diff options
Diffstat (limited to 'tool/ruby_vm/models/bare_instructions.rb')
| -rwxr-xr-x | tool/ruby_vm/models/bare_instructions.rb | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/tool/ruby_vm/models/bare_instructions.rb b/tool/ruby_vm/models/bare_instructions.rb index d2ff1341a0..5c27af3a38 100755 --- a/tool/ruby_vm/models/bare_instructions.rb +++ b/tool/ruby_vm/models/bare_instructions.rb @@ -105,6 +105,10 @@ class RubyVM::BareInstructions /\b(false|0)\b/ !~ @attrs['handles_sp'].expr.expr end + def complicated_return_values? + @sig[:ret].any? {|i| i == '...' } + end + def inspect sprintf "#<%s %s@%s:%d>", self.class.name, @name, @loc[0], @loc[1] end @@ -130,6 +134,10 @@ class RubyVM::BareInstructions generate_attribute 'rb_num_t', 'width', width generate_attribute 'rb_snum_t', 'sp_inc', rets.size - pops.size generate_attribute 'bool', 'handles_sp', false + generate_attribute 'bool', 'leaf', opes.all? {|o| + # Insn with ISEQ should yield it; can never be a leaf. + o[:type] != 'ISEQ' + } end def typesplit a |