1 //===-------- VectorCombine.h - Optimize partial vector operations --------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 //
9 // This pass optimizes scalar/vector interactions using target cost models. The
10 // transforms implemented here may not fit in traditional loop-based or SLP
11 // vectorization passes.
12 //
13 //===----------------------------------------------------------------------===//
14 
15 #ifndef LLVM_TRANSFORMS_VECTORIZE_VECTORCOMBINE_H
16 #define LLVM_TRANSFORMS_VECTORIZE_VECTORCOMBINE_H
17 
18 #include "llvm/IR/PassManager.h"
19 
20 namespace llvm {
21 
22 /// Optimize scalar/vector interactions in IR using target cost models.
23 class VectorCombinePass : public PassInfoMixin<VectorCombinePass> {
24   /// If true, only perform beneficial early IR transforms. Do not introduce new
25   /// vector operations.
26   bool TryEarlyFoldsOnly;
27 
28 public:
29   VectorCombinePass(bool TryEarlyFoldsOnly = false)
30       : TryEarlyFoldsOnly(TryEarlyFoldsOnly) {}
31 
32   PreservedAnalyses run(Function &F, FunctionAnalysisManager &);
33 };
34 }
35 #endif // LLVM_TRANSFORMS_VECTORIZE_VECTORCOMBINE_H
36