[PATCH] D109065: [X86] combineX86ShufflesRecursively(): call SimplifyMultipleUseDemandedVectorElts() on after finishing recursing

[Roman Lebedev via Phabricator via llvm-commits]

lebedev.ri added inline comments.


================
Comment at: llvm/lib/Target/X86/X86ISelLowering.cpp:37911
+
+    unsigned NumOpElts = Op.getValueType().getVectorNumElements();
+
----------------
RKSimon wrote:
> Op might be a different width to the Root - see the "Widen any subvector shuffle inputs we've collected." code below.
I keep hitting the same pitfail.


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  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D109065/new/

https://reviews.llvm.org/D109065