Implement most of the remaining logic in __is_literal type trait. This
should now support all of the C++98 types, and all of the C++0x types
Clang supports.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@130079 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/DeclCXX.cpp b/lib/AST/DeclCXX.cpp
index af796d5..a71750b 100644
--- a/lib/AST/DeclCXX.cpp
+++ b/lib/AST/DeclCXX.cpp
@@ -32,9 +32,11 @@
UserDeclaredCopyAssignment(false), UserDeclaredDestructor(false),
Aggregate(true), PlainOldData(true), Empty(true), Polymorphic(false),
Abstract(false), HasTrivialConstructor(true),
+ HasConstExprNonCopyMoveConstructor(false),
HasTrivialCopyConstructor(true), HasTrivialMoveConstructor(true),
HasTrivialCopyAssignment(true), HasTrivialMoveAssignment(true),
- HasTrivialDestructor(true), ComputedVisibleConversions(false),
+ HasTrivialDestructor(true), HasNonLiteralTypeFieldsOrBases(false),
+ ComputedVisibleConversions(false),
DeclaredDefaultConstructor(false), DeclaredCopyConstructor(false),
DeclaredCopyAssignment(false), DeclaredDestructor(false),
NumBases(0), NumVBases(0), Bases(), VBases(),
@@ -117,6 +119,10 @@
// polymorphic class.
if (BaseClassDecl->isPolymorphic())
data().Polymorphic = true;
+
+ // Record if this base is the first non-literal field or base.
+ if (!hasNonLiteralTypeFieldsOrBases() && !BaseType->isLiteralType())
+ data().HasNonLiteralTypeFieldsOrBases = true;
// Now go through all virtual bases of this base and add them.
for (CXXRecordDecl::base_class_iterator VBase =
@@ -486,6 +492,12 @@
data().HasTrivialMoveConstructor = false;
}
}
+ if (Constructor->isConstExpr() &&
+ !Constructor->isCopyOrMoveConstructor()) {
+ // Record if we see any constexpr constructors which are niether copy
+ // nor move constructors.
+ data().HasConstExprNonCopyMoveConstructor = true;
+ }
return;
}
@@ -620,7 +632,11 @@
data().PlainOldData = false;
if (T->isReferenceType())
data().HasTrivialConstructor = false;
-
+
+ // Record if this field is the first non-literal field or base.
+ if (!hasNonLiteralTypeFieldsOrBases() && !T->isLiteralType())
+ data().HasNonLiteralTypeFieldsOrBases = true;
+
if (const RecordType *RecordTy = T->getAs<RecordType>()) {
CXXRecordDecl* FieldRec = cast<CXXRecordDecl>(RecordTy->getDecl());
if (FieldRec->getDefinition()) {