| Issue |
120169
|
| Summary |
[TargetTransformUtils][VectorUtils] Update `isTriviallyVectorizable` to accept target intrinsics
|
| Labels |
new issue
|
| Assignees |
|
| Reporter |
inbelic
|
As part of [previous work](https://github.com/llvm/llvm-project/issues/117030), we want to consolidate the usage of the `is[Trivially|VectorIntrinsic]...` functions in `VectorUtils.h`. The remaining work is to let `isTriviallyVectorizable` allow target-specific intrinsics denote if they are trivially vectorizable.
The difficulty in this issue is to justify when we should pass a `nullptr` into the updated function calls, as there are a number of functions (`getVectorIntrinsicIDForCall`, `isNotCrossLaneOpartion`, etc.) that use the function.
AC:
- [ ] Implement `isTargetIntrinsicTriviallyVectorizable` in `TargetTransformInfo.[h|cpp]` and `BasicTTIImpl.h`
- [ ] Update `isTriviallyVectorizable` to accept a `TargetTransformInfo` parameter and invoke `isTargetIntrinsicTriviallyVectorizable`
- [ ] Update all use-cases of `isTriviallyVectorizable` to provide a TTI or a motivated reason to provide `nullptr`
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