[PATCH] D36938: [X86] When selecting sse_load_f32/f64 pattern, make sure there's only one use of every node all the way back to the root of the match

[Zvi Rackover via Phabricator via llvm-commits]

zvi added inline comments.


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Comment at: lib/Target/X86/X86ISelDAGToDAG.cpp:1541
 
+// Make sure this node has one path back to Root. Otherwise its not legal
+// to fold the load.
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The comment says it is not legal. Do you have an example for an *illegal* fold or should the wording be changed?


https://reviews.llvm.org/D36938