[llvm] [GlobalISel] Avoid redundant copy for zero-offset GEPs (PR #203029)

[Nikita Popov via llvm-commits]

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@@ -1661,6 +1661,9 @@ bool IRTranslator::translateGetElementPtr(const User &U,
     WantSplatVector = VectorWidth > 1;
   }
 
+  if (cast<GEPOperator>(U).hasAllZeroIndices())
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nikic wrote:

I think that needs to be fixed in hasAllZeroIndices(), other uses expect it to not contain vector splats as well.

https://github.com/llvm/llvm-project/pull/203029