; LLVM IR from kala13x/libxutils :: tools (xtop)

; 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: nounwind uwtable
define dso_local zeroext i8 @XTOPApp_GetSortType(ptr noundef %0) #0 {
  %2 = alloca i8, align 1
  %3 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  %4 = load ptr, ptr %3, align 8, !tbaa !5
  %5 = icmp eq ptr %4, null
  br i1 %5, label %6, label %7

6:                                                ; preds = %1
  store i8 0, ptr %2, align 1
  br label %29

7:                                                ; preds = %1
  %8 = load ptr, ptr %3, align 8, !tbaa !5
  %9 = load i8, ptr %8, align 1, !tbaa !9
  %10 = sext i8 %9 to i32
  %11 = icmp eq i32 %10, 98
  br i1 %11, label %12, label %13

12:                                               ; preds = %7
  store i8 1, ptr %2, align 1
  br label %29

13:                                               ; preds = %7
  %14 = load ptr, ptr %3, align 8, !tbaa !5
  %15 = load i8, ptr %14, align 1, !tbaa !9
  %16 = sext i8 %15 to i32
  %17 = icmp eq i32 %16, 102
  br i1 %17, label %18, label %19

18:                                               ; preds = %13
  store i8 2, ptr %2, align 1
  br label %29

19:                                               ; preds = %13
  %20 = load ptr, ptr %3, align 8, !tbaa !5
  %21 = load i8, ptr %20, align 1, !tbaa !9
  %22 = sext i8 %21 to i32
  %23 = icmp eq i32 %22, 110
  br i1 %23, label %24, label %25

24:                                               ; preds = %19
  store i8 3, ptr %2, align 1
  br label %29

25:                                               ; preds = %19
  br label %26

26:                                               ; preds = %25
  br label %27

27:                                               ; preds = %26
  br label %28

28:                                               ; preds = %27
  store i8 0, ptr %2, align 1
  br label %29

29:                                               ; preds = %28, %24, %18, %12, %6
  %30 = load i8, ptr %2, align 1
  ret i8 %30
}

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" }

!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 = !{!7, !7, i64 0}


; 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(argmem: read) uwtable
define dso_local zeroext range(i8 0, 4) i8 @XTOPApp_GetSortType(ptr noundef readonly %0) local_unnamed_addr #0 {
  %2 = icmp eq ptr %0, null
  br i1 %2, label %8, label %3

3:                                                ; preds = %1
  %4 = load i8, ptr %0, align 1, !tbaa !5
  switch i8 %4, label %7 [
    i8 98, label %8
    i8 102, label %5
    i8 110, label %6
  ]

5:                                                ; preds = %3
  br label %8

6:                                                ; preds = %3
  br label %8

7:                                                ; preds = %3
  br label %8

8:                                                ; preds = %3, %1, %7, %6, %5
  %.0 = phi i8 [ 2, %5 ], [ 3, %6 ], [ 0, %7 ], [ 0, %1 ], [ 1, %3 ]
  ret i8 %.0
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(argmem: read) 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)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C/C++ TBAA"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass