Add image computation of typesets; Remove TypeVar.singleton_type - instead derive singleton type from typeset; (#104)

2017-06-23 11:57:24 -07:00
parent 9487b885da
commit 6a9438d274
7 changed files with 294 additions and 49 deletions
--- a/lib/cretonne/meta/cdsl/instructions.py
+++ b/lib/cretonne/meta/cdsl/instructions.py
@@ -186,7 +186,7 @@ class Instruction(object):
            try:
                opnum = self.value_opnums[self.format.typevar_operand]
                tv = self.ins[opnum].typevar
-                if tv is tv.free_typevar():
+                if tv is tv.free_typevar() or tv.singleton_type() is not None:
                    self.other_typevars = self._verify_ctrl_typevar(tv)
                    self.ctrl_typevar = tv
                    self.use_typevar_operand = True