/// <summary>
/// Create a new LLVM block builder and position
/// it accordingly.
/// </summary>
public static LLVMBuilderRef CreateBuilder(this LLVMBasicBlockRef block, bool positionAtEnd = true)
{
// Create a new builder.
LLVMBuilderRef builder = LLVM.CreateBuilder();
// Position the builder at the beginning of the block.
if (!positionAtEnd)
{
LLVMValueRef lastInstruction = block.GetLastInstruction();
// No instructions, position at beginning.
if (lastInstruction.Pointer == IntPtr.Zero)
{
LLVM.PositionBuilderAtEnd(builder, block);
}
// Otherwise, position it before the last instruction.
else
{
LLVM.PositionBuilderBefore(builder, lastInstruction);
}
}
// Otherwise, at the end of the block.
else
{
LLVM.PositionBuilderAtEnd(builder, block);
}
// Return the linked builder.
return(builder);
}
/// <summary>
/// Create a new LLVM block builder and position
/// it accordingly.
/// </summary>
public static LLVMBuilderRef CreateBuilder(this LLVMBasicBlockRef block, bool positionAtStart = true)
{
// Create a new builder.
LLVMBuilderRef builder = LLVM.CreateBuilder();
// Position the builder at the beginning of the block.
if (positionAtStart)
{
LLVM.PositionBuilderBefore(builder, block.GetLastInstruction());
}
// Otherwise, at the end of the block.
else
{
LLVM.PositionBuilderAtEnd(builder, block);
}
// Return the linked builder.
return(builder);
}
