[CodeGen] Fix performance regression introduced in b05101b
The isNormalValueType = false flag was not set for this pseudo value
type, which caused significant size increases for some classes: the
size of the TargetLoweringBase class to 1.5 MB, because the size of
that class is quadratic in MVT::VALUETYPE_SIZE, and this commit
increased that from 256 to 504.
Reported by: abadams
Fixes: b05101b ("[TableGen, CodeGen, CHERI] Add support for the cPTR wildcard value type.")
Reviewed By: nikic
Pull Request: https://github.com/llvm/llvm-project/pull/161313
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