[llvm] [msan] Handle llvm.x86.vcvtps2ph.128/256 explicitly (PR #130705)

[Thurston Dang via llvm-commits]

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@@ -4868,6 +4928,12 @@ struct MemorySanitizerVisitor : public InstVisitor<MemorySanitizerVisitor> {
       break;
     }
 
+    case Intrinsic::x86_vcvtps2ph_128:
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thurstond wrote:

They're not handled yet. The following would need to be added:
1) unit tests
2) generalize the handler function in this patch to handle the return type potentially having fewer vector elements than the input type

https://github.com/llvm/llvm-project/pull/130705