; LLVM IR from ImChong/Practice_LeetCode_C :: F02_Programming_Topics/F01_Data_Structure/01_Array/05_GenerateMatrix (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"

@__const.Test3.expectRtnColSize = external hidden unnamed_addr constant [4 x i32], align 16

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

declare ptr @generateMatrix(i32 noundef, ptr noundef, ptr noundef) #1

; 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) #2

declare i32 @Validate_Array2D(i8 noundef signext, ptr noundef, i32 noundef, ptr noundef, ptr noundef, i32 noundef, ptr noundef, i32 noundef) #1

declare i32 @Array_Free2D(ptr noundef, i32 noundef) #1

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

; 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 void @Test3() #4 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca [4 x i32], align 16
  %7 = alloca [4 x ptr], align 16
  %8 = alloca [4 x i32], align 4
  %9 = alloca [4 x i32], align 4
  %10 = alloca [4 x i32], align 4
  %11 = alloca [4 x i32], align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %1) #5
  store i32 4, ptr %1, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #5
  store i32 0, ptr %2, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #5
  store ptr null, ptr %3, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #5
  %12 = load i32, ptr %1, align 4, !tbaa !5
  %13 = call ptr @generateMatrix(i32 noundef %12, ptr noundef %2, ptr noundef %3)
  store ptr %13, ptr %4, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #5
  store i32 4, ptr %5, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 16, ptr %6) #5
  call void @llvm.memcpy.p0.p0.i64(ptr align 16 %6, ptr align 16 @__const.Test3.expectRtnColSize, i64 16, i1 false)
  call void @llvm.lifetime.start.p0(i64 32, ptr %7) #5
  store i32 1, ptr %8, align 4, !tbaa !5
  %14 = getelementptr inbounds i32, ptr %8, i64 1
  store i32 2, ptr %14, align 4, !tbaa !5
  %15 = getelementptr inbounds i32, ptr %8, i64 2
  store i32 3, ptr %15, align 4, !tbaa !5
  %16 = getelementptr inbounds i32, ptr %8, i64 3
  store i32 4, ptr %16, align 4, !tbaa !5
  %17 = getelementptr inbounds [4 x i32], ptr %8, i64 0, i64 0
  store ptr %17, ptr %7, align 8, !tbaa !9
  %18 = getelementptr inbounds ptr, ptr %7, i64 1
  store i32 12, ptr %9, align 4, !tbaa !5
  %19 = getelementptr inbounds i32, ptr %9, i64 1
  store i32 13, ptr %19, align 4, !tbaa !5
  %20 = getelementptr inbounds i32, ptr %9, i64 2
  store i32 14, ptr %20, align 4, !tbaa !5
  %21 = getelementptr inbounds i32, ptr %9, i64 3
  store i32 5, ptr %21, align 4, !tbaa !5
  %22 = getelementptr inbounds [4 x i32], ptr %9, i64 0, i64 0
  store ptr %22, ptr %18, align 8, !tbaa !9
  %23 = getelementptr inbounds ptr, ptr %7, i64 2
  store i32 11, ptr %10, align 4, !tbaa !5
  %24 = getelementptr inbounds i32, ptr %10, i64 1
  store i32 16, ptr %24, align 4, !tbaa !5
  %25 = getelementptr inbounds i32, ptr %10, i64 2
  store i32 15, ptr %25, align 4, !tbaa !5
  %26 = getelementptr inbounds i32, ptr %10, i64 3
  store i32 6, ptr %26, align 4, !tbaa !5
  %27 = getelementptr inbounds [4 x i32], ptr %10, i64 0, i64 0
  store ptr %27, ptr %23, align 8, !tbaa !9
  %28 = getelementptr inbounds ptr, ptr %7, i64 3
  store i32 10, ptr %11, align 4, !tbaa !5
  %29 = getelementptr inbounds i32, ptr %11, i64 1
  store i32 9, ptr %29, align 4, !tbaa !5
  %30 = getelementptr inbounds i32, ptr %11, i64 2
  store i32 8, ptr %30, align 4, !tbaa !5
  %31 = getelementptr inbounds i32, ptr %11, i64 3
  store i32 7, ptr %31, align 4, !tbaa !5
  %32 = getelementptr inbounds [4 x i32], ptr %11, i64 0, i64 0
  store ptr %32, ptr %28, align 8, !tbaa !9
  %33 = getelementptr inbounds [4 x ptr], ptr %7, i64 0, i64 0
  %34 = load i32, ptr %5, align 4, !tbaa !5
  %35 = getelementptr inbounds [4 x i32], ptr %6, i64 0, i64 0
  %36 = load ptr, ptr %4, align 8, !tbaa !9
  %37 = load i32, ptr %2, align 4, !tbaa !5
  %38 = load ptr, ptr %3, align 8, !tbaa !9
  %39 = call i32 @Validate_Array2D(i8 noundef signext 51, ptr noundef %33, i32 noundef %34, ptr noundef %35, ptr noundef %36, i32 noundef %37, ptr noundef %38, i32 noundef 0)
  %40 = load i32, ptr %2, align 4, !tbaa !5
  %41 = call i32 @Array_Free2D(ptr noundef %4, i32 noundef %40)
  %42 = load ptr, ptr %3, align 8, !tbaa !9
  call void @free(ptr noundef %42) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr %7) #5
  call void @llvm.lifetime.end.p0(i64 16, ptr %6) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %1) #5
  ret void
}

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 = { nocallback nofree nounwind willreturn memory(argmem: readwrite) }
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 = { 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 = { 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 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !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"

@__const.Test3.expectRtnColSize = external hidden unnamed_addr constant [4 x i32], align 16

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

declare ptr @generateMatrix(i32 noundef, ptr noundef, ptr noundef) local_unnamed_addr #1

; 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) #2

declare i32 @Validate_Array2D(i8 noundef signext, ptr noundef, i32 noundef, ptr noundef, ptr noundef, i32 noundef, ptr noundef, i32 noundef) local_unnamed_addr #1

declare i32 @Array_Free2D(ptr noundef, i32 noundef) local_unnamed_addr #1

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

; Function Attrs: nounwind uwtable
define dso_local void @Test3() local_unnamed_addr #4 {
  %1 = alloca i32, align 4
  %2 = alloca ptr, align 8
  %3 = alloca ptr, align 8
  %4 = alloca [4 x i32], align 16
  %5 = alloca [4 x ptr], align 16
  %6 = alloca [4 x i32], align 16
  %7 = alloca [4 x i32], align 16
  %8 = alloca [4 x i32], align 16
  %9 = alloca [4 x i32], align 16
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #5
  store i32 0, ptr %1, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #5
  store ptr null, ptr %2, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #5
  %10 = call ptr @generateMatrix(i32 noundef 4, ptr noundef nonnull %1, ptr noundef nonnull %2) #5
  store ptr %10, ptr %3, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %4) #5
  call void @llvm.memcpy.p0.p0.i64(ptr noundef nonnull align 16 dereferenceable(16) %4, ptr noundef nonnull align 16 dereferenceable(16) @__const.Test3.expectRtnColSize, i64 16, i1 false)
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %5) #5
  store <4 x i32> <i32 1, i32 2, i32 3, i32 4>, ptr %6, align 16, !tbaa !5
  store ptr %6, ptr %5, align 16, !tbaa !9
  %11 = getelementptr inbounds i8, ptr %5, i64 8
  store <4 x i32> <i32 12, i32 13, i32 14, i32 5>, ptr %7, align 16, !tbaa !5
  store ptr %7, ptr %11, align 8, !tbaa !9
  %12 = getelementptr inbounds i8, ptr %5, i64 16
  store <4 x i32> <i32 11, i32 16, i32 15, i32 6>, ptr %8, align 16, !tbaa !5
  store ptr %8, ptr %12, align 16, !tbaa !9
  %13 = getelementptr inbounds i8, ptr %5, i64 24
  store <4 x i32> <i32 10, i32 9, i32 8, i32 7>, ptr %9, align 16, !tbaa !5
  store ptr %9, ptr %13, align 8, !tbaa !9
  %14 = load i32, ptr %1, align 4, !tbaa !5
  %15 = load ptr, ptr %2, align 8, !tbaa !9
  %16 = call i32 @Validate_Array2D(i8 noundef signext 51, ptr noundef nonnull %5, i32 noundef 4, ptr noundef nonnull %4, ptr noundef %10, i32 noundef %14, ptr noundef %15, i32 noundef 0) #5
  %17 = load i32, ptr %1, align 4, !tbaa !5
  %18 = call i32 @Array_Free2D(ptr noundef nonnull %3, i32 noundef %17) #5
  %19 = load ptr, ptr %2, align 8, !tbaa !9
  call void @free(ptr noundef %19) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %5) #5
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %4) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #5
  ret void
}

attributes #0 = { mustprogress 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 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: readwrite) }
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 = { 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 = { 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 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}


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