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| author | Jonas Paulsson <paulsson@linux.vnet.ibm.com> | 2016-11-04 08:31:14 +0000 |
|---|---|---|
| committer | Jonas Paulsson <paulsson@linux.vnet.ibm.com> | 2016-11-04 08:31:14 +0000 |
| commit | baeb40201476656d2478ae1af284cb8b17d1296c (patch) | |
| tree | a4574a76b48c6e6e63f0f32889e82ad2681889eb /llvm/lib/CodeGen/MachineScheduler.cpp | |
| parent | 8a5170e02a415ed85cf60daf8434308526d14f61 (diff) | |
| download | llvm-baeb40201476656d2478ae1af284cb8b17d1296c.zip llvm-baeb40201476656d2478ae1af284cb8b17d1296c.tar.gz llvm-baeb40201476656d2478ae1af284cb8b17d1296c.tar.bz2 | |
Comment rewording in MachineScheduler.cpp.
Author: A Trick
llvm-svn: 285991
Diffstat (limited to 'llvm/lib/CodeGen/MachineScheduler.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/MachineScheduler.cpp | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/llvm/lib/CodeGen/MachineScheduler.cpp b/llvm/lib/CodeGen/MachineScheduler.cpp index a43277c..7946ca7 100644 --- a/llvm/lib/CodeGen/MachineScheduler.cpp +++ b/llvm/lib/CodeGen/MachineScheduler.cpp @@ -2844,9 +2844,8 @@ void GenericScheduler::tryCandidate(SchedCandidate &Cand, bool SameBoundary = Zone != nullptr; if (SameBoundary) { // For loops that are acyclic path limited, aggressively schedule for - // latency. This can result in very long dependence chains scheduled in - // sequence, so once every cycle (when CurrMOps == 0), switch to normal - // heuristics. + // latency. Within an single cycle, whenever CurrMOps > 0, allow normal + // heuristics to take precedence. if (Rem.IsAcyclicLatencyLimited && !Zone->getCurrMOps() && tryLatency(TryCand, Cand, *Zone)) return; |