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llvm-mirror/include/llvm/LinkAllPasses.h
James Molloy 32530d77c8 "float2int": Add a new pass to demote from float to int where possible.
It is possible to have code that converts from integer to float, performs operations then converts back, and the result is provably the same as if integers were used.

This can come from different sources, but the most obvious is a helper function that uses floats but the arguments given at an inlined callsites are integers.

This pass considers all integers requiring a bitwidth less than or equal to the bitwidth of the mantissa of a floating point type (23 for floats, 52 for doubles) as exactly representable in floating point.

To reduce the risk of harming efficient code, the pass only attempts to perform complete removal of inttofp/fptoint operations, not just move them around.

llvm-svn: 233062
2015-03-24 11:15:23 +00:00

186 lines
8.0 KiB
C++

//===- llvm/LinkAllPasses.h ------------ Reference All Passes ---*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This header file pulls in all transformation and analysis passes for tools
// like opt and bugpoint that need this functionality.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LINKALLPASSES_H
#define LLVM_LINKALLPASSES_H
#include "llvm/Analysis/AliasSetTracker.h"
#include "llvm/Analysis/CallPrinter.h"
#include "llvm/Analysis/DomPrinter.h"
#include "llvm/Analysis/IntervalPartition.h"
#include "llvm/Analysis/Lint.h"
#include "llvm/Analysis/Passes.h"
#include "llvm/Analysis/PostDominators.h"
#include "llvm/Analysis/RegionPass.h"
#include "llvm/Analysis/RegionPrinter.h"
#include "llvm/Analysis/ScalarEvolution.h"
#include "llvm/CodeGen/Passes.h"
#include "llvm/IR/Function.h"
#include "llvm/IR/IRPrintingPasses.h"
#include "llvm/Transforms/IPO.h"
#include "llvm/Transforms/Instrumentation.h"
#include "llvm/Transforms/ObjCARC.h"
#include "llvm/Transforms/Scalar.h"
#include "llvm/Transforms/Utils/SymbolRewriter.h"
#include "llvm/Transforms/Utils/UnifyFunctionExitNodes.h"
#include "llvm/Transforms/Vectorize.h"
#include <cstdlib>
namespace {
struct ForcePassLinking {
ForcePassLinking() {
// We must reference the passes in such a way that compilers will not
// delete it all as dead code, even with whole program optimization,
// yet is effectively a NO-OP. As the compiler isn't smart enough
// to know that getenv() never returns -1, this will do the job.
if (std::getenv("bar") != (char*) -1)
return;
(void) llvm::createAAEvalPass();
(void) llvm::createAggressiveDCEPass();
(void) llvm::createBitTrackingDCEPass();
(void) llvm::createAliasAnalysisCounterPass();
(void) llvm::createAliasDebugger();
(void) llvm::createArgumentPromotionPass();
(void) llvm::createAlignmentFromAssumptionsPass();
(void) llvm::createBasicAliasAnalysisPass();
(void) llvm::createLibCallAliasAnalysisPass(nullptr);
(void) llvm::createScalarEvolutionAliasAnalysisPass();
(void) llvm::createTypeBasedAliasAnalysisPass();
(void) llvm::createScopedNoAliasAAPass();
(void) llvm::createBoundsCheckingPass();
(void) llvm::createBreakCriticalEdgesPass();
(void) llvm::createCallGraphPrinterPass();
(void) llvm::createCallGraphViewerPass();
(void) llvm::createCFGSimplificationPass();
(void) llvm::createCFLAliasAnalysisPass();
(void) llvm::createStructurizeCFGPass();
(void) llvm::createConstantMergePass();
(void) llvm::createConstantPropagationPass();
(void) llvm::createCostModelAnalysisPass();
(void) llvm::createDeadArgEliminationPass();
(void) llvm::createDeadCodeEliminationPass();
(void) llvm::createDeadInstEliminationPass();
(void) llvm::createDeadStoreEliminationPass();
(void) llvm::createDependenceAnalysisPass();
(void) llvm::createDomOnlyPrinterPass();
(void) llvm::createDomPrinterPass();
(void) llvm::createDomOnlyViewerPass();
(void) llvm::createDomViewerPass();
(void) llvm::createGCOVProfilerPass();
(void) llvm::createInstrProfilingPass();
(void) llvm::createFunctionInliningPass();
(void) llvm::createAlwaysInlinerPass();
(void) llvm::createGlobalDCEPass();
(void) llvm::createGlobalOptimizerPass();
(void) llvm::createGlobalsModRefPass();
(void) llvm::createIPConstantPropagationPass();
(void) llvm::createIPSCCPPass();
(void) llvm::createInductiveRangeCheckEliminationPass();
(void) llvm::createIndVarSimplifyPass();
(void) llvm::createInstructionCombiningPass();
(void) llvm::createInternalizePass();
(void) llvm::createLCSSAPass();
(void) llvm::createLICMPass();
(void) llvm::createLazyValueInfoPass();
(void) llvm::createLoopExtractorPass();
(void)llvm::createLoopInterchangePass();
(void) llvm::createLoopSimplifyPass();
(void) llvm::createLoopStrengthReducePass();
(void) llvm::createLoopRerollPass();
(void) llvm::createLoopUnrollPass();
(void) llvm::createLoopUnswitchPass();
(void) llvm::createLoopIdiomPass();
(void) llvm::createLoopRotatePass();
(void) llvm::createLowerExpectIntrinsicPass();
(void) llvm::createLowerInvokePass();
(void) llvm::createLowerSwitchPass();
(void) llvm::createNoAAPass();
(void) llvm::createObjCARCAliasAnalysisPass();
(void) llvm::createObjCARCAPElimPass();
(void) llvm::createObjCARCExpandPass();
(void) llvm::createObjCARCContractPass();
(void) llvm::createObjCARCOptPass();
(void) llvm::createPAEvalPass();
(void) llvm::createPromoteMemoryToRegisterPass();
(void) llvm::createDemoteRegisterToMemoryPass();
(void) llvm::createPruneEHPass();
(void) llvm::createPostDomOnlyPrinterPass();
(void) llvm::createPostDomPrinterPass();
(void) llvm::createPostDomOnlyViewerPass();
(void) llvm::createPostDomViewerPass();
(void) llvm::createReassociatePass();
(void) llvm::createRegionInfoPass();
(void) llvm::createRegionOnlyPrinterPass();
(void) llvm::createRegionOnlyViewerPass();
(void) llvm::createRegionPrinterPass();
(void) llvm::createRegionViewerPass();
(void) llvm::createSCCPPass();
(void) llvm::createScalarReplAggregatesPass();
(void) llvm::createSingleLoopExtractorPass();
(void) llvm::createStripSymbolsPass();
(void) llvm::createStripNonDebugSymbolsPass();
(void) llvm::createStripDeadDebugInfoPass();
(void) llvm::createStripDeadPrototypesPass();
(void) llvm::createTailCallEliminationPass();
(void) llvm::createJumpThreadingPass();
(void) llvm::createUnifyFunctionExitNodesPass();
(void) llvm::createInstCountPass();
(void) llvm::createConstantHoistingPass();
(void) llvm::createCodeGenPreparePass();
(void) llvm::createEarlyCSEPass();
(void) llvm::createMergedLoadStoreMotionPass();
(void) llvm::createGVNPass();
(void) llvm::createMemCpyOptPass();
(void) llvm::createLoopDeletionPass();
(void) llvm::createPostDomTree();
(void) llvm::createInstructionNamerPass();
(void) llvm::createMetaRenamerPass();
(void) llvm::createFunctionAttrsPass();
(void) llvm::createMergeFunctionsPass();
(void) llvm::createPrintModulePass(*(llvm::raw_ostream*)nullptr);
(void) llvm::createPrintFunctionPass(*(llvm::raw_ostream*)nullptr);
(void) llvm::createPrintBasicBlockPass(*(llvm::raw_ostream*)nullptr);
(void) llvm::createModuleDebugInfoPrinterPass();
(void) llvm::createPartialInliningPass();
(void) llvm::createLintPass();
(void) llvm::createSinkingPass();
(void) llvm::createLowerAtomicPass();
(void) llvm::createCorrelatedValuePropagationPass();
(void) llvm::createMemDepPrinter();
(void) llvm::createInstructionSimplifierPass();
(void) llvm::createLoopVectorizePass();
(void) llvm::createSLPVectorizerPass();
(void) llvm::createBBVectorizePass();
(void) llvm::createPartiallyInlineLibCallsPass();
(void) llvm::createScalarizerPass();
(void) llvm::createSeparateConstOffsetFromGEPPass();
(void) llvm::createRewriteSymbolsPass();
(void) llvm::createStraightLineStrengthReducePass();
(void) llvm::createMemDerefPrinter();
(void) llvm::createFloat2IntPass();
(void)new llvm::IntervalPartition();
(void)new llvm::ScalarEvolution();
((llvm::Function*)nullptr)->viewCFGOnly();
llvm::RGPassManager RGM;
((llvm::RegionPass*)nullptr)->runOnRegion((llvm::Region*)nullptr, RGM);
llvm::AliasSetTracker X(*(llvm::AliasAnalysis*)nullptr);
X.add(nullptr, 0, llvm::AAMDNodes()); // for -print-alias-sets
}
} ForcePassLinking; // Force link by creating a global definition.
}
#endif