[cfe-commits] r86513 - /cfe/trunk/lib/CodeGen/CGExpr.cpp

[Eli Friedman]

Author: efriedma
Date: Sun Nov  8 22:20:47 2009
New Revision: 86513

URL: http://llvm.org/viewvc/llvm-project?rev=86513&view=rev
Log:
Explicitly note that pre-inc/dec lvalues are not supported yet, so that it
doesn't crash.  (Such expressions are valid in C++, but not in C.)


Modified:
    cfe/trunk/lib/CodeGen/CGExpr.cpp

Modified: cfe/trunk/lib/CodeGen/CGExpr.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/CodeGen/CGExpr.cpp?rev=86513&r1=86512&r2=86513&view=diff

==============================================================================
--- cfe/trunk/lib/CodeGen/CGExpr.cpp (original)
+++ cfe/trunk/lib/CodeGen/CGExpr.cpp Sun Nov  8 22:20:47 2009
@@ -919,13 +919,17 @@
     return LV;
   }
   case UnaryOperator::Real:
-  case UnaryOperator::Imag:
+  case UnaryOperator::Imag: {
     LValue LV = EmitLValue(E->getSubExpr());
     unsigned Idx = E->getOpcode() == UnaryOperator::Imag;
     return LValue::MakeAddr(Builder.CreateStructGEP(LV.getAddress(),
                                                     Idx, "idx"),
                             MakeQualifiers(ExprTy));
   }
+  case UnaryOperator::PreInc:
+  case UnaryOperator::PreDec:
+    return EmitUnsupportedLValue(E, "pre-inc/dec expression");
+  }
 }
 
 LValue CodeGenFunction::EmitStringLiteralLValue(const StringLiteral *E) {