[PATCH] D59260: [DAGCombiner] If a TokenFactor would be merged into its user, consider the user later.
Clement Courbet via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Wed Mar 13 08:41:15 PDT 2019
courbet accepted this revision.
courbet added a comment.
This revision is now accepted and ready to land.
> X86/constant-combiners.ll -- Optimizes out overlap between stores.
I don't see that one.
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Comment at: llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp:1710
+ // If this is used only a single token factor, we should make sure we have a
+ // chance to merge them together. This prevents TF chains from inhibiting
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"If the sole user of this node is a token factor, we should ..."
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https://reviews.llvm.org/D59260/new/
https://reviews.llvm.org/D59260
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