diff options
Diffstat (limited to 'llvm/lib/Transforms/Scalar/LoopUnrollPass.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Scalar/LoopUnrollPass.cpp | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/llvm/lib/Transforms/Scalar/LoopUnrollPass.cpp b/llvm/lib/Transforms/Scalar/LoopUnrollPass.cpp index 9fa021e7e40..bbd1d3baa92 100644 --- a/llvm/lib/Transforms/Scalar/LoopUnrollPass.cpp +++ b/llvm/lib/Transforms/Scalar/LoopUnrollPass.cpp @@ -165,7 +165,7 @@ static const unsigned NoThreshold = std::numeric_limits<unsigned>::max(); /// Gather the various unrolling parameters based on the defaults, compiler /// flags, TTI overrides and user specified parameters. -TargetTransformInfo::UnrollingPreferences llvm::gatherUnrollingPreferences( +static TargetTransformInfo::UnrollingPreferences gatherUnrollingPreferences( Loop *L, ScalarEvolution &SE, const TargetTransformInfo &TTI, int OptLevel, Optional<unsigned> UserThreshold, Optional<unsigned> UserCount, Optional<bool> UserAllowPartial, Optional<bool> UserRuntime, @@ -192,8 +192,6 @@ TargetTransformInfo::UnrollingPreferences llvm::gatherUnrollingPreferences( UP.Force = false; UP.UpperBound = false; UP.AllowPeeling = true; - UP.UnrollAndJam = false; - UP.UnrollAndJamInnerLoopThreshold = 60; // Override with any target specific settings TTI.getUnrollingPreferences(L, SE, UP); @@ -612,10 +610,11 @@ static Optional<EstimatedUnrollCost> analyzeLoopUnrollCost( } /// ApproximateLoopSize - Approximate the size of the loop. -unsigned llvm::ApproximateLoopSize( - const Loop *L, unsigned &NumCalls, bool &NotDuplicatable, bool &Convergent, - const TargetTransformInfo &TTI, - const SmallPtrSetImpl<const Value *> &EphValues, unsigned BEInsns) { +static unsigned +ApproximateLoopSize(const Loop *L, unsigned &NumCalls, bool &NotDuplicatable, + bool &Convergent, const TargetTransformInfo &TTI, + const SmallPtrSetImpl<const Value *> &EphValues, + unsigned BEInsns) { CodeMetrics Metrics; for (BasicBlock *BB : L->blocks()) Metrics.analyzeBasicBlock(BB, TTI, EphValues); @@ -708,7 +707,7 @@ static uint64_t getUnrolledLoopSize( // Returns true if unroll count was set explicitly. // Calculates unroll count and writes it to UP.Count. -bool llvm::computeUnrollCount( +static bool computeUnrollCount( Loop *L, const TargetTransformInfo &TTI, DominatorTree &DT, LoopInfo *LI, ScalarEvolution &SE, const SmallPtrSetImpl<const Value *> &EphValues, OptimizationRemarkEmitter *ORE, unsigned &TripCount, unsigned MaxTripCount, @@ -749,8 +748,8 @@ bool llvm::computeUnrollCount( if (ExplicitUnroll && TripCount != 0) { // If the loop has an unrolling pragma, we want to be more aggressive with - // unrolling limits. Set thresholds to at least the PragmaUnrollThreshold - // value which is larger than the default limits. + // unrolling limits. Set thresholds to at least the PragmaThreshold value + // which is larger than the default limits. UP.Threshold = std::max<unsigned>(UP.Threshold, PragmaUnrollThreshold); UP.PartialThreshold = std::max<unsigned>(UP.PartialThreshold, PragmaUnrollThreshold); |
