; LLVM IR from NCAR/FastEddy-model :: SRC/PARAMETERS (hashTable)

; 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"

%struct._entry_t_ = type { ptr, ptr, ptr }
%struct._hash_table_t_ = type { i32, ptr }

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nounwind allocsize(0)
declare noalias ptr @malloc(i64 noundef) #1

; 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 i32 @hash(ptr noundef, ptr noundef) #2

; Function Attrs: nounwind uwtable
declare dso_local ptr @lookup_pair(ptr noundef, ptr noundef) #2

; Function Attrs: nounwind uwtable
define dso_local i32 @add_pair(ptr noundef %0, ptr noundef %1, ptr noundef %2) #2 {
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca ptr, align 8
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  store ptr %0, ptr %5, align 8, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !5
  store ptr %2, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #4
  %12 = load ptr, ptr %5, align 8, !tbaa !5
  %13 = load ptr, ptr %6, align 8, !tbaa !5
  %14 = call i32 @hash(ptr noundef %12, ptr noundef %13)
  store i32 %14, ptr %10, align 4, !tbaa !9
  %15 = call noalias ptr @malloc(i64 noundef 24) #5
  store ptr %15, ptr %8, align 8, !tbaa !5
  %16 = icmp eq ptr %15, null
  br i1 %16, label %17, label %18

17:                                               ; preds = %3
  store i32 1, ptr %4, align 4
  store i32 1, ptr %11, align 4
  br label %49

18:                                               ; preds = %3
  %19 = load ptr, ptr %5, align 8, !tbaa !5
  %20 = load ptr, ptr %6, align 8, !tbaa !5
  %21 = call ptr @lookup_pair(ptr noundef %19, ptr noundef %20)
  store ptr %21, ptr %9, align 8, !tbaa !5
  %22 = load ptr, ptr %9, align 8, !tbaa !5
  %23 = icmp ne ptr %22, null
  br i1 %23, label %24, label %25

24:                                               ; preds = %18
  store i32 2, ptr %4, align 4
  store i32 1, ptr %11, align 4
  br label %49

25:                                               ; preds = %18
  %26 = load ptr, ptr %6, align 8, !tbaa !5
  %27 = call noalias ptr @strdup(ptr noundef %26) #4
  %28 = load ptr, ptr %8, align 8, !tbaa !5
  %29 = getelementptr inbounds %struct._entry_t_, ptr %28, i32 0, i32 0
  store ptr %27, ptr %29, align 8, !tbaa !11
  %30 = load ptr, ptr %7, align 8, !tbaa !5
  %31 = load ptr, ptr %8, align 8, !tbaa !5
  %32 = getelementptr inbounds %struct._entry_t_, ptr %31, i32 0, i32 1
  store ptr %30, ptr %32, align 8, !tbaa !13
  %33 = load ptr, ptr %5, align 8, !tbaa !5
  %34 = getelementptr inbounds %struct._hash_table_t_, ptr %33, i32 0, i32 1
  %35 = load ptr, ptr %34, align 8, !tbaa !14
  %36 = load i32, ptr %10, align 4, !tbaa !9
  %37 = zext i32 %36 to i64
  %38 = getelementptr inbounds ptr, ptr %35, i64 %37
  %39 = load ptr, ptr %38, align 8, !tbaa !5
  %40 = load ptr, ptr %8, align 8, !tbaa !5
  %41 = getelementptr inbounds %struct._entry_t_, ptr %40, i32 0, i32 2
  store ptr %39, ptr %41, align 8, !tbaa !16
  %42 = load ptr, ptr %8, align 8, !tbaa !5
  %43 = load ptr, ptr %5, align 8, !tbaa !5
  %44 = getelementptr inbounds %struct._hash_table_t_, ptr %43, i32 0, i32 1
  %45 = load ptr, ptr %44, align 8, !tbaa !14
  %46 = load i32, ptr %10, align 4, !tbaa !9
  %47 = zext i32 %46 to i64
  %48 = getelementptr inbounds ptr, ptr %45, i64 %47
  store ptr %42, ptr %48, align 8, !tbaa !5
  store i32 0, ptr %4, align 4
  store i32 1, ptr %11, align 4
  br label %49

49:                                               ; preds = %25, %24, %17
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #4
  %50 = load i32, ptr %4, align 4
  ret i32 %50
}

; Function Attrs: nounwind
declare noalias ptr @strdup(ptr noundef) #3

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nounwind allocsize(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 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 "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 #4 = { nounwind }
attributes #5 = { nounwind allocsize(0) }

!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 = !{!12, !6, i64 0}
!12 = !{!"_entry_t_", !6, i64 0, !6, i64 8, !6, i64 16}
!13 = !{!12, !6, i64 8}
!14 = !{!15, !6, i64 8}
!15 = !{!"_hash_table_t_", !10, i64 0, !6, i64 8}
!16 = !{!12, !6, i64 16}


; 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 nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(inaccessiblemem: readwrite)
declare noalias noundef ptr @malloc(i64 noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare dso_local i32 @hash(ptr noundef, ptr noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
declare dso_local ptr @lookup_pair(ptr noundef, ptr noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
define dso_local range(i32 0, 3) i32 @add_pair(ptr noundef %0, ptr noundef %1, ptr noundef %2) local_unnamed_addr #1 {
  %4 = tail call i32 @hash(ptr noundef %0, ptr noundef %1)
  %5 = tail call noalias dereferenceable_or_null(24) ptr @malloc(i64 noundef 24) #3
  %6 = icmp eq ptr %5, null
  br i1 %6, label %18, label %7

7:                                                ; preds = %3
  %8 = tail call ptr @lookup_pair(ptr noundef %0, ptr noundef %1)
  %.not = icmp eq ptr %8, null
  br i1 %.not, label %9, label %18

9:                                                ; preds = %7
  %10 = tail call noalias ptr @strdup(ptr noundef %1) #4
  store ptr %10, ptr %5, align 8, !tbaa !5
  %11 = getelementptr inbounds i8, ptr %5, i64 8
  store ptr %2, ptr %11, align 8, !tbaa !10
  %12 = getelementptr inbounds i8, ptr %0, i64 8
  %13 = load ptr, ptr %12, align 8, !tbaa !11
  %14 = zext i32 %4 to i64
  %15 = getelementptr inbounds ptr, ptr %13, i64 %14
  %16 = load ptr, ptr %15, align 8, !tbaa !14
  %17 = getelementptr inbounds i8, ptr %5, i64 16
  store ptr %16, ptr %17, align 8, !tbaa !15
  store ptr %5, ptr %15, align 8, !tbaa !14
  br label %18

18:                                               ; preds = %7, %3, %9
  %.0 = phi i32 [ 0, %9 ], [ 1, %3 ], [ 2, %7 ]
  ret i32 %.0
}

; Function Attrs: mustprogress nofree nounwind willreturn memory(argmem: readwrite, inaccessiblemem: readwrite)
declare noalias ptr @strdup(ptr nocapture noundef readonly) local_unnamed_addr #2

attributes #0 = { mustprogress nofree nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(inaccessiblemem: readwrite) "alloc-family"="malloc" "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 = { mustprogress nofree nounwind willreturn memory(argmem: readwrite, inaccessiblemem: readwrite) "alloc-family"="malloc" "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 allocsize(0) }
attributes #4 = { 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, !7, i64 0}
!6 = !{!"_entry_t_", !7, i64 0, !7, i64 8, !7, i64 16}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!6, !7, i64 8}
!11 = !{!12, !7, i64 8}
!12 = !{!"_hash_table_t_", !13, i64 0, !7, i64 8}
!13 = !{!"int", !8, i64 0}
!14 = !{!7, !7, i64 0}
!15 = !{!6, !7, i64 16}


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