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Some cleanup before I start committing some incremental progress on

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StrongPHIElimination.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@120961 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Cameron Zwarich
2010-12-05 22:34:08 +00:00
parent 48575f6ea7
commit 9eaf49b320
1 changed files with 22 additions and 21 deletions
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43
lib/CodeGen/StrongPHIElimination.cpp
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@@ -19,28 +19,16 @@
using namespace llvm; using namespace llvm;
namespace { namespace {
class StrongPHIElimination : public MachineFunctionPass { class StrongPHIElimination : public MachineFunctionPass {
public: public:
static char ID; // Pass identification, replacement for typeid static char ID; // Pass identification, replacement for typeid
StrongPHIElimination() : MachineFunctionPass(ID) { StrongPHIElimination() : MachineFunctionPass(ID) {
initializeStrongPHIEliminationPass(*PassRegistry::getPassRegistry()); initializeStrongPHIEliminationPass(*PassRegistry::getPassRegistry());
} }
private: virtual void getAnalysisUsage(AnalysisUsage&) const;
bool runOnMachineFunction(MachineFunction &Fn) { bool runOnMachineFunction(MachineFunction&);
llvm_unreachable("Strong phi elimination is not implemented"); };
}
virtual void getAnalysisUsage(AnalysisUsage &AU) const {
AU.setPreservesCFG();
AU.addRequired<MachineDominatorTree>();
AU.addRequired<SlotIndexes>();
AU.addPreserved<SlotIndexes>();
AU.addRequired<LiveIntervals>();
AU.addPreserved<LiveIntervals>();
MachineFunctionPass::getAnalysisUsage(AU);
}
};
} // namespace } // namespace
char StrongPHIElimination::ID = 0; char StrongPHIElimination::ID = 0;
@@ -54,3 +42,16 @@ INITIALIZE_PASS_END(StrongPHIElimination, "strong-phi-node-elimination",
char &llvm::StrongPHIEliminationID = StrongPHIElimination::ID; char &llvm::StrongPHIEliminationID = StrongPHIElimination::ID;
void StrongPHIElimination::getAnalysisUsage(AnalysisUsage& AU) const {
AU.setPreservesCFG();
AU.addRequired<MachineDominatorTree>();
AU.addRequired<SlotIndexes>();
AU.addPreserved<SlotIndexes>();
AU.addRequired<LiveIntervals>();
AU.addPreserved<LiveIntervals>();
MachineFunctionPass::getAnalysisUsage(AU);
}
bool StrongPHIElimination::runOnMachineFunction(MachineFunction& Fn) {
llvm_unreachable("Strong phi elimination is not implemented");
}