; 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 }
%struct.__va_list_tag = type { i32, i32, ptr, ptr }

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

; 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
declare dso_local void @sqlite3_str_vappendf(ptr noundef, ptr noundef, ptr noundef) #1

; Function Attrs: nounwind uwtable
declare hidden void @sqlite3StrAccumInit(ptr noundef, ptr noundef, ptr noundef, i32 noundef, i32 noundef) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare void @llvm.va_start.p0(ptr) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn
declare void @llvm.va_end.p0(ptr) #2

; Function Attrs: nounwind uwtable
define dso_local ptr @sqlite3_snprintf(i32 noundef %0, ptr noundef %1, ptr noundef %2, ...) #1 {
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca %struct.sqlite3_str, align 8
  %9 = alloca [1 x %struct.__va_list_tag], align 16
  %10 = alloca i32, align 4
  store i32 %0, ptr %5, align 4, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !9
  store ptr %2, ptr %7, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 32, ptr %8) #3
  call void @llvm.lifetime.start.p0(i64 24, ptr %9) #3
  %11 = load i32, ptr %5, align 4, !tbaa !5
  %12 = icmp sle i32 %11, 0
  br i1 %12, label %13, label %15

13:                                               ; preds = %3
  %14 = load ptr, ptr %6, align 8, !tbaa !9
  store ptr %14, ptr %4, align 8
  store i32 1, ptr %10, align 4
  br label %28

15:                                               ; preds = %3
  %16 = load ptr, ptr %6, align 8, !tbaa !9
  %17 = load i32, ptr %5, align 4, !tbaa !5
  call void @sqlite3StrAccumInit(ptr noundef %8, ptr noundef null, ptr noundef %16, i32 noundef %17, i32 noundef 0)
  %18 = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %9, i64 0, i64 0
  call void @llvm.va_start.p0(ptr %18)
  %19 = load ptr, ptr %7, align 8, !tbaa !9
  %20 = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %9, i64 0, i64 0
  call void @sqlite3_str_vappendf(ptr noundef %8, ptr noundef %19, ptr noundef %20)
  %21 = getelementptr inbounds [1 x %struct.__va_list_tag], ptr %9, i64 0, i64 0
  call void @llvm.va_end.p0(ptr %21)
  %22 = load ptr, ptr %6, align 8, !tbaa !9
  %23 = getelementptr inbounds %struct.sqlite3_str, ptr %8, i32 0, i32 4
  %24 = load i32, ptr %23, align 8, !tbaa !11
  %25 = zext i32 %24 to i64
  %26 = getelementptr inbounds i8, ptr %22, i64 %25
  store i8 0, ptr %26, align 1, !tbaa !13
  %27 = load ptr, ptr %6, align 8, !tbaa !9
  store ptr %27, ptr %4, align 8
  store i32 1, ptr %10, align 4
  br label %28

28:                                               ; preds = %15, %13
  call void @llvm.lifetime.end.p0(i64 24, ptr %9) #3
  call void @llvm.lifetime.end.p0(i64 32, ptr %8) #3
  %29 = load ptr, ptr %4, align 8
  ret ptr %29
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { nocallback nofree nosync nounwind willreturn }
attributes #3 = { 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}
!11 = !{!12, !6, i64 24}
!12 = !{!"sqlite3_str", !10, i64 0, !10, i64 8, !6, i64 16, !6, i64 20, !6, i64 24, !7, i64 28, !7, i64 29}
!13 = !{!7, !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"

%struct.sqlite3_str = type { ptr, ptr, i32, i32, i32, i8, i8 }
%struct.__va_list_tag = type { i32, i32, ptr, ptr }

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

; 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
declare dso_local void @sqlite3_str_vappendf(ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
declare hidden void @sqlite3StrAccumInit(ptr noundef, ptr noundef, ptr noundef, i32 noundef, i32 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare void @llvm.va_start.p0(ptr) #2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn
declare void @llvm.va_end.p0(ptr) #2

; Function Attrs: nounwind uwtable
define dso_local noundef ptr @sqlite3_snprintf(i32 noundef %0, ptr noundef returned %1, ptr noundef %2, ...) local_unnamed_addr #1 {
  %4 = alloca %struct.sqlite3_str, align 8
  %5 = alloca [1 x %struct.__va_list_tag], align 16
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %4) #3
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %5) #3
  %6 = icmp slt i32 %0, 1
  br i1 %6, label %12, label %7

7:                                                ; preds = %3
  call void @sqlite3StrAccumInit(ptr noundef nonnull %4, ptr noundef null, ptr noundef %1, i32 noundef %0, i32 noundef 0)
  call void @llvm.va_start.p0(ptr nonnull %5)
  call void @sqlite3_str_vappendf(ptr noundef nonnull %4, ptr noundef %2, ptr noundef nonnull %5)
  call void @llvm.va_end.p0(ptr nonnull %5)
  %8 = getelementptr inbounds i8, ptr %4, i64 24
  %9 = load i32, ptr %8, align 8, !tbaa !5
  %10 = zext i32 %9 to i64
  %11 = getelementptr inbounds i8, ptr %1, i64 %10
  store i8 0, ptr %11, align 1, !tbaa !11
  br label %12

12:                                               ; preds = %3, %7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #3
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #3
  ret ptr %1
}

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { mustprogress nocallback nofree nosync nounwind willreturn }
attributes #3 = { 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, !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 = !{!8, !8, i64 0}


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