Try to depend only on the ir module being in scope.

Generated code should used qualified names assuming that `ir` is in
scope, not everything else.

lib/cretonne/meta/cdsl/types.py

@@ -39,7 +39,7 @@ class ValueType(object):
 
     def rust_name(self):
         # type: () -> str
-        return 'types::' + self.name.upper()
+        return 'ir::types::' + self.name.upper()
 
     @staticmethod
     def by_name(name):

lib/cretonne/meta/gen_encoding.py

@@ -653,7 +653,7 @@ def emit_level2_hashtables(level2_hashtables, offt, level2_doc, fmt):
             if entry:
                 fmt.line(
                         'Level2Entry ' +
-                        '{{ opcode: Some(Opcode::{}), offset: {:#08x} }},'
+                        '{{ opcode: Some(ir::Opcode::{}), offset: {:#08x} }},'
                         .format(entry.inst.camel_name, entry.offset))
             else:
                 fmt.line(
@@ -678,7 +678,7 @@ def emit_level1_hashtable(cpumode, level1, offt, fmt):
             # Empty hash table entry. Include the default legalization action.
             if not level2:
                 fmt.format(
-                        'Level1Entry {{ ty: types::VOID, log2len: !0, '
+                        'Level1Entry {{ ty: ir::types::VOID, log2len: !0, '
                         'offset: 0, legalize: {} }},',
                         level1.legalize_code)
                 continue
@@ -686,7 +686,7 @@ def emit_level1_hashtable(cpumode, level1, offt, fmt):
             if level2.ty is not None:
                 tyname = level2.ty.rust_name()
             else:
-                tyname = 'types::VOID'
+                tyname = 'ir::types::VOID'
 
             lcode = cpumode.isa.legalize_code(level2.legalize)
 

lib/cretonne/meta/gen_instr.py

@@ -350,10 +350,10 @@ def gen_typesets_table(fmt, type_sets):
     fmt.comment('Table of value type sets.')
     assert len(type_sets.table) <= typeset_limit, "Too many type sets"
     with fmt.indented(
-            'const TYPE_SETS : [ValueTypeSet; {}] = ['
+            'const TYPE_SETS : [ir::instructions::ValueTypeSet; {}] = ['
             .format(len(type_sets.table)), '];'):
         for ts in type_sets.table:
-            with fmt.indented('ValueTypeSet {', '},'):
+            with fmt.indented('ir::instructions::ValueTypeSet {', '},'):
                 ts.emit_fields(fmt)