; LLVM IR from Discngine/fpocket :: src (pertable)

; 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"

@ST_standard_nucl_acid_names = external hidden global [9 x ptr], align 16

; 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 willreturn memory(read)
declare i32 @strncmp(ptr noundef, ptr noundef, i64 noundef) #1

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

6:                                                ; preds = %19, %1
  %7 = load i32, ptr %4, align 4, !tbaa !9
  %8 = icmp slt i32 %7, 9
  br i1 %8, label %9, label %22

9:                                                ; preds = %6
  %10 = load ptr, ptr %3, align 8, !tbaa !5
  %11 = load i32, ptr %4, align 4, !tbaa !9
  %12 = sext i32 %11 to i64
  %13 = getelementptr inbounds [9 x ptr], ptr @ST_standard_nucl_acid_names, i64 0, i64 %12
  %14 = load ptr, ptr %13, align 8, !tbaa !5
  %15 = call i32 @strncmp(ptr noundef %10, ptr noundef %14, i64 noundef 3) #4
  %16 = icmp ne i32 %15, 0
  br i1 %16, label %18, label %17

17:                                               ; preds = %9
  store i32 1, ptr %2, align 4
  store i32 1, ptr %5, align 4
  br label %23

18:                                               ; preds = %9
  br label %19

19:                                               ; preds = %18
  %20 = load i32, ptr %4, align 4, !tbaa !9
  %21 = add nsw i32 %20, 1
  store i32 %21, ptr %4, align 4, !tbaa !9
  br label %6, !llvm.loop !11

22:                                               ; preds = %6
  store i32 0, ptr %2, align 4
  store i32 1, ptr %5, align 4
  br label %23

23:                                               ; preds = %22, %17
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #3
  %24 = load i32, ptr %2, align 4
  ret i32 %24
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nounwind willreturn memory(read) "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 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 = { nounwind willreturn memory(read) }

!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 = distinct !{!11, !12}
!12 = !{!"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"

@ST_standard_nucl_acid_names = external hidden local_unnamed_addr global [9 x ptr], align 16

; Function Attrs: mustprogress nofree nounwind willreturn memory(argmem: read)
declare i32 @strncmp(ptr nocapture noundef, ptr nocapture noundef, i64 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nofree nounwind willreturn memory(read, inaccessiblemem: none) uwtable
define dso_local range(i32 0, 2) i32 @element_in_nucl_acid(ptr nocapture noundef readonly %0) local_unnamed_addr #1 {
  %2 = load ptr, ptr @ST_standard_nucl_acid_names, align 16, !tbaa !5
  %3 = tail call i32 @strncmp(ptr noundef nonnull dereferenceable(1) %0, ptr noundef nonnull dereferenceable(1) %2, i64 noundef 3) #2
  %.not = icmp eq i32 %3, 0
  br i1 %.not, label %28, label %4

4:                                                ; preds = %1
  %5 = load ptr, ptr getelementptr inbounds (i8, ptr @ST_standard_nucl_acid_names, i64 8), align 8, !tbaa !5
  %6 = tail call i32 @strncmp(ptr noundef nonnull dereferenceable(1) %0, ptr noundef nonnull dereferenceable(1) %5, i64 noundef 3) #2
  %.not.1 = icmp eq i32 %6, 0
  br i1 %.not.1, label %28, label %7

7:                                                ; preds = %4
  %8 = load ptr, ptr getelementptr inbounds (i8, ptr @ST_standard_nucl_acid_names, i64 16), align 16, !tbaa !5
  %9 = tail call i32 @strncmp(ptr noundef nonnull dereferenceable(1) %0, ptr noundef nonnull dereferenceable(1) %8, i64 noundef 3) #2
  %.not.2 = icmp eq i32 %9, 0
  br i1 %.not.2, label %28, label %10

10:                                               ; preds = %7
  %11 = load ptr, ptr getelementptr inbounds (i8, ptr @ST_standard_nucl_acid_names, i64 24), align 8, !tbaa !5
  %12 = tail call i32 @strncmp(ptr noundef nonnull dereferenceable(1) %0, ptr noundef nonnull dereferenceable(1) %11, i64 noundef 3) #2
  %.not.3 = icmp eq i32 %12, 0
  br i1 %.not.3, label %28, label %13

13:                                               ; preds = %10
  %14 = load ptr, ptr getelementptr inbounds (i8, ptr @ST_standard_nucl_acid_names, i64 32), align 16, !tbaa !5
  %15 = tail call i32 @strncmp(ptr noundef nonnull dereferenceable(1) %0, ptr noundef nonnull dereferenceable(1) %14, i64 noundef 3) #2
  %.not.4 = icmp eq i32 %15, 0
  br i1 %.not.4, label %28, label %16

16:                                               ; preds = %13
  %17 = load ptr, ptr getelementptr inbounds (i8, ptr @ST_standard_nucl_acid_names, i64 40), align 8, !tbaa !5
  %18 = tail call i32 @strncmp(ptr noundef nonnull dereferenceable(1) %0, ptr noundef nonnull dereferenceable(1) %17, i64 noundef 3) #2
  %.not.5 = icmp eq i32 %18, 0
  br i1 %.not.5, label %28, label %19

19:                                               ; preds = %16
  %20 = load ptr, ptr getelementptr inbounds (i8, ptr @ST_standard_nucl_acid_names, i64 48), align 16, !tbaa !5
  %21 = tail call i32 @strncmp(ptr noundef nonnull dereferenceable(1) %0, ptr noundef nonnull dereferenceable(1) %20, i64 noundef 3) #2
  %.not.6 = icmp eq i32 %21, 0
  br i1 %.not.6, label %28, label %22

22:                                               ; preds = %19
  %23 = load ptr, ptr getelementptr inbounds (i8, ptr @ST_standard_nucl_acid_names, i64 56), align 8, !tbaa !5
  %24 = tail call i32 @strncmp(ptr noundef nonnull dereferenceable(1) %0, ptr noundef nonnull dereferenceable(1) %23, i64 noundef 3) #2
  %.not.7 = icmp eq i32 %24, 0
  br i1 %.not.7, label %28, label %25

25:                                               ; preds = %22
  %26 = load ptr, ptr getelementptr inbounds (i8, ptr @ST_standard_nucl_acid_names, i64 64), align 16, !tbaa !5
  %27 = tail call i32 @strncmp(ptr noundef nonnull dereferenceable(1) %0, ptr noundef nonnull dereferenceable(1) %26, i64 noundef 3) #2
  %.not.8 = icmp eq i32 %27, 0
  %spec.select = zext i1 %.not.8 to i32
  br label %28

28:                                               ; preds = %25, %22, %19, %16, %13, %10, %7, %4, %1
  %.04 = phi i32 [ 1, %1 ], [ 1, %4 ], [ 1, %7 ], [ 1, %10 ], [ 1, %13 ], [ 1, %16 ], [ 1, %19 ], [ 1, %22 ], [ %spec.select, %25 ]
  ret i32 %.04
}

attributes #0 = { mustprogress nofree nounwind willreturn memory(argmem: read) "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 = { mustprogress nofree nounwind willreturn memory(read, inaccessiblemem: 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" }
attributes #2 = { nounwind willreturn memory(read) }

!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"}


; Effective O3 passes: GVNPass,GlobalOptPass,IPSCCPPass,IndVarSimplifyPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,LoopRotatePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass