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attributes on functions, based on the result of alias analysis. It's not hardwired to use GlobalsModRef even though this is the only (AFAIK) alias analysis that results in this pass actually doing something. Enable as follows: opt ... -globalsmodref-aa -markmodref ... Advantages of this pass: (1) records the result of globalsmodref in the bitcode, meaning it is available for use by later passes (currently the pass manager isn't smart enough to magically make an advanced alias analysis available to all later passes), which may expose more optimization opportunities; (2) hopefully speeds up compilation when code is optimized twice, for example when a file is compiled to bitcode, then later LTO is done on it: marking functions readonly/readnone when producing the initial bitcode should speed up alias analysis during LTO; (3) good for discovering that globalsmodref doesn't work very well :) Not currently turned on by default. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@55604 91177308-0d34-0410-b5e6-96231b3b80d8
133 lines
5.4 KiB
C++
133 lines
5.4 KiB
C++
//===- llvm/LinkAllPasses.h ------------ Reference All Passes ---*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This header file pulls in all transformation and analysis passes for tools
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// like opt and bugpoint that need this functionality.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_LINKALLPASSES_H
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#define LLVM_LINKALLPASSES_H
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#include "llvm/Analysis/AliasSetTracker.h"
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#include "llvm/Analysis/FindUsedTypes.h"
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#include "llvm/Analysis/IntervalPartition.h"
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#include "llvm/Analysis/LoopVR.h"
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#include "llvm/Analysis/Passes.h"
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#include "llvm/Analysis/PostDominators.h"
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#include "llvm/Analysis/ScalarEvolution.h"
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#include "llvm/CodeGen/Passes.h"
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#include "llvm/Function.h"
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#include "llvm/Transforms/Instrumentation.h"
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#include "llvm/Transforms/IPO.h"
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#include "llvm/Transforms/Scalar.h"
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#include "llvm/Transforms/Utils/UnifyFunctionExitNodes.h"
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#include <cstdlib>
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namespace {
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struct ForcePassLinking {
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ForcePassLinking() {
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// We must reference the passes in such a way that compilers will not
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// delete it all as dead code, even with whole program optimization,
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// yet is effectively a NO-OP. As the compiler isn't smart enough
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// to know that getenv() never returns -1, this will do the job.
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if (std::getenv("bar") != (char*) -1)
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return;
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(void) llvm::createAAEvalPass();
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(void) llvm::createAggressiveDCEPass();
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(void) llvm::createAliasAnalysisCounterPass();
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(void) llvm::createAliasDebugger();
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(void) llvm::createAndersensPass();
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(void) llvm::createArgumentPromotionPass();
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(void) llvm::createStructRetPromotionPass();
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(void) llvm::createBasicAliasAnalysisPass();
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(void) llvm::createLibCallAliasAnalysisPass(0);
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(void) llvm::createBlockPlacementPass();
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(void) llvm::createBlockProfilerPass();
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(void) llvm::createBreakCriticalEdgesPass();
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(void) llvm::createCFGSimplificationPass();
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(void) llvm::createConstantMergePass();
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(void) llvm::createConstantPropagationPass();
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(void) llvm::createDeadArgEliminationPass();
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(void) llvm::createDeadCodeEliminationPass();
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(void) llvm::createDeadInstEliminationPass();
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(void) llvm::createDeadStoreEliminationPass();
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(void) llvm::createDeadTypeEliminationPass();
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(void) llvm::createEdgeProfilerPass();
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(void) llvm::createFunctionInliningPass();
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(void) llvm::createFunctionProfilerPass();
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(void) llvm::createGlobalDCEPass();
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(void) llvm::createGlobalOptimizerPass();
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(void) llvm::createGlobalsModRefPass();
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(void) llvm::createGVNPREPass();
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(void) llvm::createIPConstantPropagationPass();
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(void) llvm::createIPSCCPPass();
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(void) llvm::createIndVarSimplifyPass();
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(void) llvm::createInstructionCombiningPass();
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(void) llvm::createInternalizePass(false);
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(void) llvm::createLCSSAPass();
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(void) llvm::createLICMPass();
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(void) llvm::createLoopExtractorPass();
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(void) llvm::createLoopSimplifyPass();
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(void) llvm::createLoopStrengthReducePass();
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(void) llvm::createLoopUnrollPass();
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(void) llvm::createLoopUnswitchPass();
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(void) llvm::createLoopRotatePass();
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(void) llvm::createLoopIndexSplitPass();
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(void) llvm::createLowerAllocationsPass();
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(void) llvm::createLowerInvokePass();
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(void) llvm::createLowerSetJmpPass();
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(void) llvm::createLowerSwitchPass();
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(void) llvm::createMarkModRefPass();
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(void) llvm::createNoAAPass();
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(void) llvm::createNoProfileInfoPass();
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(void) llvm::createProfileLoaderPass();
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(void) llvm::createPromoteMemoryToRegisterPass();
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(void) llvm::createDemoteRegisterToMemoryPass();
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(void) llvm::createPruneEHPass();
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(void) llvm::createRaiseAllocationsPass();
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(void) llvm::createReassociatePass();
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(void) llvm::createSCCPPass();
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(void) llvm::createScalarReplAggregatesPass();
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(void) llvm::createSimplifyLibCallsPass();
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(void) llvm::createSingleLoopExtractorPass();
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(void) llvm::createStripSymbolsPass();
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(void) llvm::createStripDeadPrototypesPass();
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(void) llvm::createTailCallEliminationPass();
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(void) llvm::createTailDuplicationPass();
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(void) llvm::createJumpThreadingPass();
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(void) llvm::createUnifyFunctionExitNodesPass();
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(void) llvm::createCondPropagationPass();
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(void) llvm::createNullProfilerRSPass();
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(void) llvm::createRSProfilingPass();
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(void) llvm::createIndMemRemPass();
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(void) llvm::createInstCountPass();
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(void) llvm::createPredicateSimplifierPass();
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(void) llvm::createCodeGenPreparePass();
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(void) llvm::createGVNPass();
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(void) llvm::createMemCpyOptPass();
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(void) llvm::createLoopDeletionPass();
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(void) llvm::createPostDomTree();
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(void) llvm::createPostDomFrontier();
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(void) llvm::createInstructionNamerPass();
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(void)new llvm::IntervalPartition();
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(void)new llvm::FindUsedTypes();
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(void)new llvm::ScalarEvolution();
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(void)new llvm::LoopVR();
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((llvm::Function*)0)->viewCFGOnly();
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llvm::AliasSetTracker X(*(llvm::AliasAnalysis*)0);
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X.add((llvm::Value*)0, 0); // for -print-alias-sets
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}
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} ForcePassLinking; // Force link by creating a global definition.
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}
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#endif
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