; 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
@deque = external dso_local global [5 x i32], align 16
@.str.8 = external hidden unnamed_addr constant [17 x i8], align 1
@.str.9 = external hidden unnamed_addr constant [21 x i8], align 1
@.str.10 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.11 = external hidden unnamed_addr constant [2 x i8], align 1

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

declare i32 @printf(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: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: nounwind uwtable
define dso_local void @displayDeque() #0 {
  %1 = alloca i32, align 4
  %2 = call i32 @isEmpty()
  %3 = icmp ne i32 %2, 0
  br i1 %3, label %4, label %6

4:                                                ; preds = %0
  %5 = call i32 (ptr, ...) @printf(ptr noundef @.str.8)
  br label %26

6:                                                ; preds = %0
  %7 = call i32 (ptr, ...) @printf(ptr noundef @.str.9)
  call void @llvm.lifetime.start.p0(i64 4, ptr %1) #3
  %8 = load i32, ptr @front, align 4, !tbaa !5
  store i32 %8, ptr %1, align 4, !tbaa !5
  br label %9

9:                                                ; preds = %20, %6
  br label %10

10:                                               ; preds = %9
  %11 = load i32, ptr %1, align 4, !tbaa !5
  %12 = sext i32 %11 to i64
  %13 = getelementptr inbounds [5 x i32], ptr @deque, i64 0, i64 %12
  %14 = load i32, ptr %13, align 4, !tbaa !5
  %15 = call i32 (ptr, ...) @printf(ptr noundef @.str.10, i32 noundef %14)
  %16 = load i32, ptr %1, align 4, !tbaa !5
  %17 = load i32, ptr @rear, align 4, !tbaa !5
  %18 = icmp eq i32 %16, %17
  br i1 %18, label %19, label %20

19:                                               ; preds = %10
  br label %24

20:                                               ; preds = %10
  %21 = load i32, ptr %1, align 4, !tbaa !5
  %22 = add nsw i32 %21, 1
  %23 = srem i32 %22, 5
  store i32 %23, ptr %1, align 4, !tbaa !5
  br label %9

24:                                               ; preds = %19
  %25 = call i32 (ptr, ...) @printf(ptr noundef @.str.11)
  call void @llvm.lifetime.end.p0(i64 4, ptr %1) #3
  br label %26

26:                                               ; preds = %24, %4
  ret void
}

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" }
attributes #2 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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 = !{!"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
@deque = external dso_local local_unnamed_addr global [5 x i32], align 16
@.str.8 = external hidden unnamed_addr constant [17 x i8], align 1
@.str.9 = external hidden unnamed_addr constant [21 x i8], align 1
@.str.10 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.11 = external hidden unnamed_addr constant [2 x i8], align 1

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

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

; Function Attrs: nounwind uwtable
define dso_local void @displayDeque() local_unnamed_addr #0 {
  %1 = tail call i32 @isEmpty()
  %.not = icmp eq i32 %1, 0
  br i1 %.not, label %2, label %._crit_edge

2:                                                ; preds = %0
  %3 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.9)
  %4 = load i32, ptr @front, align 4, !tbaa !5
  %5 = sext i32 %4 to i64
  %6 = getelementptr inbounds [5 x i32], ptr @deque, i64 0, i64 %5
  %7 = load i32, ptr %6, align 4, !tbaa !5
  %8 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.10, i32 noundef %7)
  %9 = load i32, ptr @rear, align 4, !tbaa !5
  %10 = icmp eq i32 %4, %9
  br i1 %10, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %2, %.lr.ph
  %.03 = phi i32 [ %12, %.lr.ph ], [ %4, %2 ]
  %11 = add nsw i32 %.03, 1
  %12 = srem i32 %11, 5
  %13 = sext i32 %12 to i64
  %14 = getelementptr inbounds [5 x i32], ptr @deque, i64 0, i64 %13
  %15 = load i32, ptr %14, align 4, !tbaa !5
  %16 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.10, i32 noundef %15)
  %17 = load i32, ptr @rear, align 4, !tbaa !5
  %18 = icmp eq i32 %12, %17
  br i1 %18, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %.lr.ph, %2, %0
  %.str.11.sink = phi ptr [ @.str.8, %0 ], [ @.str.11, %2 ], [ @.str.11, %.lr.ph ]
  %19 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) %.str.11.sink)
  ret void
}

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: GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass