/// <summary>
/// Loads the address of an array element.
/// </summary>
private void LoadArrayElementAddress()
{
var idx = CurrentBlock.PopInt();
var array = CurrentBlock.Pop();
Debug.Assert(array.ValueType.IsArray);
var addr = ComputeArrayAddress(array.LLVMValue, idx.LLVMValue);
CurrentBlock.Push(array.ValueType.GetElementType().MakePointerType(), addr);
}
/// <summary>
/// Loads an array element.
/// </summary>
/// <param name="type">The type of element to load.</param>
private void LoadArrayElement(Type type)
{
var idx = CurrentBlock.PopInt();
var array = CurrentBlock.Pop();
Debug.Assert(array.ValueType.IsArray);
var addr = ComputeArrayAddress(array.LLVMValue, idx.LLVMValue);
var value = BuildLoad(Builder, addr, string.Empty);
CurrentBlock.Push(CreateConversion(new Value(array.ValueType.GetElementType(), value), type));
}
/// <summary>
/// Stores an array element of the specified type.
/// </summary>
/// <param name="type">The target type.</param>
private void StoreArrayElement(Type type)
{
var value = CurrentBlock.Pop(type);
var idx = CurrentBlock.PopInt();
var array = CurrentBlock.Pop();
Debug.Assert(array.ValueType.IsArray);
var addr = ComputeArrayAddress(array.LLVMValue, idx.LLVMValue);
BuildStore(Builder, value.LLVMValue, addr);
}
/// <summary>
/// Realizes a switch instruction.
/// </summary>
/// <param name="targets">The jump targets.</param>
private unsafe void MakeSwitch(ILInstructionBranchTargets targets)
{
var switchValue = CurrentBlock.PopInt();
var defaultBlock = bbMapping[targets.SwitchDefaultTarget.Value];
var @switch = BuildSwitch(
Builder,
switchValue.LLVMValue,
defaultBlock.LLVMBlock,
targets.Count - 1);
for (int i = 1, e = targets.Count; i < e; ++i)
{
var block = bbMapping[targets[i]];
AddCase(
@switch,
ConstInt(LLVMContext.Int32Type, i - 1, true), block.LLVMBlock);
}
}