Add a new ChooseExpr::isConditionTrue method to unify
some code.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@43322 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/CodeGen/CGExprComplex.cpp b/CodeGen/CGExprComplex.cpp
index f27519c..aa66bb6 100644
--- a/CodeGen/CGExprComplex.cpp
+++ b/CodeGen/CGExprComplex.cpp
@@ -499,12 +499,8 @@
 }
 
 ComplexPairTy ComplexExprEmitter::VisitChooseExpr(ChooseExpr *E) {
-  llvm::APSInt CondVal(32);
-  bool IsConst = E->getCond()->isIntegerConstantExpr(CondVal, CGF.getContext());
-  assert(IsConst && "Condition of choose expr must be i-c-e"); IsConst=IsConst;
-  
   // Emit the LHS or RHS as appropriate.
-  return Visit(CondVal != 0 ? E->getLHS() : E->getRHS());
+  return Visit(E->isConditionTrue(CGF.getContext()) ? E->getLHS() :E->getRHS());
 }
 
 //===----------------------------------------------------------------------===//