; LLVM IR from maksimandrianov/cdcontainers :: src/adapters (deque)

; 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_deque = type { ptr, ptr }
%struct.cdc_sequence_table = type { ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr, ptr }

@.str = external hidden unnamed_addr constant [14 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [83 x i8], align 1
@__PRETTY_FUNCTION__.cdc_deque_ctor = external hidden unnamed_addr constant [82 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [10 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local i32 @cdc_deque_ctor(ptr noundef %0, ptr noundef %1, ptr noundef %2) #0 {
  %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 i32, align 4
  %10 = 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
  %11 = load ptr, ptr %5, align 8, !tbaa !5
  %12 = icmp ne ptr %11, null
  br i1 %12, label %13, label %14

13:                                               ; preds = %3
  br label %15

14:                                               ; preds = %3
  call void @__assert_fail(ptr noundef @.str, ptr noundef @.str.1, i32 noundef 26, ptr noundef @__PRETTY_FUNCTION__.cdc_deque_ctor) #5
  unreachable

15:                                               ; preds = %13
  %16 = load ptr, ptr %6, align 8, !tbaa !5
  %17 = icmp ne ptr %16, null
  br i1 %17, label %18, label %19

18:                                               ; preds = %15
  br label %20

19:                                               ; preds = %15
  call void @__assert_fail(ptr noundef @.str.2, ptr noundef @.str.1, i32 noundef 27, ptr noundef @__PRETTY_FUNCTION__.cdc_deque_ctor) #5
  unreachable

20:                                               ; preds = %18
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #6
  %21 = call noalias ptr @malloc(i64 noundef 16) #7
  store ptr %21, ptr %8, align 8, !tbaa !5
  %22 = load ptr, ptr %8, align 8, !tbaa !5
  %23 = icmp ne ptr %22, null
  br i1 %23, label %25, label %24

24:                                               ; preds = %20
  store i32 1, ptr %4, align 4
  store i32 1, ptr %9, align 4
  br label %47

25:                                               ; preds = %20
  %26 = load ptr, ptr %5, align 8, !tbaa !5
  %27 = load ptr, ptr %8, align 8, !tbaa !5
  %28 = getelementptr inbounds %struct.cdc_deque, ptr %27, i32 0, i32 1
  store ptr %26, ptr %28, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #6
  %29 = load ptr, ptr %8, align 8, !tbaa !5
  %30 = getelementptr inbounds %struct.cdc_deque, ptr %29, i32 0, i32 1
  %31 = load ptr, ptr %30, align 8, !tbaa !9
  %32 = getelementptr inbounds %struct.cdc_sequence_table, ptr %31, i32 0, i32 0
  %33 = load ptr, ptr %32, align 8, !tbaa !11
  %34 = load ptr, ptr %8, align 8, !tbaa !5
  %35 = getelementptr inbounds %struct.cdc_deque, ptr %34, i32 0, i32 0
  %36 = load ptr, ptr %7, align 8, !tbaa !5
  %37 = call i32 %33(ptr noundef %35, ptr noundef %36)
  store i32 %37, ptr %10, align 4, !tbaa !13
  %38 = load i32, ptr %10, align 4, !tbaa !13
  %39 = icmp ne i32 %38, 0
  br i1 %39, label %40, label %43

40:                                               ; preds = %25
  %41 = load ptr, ptr %8, align 8, !tbaa !5
  call void @free(ptr noundef %41) #6
  %42 = load i32, ptr %10, align 4, !tbaa !13
  store i32 %42, ptr %4, align 4
  store i32 1, ptr %9, align 4
  br label %46

43:                                               ; preds = %25
  %44 = load ptr, ptr %8, align 8, !tbaa !5
  %45 = load ptr, ptr %6, align 8, !tbaa !5
  store ptr %44, ptr %45, align 8, !tbaa !5
  store i32 0, ptr %4, align 4
  store i32 1, ptr %9, align 4
  br label %46

46:                                               ; preds = %43, %40
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #6
  br label %47

47:                                               ; preds = %46, %24
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #6
  %48 = load i32, ptr %4, align 4
  ret i32 %48
}

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: nounwind allocsize(0)
declare noalias ptr @malloc(i64 noundef) #3

; Function Attrs: nounwind
declare void @free(ptr noundef) #4

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

attributes #0 = { 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 #1 = { 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 #2 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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 #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 = { noreturn nounwind }
attributes #6 = { nounwind }
attributes #7 = { 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, !6, i64 8}
!10 = !{!"cdc_deque", !6, i64 0, !6, i64 8}
!11 = !{!12, !6, i64 0}
!12 = !{!"cdc_sequence_table", !6, i64 0, !6, i64 8, !6, i64 16, !6, i64 24, !6, i64 32, !6, i64 40, !6, i64 48, !6, i64 56, !6, i64 64, !6, i64 72, !6, i64 80, !6, i64 88, !6, i64 96, !6, i64 104, !6, i64 112, !6, i64 120}
!13 = !{!14, !14, i64 0}
!14 = !{!"int", !7, 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 = external hidden unnamed_addr constant [14 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [83 x i8], align 1
@__PRETTY_FUNCTION__.cdc_deque_ctor = external hidden unnamed_addr constant [82 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [10 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local i32 @cdc_deque_ctor(ptr noundef %0, ptr noundef writeonly %1, ptr noundef %2) local_unnamed_addr #0 {
  %.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 26, ptr noundef nonnull @__PRETTY_FUNCTION__.cdc_deque_ctor) #4
  unreachable

5:                                                ; preds = %3
  %.not17 = icmp eq ptr %1, null
  br i1 %.not17, label %6, label %7

6:                                                ; preds = %5
  tail call void @__assert_fail(ptr noundef nonnull @.str.2, ptr noundef nonnull @.str.1, i32 noundef 27, ptr noundef nonnull @__PRETTY_FUNCTION__.cdc_deque_ctor) #4
  unreachable

7:                                                ; preds = %5
  %8 = tail call noalias dereferenceable_or_null(16) ptr @malloc(i64 noundef 16) #5
  %.not18 = icmp eq ptr %8, null
  br i1 %.not18, label %15, label %9

9:                                                ; preds = %7
  %10 = getelementptr inbounds i8, ptr %8, i64 8
  store ptr %0, ptr %10, align 8, !tbaa !5
  %11 = load ptr, ptr %0, align 8, !tbaa !10
  %12 = tail call i32 %11(ptr noundef nonnull %8, ptr noundef %2) #6
  %.not19 = icmp eq i32 %12, 0
  br i1 %.not19, label %14, label %13

13:                                               ; preds = %9
  tail call void @free(ptr noundef nonnull %8) #6
  br label %15

14:                                               ; preds = %9
  store ptr %8, ptr %1, align 8, !tbaa !12
  br label %15

15:                                               ; preds = %13, %14, %7
  %.1 = phi i32 [ 1, %7 ], [ %12, %13 ], [ 0, %14 ]
  ret i32 %.1
}

; Function Attrs: noreturn nounwind
declare void @__assert_fail(ptr noundef, ptr noundef, i32 noundef, ptr noundef) local_unnamed_addr #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 #2

; Function Attrs: mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite)
declare void @free(ptr allocptr nocapture noundef) local_unnamed_addr #3

attributes #0 = { 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 #1 = { 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 #2 = { 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 #3 = { mustprogress nounwind willreturn allockind("free") 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 = { noreturn nounwind }
attributes #5 = { nounwind allocsize(0) }
attributes #6 = { 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 = !{!"cdc_deque", !7, i64 0, !7, i64 8}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!11, !7, i64 0}
!11 = !{!"cdc_sequence_table", !7, i64 0, !7, i64 8, !7, i64 16, !7, i64 24, !7, i64 32, !7, i64 40, !7, i64 48, !7, i64 56, !7, i64 64, !7, i64 72, !7, i64 80, !7, i64 88, !7, i64 96, !7, i64 104, !7, i64 112, !7, i64 120}
!12 = !{!7, !7, i64 0}


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