; LLVM IR from turi-code/SFrame :: oss_test/graphlab/lock_free_pushback.ll (Z10testthreadmm)

; 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"

%"class.graphlab::lockfree_push_back" = type <{ ptr, %"struct.graphlab::lockfree_push_back_impl::idx_ref", %"class.graphlab::mutex", float, [4 x i8] }>
%"struct.graphlab::lockfree_push_back_impl::idx_ref" = type { i32, %"class.graphlab::atomic" }
%"class.graphlab::atomic" = type { %"class.graphlab::graphlab_impl::atomic_impl" }
%"class.graphlab::graphlab_impl::atomic_impl" = type { i64 }
%"class.graphlab::mutex" = type { %union.pthread_mutex_t }
%union.pthread_mutex_t = type { %struct.__pthread_mutex_s }
%struct.__pthread_mutex_s = type { i32, i32, i32, i32, i32, i16, i16, %struct.__pthread_internal_list }
%struct.__pthread_internal_list = type { ptr, ptr }

@pusher = external dso_local global %"class.graphlab::lockfree_push_back", align 8

; Function Attrs: mustprogress uwtable
define dso_local void @_Z10testthreadmm(i64 noundef %0, i64 noundef %1) #0 {
  %3 = alloca i64, align 8
  %4 = alloca i64, align 8
  %5 = alloca i64, align 8
  store i64 %0, ptr %3, align 8, !tbaa !5
  store i64 %1, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #2
  %6 = load i64, ptr %3, align 8, !tbaa !5
  store i64 %6, ptr %5, align 8, !tbaa !5
  br label %7

7:                                                ; preds = %14, %2
  %8 = load i64, ptr %5, align 8, !tbaa !5
  %9 = load i64, ptr %4, align 8, !tbaa !5
  %10 = icmp ult i64 %8, %9
  br i1 %10, label %12, label %11

11:                                               ; preds = %7
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #2
  br label %17

12:                                               ; preds = %7
  %13 = call noundef i64 @_ZN8graphlab18lockfree_push_backISt6vectorImSaImEEmE9push_backERKm(ptr noundef nonnull align 8 dereferenceable(68) @pusher, ptr noundef nonnull align 8 dereferenceable(8) %5)
  br label %14

14:                                               ; preds = %12
  %15 = load i64, ptr %5, align 8, !tbaa !5
  %16 = add i64 %15, 1
  store i64 %16, ptr %5, align 8, !tbaa !5
  br label %7, !llvm.loop !9

17:                                               ; preds = %11
  ret void
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_ZN8graphlab18lockfree_push_backISt6vectorImSaImEEmE9push_backERKm(ptr noundef nonnull align 8 dereferenceable(68), ptr noundef nonnull align 8 dereferenceable(8)) #0 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

attributes #0 = { 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 #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"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"

%"class.graphlab::lockfree_push_back" = type <{ ptr, %"struct.graphlab::lockfree_push_back_impl::idx_ref", %"class.graphlab::mutex", float, [4 x i8] }>
%"struct.graphlab::lockfree_push_back_impl::idx_ref" = type { i32, %"class.graphlab::atomic" }
%"class.graphlab::atomic" = type { %"class.graphlab::graphlab_impl::atomic_impl" }
%"class.graphlab::graphlab_impl::atomic_impl" = type { i64 }
%"class.graphlab::mutex" = type { %union.pthread_mutex_t }
%union.pthread_mutex_t = type { %struct.__pthread_mutex_s }
%struct.__pthread_mutex_s = type { i32, i32, i32, i32, i32, i16, i16, %struct.__pthread_internal_list }
%struct.__pthread_internal_list = type { ptr, ptr }

@pusher = external dso_local global %"class.graphlab::lockfree_push_back", align 8

; Function Attrs: mustprogress uwtable
define dso_local void @_Z10testthreadmm(i64 noundef %0, i64 noundef %1) local_unnamed_addr #0 {
  %3 = alloca i64, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #2
  store i64 %0, ptr %3, align 8, !tbaa !5
  %4 = icmp ult i64 %0, %1
  br i1 %4, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %2
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #2
  ret void

.lr.ph:                                           ; preds = %2, %.lr.ph
  %5 = call noundef i64 @_ZN8graphlab18lockfree_push_backISt6vectorImSaImEEmE9push_backERKm(ptr noundef nonnull align 8 dereferenceable(68) @pusher, ptr noundef nonnull align 8 dereferenceable(8) %3)
  %6 = load i64, ptr %3, align 8, !tbaa !5
  %7 = add i64 %6, 1
  store i64 %7, ptr %3, align 8, !tbaa !5
  %8 = icmp ult i64 %7, %1
  br i1 %8, label %.lr.ph, label %._crit_edge, !llvm.loop !9
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_ZN8graphlab18lockfree_push_backISt6vectorImSaImEEmE9push_backERKm(ptr noundef nonnull align 8 dereferenceable(68), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

attributes #0 = { 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 #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = !{!"long", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


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