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Commit efed6568 authored by Nirav Dave's avatar Nirav Dave
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[SelectionDAG] More Aggressibly prune nodes in AddChains. NFCI. 

Travel all chains paths to first non-tokenfactor node can be
exponential work. Add simple redundency check to avoid this.
Fixes PR36264.

llvm-svn: 324491
parent d7e17c23
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