; LLVM IR from ohler55/agoo :: ext/agoo (ready)

; 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._agooReady = type { ptr, i32, double, ptr, ptr }
%struct._link = type { ptr, ptr, i32, ptr, ptr, 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: nounwind uwtable
define dso_local void @agoo_ready_iterate(ptr noundef %0, ptr noundef %1, ptr noundef %2) #1 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  store ptr %2, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #2
  %8 = load ptr, ptr %4, align 8, !tbaa !5
  %9 = getelementptr inbounds %struct._agooReady, ptr %8, i32 0, i32 0
  %10 = load ptr, ptr %9, align 8, !tbaa !9
  store ptr %10, ptr %7, align 8, !tbaa !5
  br label %11

11:                                               ; preds = %20, %3
  %12 = load ptr, ptr %7, align 8, !tbaa !5
  %13 = icmp ne ptr null, %12
  br i1 %13, label %14, label %24

14:                                               ; preds = %11
  %15 = load ptr, ptr %5, align 8, !tbaa !5
  %16 = load ptr, ptr %7, align 8, !tbaa !5
  %17 = getelementptr inbounds %struct._link, ptr %16, i32 0, i32 3
  %18 = load ptr, ptr %17, align 8, !tbaa !13
  %19 = load ptr, ptr %6, align 8, !tbaa !5
  call void %15(ptr noundef %18, ptr noundef %19)
  br label %20

20:                                               ; preds = %14
  %21 = load ptr, ptr %7, align 8, !tbaa !5
  %22 = getelementptr inbounds %struct._link, ptr %21, i32 0, i32 0
  %23 = load ptr, ptr %22, align 8, !tbaa !15
  store ptr %23, ptr %7, align 8, !tbaa !5
  br label %11, !llvm.loop !16

24:                                               ; preds = %11
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #2
  ret void
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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, !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 = !{!"_agooReady", !6, i64 0, !11, i64 8, !12, i64 16, !6, i64 24, !6, i64 32}
!11 = !{!"int", !7, i64 0}
!12 = !{!"double", !7, i64 0}
!13 = !{!14, !6, i64 24}
!14 = !{!"_link", !6, i64 0, !6, i64 8, !11, i64 16, !6, i64 24, !6, i64 32, !6, i64 40}
!15 = !{!14, !6, i64 0}
!16 = distinct !{!16, !17}
!17 = !{!"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"

; Function Attrs: nounwind uwtable
define dso_local void @agoo_ready_iterate(ptr nocapture noundef readonly %0, ptr nocapture noundef readonly %1, ptr noundef %2) local_unnamed_addr #0 {
  %.06 = load ptr, ptr %0, align 8, !tbaa !5
  %.not7 = icmp eq ptr %.06, null
  br i1 %.not7, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %3, %.lr.ph
  %.08 = phi ptr [ %.0, %.lr.ph ], [ %.06, %3 ]
  %4 = getelementptr inbounds i8, ptr %.08, i64 24
  %5 = load ptr, ptr %4, align 8, !tbaa !9
  tail call void %1(ptr noundef %5, ptr noundef %2) #1
  %.0 = load ptr, ptr %.08, align 8, !tbaa !5
  %.not = icmp eq ptr %.0, null
  br i1 %.not, label %._crit_edge, label %.lr.ph, !llvm.loop !12

._crit_edge:                                      ; preds = %.lr.ph, %3
  ret void
}

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 = { 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 24}
!10 = !{!"_link", !6, i64 0, !6, i64 8, !11, i64 16, !6, i64 24, !6, i64 32, !6, i64 40}
!11 = !{!"int", !7, i64 0}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}


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