; LLVM IR from themisvaltinos/Partitioned-Hash-Join :: modules/scheduler (scheduler)

; 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.job_scheduler = type { %struct.job_queue, i64, ptr, i64, i8, i8, %union.pthread_mutex_t, %union.pthread_cond_t, %union.pthread_mutex_t, %union.pthread_cond_t }
%struct.job_queue = type { ptr, i64, i64, i64 }
%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 }
%union.pthread_cond_t = type { %struct.__pthread_cond_s }
%struct.__pthread_cond_s = type { %union.__atomic_wide_counter, %union.__atomic_wide_counter, [2 x i32], [2 x i32], i32, i32, [2 x i32] }
%union.__atomic_wide_counter = type { i64 }

; Function Attrs: nounwind uwtable
define dso_local ptr @initializeScheduler(i64 noundef %0) #0 {
  %2 = alloca i64, align 8
  %3 = alloca ptr, align 8
  %4 = alloca i64, align 8
  store i64 %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #4
  %5 = call ptr @memAlloc(i32 noundef 240, i32 noundef 1, i1 noundef zeroext false, ptr noundef null)
  store ptr %5, ptr %3, align 8, !tbaa !9
  %6 = load i64, ptr %2, align 8, !tbaa !5
  %7 = load ptr, ptr %3, align 8, !tbaa !9
  %8 = getelementptr inbounds %struct.job_scheduler, ptr %7, i32 0, i32 1
  store i64 %6, ptr %8, align 8, !tbaa !11
  %9 = load i64, ptr %2, align 8, !tbaa !5
  %10 = trunc i64 %9 to i32
  %11 = call ptr @memAlloc(i32 noundef 8, i32 noundef %10, i1 noundef zeroext true, ptr noundef null)
  %12 = load ptr, ptr %3, align 8, !tbaa !9
  %13 = getelementptr inbounds %struct.job_scheduler, ptr %12, i32 0, i32 2
  store ptr %11, ptr %13, align 8, !tbaa !15
  %14 = load ptr, ptr %3, align 8, !tbaa !9
  %15 = getelementptr inbounds %struct.job_scheduler, ptr %14, i32 0, i32 0
  call void @initializeQueue(ptr noundef %15, i64 noundef 1024)
  %16 = load ptr, ptr %3, align 8, !tbaa !9
  %17 = getelementptr inbounds %struct.job_scheduler, ptr %16, i32 0, i32 3
  store i64 0, ptr %17, align 8, !tbaa !16
  %18 = load ptr, ptr %3, align 8, !tbaa !9
  %19 = getelementptr inbounds %struct.job_scheduler, ptr %18, i32 0, i32 4
  store i8 0, ptr %19, align 8, !tbaa !17
  %20 = load ptr, ptr %3, align 8, !tbaa !9
  %21 = getelementptr inbounds %struct.job_scheduler, ptr %20, i32 0, i32 5
  store i8 0, ptr %21, align 1, !tbaa !18
  %22 = load ptr, ptr %3, align 8, !tbaa !9
  %23 = getelementptr inbounds %struct.job_scheduler, ptr %22, i32 0, i32 6
  %24 = call i32 @pthread_mutex_init(ptr noundef %23, ptr noundef null) #4
  %25 = load ptr, ptr %3, align 8, !tbaa !9
  %26 = getelementptr inbounds %struct.job_scheduler, ptr %25, i32 0, i32 7
  %27 = call i32 @pthread_cond_init(ptr noundef %26, ptr noundef null) #4
  %28 = load ptr, ptr %3, align 8, !tbaa !9
  %29 = getelementptr inbounds %struct.job_scheduler, ptr %28, i32 0, i32 8
  %30 = call i32 @pthread_mutex_init(ptr noundef %29, ptr noundef null) #4
  %31 = load ptr, ptr %3, align 8, !tbaa !9
  %32 = getelementptr inbounds %struct.job_scheduler, ptr %31, i32 0, i32 9
  %33 = call i32 @pthread_cond_init(ptr noundef %32, ptr noundef null) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #4
  store i64 0, ptr %4, align 8, !tbaa !5
  br label %34

34:                                               ; preds = %47, %1
  %35 = load i64, ptr %4, align 8, !tbaa !5
  %36 = load i64, ptr %2, align 8, !tbaa !5
  %37 = icmp ult i64 %35, %36
  br i1 %37, label %39, label %38

38:                                               ; preds = %34
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #4
  br label %50

39:                                               ; preds = %34
  %40 = load ptr, ptr %3, align 8, !tbaa !9
  %41 = getelementptr inbounds %struct.job_scheduler, ptr %40, i32 0, i32 2
  %42 = load ptr, ptr %41, align 8, !tbaa !15
  %43 = load i64, ptr %4, align 8, !tbaa !5
  %44 = getelementptr inbounds i64, ptr %42, i64 %43
  %45 = load ptr, ptr %3, align 8, !tbaa !9
  %46 = call i32 @pthread_create(ptr noundef %44, ptr noundef null, ptr noundef @schedulerLoop, ptr noundef %45) #4
  br label %47

47:                                               ; preds = %39
  %48 = load i64, ptr %4, align 8, !tbaa !5
  %49 = add i64 %48, 1
  store i64 %49, ptr %4, align 8, !tbaa !5
  br label %34, !llvm.loop !19

50:                                               ; preds = %38
  %51 = load ptr, ptr %3, align 8, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #4
  ret ptr %51
}

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

declare ptr @memAlloc(i32 noundef, i32 noundef, i1 noundef zeroext, ptr noundef) #2

; Function Attrs: nounwind uwtable
declare hidden void @initializeQueue(ptr noundef, i64 noundef) #0

; Function Attrs: nounwind
declare i32 @pthread_mutex_init(ptr noundef, ptr noundef) #3

; Function Attrs: nounwind
declare i32 @pthread_cond_init(ptr noundef, ptr noundef) #3

; Function Attrs: nounwind
declare i32 @pthread_create(ptr noundef, ptr noundef, ptr noundef, ptr noundef) #3

; Function Attrs: nounwind uwtable
declare hidden ptr @schedulerLoop(ptr noundef) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { "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 "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 #4 = { 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/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = !{!12, !6, i64 32}
!12 = !{!"job_scheduler", !13, i64 0, !6, i64 32, !10, i64 40, !6, i64 48, !14, i64 56, !14, i64 57, !7, i64 64, !7, i64 104, !7, i64 152, !7, i64 192}
!13 = !{!"job_queue", !10, i64 0, !6, i64 8, !6, i64 16, !6, i64 24}
!14 = !{!"_Bool", !7, i64 0}
!15 = !{!12, !10, i64 40}
!16 = !{!12, !6, i64 48}
!17 = !{!12, !14, i64 56}
!18 = !{!12, !14, i64 57}
!19 = distinct !{!19, !20}
!20 = !{!"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 ptr @initializeScheduler(i64 noundef %0) local_unnamed_addr #0 {
  %2 = tail call ptr @memAlloc(i32 noundef 240, i32 noundef 1, i1 noundef zeroext false, ptr noundef null) #3
  %3 = getelementptr inbounds i8, ptr %2, i64 32
  store i64 %0, ptr %3, align 8, !tbaa !5
  %4 = trunc i64 %0 to i32
  %5 = tail call ptr @memAlloc(i32 noundef 8, i32 noundef %4, i1 noundef zeroext true, ptr noundef null) #3
  %6 = getelementptr inbounds i8, ptr %2, i64 40
  store ptr %5, ptr %6, align 8, !tbaa !13
  tail call void @initializeQueue(ptr noundef %2, i64 noundef 1024)
  %7 = getelementptr inbounds i8, ptr %2, i64 48
  store i64 0, ptr %7, align 8, !tbaa !14
  %8 = getelementptr inbounds i8, ptr %2, i64 56
  store i8 0, ptr %8, align 8, !tbaa !15
  %9 = getelementptr inbounds i8, ptr %2, i64 57
  store i8 0, ptr %9, align 1, !tbaa !16
  %10 = getelementptr inbounds i8, ptr %2, i64 64
  %11 = tail call i32 @pthread_mutex_init(ptr noundef nonnull %10, ptr noundef null) #3
  %12 = getelementptr inbounds i8, ptr %2, i64 104
  %13 = tail call i32 @pthread_cond_init(ptr noundef nonnull %12, ptr noundef null) #3
  %14 = getelementptr inbounds i8, ptr %2, i64 152
  %15 = tail call i32 @pthread_mutex_init(ptr noundef nonnull %14, ptr noundef null) #3
  %16 = getelementptr inbounds i8, ptr %2, i64 192
  %17 = tail call i32 @pthread_cond_init(ptr noundef nonnull %16, ptr noundef null) #3
  %.not = icmp eq i64 %0, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %.lr.ph, %1
  ret ptr %2

.lr.ph:                                           ; preds = %1, %.lr.ph
  %.018 = phi i64 [ %21, %.lr.ph ], [ 0, %1 ]
  %18 = load ptr, ptr %6, align 8, !tbaa !13
  %19 = getelementptr inbounds i64, ptr %18, i64 %.018
  %20 = tail call i32 @pthread_create(ptr noundef %19, ptr noundef null, ptr noundef nonnull @schedulerLoop, ptr noundef nonnull %2) #3
  %21 = add nuw i64 %.018, 1
  %exitcond.not = icmp eq i64 %21, %0
  br i1 %exitcond.not, label %._crit_edge, label %.lr.ph, !llvm.loop !17
}

declare ptr @memAlloc(i32 noundef, i32 noundef, i1 noundef zeroext, ptr noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
declare hidden void @initializeQueue(ptr noundef, i64 noundef) local_unnamed_addr #0

; Function Attrs: nounwind
declare i32 @pthread_mutex_init(ptr noundef, ptr noundef) local_unnamed_addr #2

; Function Attrs: nounwind
declare i32 @pthread_cond_init(ptr noundef, ptr noundef) local_unnamed_addr #2

; Function Attrs: nounwind
declare i32 @pthread_create(ptr noundef, ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #2

; Function Attrs: nounwind uwtable
declare hidden ptr @schedulerLoop(ptr noundef) #0

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 "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, !11, i64 32}
!6 = !{!"job_scheduler", !7, i64 0, !11, i64 32, !8, i64 40, !11, i64 48, !12, i64 56, !12, i64 57, !9, i64 64, !9, i64 104, !9, i64 152, !9, i64 192}
!7 = !{!"job_queue", !8, i64 0, !11, i64 8, !11, i64 16, !11, i64 24}
!8 = !{!"any pointer", !9, i64 0}
!9 = !{!"omnipotent char", !10, i64 0}
!10 = !{!"Simple C/C++ TBAA"}
!11 = !{!"long", !9, i64 0}
!12 = !{!"_Bool", !9, i64 0}
!13 = !{!6, !8, i64 40}
!14 = !{!6, !11, i64 48}
!15 = !{!6, !12, i64 56}
!16 = !{!6, !12, i64 57}
!17 = distinct !{!17, !18}
!18 = !{!"llvm.loop.mustprogress"}


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