Merge "Update prebuilt Clang to r353983." into p9.0HEADp9.0-backupp9.0

1 files changed, 143 insertions, 0 deletions

diff --git a/clang-r353983/include/llvm/Transforms/Vectorize.h b/clang-r353983/include/llvm/Transforms/Vectorize.h
new file mode 100644
index 00000000..a411b566
--- /dev/null
+++ b/clang-r353983/include/llvm/Transforms/Vectorize.h
@@ -0,0 +1,143 @@
+//===-- Vectorize.h - Vectorization Transformations -------------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// This header file defines prototypes for accessor functions that expose passes
+// in the Vectorize transformations library.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_TRANSFORMS_VECTORIZE_H
+#define LLVM_TRANSFORMS_VECTORIZE_H
+
+namespace llvm {
+class BasicBlock;
+class BasicBlockPass;
+class Pass;
+
+//===----------------------------------------------------------------------===//
+/// Vectorize configuration.
+struct VectorizeConfig {
+  //===--------------------------------------------------------------------===//
+  // Target architecture related parameters
+
+  /// The size of the native vector registers.
+  unsigned VectorBits;
+
+  /// Vectorize boolean values.
+  bool VectorizeBools;
+
+  /// Vectorize integer values.
+  bool VectorizeInts;
+
+  /// Vectorize floating-point values.
+  bool VectorizeFloats;
+
+  /// Vectorize pointer values.
+  bool VectorizePointers;
+
+  /// Vectorize casting (conversion) operations.
+  bool VectorizeCasts;
+
+  /// Vectorize floating-point math intrinsics.
+  bool VectorizeMath;
+
+  /// Vectorize bit intrinsics.
+  bool VectorizeBitManipulations;
+
+  /// Vectorize the fused-multiply-add intrinsic.
+  bool VectorizeFMA;
+
+  /// Vectorize select instructions.
+  bool VectorizeSelect;
+
+  /// Vectorize comparison instructions.
+  bool VectorizeCmp;
+
+  /// Vectorize getelementptr instructions.
+  bool VectorizeGEP;
+
+  /// Vectorize loads and stores.
+  bool VectorizeMemOps;
+
+  /// Only generate aligned loads and stores.
+  bool AlignedOnly;
+
+  //===--------------------------------------------------------------------===//
+  // Misc parameters
+
+  /// The required chain depth for vectorization.
+  unsigned ReqChainDepth;
+
+  /// The maximum search distance for instruction pairs.
+  unsigned SearchLimit;
+
+  /// The maximum number of candidate pairs with which to use a full
+  ///        cycle check.
+  unsigned MaxCandPairsForCycleCheck;
+
+  /// Replicating one element to a pair breaks the chain.
+  bool SplatBreaksChain;
+
+  /// The maximum number of pairable instructions per group.
+  unsigned MaxInsts;
+
+  /// The maximum number of candidate instruction pairs per group.
+  unsigned MaxPairs;
+
+  /// The maximum number of pairing iterations.
+  unsigned MaxIter;
+
+  /// Don't try to form odd-length vectors.
+  bool Pow2LenOnly;
+
+  /// Don't boost the chain-depth contribution of loads and stores.
+  bool NoMemOpBoost;
+
+  /// Use a fast instruction dependency analysis.
+  bool FastDep;
+
+  /// Initialize the VectorizeConfig from command line options.
+  VectorizeConfig();
+};
+
+//===----------------------------------------------------------------------===//
+//
+// LoopVectorize - Create a loop vectorization pass.
+//
+Pass *createLoopVectorizePass(bool InterleaveOnlyWhenForced = false,
+                              bool VectorizeOnlyWhenForced = false);
+
+//===----------------------------------------------------------------------===//
+//
+// SLPVectorizer - Create a bottom-up SLP vectorizer pass.
+//
+Pass *createSLPVectorizerPass();
+
+//===----------------------------------------------------------------------===//
+/// 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());
+
+//===----------------------------------------------------------------------===//
+//
+// LoadStoreVectorizer - Create vector loads and stores, but leave scalar
+// operations.
+//
+Pass *createLoadStoreVectorizerPass();
+
+} // End llvm namespace
+
+#endif