ScheduleOpt: Allow to configure for which dependences to optimize
We can either optimize for RAW dependences or for all dependences.
For the moment, I do not see a big difference here.
llvm-svn: 150484
diff --git a/polly/lib/ScheduleOptimizer.cpp b/polly/lib/ScheduleOptimizer.cpp
index 0a1c82a..c9e7e74 100644
--- a/polly/lib/ScheduleOptimizer.cpp
+++ b/polly/lib/ScheduleOptimizer.cpp
@@ -48,6 +48,11 @@
cl::location(polly::DisablePollyTiling), cl::init(false));
static cl::opt<std::string>
+OptimizeDeps("polly-opt-optimize-only",
+ cl::desc("Only a certain kind of dependences (all/raw)"),
+ cl::Hidden, cl::init("all"));
+
+static cl::opt<std::string>
SimplifyDeps("polly-opt-simplify-deps",
cl::desc("Dependences should be simplified (yes/no)"),
cl::Hidden, cl::init("yes"));
@@ -420,8 +425,22 @@
// Build input data.
int ValidityKinds = Dependences::TYPE_RAW | Dependences::TYPE_WAR
| Dependences::TYPE_WAW;
- int ProximityKinds = Dependences::TYPE_RAW | Dependences::TYPE_WAR
- | Dependences::TYPE_WAW;
+ int ProximityKinds;
+
+ if (OptimizeDeps == "all")
+ ProximityKinds = Dependences::TYPE_RAW | Dependences::TYPE_WAR
+ | Dependences::TYPE_WAW;
+ else if (OptimizeDeps == "raw")
+ ProximityKinds = Dependences::TYPE_RAW | Dependences::TYPE_WAR
+ | Dependences::TYPE_WAW;
+ else {
+ errs() << "Do not know how to optimize for '" << OptimizeDeps << "'"
+ << " Falling back to optimizing all dependences.\n";
+ ProximityKinds = Dependences::TYPE_RAW | Dependences::TYPE_WAR
+ | Dependences::TYPE_WAW;
+
+ }
+
isl_union_map *Validity = D->getDependences(ValidityKinds);
isl_union_map *Proximity = D->getDependences(ProximityKinds);