; LLVM IR from PyCee/NUS_library :: src/gpu (NUS_submission_queue)

; 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.NUS_submission_queue = type { ptr, ptr, %struct.VkSubmitInfo, [10 x ptr], [10 x ptr], [10 x i32], [10 x ptr] }
%struct.VkSubmitInfo = type { i32, ptr, i32, ptr, ptr, i32, ptr, i32, ptr }

@.str.3 = external hidden unnamed_addr constant [66 x i8], align 1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

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

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nounwind uwtable
define dso_local i32 @nus_submission_queue_add_buffer(ptr noundef %0, ptr noundef %1) #2 {
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #3
  %8 = load ptr, ptr %4, align 8, !tbaa !5
  %9 = getelementptr inbounds %struct.NUS_submission_queue, ptr %8, i32 0, i32 2
  %10 = getelementptr inbounds %struct.VkSubmitInfo, ptr %9, i32 0, i32 5
  %11 = load i32, ptr %10, align 8, !tbaa !9
  store i32 %11, ptr %6, align 4, !tbaa !13
  %12 = load ptr, ptr %4, align 8, !tbaa !5
  %13 = getelementptr inbounds %struct.NUS_submission_queue, ptr %12, i32 0, i32 2
  %14 = getelementptr inbounds %struct.VkSubmitInfo, ptr %13, i32 0, i32 5
  %15 = load i32, ptr %14, align 8, !tbaa !9
  %16 = add i32 %15, 1
  store i32 %16, ptr %14, align 8, !tbaa !9
  %17 = icmp uge i32 %16, 10
  br i1 %17, label %18, label %20

18:                                               ; preds = %2
  %19 = call i32 (ptr, ...) @printf(ptr noundef @.str.3)
  store i32 0, ptr %3, align 4
  store i32 1, ptr %7, align 4
  br label %27

20:                                               ; preds = %2
  %21 = load ptr, ptr %5, align 8, !tbaa !5
  %22 = load ptr, ptr %4, align 8, !tbaa !5
  %23 = getelementptr inbounds %struct.NUS_submission_queue, ptr %22, i32 0, i32 6
  %24 = load i32, ptr %6, align 4, !tbaa !13
  %25 = sext i32 %24 to i64
  %26 = getelementptr inbounds [10 x ptr], ptr %23, i64 0, i64 %25
  store ptr %21, ptr %26, align 8, !tbaa !5
  store i32 1, ptr %3, align 4
  store i32 1, ptr %7, align 4
  br label %27

27:                                               ; preds = %20, %18
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #3
  %28 = load i32, ptr %3, align 4
  ret i32 %28
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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 #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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !12, i64 56}
!10 = !{!"NUS_submission_queue", !6, i64 0, !6, i64 8, !11, i64 16, !7, i64 88, !7, i64 168, !7, i64 248, !7, i64 288}
!11 = !{!"VkSubmitInfo", !12, i64 0, !6, i64 8, !12, i64 16, !6, i64 24, !6, i64 32, !12, i64 40, !6, i64 48, !12, i64 56, !6, i64 64}
!12 = !{!"int", !7, i64 0}
!13 = !{!12, !12, 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.3 = external hidden unnamed_addr constant [66 x i8], align 1

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #0

; Function Attrs: nofree nounwind uwtable
define dso_local range(i32 0, 2) i32 @nus_submission_queue_add_buffer(ptr nocapture noundef %0, ptr noundef %1) local_unnamed_addr #1 {
  %3 = getelementptr inbounds i8, ptr %0, i64 56
  %4 = load i32, ptr %3, align 8, !tbaa !5
  %5 = add i32 %4, 1
  store i32 %5, ptr %3, align 8, !tbaa !5
  %6 = icmp ugt i32 %5, 9
  br i1 %6, label %7, label %9

7:                                                ; preds = %2
  %8 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.3)
  br label %13

9:                                                ; preds = %2
  %10 = getelementptr inbounds i8, ptr %0, i64 288
  %11 = sext i32 %4 to i64
  %12 = getelementptr inbounds [10 x ptr], ptr %10, i64 0, i64 %11
  store ptr %1, ptr %12, align 8, !tbaa !12
  br label %13

13:                                               ; preds = %9, %7
  %.0 = phi i32 [ 0, %7 ], [ 1, %9 ]
  ret i32 %.0
}

attributes #0 = { 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 #1 = { nofree 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" }

!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, !11, i64 56}
!6 = !{!"NUS_submission_queue", !7, i64 0, !7, i64 8, !10, i64 16, !8, i64 88, !8, i64 168, !8, i64 248, !8, i64 288}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"VkSubmitInfo", !11, i64 0, !7, i64 8, !11, i64 16, !7, i64 24, !7, i64 32, !11, i64 40, !7, i64 48, !11, i64 56, !7, i64 64}
!11 = !{!"int", !8, i64 0}
!12 = !{!7, !7, i64 0}


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