| Issue |
174584
|
| Summary |
[DAG] Add MVT:changeVectorElementCount and EVT::changeVectorElementCount
|
| Labels |
good first issue,
llvm:SelectionDAG
|
| Assignees |
|
| Reporter |
RKSimon
|
Similar to EVT::changeVectorElementType - but this will allow us to adjust the `ElementCount` on the fly.
We should assert that the original type was a vector already, but we will need to support Simple<->Extended transitions similar to EVT::changeVectorElementType.
There are a number of EVT::getVectorVT() calls in DAGCombine that would benefit from converting to changeVectorElementType for clarity, but don't attempt to do too many in an initial patch
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