[pypy-commit] pypy llvm-translation-backend: Implement field offset calculation for FixedSizeArrays.

[mjacob]

Author: Manuel Jacob <me at manueljacob.de>
Branch: llvm-translation-backend
Changeset: r80829:2980f62bc491
Date: 2015-11-22 11:55 +0100
http://bitbucket.org/pypy/pypy/changeset/2980f62bc491/

Log:	Implement field offset calculation for FixedSizeArrays.

diff --git a/rpython/translator/llvm/genllvm.py b/rpython/translator/llvm/genllvm.py
--- a/rpython/translator/llvm/genllvm.py
+++ b/rpython/translator/llvm/genllvm.py
@@ -237,9 +237,14 @@
             indices.append('i64 0')
         if isinstance(offset, llmemory.FieldOffset):
             type = database.get_type(offset.TYPE)
-            indices.append('i32 {}'.format(
-                    type.fldnames_wo_voids.index(offset.fldname)))
-            return offset.TYPE._flds[offset.fldname]
+            if isinstance(type, BareArrayType):
+                assert offset.fldname.startswith('item')
+                indices.append('i32 {}'.format(int(offset.fldname[4:])))
+                return offset.TYPE.OF
+            else:
+                indices.append('i32 {}'.format(
+                        type.fldnames_wo_voids.index(offset.fldname)))
+                return offset.TYPE._flds[offset.fldname]
         if isinstance(offset, llmemory.ArrayLengthOffset):
             if offset.TYPE._gckind == 'gc':
                 indices.append('i32 1')