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| author | Nate Begeman <natebegeman@mac.com> | 2009-09-16 03:20:46 +0000 |
|---|---|---|
| committer | Nate Begeman <natebegeman@mac.com> | 2009-09-16 03:20:46 +0000 |
| commit | 1ae49ee7ca794dca821f8df116219d715ad729db (patch) | |
| tree | 9e11985e4dcaaf7b7efdabc3644b725e579cc6ce /llvm/lib/CodeGen/MachineModuleInfoImpls.cpp | |
| parent | 771a1f1720f1d2e0f2d74bc0580a3697e767df9a (diff) | |
| download | llvm-1ae49ee7ca794dca821f8df116219d715ad729db.zip llvm-1ae49ee7ca794dca821f8df116219d715ad729db.tar.gz llvm-1ae49ee7ca794dca821f8df116219d715ad729db.tar.bz2 | |
Do not try and sink a load whose chain result has more than one use, when
trying to create RMW opportunities in the x86 backend. This can cause a
cycle to appear in the graph, since the other uses may eventually feed into
the TokenFactor we are sinking the load below.
llvm-svn: 81996
Diffstat (limited to 'llvm/lib/CodeGen/MachineModuleInfoImpls.cpp')
0 files changed, 0 insertions, 0 deletions