; LLVM IR from kmilo17pet/qlibs :: qvfloat (qVFloat_Sort)

; 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: 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
declare dso_local ptr @qVFloat_Copy(ptr noundef, ptr noundef, i64 noundef) #1

; Function Attrs: nounwind uwtable
define dso_local ptr @qVFloat_Sort(ptr noundef %0, ptr noundef %1, i1 noundef zeroext %2, i64 noundef %3) #1 {
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i8, align 1
  %8 = alloca i64, align 8
  %9 = alloca ptr, align 8
  store ptr %0, ptr %5, align 8, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !5
  %10 = zext i1 %2 to i8
  store i8 %10, ptr %7, align 1, !tbaa !9
  store i64 %3, ptr %8, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #3
  store ptr null, ptr %9, align 8, !tbaa !5
  %11 = load ptr, ptr %6, align 8, !tbaa !5
  %12 = icmp ne ptr %11, null
  br i1 %12, label %13, label %34

13:                                               ; preds = %4
  %14 = load i64, ptr %8, align 8, !tbaa !11
  %15 = icmp ugt i64 %14, 0
  br i1 %15, label %16, label %34

16:                                               ; preds = %13
  %17 = load ptr, ptr %5, align 8, !tbaa !5
  %18 = icmp ne ptr null, %17
  br i1 %18, label %19, label %24

19:                                               ; preds = %16
  %20 = load ptr, ptr %5, align 8, !tbaa !5
  %21 = load ptr, ptr %6, align 8, !tbaa !5
  %22 = load i64, ptr %8, align 8, !tbaa !11
  %23 = call ptr @qVFloat_Copy(ptr noundef %20, ptr noundef %21, i64 noundef %22)
  br label %26

24:                                               ; preds = %16
  %25 = load ptr, ptr %6, align 8, !tbaa !5
  br label %26

26:                                               ; preds = %24, %19
  %27 = phi ptr [ %23, %19 ], [ %25, %24 ]
  store ptr %27, ptr %9, align 8, !tbaa !5
  %28 = load ptr, ptr %9, align 8, !tbaa !5
  %29 = load i64, ptr %8, align 8, !tbaa !11
  %30 = load i8, ptr %7, align 1, !tbaa !9, !range !13, !noundef !14
  %31 = trunc i8 %30 to i1
  %32 = zext i1 %31 to i64
  %33 = select i1 %31, ptr @qVFloat_CmpAsc, ptr @qVFloat_CmpDes
  call void @qTypeGeneric_Sort(ptr noundef %28, i64 noundef %29, i64 noundef 4, ptr noundef %33, ptr noundef null)
  br label %34

34:                                               ; preds = %26, %13, %4
  %35 = load ptr, ptr %9, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #3
  ret ptr %35
}

declare void @qTypeGeneric_Sort(ptr noundef, i64 noundef, i64 noundef, ptr noundef, ptr noundef) #2

; Function Attrs: nounwind uwtable
declare hidden i32 @qVFloat_CmpAsc(ptr noundef, ptr noundef, ptr noundef) #1

; Function Attrs: nounwind uwtable
declare hidden i32 @qVFloat_CmpDes(ptr noundef, ptr noundef, ptr noundef) #1

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 = !{!"_Bool", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"long", !7, i64 0}
!13 = !{i8 0, i8 2}
!14 = !{}


; 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
declare dso_local ptr @qVFloat_Copy(ptr noundef, ptr noundef, i64 noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local noundef ptr @qVFloat_Sort(ptr noundef %0, ptr noundef %1, i1 noundef zeroext %2, i64 noundef %3) local_unnamed_addr #0 {
  %5 = icmp ne ptr %1, null
  %6 = icmp ne i64 %3, 0
  %or.cond = and i1 %5, %6
  br i1 %or.cond, label %7, label %13

7:                                                ; preds = %4
  %.not = icmp eq ptr %0, null
  br i1 %.not, label %10, label %8

8:                                                ; preds = %7
  %9 = tail call ptr @qVFloat_Copy(ptr noundef nonnull %0, ptr noundef nonnull %1, i64 noundef %3)
  br label %10

10:                                               ; preds = %7, %8
  %11 = phi ptr [ %9, %8 ], [ %1, %7 ]
  %12 = select i1 %2, ptr @qVFloat_CmpAsc, ptr @qVFloat_CmpDes
  tail call void @qTypeGeneric_Sort(ptr noundef %11, i64 noundef %3, i64 noundef 4, ptr noundef nonnull %12, ptr noundef null) #2
  br label %13

13:                                               ; preds = %10, %4
  %.0 = phi ptr [ %11, %10 ], [ null, %4 ]
  ret ptr %.0
}

declare void @qTypeGeneric_Sort(ptr noundef, i64 noundef, i64 noundef, ptr noundef, ptr noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
declare hidden i32 @qVFloat_CmpAsc(ptr noundef, ptr noundef, ptr noundef) #0

; Function Attrs: nounwind uwtable
declare hidden i32 @qVFloat_CmpDes(ptr noundef, ptr noundef, 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 }

!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,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass