diff options
Diffstat (limited to 'llvm/lib/CodeGen/MachineOutliner.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/MachineOutliner.cpp | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/llvm/lib/CodeGen/MachineOutliner.cpp b/llvm/lib/CodeGen/MachineOutliner.cpp index 8d72208..d116c54 100644 --- a/llvm/lib/CodeGen/MachineOutliner.cpp +++ b/llvm/lib/CodeGen/MachineOutliner.cpp @@ -116,6 +116,11 @@ static cl::opt<unsigned> OutlinerReruns( cl::desc( "Number of times to rerun the outliner after the initial outline")); +static cl::opt<unsigned> OutlinerBenefitThreshold( + "outliner-benefit-threshold", cl::init(1), cl::Hidden, + cl::desc( + "The minimum size in bytes before an outlining candidate is accepted")); + namespace { /// Maps \p MachineInstrs to unsigned integers and stores the mappings. @@ -664,7 +669,7 @@ void MachineOutliner::findCandidates( continue; // Is it better to outline this candidate than not? - if (OF->getBenefit() < 1) { + if (OF->getBenefit() < OutlinerBenefitThreshold) { emitNotOutliningCheaperRemark(StringLen, CandidatesForRepeatedSeq, *OF); continue; } @@ -840,7 +845,7 @@ bool MachineOutliner::outline(Module &M, }); // If we made it unbeneficial to outline this function, skip it. - if (OF.getBenefit() < 1) + if (OF.getBenefit() < OutlinerBenefitThreshold) continue; // It's beneficial. Create the function and outline its sequence's |