/// Constant Propagation.
///
class SCCPSolver : public InstVisitor<SCCPSolver> {
- const DataLayout *TD;
+ const DataLayout *DL;
const TargetLibraryInfo *TLI;
SmallPtrSet<BasicBlock*, 8> BBExecutable; // The BBs that are executable.
DenseMap<Value*, LatticeVal> ValueState; // The state each value is in.
typedef std::pair<BasicBlock*, BasicBlock*> Edge;
DenseSet<Edge> KnownFeasibleEdges;
public:
- SCCPSolver(const DataLayout *td, const TargetLibraryInfo *tli)
- : TD(td), TLI(tli) {}
+ SCCPSolver(const DataLayout *DL, const TargetLibraryInfo *tli)
+ : DL(DL), TLI(tli) {}
/// MarkBlockExecutable - This method can be used by clients to mark all of
/// the blocks that are known to be intrinsically live in the processed unit.
}
// Transform load from a constant into a constant if possible.
- if (Constant *C = ConstantFoldLoadFromConstPtr(Ptr, TD))
+ if (Constant *C = ConstantFoldLoadFromConstPtr(Ptr, DL))
return markConstant(IV, &I, C);
// Otherwise we cannot say for certain what value this load will produce.
return false;
DEBUG(dbgs() << "SCCP on function '" << F.getName() << "'\n");
- const DataLayout *TD = getAnalysisIfAvailable<DataLayout>();
+ const DataLayout *DL = getAnalysisIfAvailable<DataLayout>();
const TargetLibraryInfo *TLI = &getAnalysis<TargetLibraryInfo>();
- SCCPSolver Solver(TD, TLI);
+ SCCPSolver Solver(DL, TLI);
// Mark the first block of the function as being executable.
Solver.MarkBlockExecutable(F.begin());
}
bool IPSCCP::runOnModule(Module &M) {
- const DataLayout *TD = getAnalysisIfAvailable<DataLayout>();
+ const DataLayout *DL = getAnalysisIfAvailable<DataLayout>();
const TargetLibraryInfo *TLI = &getAnalysis<TargetLibraryInfo>();
- SCCPSolver Solver(TD, TLI);
+ SCCPSolver Solver(DL, TLI);
// AddressTakenFunctions - This set keeps track of the address-taken functions
// that are in the input. As IPSCCP runs through and simplifies code,