Port gen_send_iseq to the new backend IR (#381)

* Port gen_send_iseq to the new backend IR

* Replace occurrences of 8 by SIZEOF_VALUE

Co-authored-by: Maxime Chevalier-Boisvert <maximechevalierb@gmail.com>
Co-authored-by: Maxime Chevalier-Boisvert <maxime.chevalierboisvert@shopify.com>

.cirrus.yml

@@ -157,16 +157,12 @@ yjit_task:
     bootstraptest/test_struct.rb \
     bootstraptest/test_syntax.rb \
     bootstraptest/test_thread.rb \
+    bootstraptest/test_yjit_30k_ifelse.rb \
+    bootstraptest/test_yjit_30k_methods.rb \
     bootstraptest/test_yjit_new_backend.rb \
     bootstraptest/test_yjit_rust_port.rb
 
   # These are the btests we can't run yet on arm:
-  #bootstraptest/test_block.rb (missing opt_send)
-  #bootstraptest/test_insns.rb (missing opt_send)
-  #bootstraptest/test_ractor.rb ? (untested)
-  #bootstraptest/test_literal.rb (displacement bug)
-  #bootstraptest/test_yjit.rb  (multiple bugs)
-  #bootstraptest/test_yjit_30k_ifelse.rb (missing opt_send)
-  #bootstraptest/test_yjit_30k_methods.rb (missing opt_send)
+  #bootstraptest/test_yjit.rb (out of executable memory not handled)
 
   # full_build_script: make -j

bootstraptest/test_yjit.rb

@@ -3165,3 +3165,36 @@ def foo(path)
 
 # opt_invokebuiltin_delegate_leave
 assert_equal '[0]', %q{"\x00".unpack("c")}
+
+# opt_send_without_block (VM_METHOD_TYPE_ISEQ)
+assert_equal '1', %q{
+  def foo = 1
+  def bar = foo
+  bar
+}
+assert_equal '[1, 2, 3]', %q{
+  def foo(a, b) = [1, a, b]
+  def bar = foo(2, 3)
+  bar
+}
+assert_equal '[1, 2, 3, 4, 5, 6]', %q{
+  def foo(a, b, c:, d:, e: 0, f: 6) = [a, b, c, d, e, f]
+  def bar = foo(1, 2, c: 3, d: 4, e: 5)
+  bar
+}
+assert_equal '[1, 2, 3, 4]', %q{
+  def foo(a, b = 2) = [a, b]
+  def bar = foo(1) + foo(3, 4)
+  bar
+}
+
+assert_equal '1', %q{
+  def foo(a) = a
+  def bar = foo(1) { 2 }
+  bar
+}
+assert_equal '[1, 2]', %q{
+  def foo(a, &block) = [a, block.call]
+  def bar = foo(1) { 2 }
+  bar
+}