aboutsummaryrefslogtreecommitdiff
path: root/lib/MC/MCContext.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'lib/MC/MCContext.cpp')
-rw-r--r--lib/MC/MCContext.cpp24
1 files changed, 14 insertions, 10 deletions
diff --git a/lib/MC/MCContext.cpp b/lib/MC/MCContext.cpp
index ae9a30a95f..70c89a2333 100644
--- a/lib/MC/MCContext.cpp
+++ b/lib/MC/MCContext.cpp
@@ -23,18 +23,25 @@ MCContext::~MCContext() {
// we don't need to free them here.
}
-MCSymbol *MCContext::GetOrCreateSymbol(StringRef Name) {
+MCSymbol *MCContext::GetOrCreateSymbol(StringRef Name, bool isTemporary) {
assert(!Name.empty() && "Normal symbols cannot be unnamed!");
- MCSymbol *&Entry = Symbols[Name];
- if (Entry) return Entry;
+
+ // Do the lookup and get the entire StringMapEntry. We want access to the
+ // key if we are creating the entry.
+ StringMapEntry<MCSymbol*> &Entry = Symbols.GetOrCreateValue(Name);
+ if (Entry.getValue()) return Entry.getValue();
- return Entry = new (*this) MCSymbol(Name, false);
+ // Ok, the entry doesn't already exist. Have the MCSymbol object itself refer
+ // to the copy of the string that is embedded in the StringMapEntry.
+ MCSymbol *Result = new (*this) MCSymbol(Entry.getKey(), isTemporary);
+ Entry.setValue(Result);
+ return Result;
}
-MCSymbol *MCContext::GetOrCreateSymbol(const Twine &Name) {
+MCSymbol *MCContext::GetOrCreateSymbol(const Twine &Name, bool isTemporary) {
SmallString<128> NameSV;
Name.toVector(NameSV);
- return GetOrCreateSymbol(NameSV.str());
+ return GetOrCreateSymbol(NameSV.str(), isTemporary);
}
MCSymbol *MCContext::CreateTempSymbol() {
@@ -50,10 +57,7 @@ MCSymbol *MCContext::GetOrCreateTemporarySymbol(StringRef Name) {
return GetOrCreateTemporarySymbol(Twine(MAI.getPrivateGlobalPrefix()) +
"tmp" + Twine(NextUniqueID++));
- // Otherwise create as usual.
- MCSymbol *&Entry = Symbols[Name];
- if (Entry) return Entry;
- return Entry = new (*this) MCSymbol(Name, true);
+ return GetOrCreateSymbol(Name, true);
}
MCSymbol *MCContext::GetOrCreateTemporarySymbol(const Twine &Name) {