diff options
Diffstat (limited to 'polly/lib/Analysis/ScopBuilder.cpp')
-rw-r--r-- | polly/lib/Analysis/ScopBuilder.cpp | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/polly/lib/Analysis/ScopBuilder.cpp b/polly/lib/Analysis/ScopBuilder.cpp index 44aec902c41..3c7f67be0ec 100644 --- a/polly/lib/Analysis/ScopBuilder.cpp +++ b/polly/lib/Analysis/ScopBuilder.cpp @@ -103,7 +103,7 @@ static cl::opt<bool> DisableMultiplicativeReductions( cl::desc("Disable multiplicative reductions"), cl::Hidden, cl::ZeroOrMore, cl::init(false), cl::cat(PollyCategory)); -enum class GranularityChoice { BasicBlocks, ScalarIndependence }; +enum class GranularityChoice { BasicBlocks, ScalarIndependence, Stores }; static cl::opt<GranularityChoice> StmtGranularity( "polly-stmt-granularity", @@ -112,7 +112,9 @@ static cl::opt<GranularityChoice> StmtGranularity( cl::values(clEnumValN(GranularityChoice::BasicBlocks, "bb", "One statement per basic block"), clEnumValN(GranularityChoice::ScalarIndependence, "scalar-indep", - "Scalar independence heuristic")), + "Scalar independence heuristic"), + clEnumValN(GranularityChoice::Stores, "store", + "Store-level granularity")), cl::init(GranularityChoice::BasicBlocks), cl::cat(PollyCategory)); void ScopBuilder::buildPHIAccesses(ScopStmt *PHIStmt, PHINode *PHI, @@ -686,7 +688,7 @@ bool ScopBuilder::shouldModelInst(Instruction *Inst, Loop *L) { !canSynthesize(Inst, *scop, &SE, L); } -void ScopBuilder::buildSequentialBlockStmts(BasicBlock *BB) { +void ScopBuilder::buildSequentialBlockStmts(BasicBlock *BB, bool SplitOnStore) { Loop *SurroundingLoop = LI.getLoopFor(BB); int Count = 0; @@ -694,7 +696,8 @@ void ScopBuilder::buildSequentialBlockStmts(BasicBlock *BB) { for (Instruction &Inst : *BB) { if (shouldModelInst(&Inst, SurroundingLoop)) Instructions.push_back(&Inst); - if (Inst.getMetadata("polly_split_after")) { + if (Inst.getMetadata("polly_split_after") || + (SplitOnStore && isa<StoreInst>(Inst))) { scop->addScopStmt(BB, SurroundingLoop, Instructions, Count); Count++; Instructions.clear(); @@ -900,6 +903,9 @@ void ScopBuilder::buildStmts(Region &SR) { case GranularityChoice::ScalarIndependence: buildEqivClassBlockStmts(BB); break; + case GranularityChoice::Stores: + buildSequentialBlockStmts(BB, true); + break; } } } |