; LLVM IR from ImChong/Practice_LeetCode_C :: F02_Programming_Topics/F01_Data_Structure/06_Binary_Tree/09_largestValues (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.8 = external hidden unnamed_addr constant [14 x i8], align 1
@.str.9 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.10 = external hidden unnamed_addr constant [12 x i8], align 1
@.str.11 = external hidden unnamed_addr constant [10 x i8], align 1
@__const.Test2.expected = external hidden unnamed_addr constant [2 x i32], align 4
@__const.Test2.treeArr = external hidden unnamed_addr constant [3 x i32], align 4

; Function Attrs: nounwind uwtable
declare dso_local ptr @largestValues(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: 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 void @print1DArray(ptr noundef, i32 noundef) #0

declare i32 @printf(ptr noundef, ...) #2

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

; Function Attrs: nounwind uwtable
declare dso_local void @Validate_SingleValue(i8 noundef signext, ptr noundef, ptr noundef, i32 noundef) #0

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

; Function Attrs: nounwind
declare void @free(ptr noundef) #3

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #4

; Function Attrs: nounwind uwtable
define dso_local void @Test2() #0 {
  %1 = alloca [2 x i32], align 4
  %2 = alloca [3 x i32], align 4
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %1) #5
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %1, ptr align 4 @__const.Test2.expected, i64 8, i1 false)
  %6 = call i32 (ptr, ...) @printf(ptr noundef @.str.8)
  call void @llvm.lifetime.start.p0(i64 12, ptr %2) #5
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %2, ptr align 4 @__const.Test2.treeArr, i64 12, i1 false)
  %7 = getelementptr inbounds [3 x i32], ptr %2, i64 0, i64 0
  call void @print1DArray(ptr noundef %7, i32 noundef 3)
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #5
  store ptr null, ptr %3, align 8, !tbaa !5
  %8 = getelementptr inbounds [3 x i32], ptr %2, i64 0, i64 0
  call void @BTree_ArrayInit(ptr noundef %8, i32 noundef 3, i32 noundef 0, ptr noundef %3)
  %9 = call i32 (ptr, ...) @printf(ptr noundef @.str.9)
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #5
  store i32 0, ptr %4, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #5
  %10 = load ptr, ptr %3, align 8, !tbaa !5
  %11 = call ptr @largestValues(ptr noundef %10, ptr noundef %4)
  store ptr %11, ptr %5, align 8, !tbaa !5
  %12 = call i32 (ptr, ...) @printf(ptr noundef @.str.10)
  %13 = getelementptr inbounds [2 x i32], ptr %1, i64 0, i64 0
  call void @print1DArray(ptr noundef %13, i32 noundef 2)
  %14 = call i32 (ptr, ...) @printf(ptr noundef @.str.11)
  %15 = load ptr, ptr %5, align 8, !tbaa !5
  call void @print1DArray(ptr noundef %15, i32 noundef 2)
  %16 = getelementptr inbounds [2 x i32], ptr %1, i64 0, i64 0
  %17 = load ptr, ptr %5, align 8, !tbaa !5
  %18 = load i32, ptr %4, align 4, !tbaa !9
  call void @Validate_SingleValue(i8 noundef signext 50, ptr noundef %16, ptr noundef %17, i32 noundef %18)
  %19 = load ptr, ptr %3, align 8, !tbaa !5
  call void @BTree_Free(ptr noundef %19)
  %20 = load ptr, ptr %5, align 8, !tbaa !5
  call void @free(ptr noundef %20) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #5
  call void @llvm.lifetime.end.p0(i64 12, ptr %2) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %1) #5
  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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #5 = { 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, !10, i64 0}
!10 = !{!"int", !7, 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.8 = external hidden unnamed_addr constant [14 x i8], align 1
@.str.9 = external hidden unnamed_addr constant [2 x i8], align 1
@.str.10 = external hidden unnamed_addr constant [12 x i8], align 1
@.str.11 = external hidden unnamed_addr constant [10 x i8], align 1
@__const.Test2.expected = external hidden unnamed_addr constant [2 x i32], align 4
@__const.Test2.treeArr = external hidden unnamed_addr constant [3 x i32], align 4

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

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

; Function Attrs: mustprogress 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 void @print1DArray(ptr noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #2

; Function Attrs: nounwind uwtable
declare dso_local void @BTree_ArrayInit(ptr noundef, i32 noundef, i32 noundef, ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare dso_local void @Validate_SingleValue(i8 noundef signext, ptr noundef, ptr noundef, i32 noundef) local_unnamed_addr #0

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

; Function Attrs: mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite)
declare void @free(ptr allocptr nocapture noundef) local_unnamed_addr #3

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #4

; Function Attrs: nounwind uwtable
define dso_local void @Test2() local_unnamed_addr #0 {
  %1 = alloca [2 x i32], align 8
  %2 = alloca [3 x i32], align 4
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #5
  %5 = load i64, ptr @__const.Test2.expected, align 4
  store i64 %5, ptr %1, align 8
  %6 = tail call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.8)
  call void @llvm.lifetime.start.p0(i64 12, ptr nonnull %2) #5
  call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 4 dereferenceable(12) %2, ptr noundef nonnull align 4 dereferenceable(12) @__const.Test2.treeArr, i64 12, i1 false)
  call void @print1DArray(ptr noundef nonnull %2, i32 noundef 3)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #5
  store ptr null, ptr %3, align 8, !tbaa !5
  call void @BTree_ArrayInit(ptr noundef nonnull %2, i32 noundef 3, i32 noundef 0, ptr noundef nonnull %3)
  %7 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.9)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #5
  store i32 0, ptr %4, align 4, !tbaa !9
  %8 = load ptr, ptr %3, align 8, !tbaa !5
  %9 = call ptr @largestValues(ptr noundef %8, ptr noundef nonnull %4)
  %10 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.10)
  call void @print1DArray(ptr noundef nonnull %1, i32 noundef 2)
  %11 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.11)
  call void @print1DArray(ptr noundef %9, i32 noundef 2)
  %12 = load i32, ptr %4, align 4, !tbaa !9
  call void @Validate_SingleValue(i8 noundef signext 50, ptr noundef nonnull %1, ptr noundef %9, i32 noundef %12)
  %13 = load ptr, ptr %3, align 8, !tbaa !5
  call void @BTree_Free(ptr noundef %13)
  call void @free(ptr noundef %9) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #5
  call void @llvm.lifetime.end.p0(i64 12, ptr nonnull %2) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #5
  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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { 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 #3 = { mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, 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 #4 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite) }
attributes #5 = { 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, !10, i64 0}
!10 = !{!"int", !7, i64 0}


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