Vikash Gupta 283806695a
[GlobalIsel] Add combine for select with constants (#121088)
The SelectionDAG Isel supports the both version of combines mentioned
below :
```
select Cond, Pow2, 0 --> (zext Cond)  << log2(Pow2) 
select Cond, 0, Pow2 --> (zext !Cond) << log2(Pow2)
```
The GlobalIsel for now only supports the first one defined in it's
generic combinerHelper.cpp. This patch adds the missing second one.
2025-01-01 11:14:53 +05:30
..

++ SVE CodeGen Warnings ++

When the WARN check lines fail in the SVE codegen tests it most likely means you
have introduced a warning due to:
1. Adding an invalid call to VectorType::getNumElements() or EVT::getVectorNumElements()
   when the type is a scalable vector.
2. Relying upon an implicit cast conversion from TypeSize to uint64_t.

For generic code, please modify your code to work with ElementCount and TypeSize directly.
For target-specific code that only deals with fixed-width vectors, use the fixed-size interfaces.
Please refer to the code where those functions live for more details.