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| author | Richard Sandiford <rsandifo@linux.vnet.ibm.com> | 2013-12-13 15:50:30 +0000 |
|---|---|---|
| committer | Richard Sandiford <rsandifo@linux.vnet.ibm.com> | 2013-12-13 15:50:30 +0000 |
| commit | 0847c450b63da0a6ccbd451e9d872b74d59cf790 (patch) | |
| tree | 2d43f096ebeca113c071f5864e06ce31d45519c7 /llvm/lib/CodeGen/CodeGen.cpp | |
| parent | c3dc44781ba24890e91839bcfaef5b08ff3d21e0 (diff) | |
| download | llvm-0847c450b63da0a6ccbd451e9d872b74d59cf790.zip llvm-0847c450b63da0a6ccbd451e9d872b74d59cf790.tar.gz llvm-0847c450b63da0a6ccbd451e9d872b74d59cf790.tar.bz2 | |
[SystemZ] Optimize X [!=]= Y in cases where X - Y or Y - X is also computed
In those cases it's better to compare the result of the subtraction
against zero.
llvm-svn: 197239
Diffstat (limited to 'llvm/lib/CodeGen/CodeGen.cpp')
0 files changed, 0 insertions, 0 deletions