[PATCH] D149068: [llvm-mca][RISCV] Fix checking if data valid in createInstrument

[Michael Maitland via Phabricator via llvm-commits]

michaelmaitland added a comment.

> Though I'm a little surprised it doesn't print a warning or even error for invalid instruments. Is there any reason behind this?

Debug warning is printed on line 85 of `RISCVCustomBehaviour.cpp`. We print an actual error and exit from MCA here <https://github.com/llvm/llvm-project/blob/53791896de3fcc5606c190fa4e4552383ee1dcb8/llvm/tools/llvm-mca/CodeRegionGenerator.cpp#L190>


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https://reviews.llvm.org/D149068