diff options
Diffstat (limited to 'lib/VMCore/Value.cpp')
| -rw-r--r-- | lib/VMCore/Value.cpp | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/lib/VMCore/Value.cpp b/lib/VMCore/Value.cpp index 788f4191f5..4006b2c554 100644 --- a/lib/VMCore/Value.cpp +++ b/lib/VMCore/Value.cpp @@ -76,7 +76,7 @@ Value::~Value() { // If this value is named, destroy the name. This should not be in a symtab // at this point. - if (Name) + if (Name && SubclassID != MDStringVal) Name->Destroy(); // There should be no uses of this object anymore, remove it. @@ -170,6 +170,9 @@ StringRef Value::getName() const { } void Value::setName(const Twine &NewName) { + assert(SubclassID != MDStringVal && + "Cannot set the name of MDString with this method!"); + // Fast path for common IRBuilder case of setName("") when there is no name. if (NewName.isTriviallyEmpty() && !hasName()) return; @@ -228,6 +231,8 @@ void Value::setName(const Twine &NewName) { /// takeName - transfer the name from V to this value, setting V's name to /// empty. It is an error to call V->takeName(V). void Value::takeName(Value *V) { + assert(SubclassID != MDStringVal && "Cannot take the name of an MDString!"); + ValueSymbolTable *ST = 0; // If this value has a name, drop it. if (hasName()) { |