#include "LiveRangeEdit.h"
#include "RenderMachineFunction.h"
#include "Spiller.h"
-#include "Splitter.h"
#include "VirtRegMap.h"
#include "RegisterCoalescer.h"
+#include "llvm/Analysis/AliasAnalysis.h"
#include "llvm/CodeGen/CalcSpillWeights.h"
#include "llvm/CodeGen/LiveIntervalAnalysis.h"
#include "llvm/CodeGen/LiveStackAnalysis.h"
#include "llvm/CodeGen/RegAllocPBQP.h"
+#include "llvm/CodeGen/MachineDominators.h"
#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/CodeGen/MachineLoopInfo.h"
#include "llvm/CodeGen/MachineRegisterInfo.h"
cl::desc("Attempt coalescing during PBQP register allocation."),
cl::init(false), cl::Hidden);
-static cl::opt<bool>
-pbqpPreSplitting("pbqp-pre-splitting",
- cl::desc("Pre-split before PBQP register allocation."),
- cl::init(false), cl::Hidden);
-
namespace {
///
initializeCalculateSpillWeightsPass(*PassRegistry::getPassRegistry());
initializeLiveStacksPass(*PassRegistry::getPassRegistry());
initializeMachineLoopInfoPass(*PassRegistry::getPassRegistry());
- initializeLoopSplitterPass(*PassRegistry::getPassRegistry());
initializeVirtRegMapPass(*PassRegistry::getPassRegistry());
initializeRenderMachineFunctionPass(*PassRegistry::getPassRegistry());
}
void RegAllocPBQP::getAnalysisUsage(AnalysisUsage &au) const {
+ au.setPreservesCFG();
+ au.addRequired<AliasAnalysis>();
+ au.addPreserved<AliasAnalysis>();
au.addRequired<SlotIndexes>();
au.addPreserved<SlotIndexes>();
au.addRequired<LiveIntervals>();
au.addRequired<CalculateSpillWeights>();
au.addRequired<LiveStacks>();
au.addPreserved<LiveStacks>();
+ au.addRequired<MachineDominatorTree>();
+ au.addPreserved<MachineDominatorTree>();
au.addRequired<MachineLoopInfo>();
au.addPreserved<MachineLoopInfo>();
- if (pbqpPreSplitting)
- au.addRequired<LoopSplitter>();
au.addRequired<VirtRegMap>();
au.addRequired<RenderMachineFunction>();
MachineFunctionPass::getAnalysisUsage(au);