, !tbaa !9
  br label %27

27:                                               ; preds = %26, %21
  %28 = load ptr, ptr %9, align 8, !tbaa !5
  %29 = call ptr @ast_sibling(ptr noundef %28)
  store ptr %29, ptr %9, align 8, !tbaa !5
  br label %18, !llvm.loop !11

30:                                               ; preds = %18
  %31 = load i8, ptr %8, align 1, !tbaa !9, !range !13, !noundef !14
  %32 = trunc i8 %31 to i1
  store i1 %32, ptr %4, align 1
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #3
  call void @llvm.lifetime.end.p0(i64 1, ptr %8) #3
  br label %35

33:                                               ; preds = %3
  br label %34

34:                                               ; preds = %33
  store i1 false, ptr %4, align 1
  br label %35

35:                                               ; preds = %34, %30, %12
  %36 = load i1, ptr %4, align 1
  ret i1 %36
}

declare i32 @ast_id(ptr noundef) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

declare ptr @ast_child(ptr noundef) #1

declare ptr @ast_sibling(ptr noundef) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

attributes #0 = { 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 #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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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, !10, i64 0}
!10 = !{!"_Bool", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = !{i8 0, i8 2}
!14 = !{}


; 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: nounwind uwtable
define dso_local zeroext i1 @constraint_contains_tuple(ptr nocapture noundef readnone %0, ptr noundef %1, ptr noundef %2) local_unnamed_addr #0 {
  %4 = tail call i32 @ast_id(ptr noundef %2) #2
  switch i32 %4, label %10 [
    i32 150, label %.loopexit
    i32 149, label %5
  ]

5:                                                ; preds = %3
  %6 = tail call ptr @ast_child(ptr noundef %1) #2
  %7 = tail call ptr @ast_sibling(ptr noundef %6) #2
  %.not11 = icmp eq ptr %7, null
  br i1 %.not11, label %.loopexit, label %.lr.ph

.lr.ph:                                           ; preds = %5, %.lr.ph
  %.013 = phi ptr [ %9, %.lr.ph ], [ %7, %5 ]
  %.0912 = phi i1 [ %spec.select, %.lr.ph ], [ false, %5 ]
  %8 = tail call zeroext i1 @constraint_contains_tuple(ptr noundef %0, ptr noundef %1, ptr noundef nonnull %.013)
  %spec.select = select i1 %8, i1 true, i1 %.0912
  %9 = tail call ptr @ast_sibling(ptr noundef nonnull %.013) #2
  %.not = icmp eq ptr %9, null
  br i1 %.not, label %.loopexit, label %.lr.ph, !llvm.loop !5

10:                                               ; preds = %3
  br label %.loopexit

.loopexit:                                        ; preds = %.lr.ph, %5, %3, %10
  %.010 = phi i1 [ false, %10 ], [ true, %3 ], [ false, %5 ], [ %spec.select, %.lr.ph ]
  ret i1 %.010
}

declare i32 @ast_id(ptr noundef) local_unnamed_addr #1

declare ptr @ast_child(ptr noundef) local_unnamed_addr #1

declare ptr @ast_sibling(ptr noundef) local_unnamed_addr #1

attributes #0 = { 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 #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 }

!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 = distinct !{!5, !6}
!6 = !{!"llvm.loop.mustprogress"}


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