private static async Task UpdateMethodBodyAsync(
ClrMethodDefinition method,
Optimizer optimizer,
TypeEnvironment typeSystem,
bool printIr)
{
var optBody = await optimizer.GetBodyAsync(method);
if (optBody == null)
{
// Looks like the method either doesn't have a body or
// we can't handle it for some reason.
return;
}
// Lower the optimized method body.
optBody = optBody.WithImplementation(
optBody.Implementation.Transform(
JumpToEntryRemoval.Instance,
DeadBlockElimination.Instance,
new SwitchLowering(typeSystem),
CopyPropagation.Instance,
InstructionReordering.Instance,
FuseMemoryAccesses.Instance,
new LowerBox(typeSystem.Object.GetDefiningAssemblyOrNull()),
DeadValueElimination.Instance,
new JumpThreading(false),
LowerDelegates.Instance));
if (printIr)
{
PrintIr(method, method.Body, optBody);
}
// Select CIL instructions for the optimized method body.
var newCilBody = ClrMethodBodyEmitter.Compile(optBody, method.Definition, typeSystem);
lock (method.Definition)
{
method.Definition.Body = newCilBody;
}
}