; LLVM IR from ryanlayer/giggle :: src (giggle_index)

; 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.chrm_index = type { ptr, ptr }

@.str.52 = external hidden unnamed_addr constant [34 x i8], align 1

; 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: noreturn
declare void @err(i32 noundef, ptr noundef, ...) #2

; 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
define dso_local ptr @chrm_index_init(i32 noundef %0, ptr noundef %1) #3 {
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  store i32 %0, ptr %3, align 4, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #6
  %6 = call noalias ptr @malloc(i64 noundef 16) #7
  store ptr %6, ptr %5, align 8, !tbaa !9
  %7 = load ptr, ptr %5, align 8, !tbaa !9
  %8 = icmp eq ptr %7, null
  br i1 %8, label %9, label %10

9:                                                ; preds = %2
  call void (i32, ptr, ...) @err(i32 noundef 1, ptr noundef @.str.52) #8
  unreachable

10:                                               ; preds = %2
  %11 = load i32, ptr %3, align 4, !tbaa !5
  %12 = call ptr @ordered_set_init(i32 noundef %11, ptr noundef @str_uint_pair_sort_element_cmp, ptr noundef @str_uint_pair_search_element_cmp, ptr noundef @str_uint_pair_search_key_cmp)
  %13 = load ptr, ptr %5, align 8, !tbaa !9
  %14 = getelementptr inbounds %struct.chrm_index, ptr %13, i32 0, i32 1
  store ptr %12, ptr %14, align 8, !tbaa !11
  %15 = load ptr, ptr %4, align 8, !tbaa !9
  %16 = icmp ne ptr %15, null
  br i1 %16, label %17, label %22

17:                                               ; preds = %10
  %18 = load ptr, ptr %4, align 8, !tbaa !9
  %19 = call noalias ptr @strdup(ptr noundef %18) #6
  %20 = load ptr, ptr %5, align 8, !tbaa !9
  %21 = getelementptr inbounds %struct.chrm_index, ptr %20, i32 0, i32 0
  store ptr %19, ptr %21, align 8, !tbaa !13
  br label %25

22:                                               ; preds = %10
  %23 = load ptr, ptr %5, align 8, !tbaa !9
  %24 = getelementptr inbounds %struct.chrm_index, ptr %23, i32 0, i32 0
  store ptr null, ptr %24, align 8, !tbaa !13
  br label %25

25:                                               ; preds = %22, %17
  %26 = load ptr, ptr %5, align 8, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #6
  ret ptr %26
}

; Function Attrs: nounwind
declare noalias ptr @strdup(ptr noundef) #4

declare ptr @ordered_set_init(i32 noundef, ptr noundef, ptr noundef, ptr noundef) #5

declare i32 @str_uint_pair_sort_element_cmp(ptr noundef, ptr noundef) #5

declare i32 @str_uint_pair_search_element_cmp(ptr noundef, ptr noundef) #5

declare i32 @str_uint_pair_search_key_cmp(ptr noundef, ptr noundef) #5

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 = { noreturn "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 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 #4 = { 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 #5 = { "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 #6 = { nounwind }
attributes #7 = { nounwind allocsize(0) }
attributes #8 = { noreturn }

!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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = !{!12, !10, i64 8}
!12 = !{!"chrm_index", !10, i64 0, !10, i64 8}
!13 = !{!12, !10, 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"

@.str.52 = external hidden unnamed_addr constant [34 x i8], align 1

; 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: noreturn
declare void @err(i32 noundef, ptr noundef, ...) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
define dso_local noalias noundef ptr @chrm_index_init(i32 noundef %0, ptr noundef readonly %1) local_unnamed_addr #2 {
  %3 = tail call noalias dereferenceable_or_null(16) ptr @malloc(i64 noundef 16) #5
  %4 = icmp eq ptr %3, null
  br i1 %4, label %5, label %6

5:                                                ; preds = %2
  tail call void (i32, ptr, ...) @err(i32 noundef 1, ptr noundef nonnull @.str.52) #6
  unreachable

6:                                                ; preds = %2
  %7 = tail call ptr @ordered_set_init(i32 noundef %0, ptr noundef nonnull @str_uint_pair_sort_element_cmp, ptr noundef nonnull @str_uint_pair_search_element_cmp, ptr noundef nonnull @str_uint_pair_search_key_cmp) #7
  %8 = getelementptr inbounds i8, ptr %3, i64 8
  store ptr %7, ptr %8, align 8, !tbaa !5
  %.not = icmp eq ptr %1, null
  br i1 %.not, label %11, label %9

9:                                                ; preds = %6
  %10 = tail call noalias ptr @strdup(ptr noundef nonnull %1) #7
  br label %11

11:                                               ; preds = %6, %9
  %storemerge = phi ptr [ %10, %9 ], [ null, %6 ]
  store ptr %storemerge, ptr %3, align 8, !tbaa !10
  ret ptr %3
}

; Function Attrs: mustprogress nofree nounwind willreturn memory(argmem: readwrite, inaccessiblemem: readwrite)
declare noalias ptr @strdup(ptr nocapture noundef readonly) local_unnamed_addr #3

declare ptr @ordered_set_init(i32 noundef, ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #4

declare i32 @str_uint_pair_sort_element_cmp(ptr noundef, ptr noundef) #4

declare i32 @str_uint_pair_search_element_cmp(ptr noundef, ptr noundef) #4

declare i32 @str_uint_pair_search_key_cmp(ptr noundef, ptr noundef) #4

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 = { noreturn "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 = { 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 #4 = { "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 #5 = { nounwind allocsize(0) }
attributes #6 = { noreturn nounwind }
attributes #7 = { 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 8}
!6 = !{!"chrm_index", !7, i64 0, !7, i64 8}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!6, !7, i64 0}


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