[TableGen] Some optimizations to TableGen.

Description

[TableGen] Some optimizations to TableGen.

This changes some STL data types to corresponding LLVM
data types that have better performance characteristics.

Differential Revision: https://reviews.llvm.org/D37957

Details

Committed
zturnerSep 20 2017, 11:01 AM
Differential Revision
D37957: [TableGen] Some simple optimizations to TableGen execution time
Parents
rL313782: [TableGen] Add a DenseMapInfo for MachineValueType.
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