LLVM  15.0.0git
LowerConstantIntrinsics.h
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1 //===- LowerConstantIntrinsics.h - Lower constant int. 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 LowerConstantIntrinsics pass as used by the new pass
11 /// manager.
12 ///
13 //===----------------------------------------------------------------------===//
14 
15 #ifndef LLVM_TRANSFORMS_SCALAR_LOWERCONSTANTINTRINSICS_H
16 #define LLVM_TRANSFORMS_SCALAR_LOWERCONSTANTINTRINSICS_H
17 
18 #include "llvm/IR/PassManager.h"
19 
20 namespace llvm {
21 
22 class Function;
23 
25  PassInfoMixin<LowerConstantIntrinsicsPass> {
26 public:
27  explicit LowerConstantIntrinsicsPass() = default;
28 
29  /// Run the pass over the function.
30  ///
31  /// This will lower all remaining 'objectsize' and 'is.constant'`
32  /// intrinsic calls in this function, even when the argument has no known
33  /// size or is not a constant respectively. The resulting constant is
34  /// propagated and conditional branches are resolved where possible.
35  /// This complements the Instruction Simplification and
36  /// Instruction Combination passes of the optimized pass chain.
38 };
39 
40 }
41 
42 #endif
llvm::PreservedAnalyses
A set of analyses that are preserved following a run of a transformation pass.
Definition: PassManager.h:152
llvm
This is an optimization pass for GlobalISel generic memory operations.
Definition: AddressRanges.h:17
llvm::PassInfoMixin
A CRTP mix-in to automatically provide informational APIs needed for passes.
Definition: PassManager.h:371
llvm::Function
Definition: Function.h:60
F
#define F(x, y, z)
Definition: MD5.cpp:55
llvm::LowerConstantIntrinsicsPass::LowerConstantIntrinsicsPass
LowerConstantIntrinsicsPass()=default
llvm::LowerConstantIntrinsicsPass::run
PreservedAnalyses run(Function &F, FunctionAnalysisManager &)
Run the pass over the function.
Definition: LowerConstantIntrinsics.cpp:154
PassManager.h
llvm::LowerConstantIntrinsicsPass
Definition: LowerConstantIntrinsics.h:24
llvm::AnalysisManager
A container for analyses that lazily runs them and caches their results.
Definition: InstructionSimplify.h:42
llvm::codeview::PublicSymFlags::Function
@ Function