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Bump SmallString size a bit to avoid malloc trashing.

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llvm-svn: 100010
This commit is contained in:
Benjamin Kramer 2010-03-31 16:04:26 +00:00
parent ba2f97fcb0
commit e006100c19
1 changed files with 3 additions and 7 deletions
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10
lib/VMCore/ValueSymbolTable.cpp
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@ -55,9 +55,7 @@ void ValueSymbolTable::reinsertValue(Value* V) {
raw_svector_ostream(UniqueName) << ++LastUnique; raw_svector_ostream(UniqueName) << ++LastUnique;
// Try insert the vmap entry with this suffix. // Try insert the vmap entry with this suffix.
ValueName &NewName = ValueName &NewName = vmap.GetOrCreateValue(UniqueName);
vmap.GetOrCreateValue(StringRef(UniqueName.data(),
UniqueName.size()));
if (NewName.getValue() == 0) { if (NewName.getValue() == 0) {
// Newly inserted name. Success! // Newly inserted name. Success!
NewName.setValue(V); NewName.setValue(V);
@ -88,7 +86,7 @@ ValueName *ValueSymbolTable::createValueName(StringRef Name, Value *V) {
} }
// Otherwise, there is a naming conflict. Rename this value. // Otherwise, there is a naming conflict. Rename this value.
SmallString<128> UniqueName(Name.begin(), Name.end()); SmallString<256> UniqueName(Name.begin(), Name.end());
while (1) { while (1) {
// Trim any suffix off and append the next number. // Trim any suffix off and append the next number.
@ -96,9 +94,7 @@ ValueName *ValueSymbolTable::createValueName(StringRef Name, Value *V) {
raw_svector_ostream(UniqueName) << ++LastUnique; raw_svector_ostream(UniqueName) << ++LastUnique;
// Try insert the vmap entry with this suffix. // Try insert the vmap entry with this suffix.
ValueName &NewName = ValueName &NewName = vmap.GetOrCreateValue(UniqueName);
vmap.GetOrCreateValue(StringRef(UniqueName.data(),
UniqueName.size()));
if (NewName.getValue() == 0) { if (NewName.getValue() == 0) {
// Newly inserted name. Success! // Newly inserted name. Success!
NewName.setValue(V); NewName.setValue(V);