Add ASTContext::getBaseElementType and use it in CodeGenFunction::EmitArraySubscriptExpr.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61303 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 10 insertions, 0 deletions

diff --git a/lib/AST/ASTContext.cpp b/lib/AST/ASTContext.cpp
index 791e38633b..f81d41aa61 100644
--- a/lib/AST/ASTContext.cpp
+++ b/lib/AST/ASTContext.cpp
@@ -1394,6 +1394,16 @@ QualType ASTContext::getArrayDecayedType(QualType Ty) {
   return PtrTy.getQualifiedType(PrettyArrayType->getIndexTypeQualifier());
 }
 
+QualType ASTContext::getBaseElementType(const VariableArrayType *VAT)
+{
+  QualType ElemTy = VAT->getElementType();
+  
+  if (const VariableArrayType *VAT = getAsVariableArrayType(ElemTy))
+    return getBaseElementType(VAT);
+  
+  return ElemTy;
+}
+
 /// getFloatingRank - Return a relative rank for floating point types.
 /// This routine will assert if passed a built-in type that isn't a float.
 static FloatingRank getFloatingRank(QualType T) {