[llvm] [SPIRV] Add legalization for long vectors (PR #169665)

[Steven Perron via llvm-commits]

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@@ -148,14 +160,65 @@ SPIRVLegalizerInfo::SPIRVLegalizerInfo(const SPIRVSubtarget &ST) {
         return IsExtendedInts && Ty.isValid();
       };
 
-  for (auto Opc : getTypeFoldingSupportedOpcodes())
-    getActionDefinitionsBuilder(Opc).custom();
+  uint32_t MaxVectorSize = ST.isShader() ? 4 : 16;
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s-perron wrote:

done.

https://github.com/llvm/llvm-project/pull/169665