; LLVM IR from JessonYue/LeetCodeLearning :: Array/zhanchengguo/0617-化栈为队 (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 [43 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca ptr, align 8
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i8, align 1
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #7
  %8 = call noalias noundef nonnull ptr @_Znwm(i64 noundef 160) #8
  invoke void @_ZN7MyQueueC2Ev(ptr noundef nonnull align 8 dereferenceable(160) %8)
          to label %9 unwind label %24

9:                                                ; preds = %0
  store ptr %8, ptr %2, align 8, !tbaa !5
  %10 = load ptr, ptr %2, align 8, !tbaa !5
  call void @_ZN7MyQueue4pushEi(ptr noundef nonnull align 8 dereferenceable(160) %10, i32 noundef 4)
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #7
  %11 = load ptr, ptr %2, align 8, !tbaa !5
  %12 = call noundef i32 @_ZN7MyQueue3popEv(ptr noundef nonnull align 8 dereferenceable(160) %11)
  store i32 %12, ptr %5, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #7
  %13 = load ptr, ptr %2, align 8, !tbaa !5
  %14 = call noundef i32 @_ZN7MyQueue4peekEv(ptr noundef nonnull align 8 dereferenceable(160) %13)
  store i32 %14, ptr %6, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 1, ptr %7) #7
  %15 = load ptr, ptr %2, align 8, !tbaa !5
  %16 = call noundef zeroext i1 @_ZN7MyQueue5emptyEv(ptr noundef nonnull align 8 dereferenceable(160) %15)
  %17 = zext i1 %16 to i8
  store i8 %17, ptr %7, align 1, !tbaa !11
  %18 = load i32, ptr %5, align 4, !tbaa !9
  %19 = load i32, ptr %6, align 4, !tbaa !9
  %20 = load i8, ptr %7, align 1, !tbaa !11, !range !13, !noundef !14
  %21 = trunc i8 %20 to i1
  %22 = zext i1 %21 to i32
  %23 = call i32 (ptr, ...) @printf(ptr noundef @.str, i32 noundef %18, i32 noundef %19, i32 noundef %22)
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #7
  ret i32 0

24:                                               ; preds = %0
  %25 = landingpad { ptr, i32 }
          cleanup
  %26 = extractvalue { ptr, i32 } %25, 0
  store ptr %26, ptr %3, align 8
  %27 = extractvalue { ptr, i32 } %25, 1
  store i32 %27, ptr %4, align 4
  call void @_ZdlPvm(ptr noundef %8, i64 noundef 160) #9
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #7
  br label %28

28:                                               ; preds = %24
  %29 = load ptr, ptr %3, align 8
  %30 = load i32, ptr %4, align 4
  %31 = insertvalue { ptr, i32 } poison, ptr %29, 0
  %32 = insertvalue { ptr, i32 } %31, i32 %30, 1
  resume { ptr, i32 } %32
}

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

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znwm(i64 noundef) #2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN7MyQueueC2Ev(ptr noundef nonnull align 8 dereferenceable(160)) unnamed_addr #3 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) #4

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN7MyQueue4pushEi(ptr noundef nonnull align 8 dereferenceable(160), i32 noundef) #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_ZN7MyQueue3popEv(ptr noundef nonnull align 8 dereferenceable(160)) #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_ZN7MyQueue4peekEv(ptr noundef nonnull align 8 dereferenceable(160)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN7MyQueue5emptyEv(ptr noundef nonnull align 8 dereferenceable(160)) #5 align 2

declare i32 @printf(ptr noundef, ...) #6

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

attributes #0 = { mustprogress norecurse 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 = { nobuiltin 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 = { mustprogress 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 #4 = { nobuiltin 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 #5 = { mustprogress 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 #6 = { "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 #7 = { nounwind }
attributes #8 = { builtin allocsize(0) }
attributes #9 = { builtin 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++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"bool", !7, i64 0}
!13 = !{i8 0, i8 2}
!14 = !{}


; 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 [43 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = tail call noalias noundef nonnull dereferenceable(160) ptr @_Znwm(i64 noundef 160) #6
  invoke void @_ZN7MyQueueC2Ev(ptr noundef nonnull align 8 dereferenceable(160) %1)
          to label %2 unwind label %8

2:                                                ; preds = %0
  tail call void @_ZN7MyQueue4pushEi(ptr noundef nonnull align 8 dereferenceable(160) %1, i32 noundef 4)
  %3 = tail call noundef i32 @_ZN7MyQueue3popEv(ptr noundef nonnull align 8 dereferenceable(160) %1)
  %4 = tail call noundef i32 @_ZN7MyQueue4peekEv(ptr noundef nonnull align 8 dereferenceable(160) %1)
  %5 = tail call noundef zeroext i1 @_ZN7MyQueue5emptyEv(ptr noundef nonnull align 8 dereferenceable(160) %1)
  %6 = zext i1 %5 to i32
  %7 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i32 noundef %3, i32 noundef %4, i32 noundef %6)
  ret i32 0

8:                                                ; preds = %0
  %9 = landingpad { ptr, i32 }
          cleanup
  tail call void @_ZdlPvm(ptr noundef nonnull %1, i64 noundef 160) #7
  resume { ptr, i32 } %9
}

; Function Attrs: nobuiltin allocsize(0)
declare noundef nonnull ptr @_Znwm(i64 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN7MyQueueC2Ev(ptr noundef nonnull align 8 dereferenceable(160)) unnamed_addr #2 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) local_unnamed_addr #3

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN7MyQueue4pushEi(ptr noundef nonnull align 8 dereferenceable(160), i32 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_ZN7MyQueue3popEv(ptr noundef nonnull align 8 dereferenceable(160)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_ZN7MyQueue4peekEv(ptr noundef nonnull align 8 dereferenceable(160)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN7MyQueue5emptyEv(ptr noundef nonnull align 8 dereferenceable(160)) local_unnamed_addr #4 align 2

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #5

attributes #0 = { mustprogress norecurse 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 = { nobuiltin 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 #2 = { mustprogress 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 = { nobuiltin 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 = { mustprogress 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 #5 = { 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 #6 = { builtin allocsize(0) }
attributes #7 = { builtin 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: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,SROAPass,SimplifyCFGPass,TailCallElimPass