[llvm-commits] [llvm] r136499 - /llvm/trunk/utils/TableGen/Record.cpp
David Greene
greened at obbligato.org
Fri Jul 29 12:07:24 PDT 2011
Author: greened
Date: Fri Jul 29 14:07:23 2011
New Revision: 136499
URL: http://llvm.org/viewvc/llvm-project?rev=136499&view=rev
Log:
[AVX] Make VarListElementInit Unique
Make sure VarListElementInits are unique and created only once.
Modified:
llvm/trunk/utils/TableGen/Record.cpp
Modified: llvm/trunk/utils/TableGen/Record.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/utils/TableGen/Record.cpp?rev=136499&r1=136498&r2=136499&view=diff
==============================================================================
--- llvm/trunk/utils/TableGen/Record.cpp (original)
+++ llvm/trunk/utils/TableGen/Record.cpp Fri Jul 29 14:07:23 2011
@@ -1414,7 +1414,16 @@
const VarListElementInit *VarListElementInit::get(const TypedInit *T,
unsigned E) {
- return new VarListElementInit(T, E);
+ typedef std::pair<const TypedInit *, unsigned> Key;
+ typedef DenseMap<Key, VarListElementInit *> Pool;
+
+ static Pool ThePool;
+
+ Key TheKey(std::make_pair(T, E));
+
+ VarListElementInit *&I = ThePool[TheKey];
+ if (!I) I = new VarListElementInit(T, E);
+ return I;
}
std::string VarListElementInit::getAsString() const {
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