; LLVM IR from bartobri/data-structures-c :: random-queue/array (main)

; 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"

@.str = external hidden unnamed_addr constant [13 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [13 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local i32 @main() #0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #4
  %4 = call i64 @time(ptr noundef null) #4
  %5 = trunc i64 %4 to i32
  call void @srand(i32 noundef %5) #4
  call void @QUEUEinit(i32 noundef 5)
  store i32 0, ptr %2, align 4, !tbaa !5
  br label %6

6:                                                ; preds = %15, %0
  %7 = load i32, ptr %2, align 4, !tbaa !5
  %8 = icmp slt i32 %7, 5
  br i1 %8, label %9, label %18

9:                                                ; preds = %6
  %10 = call i32 @rand() #4
  %11 = srem i32 %10, 100
  store i32 %11, ptr %3, align 4, !tbaa !5
  %12 = load i32, ptr %3, align 4, !tbaa !5
  call void @QUEUEput(i32 noundef %12)
  %13 = load i32, ptr %3, align 4, !tbaa !5
  %14 = call i32 (ptr, ...) @printf(ptr noundef @.str, i32 noundef %13)
  br label %15

15:                                               ; preds = %9
  %16 = load i32, ptr %2, align 4, !tbaa !5
  %17 = add nsw i32 %16, 1
  store i32 %17, ptr %2, align 4, !tbaa !5
  br label %6, !llvm.loop !9

18:                                               ; preds = %6
  store i32 0, ptr %2, align 4, !tbaa !5
  br label %19

19:                                               ; preds = %26, %18
  %20 = load i32, ptr %2, align 4, !tbaa !5
  %21 = icmp slt i32 %20, 5
  br i1 %21, label %22, label %29

22:                                               ; preds = %19
  %23 = call i32 @QUEUEget()
  store i32 %23, ptr %3, align 4, !tbaa !5
  %24 = load i32, ptr %3, align 4, !tbaa !5
  %25 = call i32 (ptr, ...) @printf(ptr noundef @.str.1, i32 noundef %24)
  br label %26

26:                                               ; preds = %22
  %27 = load i32, ptr %2, align 4, !tbaa !5
  %28 = add nsw i32 %27, 1
  store i32 %28, ptr %2, align 4, !tbaa !5
  br label %19, !llvm.loop !11

29:                                               ; preds = %19
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #4
  ret i32 0
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nounwind
declare void @srand(i32 noundef) #2

; Function Attrs: nounwind
declare i64 @time(ptr noundef) #2

declare void @QUEUEinit(i32 noundef) #3

; Function Attrs: nounwind
declare i32 @rand() #2

declare void @QUEUEput(i32 noundef) #3

declare i32 @printf(ptr noundef, ...) #3

declare i32 @QUEUEget() #3

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #3 = { "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 }

!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"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}


; 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 [13 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [13 x i8], align 1

; Function Attrs: nounwind uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 {
.preheader.preheader:
  %0 = tail call i64 @time(ptr noundef null) #4
  %1 = trunc i64 %0 to i32
  tail call void @srand(i32 noundef %1) #4
  tail call void @QUEUEinit(i32 noundef 5) #4
  %2 = tail call i32 @rand() #4
  %3 = srem i32 %2, 100
  tail call void @QUEUEput(i32 noundef %3) #4
  %4 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef %3)
  %5 = tail call i32 @rand() #4
  %6 = srem i32 %5, 100
  tail call void @QUEUEput(i32 noundef %6) #4
  %7 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef %6)
  %8 = tail call i32 @rand() #4
  %9 = srem i32 %8, 100
  tail call void @QUEUEput(i32 noundef %9) #4
  %10 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef %9)
  %11 = tail call i32 @rand() #4
  %12 = srem i32 %11, 100
  tail call void @QUEUEput(i32 noundef %12) #4
  %13 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef %12)
  %14 = tail call i32 @rand() #4
  %15 = srem i32 %14, 100
  tail call void @QUEUEput(i32 noundef %15) #4
  %16 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef %15)
  %17 = tail call i32 @QUEUEget() #4
  %18 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, i32 noundef %17)
  %19 = tail call i32 @QUEUEget() #4
  %20 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, i32 noundef %19)
  %21 = tail call i32 @QUEUEget() #4
  %22 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, i32 noundef %21)
  %23 = tail call i32 @QUEUEget() #4
  %24 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, i32 noundef %23)
  %25 = tail call i32 @QUEUEget() #4
  %26 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, i32 noundef %25)
  ret i32 0
}

; Function Attrs: nounwind
declare void @srand(i32 noundef) local_unnamed_addr #1

; Function Attrs: nounwind
declare i64 @time(ptr noundef) local_unnamed_addr #1

declare void @QUEUEinit(i32 noundef) local_unnamed_addr #2

; Function Attrs: nounwind
declare i32 @rand() local_unnamed_addr #1

declare void @QUEUEput(i32 noundef) local_unnamed_addr #2

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #3

declare i32 @QUEUEget() local_unnamed_addr #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 = { 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 = { "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 = { 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" }
attributes #4 = { 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)"}


; Effective O3 passes: GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,LoopRotatePass,LoopSimplifyPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass