; LLVM IR from maksimandrianov/cdcontainers :: 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.cdc_array = type { i64, i64, ptr, ptr }

@.str = external hidden unnamed_addr constant [10 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [74 x i8], align 1
@__PRETTY_FUNCTION__.cdc_array_at = external hidden unnamed_addr constant [55 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [13 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 i32 @cdc_array_at(ptr noundef %0, i64 noundef %1, ptr noundef %2) #1 {
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca i64, align 8
  %7 = alloca ptr, align 8
  store ptr %0, ptr %5, align 8, !tbaa !5
  store i64 %1, ptr %6, align 8, !tbaa !9
  store ptr %2, ptr %7, align 8, !tbaa !5
  %8 = load ptr, ptr %5, align 8, !tbaa !5
  %9 = icmp ne ptr %8, null
  br i1 %9, label %10, label %11

10:                                               ; preds = %3
  br label %12

11:                                               ; preds = %3
  call void @__assert_fail(ptr noundef @.str, ptr noundef @.str.1, i32 noundef 246, ptr noundef @__PRETTY_FUNCTION__.cdc_array_at) #2
  unreachable

12:                                               ; preds = %10
  %13 = load ptr, ptr %7, align 8, !tbaa !5
  %14 = icmp ne ptr %13, null
  br i1 %14, label %15, label %16

15:                                               ; preds = %12
  br label %17

16:                                               ; preds = %12
  call void @__assert_fail(ptr noundef @.str.6, ptr noundef @.str.1, i32 noundef 247, ptr noundef @__PRETTY_FUNCTION__.cdc_array_at) #2
  unreachable

17:                                               ; preds = %15
  %18 = load i64, ptr %6, align 8, !tbaa !9
  %19 = load ptr, ptr %5, align 8, !tbaa !5
  %20 = getelementptr inbounds %struct.cdc_array, ptr %19, i32 0, i32 0
  %21 = load i64, ptr %20, align 8, !tbaa !11
  %22 = icmp ugt i64 %18, %21
  br i1 %22, label %23, label %24

23:                                               ; preds = %17
  store i32 2, ptr %4, align 4
  br label %32

24:                                               ; preds = %17
  %25 = load ptr, ptr %5, align 8, !tbaa !5
  %26 = getelementptr inbounds %struct.cdc_array, ptr %25, i32 0, i32 2
  %27 = load ptr, ptr %26, align 8, !tbaa !13
  %28 = load i64, ptr %6, align 8, !tbaa !9
  %29 = getelementptr inbounds ptr, ptr %27, i64 %28
  %30 = load ptr, ptr %29, align 8, !tbaa !5
  %31 = load ptr, ptr %7, align 8, !tbaa !5
  store ptr %30, ptr %31, align 8, !tbaa !5
  store i32 0, ptr %4, align 4
  br label %32

32:                                               ; preds = %24, %23
  %33 = load i32, ptr %4, align 4
  ret i32 %33
}

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 = { noreturn 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, !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 = !{!"long", !7, i64 0}
!11 = !{!12, !10, i64 0}
!12 = !{!"cdc_array", !10, i64 0, !10, i64 8, !6, i64 16, !6, i64 24}
!13 = !{!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"

@.str = external hidden unnamed_addr constant [10 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [74 x i8], align 1
@__PRETTY_FUNCTION__.cdc_array_at = external hidden unnamed_addr constant [55 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [13 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 range(i32 0, 3) i32 @cdc_array_at(ptr noundef readonly %0, i64 noundef %1, ptr noundef writeonly %2) local_unnamed_addr #1 {
  %.not = icmp eq ptr %0, null
  br i1 %.not, label %4, label %5

4:                                                ; preds = %3
  tail call void @__assert_fail(ptr noundef nonnull @.str, ptr noundef nonnull @.str.1, i32 noundef 246, ptr noundef nonnull @__PRETTY_FUNCTION__.cdc_array_at) #2
  unreachable

5:                                                ; preds = %3
  %.not10 = icmp eq ptr %2, null
  br i1 %.not10, label %6, label %7

6:                                                ; preds = %5
  tail call void @__assert_fail(ptr noundef nonnull @.str.6, ptr noundef nonnull @.str.1, i32 noundef 247, ptr noundef nonnull @__PRETTY_FUNCTION__.cdc_array_at) #2
  unreachable

7:                                                ; preds = %5
  %8 = load i64, ptr %0, align 8, !tbaa !5
  %9 = icmp ult i64 %8, %1
  br i1 %9, label %15, label %10

10:                                               ; preds = %7
  %11 = getelementptr inbounds i8, ptr %0, i64 16
  %12 = load ptr, ptr %11, align 8, !tbaa !11
  %13 = getelementptr inbounds ptr, ptr %12, i64 %1
  %14 = load ptr, ptr %13, align 8, !tbaa !12
  store ptr %14, ptr %2, align 8, !tbaa !12
  br label %15

15:                                               ; preds = %7, %10
  %.0 = phi i32 [ 0, %10 ], [ 2, %7 ]
  ret i32 %.0
}

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 = { noreturn 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 = !{!"cdc_array", !7, i64 0, !7, i64 8, !10, i64 16, !10, i64 24}
!7 = !{!"long", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}
!11 = !{!6, !10, i64 16}
!12 = !{!10, !10, i64 0}


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