public Function CodeGen(IRBuilder builder)
{
CodeGenManager.NamedValues.Clear();
Function func = this.Proto.CodeGen(builder);
if(func == null)
return null;
// Create a new basic block to start insertion into.
BasicBlock bb = func.AppendBasicBlock("entry");
builder.SetInsertPoint(bb);
Value retVal = Body.CodeGen(builder);
if(!retVal.IsNull)
{
builder.BuildReturn(retVal);
// Validate the generated code, checking for consistency.
func.Validate(LLVMVerifierFailureAction.PrintMessageAction);
return func;
}
// Error reading body, remove function.
func.Delete();
return null;
}
public Function CodeGen(IRBuilder builder, PassManager passManager)
{
CodeGenManager.NamedValues.Clear();
Function func = this.Proto.CodeGen(builder);
if(func == null)
return null;
// If this is an operator, install it.
if(this.Proto.IsBinaryOp)
CodeGenManager.BinopPrecendence[Proto.OperatorName] = Proto.Precedence;
// Create a new basic block to start insertion into.
BasicBlock bb = func.AppendBasicBlock("entry");
builder.SetInsertPoint(bb);
Proto.CreateArgAllocas(func, builder);
Value retVal = Body.CodeGen(builder);
if(!retVal.IsNull)
{
builder.BuildReturn(retVal);
// Validate the generated code, checking for consistency.
func.Validate(LLVMVerifierFailureAction.PrintMessageAction);
// Optimize the function.
passManager.Run(func);
return func;
}
// Error reading body, remove function.
func.Delete();
return null;
}
