[DAG] Avoid redundant chain transversal in store merge cycle check. NFCI.
authorNirav Dave <niravd@google.com>
Tue, 14 Aug 2018 16:20:43 +0000 (16:20 +0000)
committerNirav Dave <niravd@google.com>
Tue, 14 Aug 2018 16:20:43 +0000 (16:20 +0000)
commitfbfe2ad9e059b74f4796d63cbbf1917547f363e2
tree1149533ef1d3d31c174481bdac1d54513fdbc538
parent8e35f1e7cbd771145bc2658ca97018d56870c196
[DAG] Avoid redundant chain transversal in store merge cycle check. NFCI.

Patch by Henric Karlsson.

llvm-svn: 339688
llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp