[Mlir-commits] [mlir] [MLIR][Vector]Add constraints to vector.shape_cast(constant) -> constant (PR #147691)

[James Newling]

newling wrote:

> > %0 = llvm.mlir.constant(dense<0.000000e+00> : vector<12xf8E4M3FN>) : vector<12xi8>
> 
> The following question is unrelated but I've seen this popping up multiple times lately: why `llvm.mlir.constant` allows the attribute and the return type to mismatch?

I think this is actually central to the PR! 

https://github.com/llvm/llvm-project/pull/147691