LLVM 19.0.0git
LowerExpectIntrinsic.h
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1//===- LowerExpectIntrinsic.h - LowerExpectIntrinsic pass -------*- 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/// \file
9///
10/// The header file for the LowerExpectIntrinsic pass as used by the new pass
11/// manager.
12///
13//===----------------------------------------------------------------------===//
14
15#ifndef LLVM_TRANSFORMS_SCALAR_LOWEREXPECTINTRINSIC_H
16#define LLVM_TRANSFORMS_SCALAR_LOWEREXPECTINTRINSIC_H
17
18#include "llvm/IR/PassManager.h"
19
20namespace llvm {
21
22class Function;
23
24struct LowerExpectIntrinsicPass : PassInfoMixin<LowerExpectIntrinsicPass> {
25 /// Run the pass over the function.
26 ///
27 /// This will lower all of the expect intrinsic calls in this function into
28 /// branch weight metadata. That metadata will subsequently feed the analysis
29 /// of the probabilities and frequencies of the CFG. After running this pass,
30 /// no more expect intrinsics remain, allowing the rest of the optimizer to
31 /// ignore them.
33};
34
35}
36
37#endif
#define F(x, y, z)
Definition: MD5.cpp:55
This header defines various interfaces for pass management in LLVM.
A container for analyses that lazily runs them and caches their results.
Definition: PassManager.h:242
A set of analyses that are preserved following a run of a transformation pass.
Definition: Analysis.h:109
This is an optimization pass for GlobalISel generic memory operations.
Definition: AddressRanges.h:18
PreservedAnalyses run(Function &F, FunctionAnalysisManager &)
Run the pass over the function.
A CRTP mix-in to automatically provide informational APIs needed for passes.
Definition: PassManager.h:68