Changeset View

Standalone View

Show First 20 Lines • Show All 1,959 Lines • ▼ Show 20 Lines	bool CodeGenFunction::ShouldNullCheckClassCastValue(const CastExpr *CE) {

if (isa<CXXThisExpr>(E->IgnoreParens())) {		if (isa<CXXThisExpr>(E->IgnoreParens())) {
// We always assume that 'this' is never null.		// We always assume that 'this' is never null.
return false;		return false;
}		}

if (const ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(CE)) {		if (const ImplicitCastExpr *ICE = dyn_cast<ImplicitCastExpr>(CE)) {
// And that glvalue casts are never null.		// And that glvalue casts are never null.
if (ICE->getValueKind() != VK_PRValue)		if (ICE->isGLValue())
return false;		return false;
}		}

return true;		return true;
}		}

// VisitCastExpr - Emit code for an explicit or implicit cast. Implicit casts		// VisitCastExpr - Emit code for an explicit or implicit cast. Implicit casts
// have to handle a more broad range of conversions than explicit casts, as they		// have to handle a more broad range of conversions than explicit casts, as they
▲ Show 20 Lines • Show All 3,156 Lines • Show Last 20 Lines