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[AVX] Make IntInit Unique

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Use a DenseMap to make sure only one IntInit of any value exists.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136490 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
David Greene
2011-07-29 19:07:12 +00:00
parent 726bbde3c4
commit 2855b0f073
1 changed files with 6 additions and 1 deletions
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7
utils/TableGen/Record.cpp
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@@ -539,7 +539,12 @@ const Init *BitsInit::resolveReferences(Record &R, const RecordVal *RV) const {
} }
const IntInit *IntInit::get(int64_t V) { const IntInit *IntInit::get(int64_t V) {
return new IntInit(V); typedef DenseMap<int64_t, IntInit *> Pool;
static Pool ThePool;
IntInit *&I = ThePool[V];
if (!I) I = new IntInit(V);
return I;
} }
std::string IntInit::getAsString() const { std::string IntInit::getAsString() const {