[llvm] [CodeGen][Float8] Add float8 MVT type (PR #89901)

[Simon Pilgrim via llvm-commits]

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@@ -49,7 +49,7 @@ namespace llvm {
       // This is the current maximum for LAST_VALUETYPE.
       // MVT::MAX_ALLOWED_VALUETYPE is used for asserts and to size bit vectors
       // This value must be a multiple of 32.
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RKSimon wrote:

Does this still hold? In which case (255 % 32) != 0

https://github.com/llvm/llvm-project/pull/89901