/// <summary>
/// Compiles an assembly content description to an LLVM module.
/// </summary>
/// <param name="contents">An assembly content description to compile.</param>
/// <param name="typeSystem">A type system to use.</param>
/// <param name="mangler">A name mangler to use.</param>
/// <returns>An LLVM module builder.</returns>
public static ModuleBuilder Compile(
AssemblyContentDescription contents,
TypeEnvironment typeSystem,
NameMangler mangler)
{
return(Compile(contents, typeSystem, mangler, ClrInternalCallImplementor.Instance));
}
private static Task <AssemblyContentDescription> CreateContentDescriptionAsync(ClrAssembly assembly)
{
var typeSystem = assembly.Resolver.TypeEnvironment;
var pipeline = new Optimization[]
{
new ConstantPropagation(),
MemoryAccessElimination.Instance,
DeadValueElimination.Instance,
new JumpThreading(true),
SwitchSimplification.Instance,
DuplicateReturns.Instance,
TailRecursionElimination.Instance,
BlockFusion.Instance
};
var optimizer = new OnDemandOptimizer(
pipeline,
method => GetInitialMethodBody(method, typeSystem));
return(AssemblyContentDescription.CreateTransitiveAsync(
assembly.FullName,
assembly.Attributes,
assembly.Resolve(assembly.Definition.EntryPoint),
optimizer));
}
private static Task <AssemblyContentDescription> CreateContentDescriptionAsync(
IMethod method,
IEnumerable <ITypeMember> memberRoots,
IEnumerable <IType> typeRoots,
ClrAssembly assembly)
{
// TODO: deduplicate this logic (it also appears in IL2LLVM and ILOpt)
var typeSystem = assembly.Resolver.TypeEnvironment;
var pipeline = new Optimization[]
{
new ConstantPropagation(),
MemoryAccessElimination.Instance,
DeadValueElimination.Instance,
new JumpThreading(true),
SwitchSimplification.Instance,
DuplicateReturns.Instance,
TailRecursionElimination.Instance,
BlockFusion.Instance
};
var optimizer = new OnDemandOptimizer(
pipeline,
m => GetInitialMethodBody(m, typeSystem));
return(AssemblyContentDescription.CreateTransitiveAsync(
new SimpleName("kernel").Qualify(),
assembly.Attributes,
null,
new ITypeMember[] { method }.Concat(memberRoots),
typeRoots,
optimizer));
}
/// <summary>
/// Compiles an assembly content description to an LLVM module.
/// </summary>
/// <param name="contents">An assembly content description to compile.</param>
/// <param name="typeSystem">A type system to use.</param>
/// <param name="mangler">A name mangler to use.</param>
/// <param name="internalCallImplementor">An internal call implementor to use.</param>
/// <returns>An LLVM module builder.</returns>
public static ModuleBuilder Compile(
AssemblyContentDescription contents,
TypeEnvironment typeSystem,
NameMangler mangler,
InternalCallImplementor internalCallImplementor)
{
var module = LLVM.ModuleCreateWithName(contents.FullName.FullyUnqualifiedName.ToString());
var builder = new ModuleBuilder(
module,
typeSystem,
mangler,
MallocInterface.Instance,
new ClosedMetadataFormat(contents.Types, contents.TypeMembers));
var icalls = new Dictionary <IMethod, LLVMValueRef>();
foreach (var method in contents.TypeMembers.OfType <IMethod>())
{
var fun = builder.DeclareMethod(method);
if (method.IsInternalCall())
{
icalls[method] = fun;
}
}
foreach (var pair in contents.MethodBodies)
{
builder.DefineMethod(pair.Key, pair.Value);
icalls.Remove(pair.Key);
}
foreach (var pair in icalls)
{
internalCallImplementor.Implement(pair.Key, pair.Value, builder);
}
if (contents.EntryPoint != null)
{
// If there is an entry point, then we will synthesize a 'main' function that calls
// said entry point.
builder.SynthesizeMain(contents.EntryPoint);
}
return(builder);
}
/// <summary>
/// Compiles an assembly content description to an LLVM module.
/// </summary>
/// <param name="contents">An assembly content description to compile.</param>
/// <param name="typeSystem">A type system to use.</param>
/// <returns>An LLVM module builder.</returns>
public static ModuleBuilder Compile(
AssemblyContentDescription contents,
TypeEnvironment typeSystem)
{
return(Compile(contents, typeSystem, new ItaniumMangler(typeSystem)));
}