commit a5f779dcfbc19b7387936032c6fccc39dc6ff690
author Chris Lattner <sabre@nondot.org> Fri Dec 12 05:35:08 2008 +0000
committer Chris Lattner <sabre@nondot.org> Fri Dec 12 05:35:08 2008 +0000
tree 9bb39524063bf3b6401597a104dda72b392ea122
parent 0d9adb5adf993fdb0b6cbfc268090105644f18d7

Fix rdar://6095061 - gcc allows __builtin_choose_expr as an lvalue



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@60924 91177308-0d34-0410-b5e6-96231b3b80d8

lib/CodeGen/CGExpr.cpp

diff --git a/lib/CodeGen/CGExpr.cpp b/lib/CodeGen/CGExpr.cpp
index bdbd5ca..a7a64e3 100644
--- a/lib/CodeGen/CGExpr.cpp
+++ b/lib/CodeGen/CGExpr.cpp
@@ -146,6 +146,12 @@
   case Expr::MemberExprClass: return EmitMemberExpr(cast<MemberExpr>(E));
   case Expr::CompoundLiteralExprClass:
     return EmitCompoundLiteralLValue(cast<CompoundLiteralExpr>(E));
+  case Expr::ChooseExprClass:
+    // __builtin_choose_expr is the lvalue of the selected operand.
+    if (cast<ChooseExpr>(E)->isConditionTrue(getContext()))
+      return EmitLValue(cast<ChooseExpr>(E)->getLHS());
+    else
+      return EmitLValue(cast<ChooseExpr>(E)->getRHS());
   }
 }