diff options
| author | David Greene <greened@obbligato.org> | 2011-07-29 19:07:21 +0000 |
|---|---|---|
| committer | David Greene <greened@obbligato.org> | 2011-07-29 19:07:21 +0000 |
| commit | cde30d04b7c21e80fda34fed4c47b87e0869bf45 (patch) | |
| tree | 9ce363bc84079e46281e6041a8bc5b41b4f2329b /llvm/utils/TableGen/Record.cpp | |
| parent | daba48800fa94e3c712fcf300c31bf4f5a27d550 (diff) | |
| download | bcm5719-llvm-cde30d04b7c21e80fda34fed4c47b87e0869bf45.tar.gz bcm5719-llvm-cde30d04b7c21e80fda34fed4c47b87e0869bf45.zip | |
[AVX] Make VarInit Unique
Make sure VarInits are unique and created only once.
llvm-svn: 136497
Diffstat (limited to 'llvm/utils/TableGen/Record.cpp')
| -rw-r--r-- | llvm/utils/TableGen/Record.cpp | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/llvm/utils/TableGen/Record.cpp b/llvm/utils/TableGen/Record.cpp index a6b5c4b884d..68f9f2a2471 100644 --- a/llvm/utils/TableGen/Record.cpp +++ b/llvm/utils/TableGen/Record.cpp @@ -1294,7 +1294,15 @@ TypedInit::convertInitListSlice(const std::vector<unsigned> &Elements) const { const VarInit *VarInit::get(const std::string &VN, RecTy *T) { - return new VarInit(VN, T); + typedef std::pair<RecTy *, TableGenStringKey> Key; + typedef DenseMap<Key, VarInit *> Pool; + static Pool ThePool; + + Key TheKey(std::make_pair(T, VN)); + + VarInit *&I = ThePool[TheKey]; + if (!I) I = new VarInit(VN, T); + return I; } const Init *VarInit::resolveBitReference(Record &R, const RecordVal *IRV, |
