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Differential D40146 Diff 126034 llvm/include/llvm/Transforms/Scalar/JumpThreading.h

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llvm/include/llvm/Transforms/Scalar/JumpThreading.h

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namespace llvm { namespace llvm {
class BasicBlock; class BasicBlock;
class BinaryOperator; class BinaryOperator;
class BranchInst; class BranchInst;
class CmpInst; class CmpInst;
class Constant; class Constant;
class DeferredDominance;
class Function; class Function;
class Instruction; class Instruction;
class IntrinsicInst; class IntrinsicInst;
class LazyValueInfo; class LazyValueInfo;
class LoadInst; class LoadInst;
class PHINode; class PHINode;
class TargetLibraryInfo; class TargetLibraryInfo;
class Value; class Value;
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/// if (X < 3) { /// if (X < 3) {
/// ///
/// In this case, the unconditional branch at the end of the first if can be /// In this case, the unconditional branch at the end of the first if can be
/// revectored to the false side of the second if. /// revectored to the false side of the second if.
class JumpThreadingPass : public PassInfoMixin<JumpThreadingPass> { class JumpThreadingPass : public PassInfoMixin<JumpThreadingPass> {
TargetLibraryInfo *TLI; TargetLibraryInfo *TLI;
LazyValueInfo *LVI; LazyValueInfo *LVI;
AliasAnalysis *AA; AliasAnalysis *AA;
DeferredDominance *DDT;
std::unique_ptr<BlockFrequencyInfo> BFI; std::unique_ptr<BlockFrequencyInfo> BFI;
std::unique_ptr<BranchProbabilityInfo> BPI; std::unique_ptr<BranchProbabilityInfo> BPI;
bool HasProfileData = false; bool HasProfileData = false;
bool HasGuards = false; bool HasGuards = false;
#ifdef NDEBUG #ifdef NDEBUG
SmallPtrSet<const BasicBlock *, 16> LoopHeaders; SmallPtrSet<const BasicBlock *, 16> LoopHeaders;
#else #else
SmallSet<AssertingVH<const BasicBlock>, 16> LoopHeaders; SmallSet<AssertingVH<const BasicBlock>, 16> LoopHeaders;
Show All 14 Lines struct RecursionSetRemover {
~RecursionSetRemover() { TheSet.erase(ThePair); } ~RecursionSetRemover() { TheSet.erase(ThePair); }
}; };
public: public:
JumpThreadingPass(int T = -1); JumpThreadingPass(int T = -1);
// Glue for old PM. // Glue for old PM.
bool runImpl(Function &F, TargetLibraryInfo *TLI_, LazyValueInfo *LVI_, bool runImpl(Function &F, TargetLibraryInfo *TLI_, LazyValueInfo *LVI_,
AliasAnalysis *AA_, bool HasProfileData_, AliasAnalysis *AA_, DeferredDominance *DDT_,
std::unique_ptr<BlockFrequencyInfo> BFI_, bool HasProfileData_, std::unique_ptr<BlockFrequencyInfo> BFI_,
std::unique_ptr<BranchProbabilityInfo> BPI_); std::unique_ptr<BranchProbabilityInfo> BPI_);
PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM); PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM);
void releaseMemory() { void releaseMemory() {
BFI.reset(); BFI.reset();
BPI.reset(); BPI.reset();
} }
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