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diff --git a/include/llvm/DefaultPasses.h b/include/llvm/DefaultPasses.h
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-//===- llvm/DefaultPasses.h - Default Pass Support code --------*- C++ -*-===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-// This file defines the infrastructure for registering the standard pass list.
-// This defines sets of standard optimizations that plugins can modify and
-// front ends can use.
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_DEFAULT_PASS_SUPPORT_H
-#define LLVM_DEFAULT_PASS_SUPPORT_H
-
-#include "llvm/PassSupport.h"
-
-namespace llvm {
-
-class PassManagerBase;
-
-/// Unique identifiers for the default standard passes. The addresses of
-/// these symbols are used to uniquely identify passes from the default list.
-namespace DefaultStandardPasses {
-extern unsigned char AggressiveDCEID;
-extern unsigned char ArgumentPromotionID;
-extern unsigned char BasicAliasAnalysisID;
-extern unsigned char CFGSimplificationID;
-extern unsigned char ConstantMergeID;
-extern unsigned char CorrelatedValuePropagationID;
-extern unsigned char DeadArgEliminationID;
-extern unsigned char DeadStoreEliminationID;
-extern unsigned char EarlyCSEID;
-extern unsigned char FunctionAttrsID;
-extern unsigned char FunctionInliningID;
-extern unsigned char GVNID;
-extern unsigned char GlobalDCEID;
-extern unsigned char GlobalOptimizerID;
-extern unsigned char GlobalsModRefID;
-extern unsigned char IPSCCPID;
-extern unsigned char IndVarSimplifyID;
-extern unsigned char InlinerPlaceholderID;
-extern unsigned char InstructionCombiningID;
-extern unsigned char JumpThreadingID;
-extern unsigned char LICMID;
-extern unsigned char LoopDeletionID;
-extern unsigned char LoopIdiomID;
-extern unsigned char LoopRotateID;
-extern unsigned char LoopUnrollID;
-extern unsigned char LoopUnswitchID;
-extern unsigned char MemCpyOptID;
-extern unsigned char PruneEHID;
-extern unsigned char ReassociateID;
-extern unsigned char SCCPID;
-extern unsigned char ScalarReplAggregatesID;
-extern unsigned char SimplifyLibCallsID;
-extern unsigned char StripDeadPrototypesID;
-extern unsigned char TailCallEliminationID;
-extern unsigned char TypeBasedAliasAnalysisID;
-}
-
-/// StandardPass - The class responsible for maintaining the lists of standard
-class StandardPass {
- friend class RegisterStandardPassLists;
- public:
- /// Predefined standard sets of passes
- enum StandardSet {
- AliasAnalysis,
- Function,
- Module,
- LTO
- };
- /// Flags to specify whether a pass should be enabled. Passes registered
- /// with the standard sets may specify a minimum optimization level and one
- /// or more flags that must be set when constructing the set for the pass to
- /// be used.
- enum OptimizationFlags {
- /// Optimize for size was requested.
- OptimizeSize = 1<<0,
- /// Allow passes which may make global module changes.
- UnitAtATime = 1<<1,
- /// UnrollLoops - Allow loop unrolling.
- UnrollLoops = 1<<2,
- /// Allow library calls to be simplified.
- SimplifyLibCalls = 1<<3,
- /// Whether the module may have code using exceptions.
- HaveExceptions = 1<<4,
- // Run an inliner pass as part of this set.
- RunInliner = 1<<5
- };
- enum OptimizationFlagComponents {
- /// The low bits are used to store the optimization level. When requesting
- /// passes, this should store the requested optimisation level. When
- /// setting passes, this should set the minimum optimization level at which
- /// the pass will run.
- OptimizationLevelMask=0xf,
- /// The maximum optimisation level at which the pass is run.
- MaxOptimizationLevelMask=0xf0,
- // Flags that must be set
- RequiredFlagMask=0xff00,
- // Flags that may not be set.
- DisallowedFlagMask=0xff0000,
- MaxOptimizationLevelShift=4,
- RequiredFlagShift=8,
- DisallowedFlagShift=16
- };
- /// Returns the optimisation level from a set of flags.
- static unsigned OptimizationLevel(unsigned flags) {
- return flags & OptimizationLevelMask;
- }
- /// Returns the maximum optimization level for this set of flags
- static unsigned MaxOptimizationLevel(unsigned flags) {
- return (flags & MaxOptimizationLevelMask) >> 4;
- }
- /// Constructs a set of flags from the specified minimum and maximum
- /// optimisation level
- static unsigned OptimzationFlags(unsigned minLevel=0, unsigned maxLevel=0xf,
- unsigned requiredFlags=0, unsigned disallowedFlags=0) {
- return ((minLevel & OptimizationLevelMask) |
- ((maxLevel<<MaxOptimizationLevelShift) & MaxOptimizationLevelMask)
- | ((requiredFlags<<RequiredFlagShift) & RequiredFlagMask)
- | ((disallowedFlags<<DisallowedFlagShift) & DisallowedFlagMask));
- }
- /// Returns the flags that must be set for this to match
- static unsigned RequiredFlags(unsigned flags) {
- return (flags & RequiredFlagMask) >> RequiredFlagShift;
- }
- /// Returns the flags that must not be set for this to match
- static unsigned DisallowedFlags(unsigned flags) {
- return (flags & DisallowedFlagMask) >> DisallowedFlagShift;
- }
- /// Register a standard pass in the specified set. If flags is non-zero,
- /// then the pass will only be returned when the specified flags are set.
- template<typename passName>
- class RegisterStandardPass {
- public:
- RegisterStandardPass(StandardSet set, unsigned char *runBefore=0,
- unsigned flags=0, unsigned char *ID=0) {
- // Use the pass's ID if one is not specified
- RegisterDefaultPass(PassInfo::NormalCtor_t(callDefaultCtor<passName>),
- ID ? ID : (unsigned char*)&passName::ID, runBefore, set, flags);
- }
- };
- /// Adds the passes from the specified set to the provided pass manager
- static void AddPassesFromSet(PassManagerBase *PM,
- StandardSet set,
- unsigned flags=0,
- bool VerifyEach=false,
- Pass *inliner=0);
- private:
- /// Registers the default passes. This is set by RegisterStandardPassLists
- /// and is called lazily.
- static void (*RegisterDefaultPasses)(void);
- /// Creates the verifier pass that is inserted when a VerifyEach is passed to
- /// AddPassesFromSet()
- static Pass* (*CreateVerifierPass)(void);
- /// Registers the pass
- static void RegisterDefaultPass(PassInfo::NormalCtor_t constructor,
- unsigned char *newPass,
- unsigned char *oldPass,
- StandardSet set,
- unsigned flags=0);
-};
-
-} // namespace llvm
-
-#endif