/// <summary>
/// Realizes a conditional branch instruction.
/// </summary>
/// <param name="targets">The jump targets.</param>
/// <param name="compareType">The comparison type of the condition.</param>
/// <param name="unsigned">True, .</param>
private void MakeBranch(ILInstructionBranchTargets targets, CompareType compareType, bool unsigned)
{
var condition = CreateCompare(compareType, unsigned);
var ifBlock = bbMapping[targets.ConditionalBranchIfTarget.Value];
var elseBlock = bbMapping[targets.ConditionalBranchElseTarget.Value];
BuildCondBr(
Builder,
condition.LLVMValue,
ifBlock.LLVMBlock,
elseBlock.LLVMBlock);
}
/// <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);
}
}
/// <summary>
/// Realizes an uncoditional branch instruction.
/// </summary>
/// <param name="targets">The jump targets.</param>
private void MakeBranch(ILInstructionBranchTargets targets)
{
var block = bbMapping[targets.UnconditionalBranchTarget.Value];
BuildBr(Builder, block.LLVMBlock);
}
