: MachineFunctionPass(ID), builder(b), customPassID(cPassID) {
initializeSlotIndexesPass(*PassRegistry::getPassRegistry());
initializeLiveIntervalsPass(*PassRegistry::getPassRegistry());
- initializeRegisterCoalescerPass(*PassRegistry::getPassRegistry());
initializeCalculateSpillWeightsPass(*PassRegistry::getPassRegistry());
initializeLiveStacksPass(*PassRegistry::getPassRegistry());
initializeMachineLoopInfoPass(*PassRegistry::getPassRegistry());
VReg2Node::const_iterator nodeItr = vreg2Node.find(vreg);
assert(nodeItr != vreg2Node.end() && "No node for vreg.");
return nodeItr->second;
-
+
}
const PBQPRAProblem::AllowedSet&
typedef std::vector<const LiveInterval*> LIVector;
MachineRegisterInfo *mri = &mf->getRegInfo();
- const TargetRegisterInfo *tri = mf->getTarget().getRegisterInfo();
+ const TargetRegisterInfo *tri = mf->getTarget().getRegisterInfo();
std::auto_ptr<PBQPRAProblem> p(new PBQPRAProblem());
PBQP::Graph &g = p->getGraph();
BitVector reservedRegs = tri->getReservedRegs(*mf);
- // Iterate over vregs.
+ // Iterate over vregs.
for (RegSet::const_iterator vregItr = vregs.begin(), vregEnd = vregs.end();
vregItr != vregEnd; ++vregItr) {
unsigned vreg = *vregItr;
}
// Construct the node.
- PBQP::Graph::NodeItr node =
+ PBQP::Graph::NodeItr node =
g.addNode(PBQP::Vector(vrAllowed.size() + 1, 0));
// Record the mapping and allowed set in the problem.
const float copyFactor = 0.5; // Cost of copy relative to load. Current
// value plucked randomly out of the air.
-
+
PBQP::PBQPNum cBenefit =
copyFactor * LiveIntervals::getSpillWeight(false, true,
loopInfo->getLoopDepth(mbb));
}
const PBQPRAProblem::AllowedSet &allowed = p->getAllowedSet(src);
- unsigned pregOpt = 0;
+ unsigned pregOpt = 0;
while (pregOpt < allowed.size() && allowed[pregOpt] != dst) {
++pregOpt;
}
std::swap(allowed1, allowed2);
}
}
-
+
addVirtRegCoalesce(g.getEdgeCosts(edge), *allowed1, *allowed2,
cBenefit);
}
if (preg1 == preg2) {
costMat[i + 1][j + 1] += -benefit;
- }
+ }
}
}
}
au.addPreserved<SlotIndexes>();
au.addRequired<LiveIntervals>();
//au.addRequiredID(SplitCriticalEdgesID);
- au.addRequiredID(RegisterCoalescerPassID);
if (customPassID)
au.addRequiredID(*customPassID);
au.addRequired<CalculateSpillWeights>();
unsigned alloc = solution.getSelection(node);
if (problem.isPRegOption(vreg, alloc)) {
- unsigned preg = problem.getPRegForOption(vreg, alloc);
+ unsigned preg = problem.getPRegForOption(vreg, alloc);
DEBUG(dbgs() << "VREG " << vreg << " -> " << tri->getName(preg) << "\n");
assert(preg != 0 && "Invalid preg selected.");
- vrm->assignVirt2Phys(vreg, preg);
+ vrm->assignVirt2Phys(vreg, preg);
} else if (problem.isSpillOption(vreg, alloc)) {
vregsToAlloc.erase(vreg);
SmallVector<LiveInterval*, 8> newSpills;
tm = &mf->getTarget();
tri = tm->getRegisterInfo();
tii = tm->getInstrInfo();
- mri = &mf->getRegInfo();
+ mri = &mf->getRegInfo();
lis = &getAnalysis<LiveIntervals>();
lss = &getAnalysis<LiveStacks>();