Code Review: Instructions3

tfpt review “/shelveset:Instructions3;REDMOND\tomat”
Comment :
Refactors interpreter instructions.

Adds instruction static factories to Instruction class (similarly to
Expression Tree factories). These factories take care of caching the
instructions if possible. Some instructions are generic and their
factories might need to call type.MakeGenericType(t). This is expensive
so we cache generic factories and pre-generate them for primitive types.

Improves performance and working set of CallInstruction by merging it
with ReflectedCaller class and generating specialized Run methods.

Removes name debug only field from LocalAccess instruction so that we
can cache it. The instruction debug view looks up the name on
LightCompiler.

The number of allocated instruction objects during “mspec ci core”
test run drops from 3,042,810 down to 1,268,421.

Tomas

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