ScheduleOpt: Add option to bound constant term coefficients
llvm-svn: 150950
diff --git a/polly/lib/ScheduleOptimizer.cpp b/polly/lib/ScheduleOptimizer.cpp
index 7f0f731..43d0d21 100644
--- a/polly/lib/ScheduleOptimizer.cpp
+++ b/polly/lib/ScheduleOptimizer.cpp
@@ -57,6 +57,11 @@
cl::desc("Dependences should be simplified (yes/no)"),
cl::Hidden, cl::init("yes"));
+static cl::opt<int>
+MaxConstantTerm("polly-opt-max-constant-term",
+ cl::desc("The maximal constant term allowed (-1 is unlimited)"),
+ cl::Hidden, cl::init(20));
+
static cl::opt<std::string>
FusionStrategy("polly-opt-fusion",
cl::desc("The fusion strategy to choose (min/max)"),
@@ -499,6 +504,7 @@
isl_options_set_schedule_fuse(S.getIslCtx(), IslFusionStrategy);
isl_options_set_schedule_maximize_band_depth(S.getIslCtx(), IslMaximizeBands);
+ isl_options_set_schedule_max_constant_term(S.getIslCtx(), MaxConstantTerm);
isl_options_set_on_error(S.getIslCtx(), ISL_ON_ERROR_CONTINUE);
isl_schedule *Schedule;