llvm/CodeGen/ExpandVectorPredication.h

0001 //===-- ExpandVectorPredication.h - Expand vector predication ---*- C++ -*-===//
0002 //
0003 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
0004 // See https://llvm.org/LICENSE.txt for license information.
0005 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
0006 //
0007 //===----------------------------------------------------------------------===//
0008
0009 #ifndef LLVM_CODEGEN_EXPANDVECTORPREDICATION_H
0010 #define LLVM_CODEGEN_EXPANDVECTORPREDICATION_H
0011
0012 #include "llvm/IR/PassManager.h"
0013
0014 namespace llvm {
0015
0016 class TargetTransformInfo;
0017 class VPIntrinsic;
0018
0019 /// Represents the details the expansion of a VP intrinsic.
0020 enum class VPExpansionDetails {
0021   /// No change happened during expansion.
0022   IntrinsicUnchanged,
0023   /// At least one operand was updated.
0024   IntrinsicUpdated,
0025   /// The whole intrinsic was replaced.
0026   IntrinsicReplaced,
0027 };
0028
0029 /// Expand a vector predication intrinsic. Returns the kind of expansion
0030 /// that was applied to the intrinsic.
0031 VPExpansionDetails
0032 expandVectorPredicationIntrinsic(VPIntrinsic &VPI,
0033                                  const TargetTransformInfo &TTI);
0034
0035 } // end namespace llvm
0036
0037 #endif // LLVM_CODEGEN_EXPANDVECTORPREDICATION_H