Added instruction operands (Seth Warn)

git-svn-id: http://llvm-py.googlecode.com/svn/trunk@66 8d1e9007-1d4e-0410-b67e-1979fd6579aa

test/operands.py

@@ -0,0 +1,48 @@
+#!/usr/bin/env python
+
+# Tests accessing of instruction operands.
+
+from llvm.core import *
+
+#===----------------------------------------------------------------------===
+
+# implement a test function
+def make_function():
+    test_module = """
+    define i32 @prod(i32, i32) {
+    entry:
+            %2 = mul i32 %0, %1
+            ret i32 %2
+    }
+
+    define i32 @test_func(i32, i32, i32) {
+    entry:
+            %tmp1 = call i32 @prod(i32 %0, i32 %1)
+            %tmp2 = add i32 %tmp1, %2
+            %tmp3 = add i32 %tmp2, 1
+            ret i32 %tmp3
+    }
+    """
+    class strstream(object):
+        def __init__(self): pass
+        def read(self): return test_module
+    m = Module.from_assembly(strstream())
+    print "-"*60
+    print m
+    print "-"*60
+    print "Examining function `test_func':"
+    return m.get_function_named("test_func")
+
+#===----------------------------------------------------------------------===
+
+func = make_function()
+idx = 1
+for inst in func.basic_blocks[0].instructions:
+    print "Instruction #%d:" % (idx,)
+    print "  operand_count =", inst.operand_count
+    print "  operands:"
+    oidx = 1
+    for op in inst.operands:
+        print "    %d: %s" % (oidx, repr(op))
+        oidx += 1
+    idx += 1