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| author | David Greene <greened@obbligato.org> | 2011-07-29 19:07:24 +0000 |
|---|---|---|
| committer | David Greene <greened@obbligato.org> | 2011-07-29 19:07:24 +0000 |
| commit | 65bf3ca9aa474db6c5c2a0d3ea0f4a22af514184 (patch) | |
| tree | f242cef704491c6dff76528d3d171d628d096b8e /utils/TableGen | |
| parent | 08f71e3e7437359f94fed3207bc64d8cc54ef3f3 (diff) | |
| download | external_llvm-65bf3ca9aa474db6c5c2a0d3ea0f4a22af514184.zip external_llvm-65bf3ca9aa474db6c5c2a0d3ea0f4a22af514184.tar.gz external_llvm-65bf3ca9aa474db6c5c2a0d3ea0f4a22af514184.tar.bz2 | |
[AVX] Make FieldInit Unique
Make sure FieldInits are unique and created only once.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136500 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'utils/TableGen')
| -rw-r--r-- | utils/TableGen/Record.cpp | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/utils/TableGen/Record.cpp b/utils/TableGen/Record.cpp index 89de3ed..d4e6083 100644 --- a/utils/TableGen/Record.cpp +++ b/utils/TableGen/Record.cpp @@ -1475,7 +1475,15 @@ std::string DefInit::getAsString() const { } const FieldInit *FieldInit::get(const Init *R, const std::string &FN) { - return new FieldInit(R, FN); + typedef std::pair<const Init *, TableGenStringKey> Key; + typedef DenseMap<Key, FieldInit *> Pool; + static Pool ThePool; + + Key TheKey(std::make_pair(R, FN)); + + FieldInit *&I = ThePool[TheKey]; + if (!I) I = new FieldInit(R, FN); + return I; } const Init *FieldInit::resolveBitReference(Record &R, const RecordVal *RV, |