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Simplify.

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llvm-svn: 77102
This commit is contained in:
Daniel Dunbar 2009-07-26 00:42:33 +00:00
parent ec256c8938
commit ddf2470263
1 changed files with 5 additions and 12 deletions
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17
lib/VMCore/Value.cpp
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@ -177,7 +177,10 @@ void Value::setName(const Twine &NewName) {
const char *NameStr = NameData.data();
unsigned NameLen = NameData.size();
if (NameLen == 0 && !hasName()) return;
// Name isn't changing?
if (getName() == StringRef(NameStr, NameLen))
return;
assert(getType() != Type::VoidTy && "Cannot assign a name to void values!");
// Get the symbol table to update for this object.
@ -193,13 +196,8 @@ void Value::setName(const Twine &NewName) {
return;
}
if (Name) {
// Name isn't changing?
if (NameLen == Name->getKeyLength() &&
!memcmp(Name->getKeyData(), NameStr, NameLen))
return;
if (Name)
Name->Destroy();
}
// NOTE: Could optimize for the case the name is shrinking to not deallocate
// then reallocated.
@ -213,11 +211,6 @@ void Value::setName(const Twine &NewName) {
// NOTE: Could optimize for the case the name is shrinking to not deallocate
// then reallocated.
if (hasName()) {
// Name isn't changing?
if (NameLen == Name->getKeyLength() &&
!memcmp(Name->getKeyData(), NameStr, NameLen))
return;
// Remove old name.
ST->removeValueName(Name);
Name->Destroy();