#include "llvm/ADT/STLExtras.h"
#include "llvm/Config/alloca.h"
#include <algorithm>
+#include <iostream>
using namespace llvm;
static RegisterAnalysis<LiveVariables> X("livevars", "Live Variable Analysis");
+void LiveVariables::VarInfo::dump() const {
+ std::cerr << "Register Defined by: ";
+ if (DefInst)
+ std::cerr << *DefInst;
+ else
+ std::cerr << "<null>\n";
+ std::cerr << " Alive in blocks: ";
+ for (unsigned i = 0, e = AliveBlocks.size(); i != e; ++i)
+ if (AliveBlocks[i]) std::cerr << i << ", ";
+ std::cerr << "\n Killed by:";
+ if (Kills.empty())
+ std::cerr << " No instructions.\n";
+ else {
+ for (unsigned i = 0, e = Kills.size(); i != e; ++i)
+ std::cerr << "\n #" << i << ": " << *Kills[i];
+ std::cerr << "\n";
+ }
+}
+
LiveVariables::VarInfo &LiveVariables::getVarInfo(unsigned RegIdx) {
assert(MRegisterInfo::isVirtualRegister(RegIdx) &&
"getVarInfo: not a virtual register!");