diff options
Diffstat (limited to 'llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp b/llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp index e9c24d61394..773ffb9df0a 100644 --- a/llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp +++ b/llvm/lib/Transforms/Scalar/LoopStrengthReduce.cpp @@ -155,6 +155,11 @@ static cl::opt<bool> FilterSameScaledReg( cl::desc("Narrow LSR search space by filtering non-optimal formulae" " with the same ScaledReg and Scale")); +static cl::opt<unsigned> ComplexityLimit( + "lsr-complexity-limit", cl::Hidden, + cl::init(std::numeric_limits<uint16_t>::max()), + cl::desc("LSR search space complexity limit")); + #ifndef NDEBUG // Stress test IV chain generation. static cl::opt<bool> StressIVChain( @@ -4311,9 +4316,6 @@ void LSRInstance::FilterOutUndesirableDedicatedRegisters() { }); } -// This is a rough guess that seems to work fairly well. -static const size_t ComplexityLimit = std::numeric_limits<uint16_t>::max(); - /// Estimate the worst-case number of solutions the solver might have to /// consider. It almost never considers this many solutions because it prune the /// search space, but the pruning isn't always sufficient. |
