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[TableGen] Use MachineValueTypeSet in place of SmallSet. 

MachineValueTypeSet is effectively a std::bitset<256>. This allows
us quickly insert into the set and check if a type is in the set.
This commit is contained in:
Craig Topper 2021-04-18 13:35:11 -07:00
parent 6e8e165085
commit f08b171b18
1 changed files with 1 additions and 1 deletions
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2
llvm/utils/TableGen/CodeGenDAGPatterns.cpp
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@ -581,7 +581,7 @@ bool TypeInfer::EnforceVectorEltTypeIs(TypeSetByHwMode &Vec,
Changed |= berase_if(E, isVector); // Vector = !scalar Changed |= berase_if(E, isVector); // Vector = !scalar
assert(!V.empty() && !E.empty()); assert(!V.empty() && !E.empty());
SmallSet<MVT,4> VT, ST; MachineValueTypeSet VT, ST;
// Collect element types from the "vector" set. // Collect element types from the "vector" set.
for (MVT T : V) for (MVT T : V)
VT.insert(T.getVectorElementType()); VT.insert(T.getVectorElementType());