diff options
Diffstat (limited to 'llvm/lib/Transforms/Scalar/LICM.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Scalar/LICM.cpp | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/llvm/lib/Transforms/Scalar/LICM.cpp b/llvm/lib/Transforms/Scalar/LICM.cpp index bab1f2a..9655173 100644 --- a/llvm/lib/Transforms/Scalar/LICM.cpp +++ b/llvm/lib/Transforms/Scalar/LICM.cpp @@ -116,6 +116,8 @@ STATISTIC(NumIntAssociationsHoisted, STATISTIC(NumBOAssociationsHoisted, "Number of invariant BinaryOp expressions " "reassociated and hoisted out of the loop"); +namespace llvm { + /// Memory promotion is enabled by default. static cl::opt<bool> DisablePromotion("disable-licm-promotion", cl::Hidden, cl::init(false), @@ -154,7 +156,7 @@ static cl::opt<unsigned> IntAssociationUpperLimit( // which may not be precise, since optimizeUses is capped. The result is // correct, but we may not get as "far up" as possible to get which access is // clobbering the one queried. -cl::opt<unsigned> llvm::SetLicmMssaOptCap( +cl::opt<unsigned> SetLicmMssaOptCap( "licm-mssa-optimization-cap", cl::init(100), cl::Hidden, cl::desc("Enable imprecision in LICM in pathological cases, in exchange " "for faster compile. Caps the MemorySSA clobbering calls.")); @@ -162,7 +164,7 @@ cl::opt<unsigned> llvm::SetLicmMssaOptCap( // Experimentally, memory promotion carries less importance than sinking and // hoisting. Limit when we do promotion when using MemorySSA, in order to save // compile time. -cl::opt<unsigned> llvm::SetLicmMssaNoAccForPromotionCap( +cl::opt<unsigned> SetLicmMssaNoAccForPromotionCap( "licm-mssa-max-acc-promotion", cl::init(250), cl::Hidden, cl::desc("[LICM & MemorySSA] When MSSA in LICM is disabled, this has no " "effect. When MSSA in LICM is enabled, then this is the maximum " @@ -171,6 +173,8 @@ cl::opt<unsigned> llvm::SetLicmMssaNoAccForPromotionCap( extern cl::opt<bool> ProfcheckDisableMetadataFixes; +} // end namespace llvm + static bool inSubLoop(BasicBlock *BB, Loop *CurLoop, LoopInfo *LI); static bool isNotUsedOrFoldableInLoop(const Instruction &I, const Loop *CurLoop, const LoopSafetyInfo *SafetyInfo, |