using namespace llvm;
char LiveStacks::ID = 0;
-static RegisterPass<LiveStacks> X("livestacks", "Live Stack Slot Analysis");
-
-void LiveStacks::scaleNumbering(int factor) {
- // Scale the intervals.
- for (iterator LI = begin(), LE = end(); LI != LE; ++LI) {
- LI->second.scaleNumbering(factor);
- }
-}
+INITIALIZE_PASS(LiveStacks, "livestacks",
+ "Live Stack Slot Analysis", false, false);
void LiveStacks::getAnalysisUsage(AnalysisUsage &AU) const {
AU.setPreservesAll();
+ AU.addPreserved<SlotIndexes>();
+ AU.addRequiredTransitive<SlotIndexes>();
MachineFunctionPass::getAnalysisUsage(AU);
}
void LiveStacks::releaseMemory() {
- // Release VNInfo memroy regions after all VNInfo objects are dtor'd.
+ // Release VNInfo memory regions, VNInfo objects don't need to be dtor'd.
VNInfoAllocator.Reset();
S2IMap.clear();
S2RCMap.clear();
}
/// print - Implement the dump method.
-void LiveStacks::print(std::ostream &O, const Module*) const {
- raw_os_ostream OS(O);
+void LiveStacks::print(raw_ostream &OS, const Module*) const {
OS << "********** INTERVALS **********\n";
for (const_iterator I = begin(), E = end(); I != E; ++I) {