[PATCH] Fix ARM peephole optimizeCompare to avoid optimizing unsigned cmp to 0.
jvoung at chromium.org
Thu Jan 29 15:17:24 PST 2015
Hi jfb, manmanren,
Previously it only avoided optimizing signed comparisons to 0.
Sometimes the DAGCombiner will optimize the unsigned comparisons
to 0 before it gets to the peephole pass, but sometimes it doesn't.
Fix for PR22373.
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