[llvm] [AMDGPU] Legalize 64bit elements for BUILD_VECTOR on gfx942 (PR #145052)

[Chris Jackson via llvm-commits]

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@@ -478,6 +479,8 @@ void AMDGPUDAGToDAGISel::SelectBuildVector(SDNode *N, unsigned RegClassID) {
 
   assert(NumVectorElts <= 32 && "Vectors with more than 32 elements not "
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chrisjbris wrote:

```suggestion
  assert(NumVectorElts <= 32 && "Vectors with more than 32 elements are not "
```

https://github.com/llvm/llvm-project/pull/145052