; LLVM IR from sbu-fsl/kernel-ml :: src/models (model)

; 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.model_multithreading = type { [32 x %struct.mt_buffer], [32 x i32], i32, i32, i32, i64, ptr }
%struct.mt_buffer = type { 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 @init_multithreading_execution(ptr noundef %0, i32 noundef %1, i32 noundef %2) #1 {
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !9
  store i32 %2, ptr %6, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #3
  store i32 0, ptr %7, align 4, !tbaa !9
  %8 = load ptr, ptr %4, align 8, !tbaa !5
  %9 = getelementptr inbounds %struct.model_multithreading, ptr %8, i32 0, i32 2
  call void @kml_atomic_int_init(ptr noundef %9, i32 noundef 0)
  %10 = load ptr, ptr %4, align 8, !tbaa !5
  %11 = getelementptr inbounds %struct.model_multithreading, ptr %10, i32 0, i32 3
  call void @kml_atomic_int_init(ptr noundef %11, i32 noundef 0)
  %12 = load ptr, ptr %4, align 8, !tbaa !5
  %13 = getelementptr inbounds %struct.model_multithreading, ptr %12, i32 0, i32 4
  call void @kml_atomic_int_init(ptr noundef %13, i32 noundef 0)
  store i32 0, ptr %7, align 4, !tbaa !9
  br label %14

14:                                               ; preds = %40, %3
  %15 = load i32, ptr %7, align 4, !tbaa !9
  %16 = icmp slt i32 %15, 32
  br i1 %16, label %17, label %43

17:                                               ; preds = %14
  %18 = load i32, ptr %5, align 4, !tbaa !9
  %19 = load i32, ptr %6, align 4, !tbaa !9
  %20 = call ptr @allocate_matrix(i32 noundef %18, i32 noundef %19, i32 noundef 1)
  %21 = load ptr, ptr %4, align 8, !tbaa !5
  %22 = getelementptr inbounds %struct.model_multithreading, ptr %21, i32 0, i32 0
  %23 = load i32, ptr %7, align 4, !tbaa !9
  %24 = sext i32 %23 to i64
  %25 = getelementptr inbounds [32 x %struct.mt_buffer], ptr %22, i64 0, i64 %24
  %26 = getelementptr inbounds %struct.mt_buffer, ptr %25, i32 0, i32 0
  store ptr %20, ptr %26, align 8, !tbaa !11
  %27 = load i32, ptr %5, align 4, !tbaa !9
  %28 = call ptr @allocate_matrix(i32 noundef %27, i32 noundef 1, i32 noundef 1)
  %29 = load ptr, ptr %4, align 8, !tbaa !5
  %30 = getelementptr inbounds %struct.model_multithreading, ptr %29, i32 0, i32 0
  %31 = load i32, ptr %7, align 4, !tbaa !9
  %32 = sext i32 %31 to i64
  %33 = getelementptr inbounds [32 x %struct.mt_buffer], ptr %30, i64 0, i64 %32
  %34 = getelementptr inbounds %struct.mt_buffer, ptr %33, i32 0, i32 1
  store ptr %28, ptr %34, align 8, !tbaa !13
  %35 = load ptr, ptr %4, align 8, !tbaa !5
  %36 = getelementptr inbounds %struct.model_multithreading, ptr %35, i32 0, i32 1
  %37 = load i32, ptr %7, align 4, !tbaa !9
  %38 = sext i32 %37 to i64
  %39 = getelementptr inbounds [32 x i32], ptr %36, i64 0, i64 %38
  call void @kml_atomic_int_init(ptr noundef %39, i32 noundef 0)
  br label %40

40:                                               ; preds = %17
  %41 = load i32, ptr %7, align 4, !tbaa !9
  %42 = add nsw i32 %41, 1
  store i32 %42, ptr %7, align 4, !tbaa !9
  br label %14, !llvm.loop !14

43:                                               ; preds = %14
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #3
  ret void
}

declare void @kml_atomic_int_init(ptr noundef, i32 noundef) #2

declare ptr @allocate_matrix(i32 noundef, i32 noundef, i32 noundef) #2

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 = { "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, !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 = !{!"int", !7, i64 0}
!11 = !{!12, !6, i64 0}
!12 = !{!"mt_buffer", !6, i64 0, !6, i64 8}
!13 = !{!12, !6, i64 8}
!14 = distinct !{!14, !15}
!15 = !{!"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"

%struct.mt_buffer = type { ptr, ptr }

; Function Attrs: nounwind uwtable
define dso_local void @init_multithreading_execution(ptr noundef %0, i32 noundef %1, i32 noundef %2) local_unnamed_addr #0 {
  %4 = getelementptr inbounds i8, ptr %0, i64 640
  tail call void @kml_atomic_int_init(ptr noundef nonnull %4, i32 noundef 0) #2
  %5 = getelementptr inbounds i8, ptr %0, i64 644
  tail call void @kml_atomic_int_init(ptr noundef nonnull %5, i32 noundef 0) #2
  %6 = getelementptr inbounds i8, ptr %0, i64 648
  tail call void @kml_atomic_int_init(ptr noundef nonnull %6, i32 noundef 0) #2
  %7 = getelementptr inbounds i8, ptr %0, i64 512
  br label %8

8:                                                ; preds = %3, %8
  %indvars.iv = phi i64 [ 0, %3 ], [ %indvars.iv.next, %8 ]
  %9 = tail call ptr @allocate_matrix(i32 noundef %1, i32 noundef %2, i32 noundef 1) #2
  %10 = getelementptr inbounds [32 x %struct.mt_buffer], ptr %0, i64 0, i64 %indvars.iv
  store ptr %9, ptr %10, align 8, !tbaa !5
  %11 = tail call ptr @allocate_matrix(i32 noundef %1, i32 noundef 1, i32 noundef 1) #2
  %12 = getelementptr inbounds i8, ptr %10, i64 8
  store ptr %11, ptr %12, align 8, !tbaa !10
  %13 = getelementptr inbounds [32 x i32], ptr %7, i64 0, i64 %indvars.iv
  tail call void @kml_atomic_int_init(ptr noundef nonnull %13, i32 noundef 0) #2
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, 32
  br i1 %exitcond.not, label %14, label %8, !llvm.loop !11

14:                                               ; preds = %8
  ret void
}

declare void @kml_atomic_int_init(ptr noundef, i32 noundef) local_unnamed_addr #1

declare ptr @allocate_matrix(i32 noundef, i32 noundef, i32 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 = !{!6, !7, i64 0}
!6 = !{!"mt_buffer", !7, i64 0, !7, i64 8}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!6, !7, i64 8}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,LICMPass,LoopRotatePass,SROAPass,SimplifyCFGPass,TailCallElimPass