LLVM
15.0.0git
include
llvm
Transforms
Scalar
BDCE.h
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//===---- BDCE.cpp - Bit-tracking dead code elimination ---------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// This file implements the Bit-Tracking Dead Code Elimination pass. Some
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// instructions (shifts, some ands, ors, etc.) kill some of their input bits.
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// We track these dead bits and remove instructions that compute only these
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// dead bits.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_TRANSFORMS_SCALAR_BDCE_H
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#define LLVM_TRANSFORMS_SCALAR_BDCE_H
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#include "
llvm/IR/PassManager.h
"
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namespace
llvm
{
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class
Function
;
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// The Bit-Tracking Dead Code Elimination pass.
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struct
BDCEPass
:
PassInfoMixin
<BDCEPass> {
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PreservedAnalyses
run
(
Function
&
F
,
FunctionAnalysisManager
&AM);
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};
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}
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#endif // LLVM_TRANSFORMS_SCALAR_BDCE_H
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
llvm::BDCEPass::run
PreservedAnalyses run(Function &F, FunctionAnalysisManager &AM)
Definition:
BDCE.cpp:168
llvm::BDCEPass
Definition:
BDCE.h:26
F
#define F(x, y, z)
Definition:
MD5.cpp:55
PassManager.h
llvm::AnalysisManager
A container for analyses that lazily runs them and caches their results.
Definition:
InstructionSimplify.h:42
llvm::codeview::PublicSymFlags::Function
@ Function
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