Differential D87294 Diff 290514 llvm/include/llvm/Transforms/IPO/IROutliner.h

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llvm/include/llvm/Transforms/IPO/IROutliner.h

Show First 20 Lines • Show All 75 Lines • ▼ Show 20 Lines	struct OutlinableRegion {
/// Mapping the extracted argument number to the argument number in the		/// Mapping the extracted argument number to the argument number in the
/// overall function. Since there will be inputs, such as elevated constants		/// overall function. Since there will be inputs, such as elevated constants
/// that are not the same in each region in a SimilarityGroup, or values that		/// that are not the same in each region in a SimilarityGroup, or values that
/// cannot be sunk into the extracted section in every region, we must keep		/// cannot be sunk into the extracted section in every region, we must keep
/// track of which extracted argument maps to which overall argument.		/// track of which extracted argument maps to which overall argument.
DenseMap<unsigned, unsigned> ExtractedArgToAgg;		DenseMap<unsigned, unsigned> ExtractedArgToAgg;
DenseMap<unsigned, unsigned> AggArgToExtracted;		DenseMap<unsigned, unsigned> AggArgToExtracted;

		/// Mapping of the argument number in the deduplicated function
		/// to a given constant, which is used when creating the arguments to the call
		/// to the newly created deduplicated function. This is handled separately
		/// since the CodeExtractor does not recognize constants.
		DenseMap<unsigned, Constant *> AggArgToConstant;

/// Used to create an outlined function.		/// Used to create an outlined function.
CodeExtractor *CE = nullptr;		CodeExtractor *CE = nullptr;

/// The call site of the extracted region.		/// The call site of the extracted region.
CallInst *Call = nullptr;		CallInst *Call = nullptr;

/// The function for the extracted region.		/// The function for the extracted region.
Function *ExtractedFunction = nullptr;		Function *ExtractedFunction = nullptr;
▲ Show 20 Lines • Show All 83 Lines • ▼ Show 20 Lines	private:
/// \returns the newly created function.		/// \returns the newly created function.
Function *createFunction(Module &M, OutlinableGroup &CG,		Function *createFunction(Module &M, OutlinableGroup &CG,
unsigned FunctionNameSuffix);		unsigned FunctionNameSuffix);

/// Identify the needed extracted inputs in a section, and add to the overall		/// Identify the needed extracted inputs in a section, and add to the overall
/// function if needed.		/// function if needed.
///		///
/// \param [in] M - The module to outline from.		/// \param [in] M - The module to outline from.
/// \param [in,out] Region - The region to be extracted		/// \param [in,out] Region - The region to be extracted.
void findAddInputsOutputs(Module &M, OutlinableRegion &Region);		/// \param [in] NotSame - The global value numbers of the Values in the region
		/// that do not have the same Constant in each strucutrally similar region.
		void findAddInputsOutputs(Module &M, OutlinableRegion &Region,
		DenseSet<unsigned> &NotSame);

/// Extract \p Region into its own function.		/// Extract \p Region into its own function.
///		///
/// \param [in] Region - The region to be extracted into its own function.		/// \param [in] Region - The region to be extracted into its own function.
/// \returns True if it was successfully outlined.		/// \returns True if it was successfully outlined.
bool extractSection(OutlinableRegion &Region);		bool extractSection(OutlinableRegion &Region);

/// For the similarities found, and the extracted sections, create a single		/// For the similarities found, and the extracted sections, create a single
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