LLVM  10.0.0svn
GuardWidening.h
Go to the documentation of this file.
1 //===- GuardWidening.h - ----------------------------------------*- C++ -*-===//
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 // Guard widening is an optimization over the @llvm.experimental.guard intrinsic
10 // that (optimistically) combines multiple guards into one to have fewer checks
11 // at runtime.
12 //
13 //===----------------------------------------------------------------------===//
14 
15 
16 #ifndef LLVM_TRANSFORMS_SCALAR_GUARD_WIDENING_H
17 #define LLVM_TRANSFORMS_SCALAR_GUARD_WIDENING_H
18 
19 #include "llvm/Analysis/LoopInfo.h"
20 #include "llvm/IR/PassManager.h"
22 
23 namespace llvm {
24 
25 class Function;
26 
27 struct GuardWideningPass : public PassInfoMixin<GuardWideningPass> {
31 };
32 }
33 
34 
35 #endif // LLVM_TRANSFORMS_SCALAR_GUARD_WIDENING_H
This class represents lattice values for constants.
Definition: AllocatorList.h:23
This header provides classes for managing a pipeline of passes over loops in LLVM IR...
The adaptor from a function pass to a loop pass computes these analyses and makes them available to t...
F(f)
A CRTP mix-in to automatically provide informational APIs needed for passes.
Definition: PassManager.h:372
A set of analyses that are preserved following a run of a transformation pass.
Definition: PassManager.h:153
PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM)
This class provides an interface for updating the loop pass manager based on mutations to the loop ne...
Represents a single loop in the control flow graph.
Definition: LoopInfo.h:506
A container for analyses that lazily runs them and caches their results.
This header defines various interfaces for pass management in LLVM.