[cfe-commits] r41427 - /cfe/trunk/CodeGen/CGExprScalar.cpp

[Chris Lattner]

Author: lattner
Date: Sun Aug 26 00:29:21 2007
New Revision: 41427

URL: http://llvm.org/viewvc/llvm-project?rev=41427&view=rev
Log:
implement codegen of __imag of a scalar.  Our impl doesn't suffer from 
GCC bug PR33192.


Modified:
    cfe/trunk/CodeGen/CGExprScalar.cpp

Modified: cfe/trunk/CodeGen/CGExprScalar.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/CodeGen/CGExprScalar.cpp?rev=41427&r1=41426&r2=41427&view=diff

==============================================================================
--- cfe/trunk/CodeGen/CGExprScalar.cpp (original)
+++ cfe/trunk/CodeGen/CGExprScalar.cpp Sun Aug 26 00:29:21 2007
@@ -393,9 +393,11 @@
   Expr *Op = E->getSubExpr();
   if (Op->getType()->isComplexType())
     return CGF.EmitComplexExpr(Op).second;
-
-  // FIXME: does this evaluate the subexpr??
-  return 0;  // FIXME:  Return zero of the right int/fp type.
+  
+  // __imag on a scalar returns zero.  Emit it the subexpr to ensure side
+  // effects are evaluated.
+  CGF.EmitScalarExpr(Op);
+  return llvm::Constant::getNullValue(ConvertType(E->getType()));
 }