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-rw-r--r--lib/CodeGen/CGDecl.cpp10
-rw-r--r--test/CodeGenCXX/references.cpp6
2 files changed, 10 insertions, 6 deletions
diff --git a/lib/CodeGen/CGDecl.cpp b/lib/CodeGen/CGDecl.cpp
index 52bb90e7f8..bcad77be51 100644
--- a/lib/CodeGen/CGDecl.cpp
+++ b/lib/CodeGen/CGDecl.cpp
@@ -332,11 +332,6 @@ void CodeGenFunction::EmitLocalBlockVarDecl(const VarDecl &D) {
DI->EmitDeclareOfAutoVariable(&D, DeclPtr, Builder);
}
- if (D.getType()->isReferenceType()) {
- CGM.ErrorUnsupported(&D, "declaration with reference type");
- return;
- }
-
// If this local has an initializer, emit it now.
if (const Expr *Init = D.getInit()) {
llvm::Value *Loc = DeclPtr;
@@ -344,7 +339,10 @@ void CodeGenFunction::EmitLocalBlockVarDecl(const VarDecl &D) {
bool needsCopyDispose = BlockRequiresCopying(Ty);
Loc = Builder.CreateStructGEP(DeclPtr, needsCopyDispose*2+4, "x");
}
- if (!hasAggregateLLVMType(Init->getType())) {
+ if (Ty->isReferenceType()) {
+ llvm::Value *V = EmitReferenceBindingToExpr(Init, Ty).getScalarVal();
+ EmitStoreOfScalar(V, Loc, false, Ty);
+ } else if (!hasAggregateLLVMType(Init->getType())) {
llvm::Value *V = EmitScalarExpr(Init);
EmitStoreOfScalar(V, Loc, D.getType().isVolatileQualified(),
D.getType());
diff --git a/test/CodeGenCXX/references.cpp b/test/CodeGenCXX/references.cpp
index 5c5518b38b..5d4ac06c5b 100644
--- a/test/CodeGenCXX/references.cpp
+++ b/test/CodeGenCXX/references.cpp
@@ -78,3 +78,9 @@ void test_aggregate() {
int& reference_return() {
return g;
}
+
+int reference_decl() {
+ int& a = g;
+ const int& b = 1;
+ return a+b;
+}