; LLVM IR from FRC-Utilities/LibDS :: src (array)

; 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._array = type { i64, i64, ptr }

@.str = external hidden unnamed_addr constant [6 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [65 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [12 x i8], align 1
@__PRETTY_FUNCTION__.DS_ArrayInsert = external hidden unnamed_addr constant [40 x i8], align 1

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) #0

; Function Attrs: nounwind uwtable
define dso_local void @DS_ArrayInsert(ptr noundef %0, ptr noundef %1) #1 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %5 = load ptr, ptr %3, align 8, !tbaa !5
  %6 = icmp ne ptr %5, null
  br i1 %6, label %7, label %8

7:                                                ; preds = %2
  br label %9

8:                                                ; preds = %2
  call void @__assert_fail(ptr noundef @.str, ptr noundef @.str.1, i32 noundef 67, ptr noundef @__PRETTY_FUNCTION__.DS_ArrayInsert) #3
  unreachable

9:                                                ; preds = %7
  %10 = load ptr, ptr %3, align 8, !tbaa !5
  %11 = getelementptr inbounds %struct._array, ptr %10, i32 0, i32 2
  %12 = load ptr, ptr %11, align 8, !tbaa !9
  %13 = icmp ne ptr %12, null
  br i1 %13, label %14, label %15

14:                                               ; preds = %9
  br label %16

15:                                               ; preds = %9
  call void @__assert_fail(ptr noundef @.str.2, ptr noundef @.str.1, i32 noundef 68, ptr noundef @__PRETTY_FUNCTION__.DS_ArrayInsert) #3
  unreachable

16:                                               ; preds = %14
  %17 = load ptr, ptr %3, align 8, !tbaa !5
  %18 = getelementptr inbounds %struct._array, ptr %17, i32 0, i32 0
  %19 = load i64, ptr %18, align 8, !tbaa !12
  %20 = load ptr, ptr %3, align 8, !tbaa !5
  %21 = getelementptr inbounds %struct._array, ptr %20, i32 0, i32 1
  %22 = load i64, ptr %21, align 8, !tbaa !13
  %23 = icmp eq i64 %19, %22
  br i1 %23, label %24, label %38

24:                                               ; preds = %16
  %25 = load ptr, ptr %3, align 8, !tbaa !5
  %26 = getelementptr inbounds %struct._array, ptr %25, i32 0, i32 1
  %27 = load i64, ptr %26, align 8, !tbaa !13
  %28 = mul i64 %27, 2
  store i64 %28, ptr %26, align 8, !tbaa !13
  %29 = load ptr, ptr %3, align 8, !tbaa !5
  %30 = getelementptr inbounds %struct._array, ptr %29, i32 0, i32 2
  %31 = load ptr, ptr %30, align 8, !tbaa !9
  %32 = load ptr, ptr %3, align 8, !tbaa !5
  %33 = getelementptr inbounds %struct._array, ptr %32, i32 0, i32 1
  %34 = load i64, ptr %33, align 8, !tbaa !13
  %35 = call ptr @realloc(ptr noundef %31, i64 noundef %34) #4
  %36 = load ptr, ptr %3, align 8, !tbaa !5
  %37 = getelementptr inbounds %struct._array, ptr %36, i32 0, i32 2
  store ptr %35, ptr %37, align 8, !tbaa !9
  br label %38

38:                                               ; preds = %24, %16
  %39 = load ptr, ptr %4, align 8, !tbaa !5
  %40 = load ptr, ptr %3, align 8, !tbaa !5
  %41 = getelementptr inbounds %struct._array, ptr %40, i32 0, i32 2
  %42 = load ptr, ptr %41, align 8, !tbaa !9
  %43 = load ptr, ptr %3, align 8, !tbaa !5
  %44 = getelementptr inbounds %struct._array, ptr %43, i32 0, i32 0
  %45 = load i64, ptr %44, align 8, !tbaa !12
  %46 = add i64 %45, 1
  store i64 %46, ptr %44, align 8, !tbaa !12
  %47 = getelementptr inbounds ptr, ptr %42, i64 %45
  store ptr %39, ptr %47, align 8, !tbaa !5
  ret void
}

; Function Attrs: nounwind allocsize(1)
declare ptr @realloc(ptr noundef, i64 noundef) #2

attributes #0 = { noreturn 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 #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 allocsize(1) "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 = { noreturn nounwind }
attributes #4 = { nounwind allocsize(1) }

!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, !6, i64 16}
!10 = !{!"_array", !11, i64 0, !11, i64 8, !6, i64 16}
!11 = !{!"long", !7, i64 0}
!12 = !{!10, !11, i64 0}
!13 = !{!10, !11, i64 8}


; 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 = external hidden unnamed_addr constant [6 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [65 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [12 x i8], align 1
@__PRETTY_FUNCTION__.DS_ArrayInsert = external hidden unnamed_addr constant [40 x i8], align 1

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local void @DS_ArrayInsert(ptr noundef %0, ptr noundef %1) local_unnamed_addr #1 {
  %.not = icmp eq ptr %0, null
  br i1 %.not, label %3, label %4

3:                                                ; preds = %2
  tail call void @__assert_fail(ptr noundef nonnull @.str, ptr noundef nonnull @.str.1, i32 noundef 67, ptr noundef nonnull @__PRETTY_FUNCTION__.DS_ArrayInsert) #3
  unreachable

4:                                                ; preds = %2
  %5 = getelementptr inbounds i8, ptr %0, i64 16
  %6 = load ptr, ptr %5, align 8, !tbaa !5
  %.not12 = icmp eq ptr %6, null
  br i1 %.not12, label %7, label %8

7:                                                ; preds = %4
  tail call void @__assert_fail(ptr noundef nonnull @.str.2, ptr noundef nonnull @.str.1, i32 noundef 68, ptr noundef nonnull @__PRETTY_FUNCTION__.DS_ArrayInsert) #3
  unreachable

8:                                                ; preds = %4
  %9 = load i64, ptr %0, align 8, !tbaa !11
  %10 = getelementptr inbounds i8, ptr %0, i64 8
  %11 = load i64, ptr %10, align 8, !tbaa !12
  %12 = icmp eq i64 %9, %11
  br i1 %12, label %13, label %16

13:                                               ; preds = %8
  %14 = shl i64 %9, 1
  store i64 %14, ptr %10, align 8, !tbaa !12
  %15 = tail call ptr @realloc(ptr noundef nonnull %6, i64 noundef %14) #4
  store ptr %15, ptr %5, align 8, !tbaa !5
  %.pre = load i64, ptr %0, align 8, !tbaa !11
  br label %16

16:                                               ; preds = %13, %8
  %17 = phi i64 [ %.pre, %13 ], [ %9, %8 ]
  %18 = phi ptr [ %15, %13 ], [ %6, %8 ]
  %19 = add i64 %17, 1
  store i64 %19, ptr %0, align 8, !tbaa !11
  %20 = getelementptr inbounds ptr, ptr %18, i64 %17
  store ptr %1, ptr %20, align 8, !tbaa !13
  ret void
}

; Function Attrs: mustprogress nounwind willreturn allockind("realloc") allocsize(1) memory(argmem: readwrite, inaccessiblemem: readwrite)
declare noalias noundef ptr @realloc(ptr allocptr nocapture noundef, i64 noundef) local_unnamed_addr #2

attributes #0 = { noreturn 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 #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 nounwind willreturn allockind("realloc") allocsize(1) 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 = { noreturn nounwind }
attributes #4 = { nounwind allocsize(1) }

!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, !10, i64 16}
!6 = !{!"_array", !7, i64 0, !7, i64 8, !10, i64 16}
!7 = !{!"long", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}
!11 = !{!6, !7, i64 0}
!12 = !{!6, !7, i64 8}
!13 = !{!10, !10, i64 0}


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