; LLVM IR from ksw2000/Data-Structure-in-C :: Queue/05-動態陣列實作佇列.ll_ (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.q = type { i32, i32, i32, i32, ptr, ptr, ptr, ptr, ptr }

; Function Attrs: nounwind uwtable
declare dso_local void @enqueue(ptr noundef, ptr noundef) #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 allocsize(0)
declare noalias ptr @malloc(i64 noundef) #2

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

; Function Attrs: nounwind uwtable
declare dso_local ptr @dequeue(ptr noundef) #0

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

; Function Attrs: nounwind uwtable
declare dso_local void @queuePrint(ptr noundef) #0

; Function Attrs: nounwind uwtable
define dso_local ptr @__Queue__() #0 {
  %1 = alloca ptr, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %1) #3
  %2 = call noalias ptr @malloc(i64 noundef 56) #4
  store ptr %2, ptr %1, align 8, !tbaa !5
  %3 = load ptr, ptr %1, align 8, !tbaa !5
  %4 = getelementptr inbounds %struct.q, ptr %3, i32 0, i32 0
  store i32 8, ptr %4, align 8, !tbaa !9
  %5 = load ptr, ptr %1, align 8, !tbaa !5
  %6 = getelementptr inbounds %struct.q, ptr %5, i32 0, i32 2
  store i32 0, ptr %6, align 8, !tbaa !12
  %7 = load ptr, ptr %1, align 8, !tbaa !5
  %8 = getelementptr inbounds %struct.q, ptr %7, i32 0, i32 1
  store i32 0, ptr %8, align 4, !tbaa !13
  %9 = load ptr, ptr %1, align 8, !tbaa !5
  %10 = getelementptr inbounds %struct.q, ptr %9, i32 0, i32 3
  store i32 0, ptr %10, align 4, !tbaa !14
  %11 = load ptr, ptr %1, align 8, !tbaa !5
  %12 = getelementptr inbounds %struct.q, ptr %11, i32 0, i32 0
  %13 = load i32, ptr %12, align 8, !tbaa !9
  %14 = sext i32 %13 to i64
  %15 = mul i64 %14, 8
  %16 = call noalias ptr @malloc(i64 noundef %15) #4
  %17 = load ptr, ptr %1, align 8, !tbaa !5
  %18 = getelementptr inbounds %struct.q, ptr %17, i32 0, i32 4
  store ptr %16, ptr %18, align 8, !tbaa !15
  %19 = load ptr, ptr %1, align 8, !tbaa !5
  %20 = getelementptr inbounds %struct.q, ptr %19, i32 0, i32 5
  store ptr @enqueue, ptr %20, align 8, !tbaa !16
  %21 = load ptr, ptr %1, align 8, !tbaa !5
  %22 = getelementptr inbounds %struct.q, ptr %21, i32 0, i32 6
  store ptr @dequeue, ptr %22, align 8, !tbaa !17
  %23 = load ptr, ptr %1, align 8, !tbaa !5
  %24 = getelementptr inbounds %struct.q, ptr %23, i32 0, i32 7
  store ptr @isEmpty, ptr %24, align 8, !tbaa !18
  %25 = load ptr, ptr %1, align 8, !tbaa !5
  %26 = getelementptr inbounds %struct.q, ptr %25, i32 0, i32 8
  store ptr @queuePrint, ptr %26, align 8, !tbaa !19
  %27 = load ptr, ptr %1, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %1) #3
  ret ptr %27
}

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 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 #3 = { nounwind }
attributes #4 = { 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, !11, i64 0}
!10 = !{!"q", !11, i64 0, !11, i64 4, !11, i64 8, !11, i64 12, !6, i64 16, !6, i64 24, !6, i64 32, !6, i64 40, !6, i64 48}
!11 = !{!"int", !7, i64 0}
!12 = !{!10, !11, i64 8}
!13 = !{!10, !11, i64 4}
!14 = !{!10, !11, i64 12}
!15 = !{!10, !6, i64 16}
!16 = !{!10, !6, i64 24}
!17 = !{!10, !6, i64 32}
!18 = !{!10, !6, i64 40}
!19 = !{!10, !6, i64 48}


; 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"

; Function Attrs: nounwind uwtable
declare dso_local void @enqueue(ptr noundef, ptr noundef) #0

; Function Attrs: mustprogress nofree nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(inaccessiblemem: readwrite)
declare noalias noundef ptr @malloc(i64 noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
declare dso_local ptr @dequeue(ptr noundef) #0

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

; Function Attrs: nounwind uwtable
declare dso_local void @queuePrint(ptr noundef) #0

; Function Attrs: mustprogress nofree nounwind willreturn memory(write, argmem: none, inaccessiblemem: readwrite) uwtable
define dso_local noalias noundef ptr @__Queue__() local_unnamed_addr #2 {
  %1 = tail call noalias dereferenceable_or_null(56) ptr @malloc(i64 noundef 56) #3
  store <4 x i32> <i32 8, i32 0, i32 0, i32 0>, ptr %1, align 8, !tbaa !5
  %2 = tail call noalias dereferenceable_or_null(64) ptr @malloc(i64 noundef 64) #3
  %3 = getelementptr inbounds i8, ptr %1, i64 16
  store ptr %2, ptr %3, align 8, !tbaa !9
  %4 = getelementptr inbounds i8, ptr %1, i64 24
  store ptr @enqueue, ptr %4, align 8, !tbaa !12
  %5 = getelementptr inbounds i8, ptr %1, i64 32
  store ptr @dequeue, ptr %5, align 8, !tbaa !13
  %6 = getelementptr inbounds i8, ptr %1, i64 40
  store ptr @isEmpty, ptr %6, align 8, !tbaa !14
  %7 = getelementptr inbounds i8, ptr %1, i64 48
  store ptr @queuePrint, ptr %7, align 8, !tbaa !15
  ret ptr %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 = { 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 #2 = { mustprogress nofree nounwind willreturn memory(write, argmem: none, inaccessiblemem: readwrite) 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 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !11, i64 16}
!10 = !{!"q", !6, i64 0, !6, i64 4, !6, i64 8, !6, i64 12, !11, i64 16, !11, i64 24, !11, i64 32, !11, i64 40, !11, i64 48}
!11 = !{!"any pointer", !7, i64 0}
!12 = !{!10, !11, i64 24}
!13 = !{!10, !11, i64 32}
!14 = !{!10, !11, i64 40}
!15 = !{!10, !11, i64 48}


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