; LLVM IR from AlgoGenesis/C :: Queue/DoubleEndedQueue (DoubleEndedQueue)

; 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"

@front = external dso_local global i32, align 4
@rear = external dso_local global i32, align 4
@.str = external hidden unnamed_addr constant [65 x i8], align 1
@deque = external dso_local global [5 x i32], align 16
@.str.1 = external hidden unnamed_addr constant [27 x i8], align 1

; Function Attrs: nounwind uwtable
declare dso_local i32 @isFull() #0

; Function Attrs: nounwind uwtable
define dso_local void @insertFront(i32 noundef %0) #0 {
  %2 = alloca i32, align 4
  store i32 %0, ptr %2, align 4, !tbaa !5
  %3 = call i32 @isFull()
  %4 = icmp ne i32 %3, 0
  br i1 %4, label %5, label %7

5:                                                ; preds = %1
  %6 = call i32 (ptr, ...) @printf(ptr noundef @.str)
  br label %26

7:                                                ; preds = %1
  %8 = load i32, ptr @front, align 4, !tbaa !5
  %9 = icmp eq i32 %8, -1
  br i1 %9, label %10, label %11

10:                                               ; preds = %7
  store i32 0, ptr @front, align 4, !tbaa !5
  store i32 0, ptr @rear, align 4, !tbaa !5
  br label %19

11:                                               ; preds = %7
  %12 = load i32, ptr @front, align 4, !tbaa !5
  %13 = icmp eq i32 %12, 0
  br i1 %13, label %14, label %15

14:                                               ; preds = %11
  store i32 4, ptr @front, align 4, !tbaa !5
  br label %18

15:                                               ; preds = %11
  %16 = load i32, ptr @front, align 4, !tbaa !5
  %17 = sub nsw i32 %16, 1
  store i32 %17, ptr @front, align 4, !tbaa !5
  br label %18

18:                                               ; preds = %15, %14
  br label %19

19:                                               ; preds = %18, %10
  %20 = load i32, ptr %2, align 4, !tbaa !5
  %21 = load i32, ptr @front, align 4, !tbaa !5
  %22 = sext i32 %21 to i64
  %23 = getelementptr inbounds [5 x i32], ptr @deque, i64 0, i64 %22
  store i32 %20, ptr %23, align 4, !tbaa !5
  %24 = load i32, ptr %2, align 4, !tbaa !5
  %25 = call i32 (ptr, ...) @printf(ptr noundef @.str.1, i32 noundef %24)
  br label %26

26:                                               ; preds = %19, %5
  ret void
}

declare i32 @printf(ptr noundef, ...) #1

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 = { "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" }

!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"}


; 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"

@front = external dso_local local_unnamed_addr global i32, align 4
@rear = external dso_local local_unnamed_addr global i32, align 4
@.str = external hidden unnamed_addr constant [65 x i8], align 1
@deque = external dso_local local_unnamed_addr global [5 x i32], align 16
@.str.1 = external hidden unnamed_addr constant [27 x i8], align 1

; Function Attrs: nounwind uwtable
declare dso_local i32 @isFull() local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local void @insertFront(i32 noundef %0) local_unnamed_addr #0 {
  %2 = tail call i32 @isFull()
  %.not = icmp eq i32 %2, 0
  br i1 %.not, label %5, label %3

3:                                                ; preds = %1
  %4 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str)
  br label %16

5:                                                ; preds = %1
  %6 = load i32, ptr @front, align 4, !tbaa !5
  switch i32 %6, label %9 [
    i32 -1, label %7
    i32 0, label %8
  ]

7:                                                ; preds = %5
  store i32 0, ptr @front, align 4, !tbaa !5
  store i32 0, ptr @rear, align 4, !tbaa !5
  br label %12

8:                                                ; preds = %5
  store i32 4, ptr @front, align 4, !tbaa !5
  br label %12

9:                                                ; preds = %5
  %10 = add nsw i32 %6, -1
  store i32 %10, ptr @front, align 4, !tbaa !5
  %11 = sext i32 %10 to i64
  br label %12

12:                                               ; preds = %8, %9, %7
  %13 = phi i64 [ 4, %8 ], [ %11, %9 ], [ 0, %7 ]
  %14 = getelementptr inbounds [5 x i32], ptr @deque, i64 0, i64 %13
  store i32 %0, ptr %14, align 4, !tbaa !5
  %15 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, i32 noundef %0)
  br label %16

16:                                               ; preds = %12, %3
  ret void
}

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #1

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 = { nofree 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" }

!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"}


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