[PATCH] D16744: SelectionDAG: Lower some range metadata to AssertZext
Matt Arsenault via llvm-commits
llvm-commits at lists.llvm.org
Fri Jan 29 17:59:18 PST 2016
arsenm created this revision.
arsenm added a subscriber: llvm-commits.
Herald added a reviewer: tstellarAMD.
If a range has a lower bound of 0, add an AssertZext from the
nearest floor power of two.
This allows operations with some workitem intrinsics with known
maximum ranges to use fast 24-bit multiplies.
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