[PATCH] D56281: [DAGCombiner] reduce buildvec of zexted extracted element to shuffle

[Sanjay Patel via Phabricator via llvm-commits]

spatel marked 2 inline comments as done.
spatel added inline comments.


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Comment at: test/CodeGen/X86/buildvec-extract.ll:412
+; SSE2-NEXT:    pshuflw {{.*#+}} xmm0 = xmm0[3,2,0,1,4,5,6,7]
+; SSE2-NEXT:    retq
+;
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RKSimon wrote:
> Please can you raise a bug on this - we should do better for this shuffle.
https://bugs.llvm.org/show_bug.cgi?id=40318


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https://reviews.llvm.org/D56281