From: Eli Friedman <eli.friedman@gmail.com>
Date: Tue, 13 May 2008 23:11:35 +0000 (+0000)
Subject: Add support for init lists for complex variables.
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=c4777f1928913423234d8d534898f22e9792ae52;p=clang

Add support for init lists for complex variables.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@51080 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/CodeGen/CGExprComplex.cpp b/lib/CodeGen/CGExprComplex.cpp
index 92b17e04d8..8a8e798677 100644
--- a/lib/CodeGen/CGExprComplex.cpp
+++ b/lib/CodeGen/CGExprComplex.cpp
@@ -177,6 +177,8 @@ public:
   
   ComplexPairTy VisitConditionalOperator(const ConditionalOperator *CO);
   ComplexPairTy VisitChooseExpr(ChooseExpr *CE);
+
+  ComplexPairTy VisitInitListExpr(InitListExpr *E);
 };
 }  // end anonymous namespace.
 
@@ -500,6 +502,17 @@ ComplexPairTy ComplexExprEmitter::VisitChooseExpr(ChooseExpr *E) {
   return Visit(E->isConditionTrue(CGF.getContext()) ? E->getLHS() :E->getRHS());
 }
 
+ComplexPairTy ComplexExprEmitter::VisitInitListExpr(InitListExpr *E) {
+  if (E->getNumInits())
+    return Visit(E->getInit(0));
+
+  // Empty init list intializes to null
+  QualType Ty = E->getType()->getAsComplexType()->getElementType();
+  const llvm::Type* LTy = CGF.ConvertType(Ty);
+  llvm::Value* zeroConstant = llvm::Constant::getNullValue(LTy);
+  return ComplexPairTy(zeroConstant, zeroConstant);
+}
+
 //===----------------------------------------------------------------------===//
 //                         Entry Point into this File
 //===----------------------------------------------------------------------===//