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AlwaysInliner.cpp
(6.51 KB)
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ArgumentPromotion.cpp
(44.76 KB)
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Attributor.cpp
(81.04 KB)
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AttributorAttributes.cpp
(269.7 KB)
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BarrierNoopPass.cpp
(1.67 KB)
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BlockExtractor.cpp
(8.17 KB)
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CalledValuePropagation.cpp
(17.71 KB)
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ConstantMerge.cpp
(9.59 KB)
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CrossDSOCFI.cpp
(5.98 KB)
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DeadArgumentElimination.cpp
(42.84 KB)
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ElimAvailExtern.cpp
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ExtractGV.cpp
(5.2 KB)
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ForceFunctionAttrs.cpp
(4.79 KB)
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FunctionAttrs.cpp
(55.56 KB)
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FunctionImport.cpp
(55.28 KB)
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GlobalDCE.cpp
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GlobalOpt.cpp
(119.78 KB)
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GlobalSplit.cpp
(6.92 KB)
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HotColdSplitting.cpp
(26.27 KB)
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IPConstantPropagation.cpp
(10.68 KB)
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IPO.cpp
(4.94 KB)
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InferFunctionAttrs.cpp
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InlineSimple.cpp
(4.21 KB)
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Inliner.cpp
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Internalize.cpp
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LoopExtractor.cpp
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LowerTypeTests.cpp
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MergeFunctions.cpp
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OpenMPOpt.cpp
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PartialInlining.cpp
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PassManagerBuilder.cpp
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PruneEH.cpp
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SCCP.cpp
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SampleProfile.cpp
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StripDeadPrototypes.cpp
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StripSymbols.cpp
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SyntheticCountsPropagation.cpp
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ThinLTOBitcodeWriter.cpp
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WholeProgramDevirt.cpp
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Editing: BarrierNoopPass.cpp
//===- BarrierNoopPass.cpp - A barrier pass for the pass manager ----------===// // // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. // See https://llvm.org/LICENSE.txt for license information. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// // // NOTE: DO NOT USE THIS IF AVOIDABLE // // This pass is a nonce pass intended to allow manipulation of the implicitly // nesting pass manager. For example, it can be used to cause a CGSCC pass // manager to be closed prior to running a new collection of function passes. // // FIXME: This is a huge HACK. This should be removed when the pass manager's // nesting is made explicit instead of implicit. // //===----------------------------------------------------------------------===// #include "llvm/InitializePasses.h" #include "llvm/Pass.h" #include "llvm/Transforms/IPO.h" using namespace llvm; namespace { /// A nonce module pass used to place a barrier in a pass manager. /// /// There is no mechanism for ending a CGSCC pass manager once one is started. /// This prevents extension points from having clear deterministic ordering /// when they are phrased as non-module passes. class BarrierNoop : public ModulePass { public: static char ID; // Pass identification. BarrierNoop() : ModulePass(ID) { initializeBarrierNoopPass(*PassRegistry::getPassRegistry()); } bool runOnModule(Module &M) override { return false; } }; } ModulePass *llvm::createBarrierNoopPass() { return new BarrierNoop(); } char BarrierNoop::ID = 0; INITIALIZE_PASS(BarrierNoop, "barrier", "A No-Op Barrier Pass", false, false)
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