[clang] [llvm] [SPIRV] Add support for the `SPV_EXT_long_vector` extension (PR #210279)

[Alex Voicu via cfe-commits]

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@@ -971,6 +971,11 @@ Register createVirtualRegister(
       MIRBuilder);
 }
 
+bool isVectorType(SPIRVTypeInst SPVTy) {
+  return SPVTy->getOpcode() == SPIRV::OpTypeVector ||
+      SPVTy->getOpcode() == SPIRV::OpTypeVectorIdEXT;
+}
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AlexVlx wrote:

Probably tidier, unless there are objections to growing that interface.

https://github.com/llvm/llvm-project/pull/210279