; LLVM IR from alexzheng42/sDMD :: src (Models)

; 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"

@.str.47 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.65 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.66 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.67 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: nounwind willreturn memory(read)
declare i32 @strcmp(ptr noundef, ptr noundef) #0

; Function Attrs: nounwind uwtable
define dso_local i32 @NeighborModel(ptr noundef %0, ptr noundef %1) #1 {
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  %6 = load ptr, ptr %4, align 8, !tbaa !5
  %7 = call i32 @strncmp(ptr noundef %6, ptr noundef @.str.65, i64 noundef 1) #2
  %8 = icmp eq i32 %7, 0
  br i1 %8, label %9, label %10

9:                                                ; preds = %2
  store i32 3, ptr %3, align 4
  br label %31

10:                                               ; preds = %2
  %11 = load ptr, ptr %4, align 8, !tbaa !5
  %12 = call i32 @strcmp(ptr noundef %11, ptr noundef @.str.47) #2
  %13 = icmp eq i32 %12, 0
  br i1 %13, label %14, label %15

14:                                               ; preds = %10
  store i32 5, ptr %3, align 4
  br label %31

15:                                               ; preds = %10
  %16 = load ptr, ptr %4, align 8, !tbaa !5
  %17 = call i32 @strncmp(ptr noundef %16, ptr noundef @.str.66, i64 noundef 1) #2
  %18 = icmp eq i32 %17, 0
  br i1 %18, label %19, label %25

19:                                               ; preds = %15
  %20 = load ptr, ptr %5, align 8, !tbaa !5
  %21 = call i32 @strncmp(ptr noundef %20, ptr noundef @.str.67, i64 noundef 1) #2
  %22 = icmp eq i32 %21, 0
  br i1 %22, label %23, label %24

23:                                               ; preds = %19
  store i32 2, ptr %3, align 4
  br label %31

24:                                               ; preds = %19
  store i32 6, ptr %3, align 4
  br label %31

25:                                               ; preds = %15
  %26 = load ptr, ptr %5, align 8, !tbaa !5
  %27 = call i32 @strncmp(ptr noundef %26, ptr noundef @.str.67, i64 noundef 1) #2
  %28 = icmp eq i32 %27, 0
  br i1 %28, label %29, label %30

29:                                               ; preds = %25
  store i32 5, ptr %3, align 4
  br label %31

30:                                               ; preds = %25
  store i32 2, ptr %3, align 4
  br label %31

31:                                               ; preds = %30, %29, %24, %23, %14, %9
  %32 = load i32, ptr %3, align 4
  ret i32 %32
}

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

attributes #0 = { 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 #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 = { 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"}


; 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"

@.str.47 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.65 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.66 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.67 = external hidden unnamed_addr constant [2 x i8], align 1

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

; Function Attrs: mustprogress nofree nounwind willreturn memory(argmem: read) uwtable
define dso_local range(i32 2, 7) i32 @NeighborModel(ptr nocapture noundef readonly %0, ptr nocapture noundef readonly %1) local_unnamed_addr #1 {
  %lhsc = load i8, ptr %0, align 1
  %rhsc = load i8, ptr @.str.65, align 1
  %3 = icmp eq i8 %lhsc, %rhsc
  br i1 %3, label %12, label %4

4:                                                ; preds = %2
  %5 = tail call i32 @strcmp(ptr noundef nonnull dereferenceable(1) %0, ptr noundef nonnull dereferenceable(1) @.str.47) #2
  %6 = icmp eq i32 %5, 0
  br i1 %6, label %12, label %7

7:                                                ; preds = %4
  %rhsc6 = load i8, ptr @.str.66, align 1
  %8 = icmp eq i8 %lhsc, %rhsc6
  %lhsc9 = load i8, ptr %1, align 1
  %rhsc10 = load i8, ptr @.str.67, align 1
  %9 = icmp eq i8 %lhsc9, %rhsc10
  br i1 %8, label %10, label %11

10:                                               ; preds = %7
  %. = select i1 %9, i32 2, i32 6
  br label %12

11:                                               ; preds = %7
  %.11 = select i1 %9, i32 5, i32 2
  br label %12

12:                                               ; preds = %11, %10, %4, %2
  %.0 = phi i32 [ 3, %2 ], [ 5, %4 ], [ %., %10 ], [ %.11, %11 ]
  ret i32 %.0
}

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(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" }
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)"}


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