; LLVM IR from eProsima/Fast-DDS :: src/cpp/rtps/persistence (sqlite3)

; 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.sqlite3_str = type { ptr, ptr, i32, i32, i32, i8, i8 }

; Function Attrs: nounwind uwtable
define dso_local void @sqlite3_str_append(ptr noundef %0, ptr noundef %1, i32 noundef %2) #0 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  store i32 %2, ptr %6, align 4, !tbaa !9
  %7 = load ptr, ptr %4, align 8, !tbaa !5
  %8 = getelementptr inbounds %struct.sqlite3_str, ptr %7, i32 0, i32 4
  %9 = load i32, ptr %8, align 8, !tbaa !11
  %10 = load i32, ptr %6, align 4, !tbaa !9
  %11 = add i32 %9, %10
  %12 = load ptr, ptr %4, align 8, !tbaa !5
  %13 = getelementptr inbounds %struct.sqlite3_str, ptr %12, i32 0, i32 2
  %14 = load i32, ptr %13, align 8, !tbaa !13
  %15 = icmp uge i32 %11, %14
  br i1 %15, label %16, label %20

16:                                               ; preds = %3
  %17 = load ptr, ptr %4, align 8, !tbaa !5
  %18 = load ptr, ptr %5, align 8, !tbaa !5
  %19 = load i32, ptr %6, align 4, !tbaa !9
  call void @enlargeAndAppend(ptr noundef %17, ptr noundef %18, i32 noundef %19)
  br label %43

20:                                               ; preds = %3
  %21 = load i32, ptr %6, align 4, !tbaa !9
  %22 = icmp ne i32 %21, 0
  br i1 %22, label %23, label %42

23:                                               ; preds = %20
  %24 = load i32, ptr %6, align 4, !tbaa !9
  %25 = load ptr, ptr %4, align 8, !tbaa !5
  %26 = getelementptr inbounds %struct.sqlite3_str, ptr %25, i32 0, i32 4
  %27 = load i32, ptr %26, align 8, !tbaa !11
  %28 = add i32 %27, %24
  store i32 %28, ptr %26, align 8, !tbaa !11
  %29 = load ptr, ptr %4, align 8, !tbaa !5
  %30 = getelementptr inbounds %struct.sqlite3_str, ptr %29, i32 0, i32 1
  %31 = load ptr, ptr %30, align 8, !tbaa !14
  %32 = load ptr, ptr %4, align 8, !tbaa !5
  %33 = getelementptr inbounds %struct.sqlite3_str, ptr %32, i32 0, i32 4
  %34 = load i32, ptr %33, align 8, !tbaa !11
  %35 = load i32, ptr %6, align 4, !tbaa !9
  %36 = sub i32 %34, %35
  %37 = zext i32 %36 to i64
  %38 = getelementptr inbounds i8, ptr %31, i64 %37
  %39 = load ptr, ptr %5, align 8, !tbaa !5
  %40 = load i32, ptr %6, align 4, !tbaa !9
  %41 = sext i32 %40 to i64
  call void @llvm.memcpy.p0.p0.i64(ptr align 1 %38, ptr align 1 %39, i64 %41, i1 false)
  br label %42

42:                                               ; preds = %23, %20
  br label %43

43:                                               ; preds = %42, %16
  ret void
}

; 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) #1

; Function Attrs: noinline nounwind uwtable
declare hidden void @enlargeAndAppend(ptr noundef, ptr noundef, i32 noundef) #2

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 nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { noinline 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, !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}
!11 = !{!12, !10, i64 24}
!12 = !{!"sqlite3_str", !6, i64 0, !6, i64 8, !10, i64 16, !10, i64 20, !10, i64 24, !7, i64 28, !7, i64 29}
!13 = !{!12, !10, i64 16}
!14 = !{!12, !6, i64 8}


; 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
define dso_local void @sqlite3_str_append(ptr noundef %0, ptr noundef %1, i32 noundef %2) local_unnamed_addr #0 {
  %4 = getelementptr inbounds i8, ptr %0, i64 24
  %5 = load i32, ptr %4, align 8, !tbaa !5
  %6 = add i32 %5, %2
  %7 = getelementptr inbounds i8, ptr %0, i64 16
  %8 = load i32, ptr %7, align 8, !tbaa !11
  %.not = icmp ult i32 %6, %8
  br i1 %.not, label %10, label %9

9:                                                ; preds = %3
  tail call void @enlargeAndAppend(ptr noundef nonnull %0, ptr noundef %1, i32 noundef %2)
  br label %17

10:                                               ; preds = %3
  %.not14 = icmp eq i32 %2, 0
  br i1 %.not14, label %17, label %11

11:                                               ; preds = %10
  store i32 %6, ptr %4, align 8, !tbaa !5
  %12 = getelementptr inbounds i8, ptr %0, i64 8
  %13 = load ptr, ptr %12, align 8, !tbaa !12
  %14 = zext i32 %5 to i64
  %15 = getelementptr inbounds i8, ptr %13, i64 %14
  %16 = sext i32 %2 to i64
  tail call void @llvm.memcpy.p0.p0.i64(ptr align 1 %15, ptr align 1 %1, i64 %16, i1 false)
  br label %17

17:                                               ; preds = %10, %11, %9
  ret void
}

; 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) #1

; Function Attrs: noinline nounwind uwtable
declare hidden void @enlargeAndAppend(ptr noundef, ptr noundef, i32 noundef) local_unnamed_addr #2

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 nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { noinline 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, !10, i64 24}
!6 = !{!"sqlite3_str", !7, i64 0, !7, i64 8, !10, i64 16, !10, i64 20, !10, i64 24, !8, i64 28, !8, i64 29}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"int", !8, i64 0}
!11 = !{!6, !10, i64 16}
!12 = !{!6, !7, i64 8}


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