//===----------------------------------------------------------------------===//
/// Scop class implement
Scop::Scop(TempScop &tempScop, LoopInfo &LI, ScalarEvolution &ScalarEvolution)
: SE(&ScalarEvolution), R(tempScop.getMaxRegion()),
MaxLoopDepth(tempScop.getMaxLoopDepth()) {
isl_ctx *ctx = isl_ctx_alloc();
ParamSetType &Params = tempScop.getParamSet();
Parameters.insert(Parameters.begin(), Params.begin(), Params.end());
isl_dim *dim = isl_dim_set_alloc(ctx, getNumParams(), 0);
// TODO: Insert relations between parameters.
// TODO: Insert constraints on parameters.
Context = isl_set_universe (dim);
SmallVector<Loop*, 8> NestLoops;
SmallVector<unsigned, 8> Scatter;
Scatter.assign(MaxLoopDepth + 1, 0);
// Build the iteration domain, access functions and scattering functions
// traversing the region tree.
buildScop(tempScop, getRegion(), NestLoops, Scatter, LI);
Stmts.push_back(new ScopStmt(*this, Scatter));
assert(NestLoops.empty() && "NestLoops not empty at top level!");
}
bool ScopInfo::runOnRegion(Region *R, RGPassManager &RGM) {
LoopInfo &LI = getAnalysis<LoopInfo>();
ScalarEvolution &SE = getAnalysis<ScalarEvolution>();
TempScop *tempScop = getAnalysis<TempScopInfo>().getTempScop(R);
// This region is no Scop.
if (!tempScop) {
scop = 0;
return false;
}
// Statistics.
++ScopFound;
if (tempScop->getMaxLoopDepth() > 0) ++RichScopFound;
scop = new Scop(*tempScop, LI, SE);
return false;
}
Scop::Scop(TempScop &tempScop, LoopInfo &LI, ScalarEvolution &ScalarEvolution,
isl_ctx *Context)
: SE(&ScalarEvolution), R(tempScop.getMaxRegion()),
MaxLoopDepth(tempScop.getMaxLoopDepth()) {
IslCtx = Context;
buildContext();
SmallVector<Loop *, 8> NestLoops;
SmallVector<unsigned, 8> Scatter;
Scatter.assign(MaxLoopDepth + 1, 0);
// Build the iteration domain, access functions and scattering functions
// traversing the region tree.
buildScop(tempScop, getRegion(), NestLoops, Scatter, LI);
realignParams();
addParameterBounds();
assert(NestLoops.empty() && "NestLoops not empty at top level!");
}
