; LLVM IR from lynx-family/primjs :: src/gc/thread_pool.ll (ZN14ByteThreadPool7AddTaskESt8functionIFvmEE)

; 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.std::nothrow_t" = type { i8 }

@_ZSt7nothrow = external global %"struct.std::nothrow_t", align 1

declare i32 @__gxx_personality_v0(...)

; Function Attrs: nobuiltin nounwind allocsize(0)
declare noalias noundef ptr @_ZnwmRKSt9nothrow_t(i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) #0

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvRKSt9nothrow_t(ptr noundef, ptr noundef nonnull align 1 dereferenceable(1)) #1

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN14ByteThreadPool7AddTaskEP8ByteTask(ptr noundef nonnull align 8 dereferenceable(392), ptr noundef) #2 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN14ByteThreadPool7AddTaskESt8functionIFvmEE(ptr noundef nonnull align 8 dereferenceable(392) %0, ptr noundef %1) #2 align 2 personality ptr @__gxx_personality_v0 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i1, align 1
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %8 = load ptr, ptr %3, align 8
  %9 = call noalias noundef ptr @_ZnwmRKSt9nothrow_t(i64 noundef 40, ptr noundef nonnull align 1 dereferenceable(1) @_ZSt7nothrow) #3
  %10 = icmp eq ptr %9, null
  store i1 false, ptr %5, align 1
  br i1 %10, label %13, label %11

11:                                               ; preds = %2
  store i1 true, ptr %5, align 1
  invoke void @_ZN14ByteLambdaTaskC2ERKSt8functionIFvmEE(ptr noundef nonnull align 8 dereferenceable(40) %9, ptr noundef nonnull align 8 dereferenceable(32) %1)
          to label %12 unwind label %15

12:                                               ; preds = %11
  br label %13

13:                                               ; preds = %12, %2
  %14 = phi ptr [ %9, %12 ], [ null, %2 ]
  call void @_ZN14ByteThreadPool7AddTaskEP8ByteTask(ptr noundef nonnull align 8 dereferenceable(392) %8, ptr noundef %14)
  ret void

15:                                               ; preds = %11
  %16 = landingpad { ptr, i32 }
          cleanup
  %17 = extractvalue { ptr, i32 } %16, 0
  store ptr %17, ptr %6, align 8
  %18 = extractvalue { ptr, i32 } %16, 1
  store i32 %18, ptr %7, align 4
  %19 = load i1, ptr %5, align 1
  br i1 %19, label %20, label %21

20:                                               ; preds = %15
  call void @_ZdlPvRKSt9nothrow_t(ptr noundef %9, ptr noundef nonnull align 1 dereferenceable(1) @_ZSt7nothrow) #4
  br label %21

21:                                               ; preds = %20, %15
  br label %22

22:                                               ; preds = %21
  %23 = load ptr, ptr %6, align 8
  %24 = load i32, ptr %7, align 4
  %25 = insertvalue { ptr, i32 } poison, ptr %23, 0
  %26 = insertvalue { ptr, i32 } %25, i32 %24, 1
  resume { ptr, i32 } %26
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN14ByteLambdaTaskC2ERKSt8functionIFvmEE(ptr noundef nonnull align 8 dereferenceable(40), ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #2 align 2

attributes #0 = { nobuiltin nounwind allocsize(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 = { nobuiltin nounwind "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 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 = { builtin nounwind allocsize(0) }
attributes #4 = { builtin 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"

%"struct.std::nothrow_t" = type { i8 }

@_ZSt7nothrow = external global %"struct.std::nothrow_t", align 1

declare i32 @__gxx_personality_v0(...)

; Function Attrs: nobuiltin nounwind allocsize(0)
declare noalias noundef ptr @_ZnwmRKSt9nothrow_t(i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) local_unnamed_addr #0

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvRKSt9nothrow_t(ptr noundef, ptr noundef nonnull align 1 dereferenceable(1)) local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN14ByteThreadPool7AddTaskEP8ByteTask(ptr noundef nonnull align 8 dereferenceable(392), ptr noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN14ByteThreadPool7AddTaskESt8functionIFvmEE(ptr noundef nonnull align 8 dereferenceable(392) %0, ptr noundef %1) local_unnamed_addr #2 align 2 personality ptr @__gxx_personality_v0 {
  %3 = tail call noalias noundef dereferenceable_or_null(40) ptr @_ZnwmRKSt9nothrow_t(i64 noundef 40, ptr noundef nonnull align 1 dereferenceable(1) @_ZSt7nothrow) #3
  %4 = icmp eq ptr %3, null
  br i1 %4, label %6, label %5

5:                                                ; preds = %2
  invoke void @_ZN14ByteLambdaTaskC2ERKSt8functionIFvmEE(ptr noundef nonnull align 8 dereferenceable(40) %3, ptr noundef nonnull align 8 dereferenceable(32) %1)
          to label %6 unwind label %7

6:                                                ; preds = %5, %2
  tail call void @_ZN14ByteThreadPool7AddTaskEP8ByteTask(ptr noundef nonnull align 8 dereferenceable(392) %0, ptr noundef %3)
  ret void

7:                                                ; preds = %5
  %8 = landingpad { ptr, i32 }
          cleanup
  tail call void @_ZdlPvRKSt9nothrow_t(ptr noundef nonnull %3, ptr noundef nonnull align 1 dereferenceable(1) @_ZSt7nothrow) #4
  resume { ptr, i32 } %8
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN14ByteLambdaTaskC2ERKSt8functionIFvmEE(ptr noundef nonnull align 8 dereferenceable(40), ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #2 align 2

attributes #0 = { nobuiltin nounwind allocsize(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 = { nobuiltin nounwind "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 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 = { builtin nounwind allocsize(0) }
attributes #4 = { builtin 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)"}


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