[llvm] [WebAssembly] Add support for avgr_u in loops (PR #153252)

[Jasmine Tang via llvm-commits]

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@@ -246,6 +246,10 @@ WebAssemblyTargetLowering::WebAssemblyTargetLowering(
                    MVT::v2f64})
       setOperationAction(ISD::SPLAT_VECTOR, T, Legal);
 
+    // Set avgceilu as legal for i8x16 and i16x8
+    // and isel will convert to AVGR_U w/ tablegen
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badumbatish wrote:

sounds good

https://github.com/llvm/llvm-project/pull/153252