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a84b573c98
Now that we have MVT::FIRST_VALUETYPE (r225362), we can provide a method checking that the MVT is valid, that is, it's in [FIRST_VALUETYPE, LAST_VALUETYPE[. This commit also uses it in a few asserts, that would previously accept invalid MVTs, such as the default constructed -1. In that case, the code following those asserts would do an out-of-bounds array access. Using MVT::isValid, those assertions fail as expected when passed invalid MVTs. It feels clunky to have such a validity checking function, but it's at least better than the alternative of broken manual checks. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@225411 91177308-0d34-0410-b5e6-96231b3b80d8
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