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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 | 206a357684ec4f9159905eb7293bfb2221af0e14 (patch) | |
| tree | 264d15f502fef4bc74c4edd8bfae40e74726522c /lib/CodeGen/MachineModuleInfoImpls.cpp | |
| parent | 8d70854dd8b3f2d7639abd569dbd5a205f602032 (diff) | |
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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@81996 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/MachineModuleInfoImpls.cpp')
0 files changed, 0 insertions, 0 deletions