bool EdgeBundles::runOnMachineFunction(MachineFunction &mf) {
MF = &mf;
EC.clear();
- EC.grow(2 * MF->size());
+ EC.grow(2 * MF->getNumBlockIDs());
for (MachineFunction::const_iterator I = MF->begin(), E = MF->end(); I != E;
++I) {
EC.compress();
if (ViewEdgeBundles)
view();
+
+ // Compute the reverse mapping.
+ Blocks.clear();
+ Blocks.resize(getNumBundles());
+
+ for (unsigned i = 0, e = MF->getNumBlockIDs(); i != e; ++i) {
+ unsigned b0 = getBundle(i, 0);
+ unsigned b1 = getBundle(i, 1);
+ Blocks[b0].push_back(i);
+ if (b1 != b0)
+ Blocks[b1].push_back(i);
+ }
+
return false;
}
/// Specialize WriteGraph, the standard implementation won't work.
raw_ostream &llvm::WriteGraph(raw_ostream &O, const EdgeBundles &G,
bool ShortNames,
- const std::string &Title) {
+ const Twine &Title) {
const MachineFunction *MF = G.getMachineFunction();
O << "digraph {\n";
O << "}\n";
return O;
}
-
-