#define LLVM_TRANSFORMS_VECTORIZE_H
namespace llvm {
-
+class BasicBlock;
class BasicBlockPass;
+class Pass;
+
+//===----------------------------------------------------------------------===//
+/// @brief Vectorize configuration.
+struct VectorizeConfig {
+ //===--------------------------------------------------------------------===//
+ // Target architecture related parameters
+
+ /// @brief The size of the native vector registers.
+ unsigned VectorBits;
+
+ /// @brief Vectorize boolean values.
+ bool VectorizeBools;
+
+ /// @brief Vectorize integer values.
+ bool VectorizeInts;
+
+ /// @brief Vectorize floating-point values.
+ bool VectorizeFloats;
+
+ /// @brief Vectorize pointer values.
+ bool VectorizePointers;
+
+ /// @brief Vectorize casting (conversion) operations.
+ bool VectorizeCasts;
+
+ /// @brief Vectorize floating-point math intrinsics.
+ bool VectorizeMath;
+
+ /// @brief Vectorize bit intrinsics.
+ bool VectorizeBitManipulations;
+
+ /// @brief Vectorize the fused-multiply-add intrinsic.
+ bool VectorizeFMA;
+
+ /// @brief Vectorize select instructions.
+ bool VectorizeSelect;
+
+ /// @brief Vectorize comparison instructions.
+ bool VectorizeCmp;
+
+ /// @brief Vectorize getelementptr instructions.
+ bool VectorizeGEP;
+
+ /// @brief Vectorize loads and stores.
+ bool VectorizeMemOps;
+
+ /// @brief Only generate aligned loads and stores.
+ bool AlignedOnly;
+
+ //===--------------------------------------------------------------------===//
+ // Misc parameters
+
+ /// @brief The required chain depth for vectorization.
+ unsigned ReqChainDepth;
+
+ /// @brief The maximum search distance for instruction pairs.
+ unsigned SearchLimit;
+
+ /// @brief The maximum number of candidate pairs with which to use a full
+ /// cycle check.
+ unsigned MaxCandPairsForCycleCheck;
+
+ /// @brief Replicating one element to a pair breaks the chain.
+ bool SplatBreaksChain;
+
+ /// @brief The maximum number of pairable instructions per group.
+ unsigned MaxInsts;
+
+ /// @brief The maximum number of candidate instruction pairs per group.
+ unsigned MaxPairs;
+
+ /// @brief The maximum number of pairing iterations.
+ unsigned MaxIter;
+
+ /// @brief Don't try to form odd-length vectors.
+ bool Pow2LenOnly;
+
+ /// @brief Don't boost the chain-depth contribution of loads and stores.
+ bool NoMemOpBoost;
+
+ /// @brief Use a fast instruction dependency analysis.
+ bool FastDep;
+
+ /// @brief Initialize the VectorizeConfig from command line options.
+ VectorizeConfig();
+};
//===----------------------------------------------------------------------===//
//
// BBVectorize - A basic-block vectorization pass.
//
-BasicBlockPass *createBBVectorizePass();
+BasicBlockPass *
+createBBVectorizePass(const VectorizeConfig &C = VectorizeConfig());
+
+//===----------------------------------------------------------------------===//
+//
+// LoopVectorize - Create a loop vectorization pass.
+//
+Pass *createLoopVectorizePass(bool NoUnrolling = false,
+ bool AlwaysVectorize = true);
+
+//===----------------------------------------------------------------------===//
+//
+// SLPVectorizer - Create a bottom-up SLP vectorizer pass.
+//
+Pass *createSLPVectorizerPass();
+
+//===----------------------------------------------------------------------===//
+/// @brief Vectorize the BasicBlock.
+///
+/// @param BB The BasicBlock to be vectorized
+/// @param P The current running pass, should require AliasAnalysis and
+/// ScalarEvolution. After the vectorization, AliasAnalysis,
+/// ScalarEvolution and CFG are preserved.
+///
+/// @return True if the BB is changed, false otherwise.
+///
+bool vectorizeBasicBlock(Pass *P, BasicBlock &BB,
+ const VectorizeConfig &C = VectorizeConfig());
} // End llvm namespace