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[MemCpyOpt] clang-format + trim the legacy pass. NFC. 

None of the declarations below `// Helper functions` seem to have
definitions anymore.

llvm-svn: 297309
This commit is contained in:
George Burgess IV 2017-03-08 21:28:19 +00:00
parent 908ed4c90a
commit ecb95f58a2
1 changed files with 22 additions and 38 deletions
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60
llvm/lib/Transforms/Scalar/MemCpyOptimizer.cpp
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@ -330,49 +330,33 @@ void MemsetRanges::addRange(int64_t Start, int64_t Size, Value *Ptr,
namespace {
class MemCpyOptLegacyPass : public FunctionPass {
MemCpyOptPass Impl;
class MemCpyOptLegacyPass : public FunctionPass {
MemCpyOptPass Impl;
public:
static char ID; // Pass identification, replacement for typeid
public:
static char ID; // Pass identification, replacement for typeid
MemCpyOptLegacyPass() : FunctionPass(ID) {
initializeMemCpyOptLegacyPassPass(*PassRegistry::getPassRegistry());
}
MemCpyOptLegacyPass() : FunctionPass(ID) {
initializeMemCpyOptLegacyPassPass(*PassRegistry::getPassRegistry());
}
bool runOnFunction(Function &F) override;
bool runOnFunction(Function &F) override;
private:
// This transformation requires dominator postdominator info
void getAnalysisUsage(AnalysisUsage &AU) const override {
AU.setPreservesCFG();
AU.addRequired<AssumptionCacheTracker>();
AU.addRequired<DominatorTreeWrapperPass>();
AU.addRequired<MemoryDependenceWrapperPass>();
AU.addRequired<AAResultsWrapperPass>();
AU.addRequired<TargetLibraryInfoWrapperPass>();
AU.addPreserved<GlobalsAAWrapperPass>();
AU.addPreserved<MemoryDependenceWrapperPass>();
}
private:
// This transformation requires dominator postdominator info
void getAnalysisUsage(AnalysisUsage &AU) const override {
AU.setPreservesCFG();
AU.addRequired<AssumptionCacheTracker>();
AU.addRequired<DominatorTreeWrapperPass>();
AU.addRequired<MemoryDependenceWrapperPass>();
AU.addRequired<AAResultsWrapperPass>();
AU.addRequired<TargetLibraryInfoWrapperPass>();
AU.addPreserved<GlobalsAAWrapperPass>();
AU.addPreserved<MemoryDependenceWrapperPass>();
}
};
// Helper functions
bool processStore(StoreInst *SI, BasicBlock::iterator &BBI);
bool processMemSet(MemSetInst *SI, BasicBlock::iterator &BBI);
bool processMemCpy(MemCpyInst *M);
bool processMemMove(MemMoveInst *M);
bool performCallSlotOptzn(Instruction *cpy, Value *cpyDst, Value *cpySrc,
uint64_t cpyLen, unsigned cpyAlign, CallInst *C);
bool processMemCpyMemCpyDependence(MemCpyInst *M, MemCpyInst *MDep);
bool processMemSetMemCpyDependence(MemCpyInst *M, MemSetInst *MDep);
bool performMemCpyToMemSetOptzn(MemCpyInst *M, MemSetInst *MDep);
bool processByValArgument(CallSite CS, unsigned ArgNo);
Instruction *tryMergingIntoMemset(Instruction *I, Value *StartPtr,
Value *ByteVal);
bool iterateOnFunction(Function &F);
};
char MemCpyOptLegacyPass::ID = 0;
char MemCpyOptLegacyPass::ID = 0;
} // end anonymous namespace