Added llvm.core.Argument.alignment

git-svn-id: http://llvm-py.googlecode.com/svn/trunk@101 8d1e9007-1d4e-0410-b67e-1979fd6579aa

CHANGELOG

@@ -1,6 +1,7 @@
 
 0.7, in progress:
 
+  * Add llvm.core.Argument.alignment property.
   * Migrate to LLVM 2.8.
   * Fix ffi link issue on darwin (Albert Mietus) (Issue #29).
   * LLVM tutorial ported (Max Shawabkeh) (Issue #33).

llvm/core.py

@@ -1260,9 +1260,15 @@ class Argument(Value):
     def remove_attribute(self, attr):
         _core.LLVMRemoveAttribute(self.ptr, attr)
 
-    def set_alignment(self, align):
+    def _set_alignment(self, align):
         _core.LLVMSetParamAlignment(self.ptr, align)
 
+    def _get_alignment(self):
+        return _core.LLVMGetParamAlignment(self.ptr)
+
+    alignment = \
+        property(_get_alignment, _set_alignment)
+
 
 class Function(GlobalValue):
 

test/testall.py

@@ -267,7 +267,8 @@ def do_argument():
     a = f.args[0]
     a.add_attribute(ATTR_ZEXT)
     a.remove_attribute(ATTR_ZEXT)
-    a.set_alignment(4)
+    a.alignment = 16
+    a1 = a.alignment
 
 
 def do_function():

test/testattrs.py

@@ -0,0 +1,28 @@
+#!/usr/bin/env python
+
+from llvm.core import *
+from cStringIO import StringIO
+
+
+def make_module():
+    test_module = """
+    define i32 @sum(i32, i32) {
+    entry:
+            %2 = add i32 %0, %1
+            ret i32 %2
+    }
+    """
+    return Module.from_assembly(StringIO(test_module))
+
+
+def test_align(m):
+    f = m.get_function_named('sum')
+    f.args[0].alignment = 16
+    assert "align 16" in str(f)
+    assert f.args[0].alignment == 16
+
+
+m = make_module()
+test_align(m)
+
+