_mjit_compile_send.erb: inline attr_reader call
_mjit_compile_send_guard.erb: carve out the shared logic to invalidate
inlined method call
common.mk: update dependency for this change
test_jit.rb: add test for attr_reader optimization
* Benchmark
```
require 'benchmark_driver'
Benchmark.driver do |x|
x.prelude %{
class C
attr_reader :a
def initialize
@a = 1
end
end
o = C.new
def l o
i = 0
while i < 1000000
o.a
i += 1
end
end
}
x.report 'aread', %{ l o }
x.loop_count 1000
x.rbenv 'before', 'before,--jit', 'after,--jit'
x.verbose
end
```
```
before: ruby 2.6.0dev (2018-04-20 trunk 63211) [x86_64-linux]
before,--jit: ruby 2.6.0dev (2018-04-20 trunk 63211) +JIT [x86_64-linux]
after,--jit: ruby 2.6.0dev (2018-04-20 trunk 63211) +JIT [x86_64-linux]
last_commit=_mjit_compile_send.erb: inline attr_reader call
Calculating -------------------------------------
before before,--jit after,--jit
aread 54.597 122.894 218.574 i/s - 1.000k times in 18.316102s 8.137089s 4.575106s
Comparison:
aread
after,--jit: 218.6 i/s
before,--jit: 122.9 i/s - 1.78x slower
before: 54.6 i/s - 4.00x slower
```
* Optcarrot
A little made faster?
fps: 71.35 -> 72.11
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@63212 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
e72a86fc93