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| author | Nick Lewycky <nicholas@mxc.ca> | 2009-01-31 21:30:05 +0000 |
|---|---|---|
| committer | Nick Lewycky <nicholas@mxc.ca> | 2009-01-31 21:30:05 +0000 |
| commit | 4333f49afebb9b11291ac09538eabf12c7cbe81c (patch) | |
| tree | 80c4d7769cd7d37377a5907de8a75810acdef7a0 /utils/TableGen/CodeGenDAGPatterns.cpp | |
| parent | 35ba3d463834f83e2bf8e8ad631ffc4d73a0203c (diff) | |
Reinstate this optimization to fold icmp of xor when possible. Don't try to
turn icmp eq a+x, b+x into icmp eq a, b if a+x or b+x has other uses. This
may have been increasing register pressure leading to the bzip2 slowdown.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@63487 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'utils/TableGen/CodeGenDAGPatterns.cpp')
0 files changed, 0 insertions, 0 deletions