Step forward with supporting of ARM homogenous aggregates:

  - Handle unions
  - Handle C++ classes


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154664 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 13 insertions, 0 deletions

diff --git a/lib/CodeGen/CGExpr.cpp b/lib/CodeGen/CGExpr.cpp
index 08970fd738..a7f5c47bbc 100644
--- a/lib/CodeGen/CGExpr.cpp
+++ b/lib/CodeGen/CGExpr.cpp
@@ -2378,6 +2378,19 @@ LValue CodeGenFunction::EmitMaterializeTemporaryExpr(
   return MakeAddrLValue(RV.getScalarVal(), E->getType());
 }
 
+RValue CodeGenFunction::EmitRValueForField(llvm::Value *Addr,
+                                           const FieldDecl *FD) {
+  QualType FT = FD->getType();
+  // FIXME: What are the right qualifiers here?
+  LValue LV = EmitLValueForField(Addr, FD, 0);
+  if (FT->isAnyComplexType())
+    // FIXME: Volatile?
+    return RValue::getComplex(LoadComplexFromAddr(LV.getAddress(), false));
+  else if (CodeGenFunction::hasAggregateLLVMType(FT))
+    return LV.asAggregateRValue();
+
+  return EmitLoadOfLValue(LV);
+}
 
 //===--------------------------------------------------------------------===//
 //                             Expression Emission