; LLVM IR from venumb/ZSPACE :: cpp/depends/alglib/cpp/src/ap.ll (ZN11alglib_impl24ae_get_effective_workersEl)

; 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"

; Function Attrs: noreturn nounwind
declare void @abort() #0

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

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

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef i64 @_ZN11alglib_impl24ae_get_effective_workersEl(i64 noundef %0) #2 {
  %2 = alloca i64, align 8
  %3 = alloca i64, align 8
  %4 = alloca i64, align 8
  %5 = alloca i32, align 4
  store i64 %0, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #3
  store i64 1, ptr %4, align 8, !tbaa !5
  %6 = load i64, ptr %4, align 8, !tbaa !5
  %7 = icmp sge i64 %6, 1
  br i1 %7, label %9, label %8

8:                                                ; preds = %1
  call void @abort() #4
  unreachable

9:                                                ; preds = %1
  %10 = load i64, ptr %3, align 8, !tbaa !5
  %11 = icmp sge i64 %10, 1
  br i1 %11, label %12, label %22

12:                                               ; preds = %9
  %13 = load i64, ptr %3, align 8, !tbaa !5
  %14 = load i64, ptr %4, align 8, !tbaa !5
  %15 = icmp sgt i64 %13, %14
  br i1 %15, label %16, label %18

16:                                               ; preds = %12
  %17 = load i64, ptr %4, align 8, !tbaa !5
  br label %20

18:                                               ; preds = %12
  %19 = load i64, ptr %3, align 8, !tbaa !5
  br label %20

20:                                               ; preds = %18, %16
  %21 = phi i64 [ %17, %16 ], [ %19, %18 ]
  store i64 %21, ptr %2, align 8
  store i32 1, ptr %5, align 4
  br label %34

22:                                               ; preds = %9
  %23 = load i64, ptr %4, align 8, !tbaa !5
  %24 = load i64, ptr %3, align 8, !tbaa !5
  %25 = add nsw i64 %23, %24
  %26 = icmp sge i64 %25, 1
  br i1 %26, label %27, label %31

27:                                               ; preds = %22
  %28 = load i64, ptr %4, align 8, !tbaa !5
  %29 = load i64, ptr %3, align 8, !tbaa !5
  %30 = add nsw i64 %28, %29
  br label %32

31:                                               ; preds = %22
  br label %32

32:                                               ; preds = %31, %27
  %33 = phi i64 [ %30, %27 ], [ 1, %31 ]
  store i64 %33, ptr %2, align 8
  store i32 1, ptr %5, align 4
  br label %34

34:                                               ; preds = %32, %20
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #3
  %35 = load i64, ptr %2, align 8
  ret i64 %35
}

attributes #0 = { noreturn 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 #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress 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 #3 = { nounwind }
attributes #4 = { noreturn 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"}


; 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: mustprogress nofree norecurse nosync nounwind willreturn memory(none) uwtable
define dso_local noundef range(i64 -9223372036854775807, -9223372036854775808) i64 @_ZN11alglib_impl24ae_get_effective_workersEl(i64 noundef %0) local_unnamed_addr #0 {
  ret i64 1
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(none) 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" }

!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: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass