[llvm-commits] [llvm] r131827 - in /llvm/trunk: include/llvm/Support/StandardPasses.h lib/VMCore/CMakeLists.txt lib/VMCore/StandardPasses.cpp
Chris Lattner
sabre at nondot.org
Sat May 21 17:30:46 PDT 2011
Author: lattner
Date: Sat May 21 19:30:45 2011
New Revision: 131827
URL: http://llvm.org/viewvc/llvm-project?rev=131827&view=rev
Log:
remove StandardPasses, it has been replaced with PassManagerBuilder
Removed:
llvm/trunk/include/llvm/Support/StandardPasses.h
llvm/trunk/lib/VMCore/StandardPasses.cpp
Modified:
llvm/trunk/lib/VMCore/CMakeLists.txt
Removed: llvm/trunk/include/llvm/Support/StandardPasses.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Support/StandardPasses.h?rev=131826&view=auto
==============================================================================
--- llvm/trunk/include/llvm/Support/StandardPasses.h (original)
+++ llvm/trunk/include/llvm/Support/StandardPasses.h (removed)
@@ -1,403 +0,0 @@
-//===-- llvm/Support/StandardPasses.h - Standard pass lists -----*- 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 utility functions for creating a "standard" set of
-// optimization passes, so that compilers and tools which use optimization
-// passes use the same set of standard passes.
-//
-// These are implemented as inline functions so that we do not have to worry
-// about link issues.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_SUPPORT_STANDARDPASSES_H
-#define LLVM_SUPPORT_STANDARDPASSES_H
-
-#include "llvm/PassManager.h"
-#include "llvm/DefaultPasses.h"
-#include "llvm/Analysis/Passes.h"
-#include "llvm/Analysis/Verifier.h"
-#include "llvm/Transforms/Scalar.h"
-#include "llvm/Transforms/IPO.h"
-
-namespace llvm {
- //template<Pass*(*X)(void)> static Pass *CreatePassFn(void) { return X(); }
-
- /// RegisterStandardPassLists solves a circular dependency problem. The
- /// default list of passes has to live somewhere. It can't live in the core
- /// modules, because these don't link to the libraries that actually define
- /// the passes. It's in this header, so that a copy is created in every
- /// library that requests the default set, while still allowing plugins to
- /// register new passes without requiring them to link anything more than
- /// VMCore.
- class RegisterStandardPassLists {
- public:
- RegisterStandardPassLists() {
- StandardPass::RegisterDefaultPasses = RegisterStandardPassList;
- StandardPass::CreateVerifierPass = CreateVerifierPass;
- }
- private:
- /// Define a set of function overloads that does the casting for us, so
- /// that we can perform safe function pointer casts, but catch unsafe ones.
- PassInfo::NormalCtor_t static CreatePassFn(llvm::ImmutablePass*(*X)(void)) {
- return reinterpret_cast<PassInfo::NormalCtor_t>(X);
- }
- PassInfo::NormalCtor_t static CreatePassFn(llvm::ModulePass*(*X)(void)) {
- return reinterpret_cast<PassInfo::NormalCtor_t>(X);
- }
- PassInfo::NormalCtor_t static CreatePassFn(llvm::FunctionPass*(*X)(void)) {
- return reinterpret_cast<PassInfo::NormalCtor_t>(X);
- }
- PassInfo::NormalCtor_t static CreatePassFn(llvm::Pass*(*X)(void)) {
- return reinterpret_cast<PassInfo::NormalCtor_t>(X);
- }
-
- static llvm::Pass *CreateVerifierPass() { return createVerifierPass(); }
- /// Passes must be registered with functions that take no arguments, so we have
- /// to wrap their existing constructors.
- static Pass *createScalarReplAggregatesPass(void) {
- return llvm::createScalarReplAggregatesPass();
- }
- static Pass *createSSAScalarReplAggregatesPass(void) {
- return llvm::createScalarReplAggregatesPass(-1, false);
- }
- static Pass *createDefaultLoopUnswitchPass(void) {
- return createLoopUnswitchPass(false);
- }
- static Pass *createSizeOptimizingLoopUnswitchPass(void) {
- return createLoopUnswitchPass(true);
- }
- static Pass *createArgumentPromotionPass(void) {
- return llvm::createArgumentPromotionPass();
- }
- static Pass *createLoopUnrollPass(void) {
- return llvm::createLoopUnrollPass();
- }
- static Pass *createGVNPass(void) {
- return llvm::createGVNPass();
- }
- static void RegisterStandardPassList(void) {
- // Standard alias analysis passes
-
- // Add TypeBasedAliasAnalysis before BasicAliasAnalysis so that
- // BasicAliasAnalysis wins if they disagree. This is intended to help
- // support "obvious" type-punning idioms.
-#define DEFAULT_ALIAS_ANALYSIS_PASS(pass, flags)\
- StandardPass::RegisterDefaultPass(\
- CreatePassFn(create ## pass ## Pass),\
- &DefaultStandardPasses::pass ## ID, (unsigned char*)0, StandardPass::AliasAnalysis, flags)
- DEFAULT_ALIAS_ANALYSIS_PASS(TypeBasedAliasAnalysis, 0);
- DEFAULT_ALIAS_ANALYSIS_PASS(BasicAliasAnalysis, 0);
-#undef DEFAULT_ALIAS_ANALYSIS_PASS
-
-#define DEFAULT_FUNCTION_PASS(pass, flags)\
- StandardPass::RegisterDefaultPass(\
- CreatePassFn(create ## pass ## Pass),\
- &DefaultStandardPasses::pass ## ID, 0, StandardPass::Function, flags)
- DEFAULT_FUNCTION_PASS(CFGSimplification,
- StandardPass::OptimzationFlags(1));
- DEFAULT_FUNCTION_PASS(ScalarReplAggregates,
- StandardPass::OptimzationFlags(1));
- DEFAULT_FUNCTION_PASS(EarlyCSE, StandardPass::OptimzationFlags(1));
-#undef DEFAULT_FUNCTION_PASS
-
-#define DEFAULT_MODULE_PASS(pass, flags)\
- StandardPass::RegisterDefaultPass(\
- CreatePassFn(create ## pass ## Pass),\
- &DefaultStandardPasses::pass ## ID, 0, StandardPass::Module, flags)
- // Optimize out global vars
- DEFAULT_MODULE_PASS(GlobalOptimizer,
- StandardPass::OptimzationFlags(0, 0, StandardPass::UnitAtATime));
- // IP SCCP
- DEFAULT_MODULE_PASS(IPSCCP,
- StandardPass::OptimzationFlags(0, 0, StandardPass::UnitAtATime));
- // Dead argument elimination
- DEFAULT_MODULE_PASS(DeadArgElimination,
- StandardPass::OptimzationFlags(0, 0, StandardPass::UnitAtATime));
- // Clean up after IPCP & DAE
- DEFAULT_MODULE_PASS(InstructionCombining,
- StandardPass::OptimzationFlags(0, 0, StandardPass::UnitAtATime));
- // Clean up after IPCP & DAE
- DEFAULT_MODULE_PASS(CFGSimplification,
- StandardPass::OptimzationFlags(0, 0, StandardPass::UnitAtATime));
-
- // Remove dead EH info
- DEFAULT_MODULE_PASS(PruneEH, StandardPass::OptimzationFlags(0, 0,
- StandardPass::UnitAtATime | StandardPass::HaveExceptions));
- // Placeholder that will be replaced by an inliner if one is specified
- StandardPass::RegisterDefaultPass(0,
- &DefaultStandardPasses::InlinerPlaceholderID, 0,
- StandardPass::Module);
- // Set readonly/readnone attrs
- DEFAULT_MODULE_PASS(FunctionAttrs, StandardPass::OptimzationFlags(0, 0,
- StandardPass::UnitAtATime));
- // Scalarize uninlined fn args
- DEFAULT_MODULE_PASS(ArgumentPromotion, StandardPass::OptimzationFlags(3));
- // Start of function pass.
- // Break up aggregate allocas, using SSAUpdater.
- StandardPass::RegisterDefaultPass(
- CreatePassFn(createSSAScalarReplAggregatesPass),
- &DefaultStandardPasses::ScalarReplAggregatesID, 0,
- StandardPass::Module, 0);
- // Catch trivial redundancies
- DEFAULT_MODULE_PASS(EarlyCSE, 0);
- // Library Call Optimizations
- DEFAULT_MODULE_PASS(SimplifyLibCalls,
- StandardPass::OptimzationFlags(0, 0, StandardPass::SimplifyLibCalls));
- // Thread jumps
- DEFAULT_MODULE_PASS(JumpThreading, 0);
- // Propagate conditionals
- DEFAULT_MODULE_PASS(CorrelatedValuePropagation, 0);
- // Merge & remove BBs
- DEFAULT_MODULE_PASS(CFGSimplification, 0);
- // Combine silly seq's
- DEFAULT_MODULE_PASS(InstructionCombining, 0);
- // Eliminate tail calls
- DEFAULT_MODULE_PASS(TailCallElimination, 0);
- // Merge & remove BBs
- DEFAULT_MODULE_PASS(CFGSimplification, 0);
- // Reassociate expressions
- DEFAULT_MODULE_PASS(Reassociate, 0);
- // Rotate Loop
- DEFAULT_MODULE_PASS(LoopRotate, 0);
- // Hoist loop invariants
- DEFAULT_MODULE_PASS(LICM, 0);
- // Optimize for size if the optimzation level is 0-2
- StandardPass::RegisterDefaultPass(
- CreatePassFn(createSizeOptimizingLoopUnswitchPass),
- &DefaultStandardPasses::LoopUnswitchID, 0,
- StandardPass::Module,
- StandardPass::OptimzationFlags(0, 2));
- // Optimize for size if the optimzation level is >2, and OptimizeSize is
- // set
- StandardPass::RegisterDefaultPass(
- CreatePassFn(createSizeOptimizingLoopUnswitchPass),
- &DefaultStandardPasses::LoopUnswitchID, 0,
- StandardPass::Module,
- StandardPass::OptimzationFlags(3, 0, StandardPass::OptimizeSize));
- // Don't optimize for size if optimisation level is >2 and OptimizeSize
- // is not set
- StandardPass::RegisterDefaultPass(
- CreatePassFn(createDefaultLoopUnswitchPass),
- &DefaultStandardPasses::LoopUnswitchID, 0,
- StandardPass::Module,
- StandardPass::OptimzationFlags(3, 0, 0, StandardPass::OptimizeSize));
- DEFAULT_MODULE_PASS(InstructionCombining, 0);
- // Canonicalize indvars
- DEFAULT_MODULE_PASS(IndVarSimplify, 0);
- // Recognize idioms like memset.
- DEFAULT_MODULE_PASS(LoopIdiom, 0);
- // Delete dead loops
- DEFAULT_MODULE_PASS(LoopDeletion, 0);
- // Unroll small loops
- DEFAULT_MODULE_PASS(LoopUnroll,
- StandardPass::OptimzationFlags(0, 0, StandardPass::UnrollLoops));
- // Remove redundancies
- DEFAULT_MODULE_PASS(GVN, StandardPass::OptimzationFlags(2));
- // Remove memcpy / form memset
- DEFAULT_MODULE_PASS(MemCpyOpt, 0);
- // Constant prop with SCCP
- DEFAULT_MODULE_PASS(SCCP, 0);
-
- // Run instcombine after redundancy elimination to exploit opportunities
- // opened up by them.
- DEFAULT_MODULE_PASS(InstructionCombining, 0);
- // Thread jumps
- DEFAULT_MODULE_PASS(JumpThreading, 0);
- DEFAULT_MODULE_PASS(CorrelatedValuePropagation, 0);
- // Delete dead stores
- DEFAULT_MODULE_PASS(DeadStoreElimination, 0);
- // Delete dead instructions
- DEFAULT_MODULE_PASS(AggressiveDCE, 0);
- // Merge & remove BBs
- DEFAULT_MODULE_PASS(CFGSimplification, 0);
- // Clean up after everything.
- DEFAULT_MODULE_PASS(InstructionCombining, 0);
-
- // Get rid of dead prototypes
- DEFAULT_MODULE_PASS(StripDeadPrototypes,
- StandardPass::OptimzationFlags(0, 0, StandardPass::UnitAtATime));
- // Eliminate dead types
- DEFAULT_MODULE_PASS(DeadTypeElimination,
- StandardPass::OptimzationFlags(0, 0, StandardPass::UnitAtATime));
-
- // GlobalOpt already deletes dead functions and globals, at -O3 try a
- // late pass of GlobalDCE. It is capable of deleting dead cycles.
- // Remove dead fns and globals.
- DEFAULT_MODULE_PASS(GlobalDCE,
- StandardPass::OptimzationFlags(3, 0, StandardPass::UnitAtATime));
- // Merge dup global constants
- DEFAULT_MODULE_PASS(ConstantMerge,
- StandardPass::OptimzationFlags(2, 0, StandardPass::UnitAtATime));
-#undef DEFAULT_MODULE_PASS
-
-#define DEFAULT_LTO_PASS(pass, flags)\
- StandardPass::RegisterDefaultPass(\
- CreatePassFn(create ## pass ## Pass),\
- &DefaultStandardPasses::pass ## ID, 0, StandardPass::LTO, flags)
-
- // LTO passes
-
- // Propagate constants at call sites into the functions they call. This
- // opens opportunities for globalopt (and inlining) by substituting function
- // pointers passed as arguments to direct uses of functions.
- DEFAULT_LTO_PASS(IPSCCP, 0);
-
- // Now that we internalized some globals, see if we can hack on them!
- DEFAULT_LTO_PASS(GlobalOptimizer, 0);
-
- // Linking modules together can lead to duplicated global constants, only
- // keep one copy of each constant...
- DEFAULT_LTO_PASS(ConstantMerge, 0);
-
- // Remove unused arguments from functions...
- DEFAULT_LTO_PASS(DeadArgElimination, 0);
-
- // Reduce the code after globalopt and ipsccp. Both can open up significant
- // simplification opportunities, and both can propagate functions through
- // function pointers. When this happens, we often have to resolve varargs
- // calls, etc, so let instcombine do this.
- DEFAULT_LTO_PASS(InstructionCombining, 0);
-
- // Inline small functions
- DEFAULT_LTO_PASS(FunctionInlining,
- StandardPass::OptimzationFlags(0, 0xf, StandardPass::RunInliner));
- // Remove dead EH info.
- DEFAULT_LTO_PASS(PruneEH, 0);
- // Optimize globals again if we ran the inliner.
- DEFAULT_LTO_PASS(GlobalOptimizer,
- StandardPass::OptimzationFlags(0, 0xf, StandardPass::RunInliner));
- DEFAULT_LTO_PASS(GlobalDCE, 0);
-
- // If we didn't decide to inline a function, check to see if we can
- // transform it to pass arguments by value instead of by reference.
- DEFAULT_LTO_PASS(ArgumentPromotion, 0);
-
- // The IPO passes may leave cruft around. Clean up after them.
- DEFAULT_LTO_PASS(InstructionCombining, 0);
- DEFAULT_LTO_PASS(JumpThreading, 0);
- // Break up allocas
- DEFAULT_LTO_PASS(ScalarReplAggregates, 0);
-
- // Run a few AA driven optimizations here and now, to cleanup the code.
- // Add nocapture.
- DEFAULT_LTO_PASS(FunctionAttrs, 0);
- // IP alias analysis.
- DEFAULT_LTO_PASS(GlobalsModRef, 0);
-
- // Hoist loop invariants.
- DEFAULT_LTO_PASS(LICM, 0);
- // Remove redundancies.
- DEFAULT_LTO_PASS(GVN, 0);
- // Remove dead memcpys.
- DEFAULT_LTO_PASS(MemCpyOpt, 0);
- // Nuke dead stores.
- DEFAULT_LTO_PASS(DeadStoreElimination, 0);
-
- // Cleanup and simplify the code after the scalar optimizations.
- DEFAULT_LTO_PASS(InstructionCombining, 0);
-
- DEFAULT_LTO_PASS(JumpThreading, 0);
-
- // Delete basic blocks, which optimization passes may have killed.
- DEFAULT_LTO_PASS(CFGSimplification, 0);
-
- // Now that we have optimized the program, discard unreachable functions.
- DEFAULT_LTO_PASS(GlobalDCE, 0);
-#undef DEFAULT_LTO_PASS
- }
- };
- static RegisterStandardPassLists AutoRegister;
-
-
- static inline void createStandardAliasAnalysisPasses(PassManagerBase *PM) {
- StandardPass::AddPassesFromSet(PM, StandardPass::AliasAnalysis);
- }
-
- /// createStandardFunctionPasses - Add the standard list of function passes to
- /// the provided pass manager.
- ///
- /// \arg OptimizationLevel - The optimization level, corresponding to -O0,
- /// -O1, etc.
- static inline void createStandardFunctionPasses(PassManagerBase *PM,
- unsigned OptimizationLevel) {
- StandardPass::AddPassesFromSet(PM, StandardPass::AliasAnalysis);
- StandardPass::AddPassesFromSet(PM, StandardPass::Function, OptimizationLevel);
- }
-
- /// createStandardModulePasses - Add the standard list of module passes to the
- /// provided pass manager.
- ///
- /// \arg OptimizationLevel - The optimization level, corresponding to -O0,
- /// -O1, etc.
- /// \arg OptimizeSize - Whether the transformations should optimize for size.
- /// \arg UnitAtATime - Allow passes which may make global module changes.
- /// \arg UnrollLoops - Allow loop unrolling.
- /// \arg SimplifyLibCalls - Allow library calls to be simplified.
- /// \arg HaveExceptions - Whether the module may have code using exceptions.
- /// \arg InliningPass - The inlining pass to use, if any, or null. This will
- /// always be added, even at -O0.
- static inline void createStandardModulePasses(PassManagerBase *PM,
- unsigned OptimizationLevel,
- bool OptimizeSize,
- bool UnitAtATime,
- bool UnrollLoops,
- bool SimplifyLibCalls,
- bool HaveExceptions,
- Pass *InliningPass) {
- createStandardAliasAnalysisPasses(PM);
-
- // If all optimizations are disabled, just run the always-inline pass.
- if (OptimizationLevel == 0) {
- if (InliningPass)
- PM->add(InliningPass);
- return;
- }
-
- StandardPass::AddPassesFromSet(PM, StandardPass::Module,
- StandardPass::OptimzationFlags(OptimizationLevel, 0,
- (OptimizeSize ? StandardPass::OptimizeSize : 0) |
- (UnitAtATime ? StandardPass::UnitAtATime : 0) |
- (UnrollLoops ? StandardPass::UnrollLoops : 0) |
- (SimplifyLibCalls ? StandardPass::SimplifyLibCalls : 0) |
- (HaveExceptions ? StandardPass::HaveExceptions : 0)),
- false,
- InliningPass);
-
- }
-
- /// createStandardLTOPasses - Add the standard list of module passes suitable
- /// for link time optimization.
- ///
- /// Internalize - Run the internalize pass.
- /// RunInliner - Use a function inlining pass.
- /// VerifyEach - Run the verifier after each pass.
- static inline void createStandardLTOPasses(PassManagerBase *PM,
- bool Internalize,
- bool RunInliner,
- bool VerifyEach) {
- // Provide AliasAnalysis services for optimizations.
- createStandardAliasAnalysisPasses(PM);
-
- // Now that composite has been compiled, scan through the module, looking
- // for a main function. If main is defined, mark all other functions
- // internal.
- if (Internalize) {
- PM->add(createInternalizePass(true));
- if (VerifyEach)
- PM->add(createVerifierPass());
- }
-
- StandardPass::AddPassesFromSet(PM, StandardPass::LTO,
- StandardPass::OptimzationFlags(0, 0, RunInliner ?
- StandardPass::RunInliner : 0), VerifyEach);
- }
-}
-
-#endif
Modified: llvm/trunk/lib/VMCore/CMakeLists.txt
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/VMCore/CMakeLists.txt?rev=131827&r1=131826&r2=131827&view=diff
==============================================================================
--- llvm/trunk/lib/VMCore/CMakeLists.txt (original)
+++ llvm/trunk/lib/VMCore/CMakeLists.txt Sat May 21 19:30:45 2011
@@ -28,7 +28,6 @@
PassManager.cpp
PassRegistry.cpp
PrintModulePass.cpp
- StandardPasses.cpp
Type.cpp
TypeSymbolTable.cpp
Use.cpp
Removed: llvm/trunk/lib/VMCore/StandardPasses.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/VMCore/StandardPasses.cpp?rev=131826&view=auto
==============================================================================
--- llvm/trunk/lib/VMCore/StandardPasses.cpp (original)
+++ llvm/trunk/lib/VMCore/StandardPasses.cpp (removed)
@@ -1,247 +0,0 @@
-//===-- lib/Support/StandardPasses.cpp - Standard pass lists -----*- 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 utility functions for creating a "standard" set of
-// optimization passes, so that compilers and tools which use optimization
-// passes use the same set of standard passes.
-//
-// This allows the creation of multiple standard sets, and their later
-// modification by plugins and front ends.
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/PassManager.h"
-#include "llvm/Support/ErrorHandling.h"
-#include "llvm/Support/ManagedStatic.h"
-#include "llvm/DefaultPasses.h"
-#include "llvm/Support/Mutex.h"
-
-using namespace llvm::DefaultStandardPasses;
-using namespace llvm;
-
-namespace {
-
-/// Entry in the standard passes list.
-struct StandardPassEntry {
- /// Function called to create the pass
- PassInfo::NormalCtor_t createPass;
- /// Unique identifier for this pass
- unsigned char *passID;
- /// Flags specifying when this pass should be run
- unsigned flags;
-
- StandardPassEntry(PassInfo::NormalCtor_t constructor, unsigned char *ID,
- unsigned f) : createPass(constructor), passID(ID), flags(f) {}
-};
-
-/// Standard alias analysis passes
-static llvm::SmallVector<StandardPassEntry, 4> AAPasses;
-/// Standard function passes
-static llvm::SmallVector<StandardPassEntry, 32> FunctionPasses;
-/// Standard module passes
-static llvm::SmallVector<StandardPassEntry, 32> ModulePasses;
-/// Standard link-time optimization passes
-static llvm::SmallVector<StandardPassEntry, 32> LTOPasses;
-
-/// Entry in the unresolved standard pass list. IF a pass is inserted in front
-/// of a pass that is not yet registered in the standard pass list then it is
-/// stored in a separate list and resolved later.
-struct UnresolvedStandardPass : public StandardPassEntry {
- /// The set into which this is stored
- StandardPass::StandardSet set;
- /// The unique ID of the pass that should follow this one in the sequence
- unsigned char *next;
- UnresolvedStandardPass(PassInfo::NormalCtor_t constructor,
- unsigned char *newPass,
- unsigned char *oldPass,
- StandardPass::StandardSet s,
- unsigned f) :
- StandardPassEntry(constructor, newPass, f), set(s), next(oldPass) {}
-};
-
-/// The passes that can not be inserted into the correct lists yet because of
-/// their place in the sequence.
-static llvm::SmallVector<UnresolvedStandardPass, 16> UnresolvedPasses;
-
-/// Returns a reference to the pass list for the corresponding set of
-/// optimisations.
-llvm::SmallVectorImpl<StandardPassEntry>&
-PassList(StandardPass::StandardSet set) {
- switch (set) {
- case StandardPass::AliasAnalysis: return AAPasses;
- case StandardPass::Function: return FunctionPasses;
- case StandardPass::Module: return ModulePasses;
- case StandardPass::LTO: return LTOPasses;
- }
- // We could use a map of standard pass lists to allow definition of new
- // default sets
- llvm_unreachable("Invalid standard optimization set requested");
-}
-
-static ManagedStatic<sys::SmartMutex<true> > Lock;
-
-/// Registers the default set of standard passes. This is called lazily when
-/// an attempt is made to read or modify the standard pass list
-void RegisterDefaultStandardPasses(void(*doRegister)(void)) {
- // Only initialize the standard passes once
- static volatile bool initialized = false;
- if (initialized) return;
-
- llvm::sys::SmartScopedLock<true> Guard(*Lock);
- if (initialized) return;
- if (doRegister) {
- assert("No passes registered before setting default passes" &&
- AAPasses.size() == 0 &&
- FunctionPasses.size() == 0 &&
- LTOPasses.size() == 0 &&
- ModulePasses.size() == 0);
-
- // We must set initialized to true before calling this function, because
- // the doRegister() function will probably call RegisterDefaultPasses(),
- // which will call this function, and we'd end up with infinite recursion
- // and breakage if we didn't.
- initialized = true;
- doRegister();
- }
-}
-
-} // Anonymous namespace
-
-void (*StandardPass::RegisterDefaultPasses)(void);
-Pass* (*StandardPass::CreateVerifierPass)(void);
-
-void StandardPass::RegisterDefaultPass(PassInfo::NormalCtor_t constructor,
- unsigned char *newPass,
- unsigned char *oldPass,
- StandardPass::StandardSet set,
- unsigned flags) {
- // Make sure that the standard sets are already regstered
- RegisterDefaultStandardPasses(RegisterDefaultPasses);
- // Get the correct list to modify
- llvm::SmallVectorImpl<StandardPassEntry>& passList = PassList(set);
-
- // If there is no old pass specified, then we are adding a new final pass, so
- // just push it onto the end.
- if (!oldPass) {
- StandardPassEntry pass(constructor, newPass, flags);
- passList.push_back(pass);
- return;
- }
-
- // Find the correct place to insert the pass. This is a linear search, but
- // this shouldn't be too slow since the SmallVector will store the values in
- // a contiguous block of memory. Each entry is just three words of memory, so
- // in most cases we are only going to be looking in one or two cache lines.
- // The extra memory accesses from a more complex search structure would
- // offset any performance gain (unless someone decides to add an insanely
- // large set of standard passes to a set)
- for (SmallVectorImpl<StandardPassEntry>::iterator i=passList.begin(),
- e=passList.end() ; i!=e ; ++i) {
- if (i->passID == oldPass) {
- StandardPassEntry pass(constructor, newPass, flags);
- passList.insert(i, pass);
- // If we've added a new pass, then there may have gained the ability to
- // insert one of the previously unresolved ones. If so, insert the new
- // one.
- for (SmallVectorImpl<UnresolvedStandardPass>::iterator
- u=UnresolvedPasses.begin(), eu=UnresolvedPasses.end() ; u!=eu ; ++u){
- if (u->next == newPass && u->set == set) {
- UnresolvedStandardPass p = *u;
- UnresolvedPasses.erase(u);
- RegisterDefaultPass(p.createPass, p.passID, p.next, p.set, p.flags);
- }
- }
- return;
- }
- }
- // If we get to here, then we didn't find the correct place to insert the new
- // pass
- UnresolvedStandardPass pass(constructor, newPass, oldPass, set, flags);
- UnresolvedPasses.push_back(pass);
-}
-
-void StandardPass::AddPassesFromSet(PassManagerBase *PM,
- StandardSet set,
- unsigned flags,
- bool VerifyEach,
- Pass *inliner) {
- RegisterDefaultStandardPasses(RegisterDefaultPasses);
- unsigned level = OptimizationLevel(flags);
- flags = RequiredFlags(flags);
- llvm::SmallVectorImpl<StandardPassEntry>& passList = PassList(set);
-
- // Add all of the passes from this set
- for (SmallVectorImpl<StandardPassEntry>::iterator i=passList.begin(),
- e=passList.end() ; i!=e ; ++i) {
- // Skip passes that don't have conditions that match the ones specified
- // here. For a pass to match:
- // - Its minimum optimisation level must be less than or equal to the
- // specified level.
- // - Its maximum optimisation level must be greater than or equal to the
- // specified level
- // - All of its required flags must be set
- // - None of its disallowed flags may be set
- if ((level >= OptimizationLevel(i->flags)) &&
- ((level <= MaxOptimizationLevel(i->flags))
- || MaxOptimizationLevel(i->flags) == 0) &&
- ((RequiredFlags(i->flags) & flags) == RequiredFlags(i->flags)) &&
- ((DisallowedFlags(i->flags) & flags) == 0)) {
- // This is quite an ugly way of allowing us to specify an inliner pass to
- // insert. Ideally, we'd replace this with a general mechanism allowing
- // callers to replace arbitrary passes in the list.
- Pass *p = 0;
- if (&InlinerPlaceholderID == i->passID) {
- p = inliner;
- } else if (i->createPass)
- p = i->createPass();
- if (p) {
- PM->add(p);
- if (VerifyEach)
- PM->add(CreateVerifierPass());
- }
- }
- }
-}
-
-unsigned char DefaultStandardPasses::AggressiveDCEID;
-unsigned char DefaultStandardPasses::ArgumentPromotionID;
-unsigned char DefaultStandardPasses::BasicAliasAnalysisID;
-unsigned char DefaultStandardPasses::CFGSimplificationID;
-unsigned char DefaultStandardPasses::ConstantMergeID;
-unsigned char DefaultStandardPasses::CorrelatedValuePropagationID;
-unsigned char DefaultStandardPasses::DeadArgEliminationID;
-unsigned char DefaultStandardPasses::DeadStoreEliminationID;
-unsigned char DefaultStandardPasses::DeadTypeEliminationID;
-unsigned char DefaultStandardPasses::EarlyCSEID;
-unsigned char DefaultStandardPasses::FunctionAttrsID;
-unsigned char DefaultStandardPasses::FunctionInliningID;
-unsigned char DefaultStandardPasses::GVNID;
-unsigned char DefaultStandardPasses::GlobalDCEID;
-unsigned char DefaultStandardPasses::GlobalOptimizerID;
-unsigned char DefaultStandardPasses::GlobalsModRefID;
-unsigned char DefaultStandardPasses::IPSCCPID;
-unsigned char DefaultStandardPasses::IndVarSimplifyID;
-unsigned char DefaultStandardPasses::InlinerPlaceholderID;
-unsigned char DefaultStandardPasses::InstructionCombiningID;
-unsigned char DefaultStandardPasses::JumpThreadingID;
-unsigned char DefaultStandardPasses::LICMID;
-unsigned char DefaultStandardPasses::LoopDeletionID;
-unsigned char DefaultStandardPasses::LoopIdiomID;
-unsigned char DefaultStandardPasses::LoopRotateID;
-unsigned char DefaultStandardPasses::LoopUnrollID;
-unsigned char DefaultStandardPasses::LoopUnswitchID;
-unsigned char DefaultStandardPasses::MemCpyOptID;
-unsigned char DefaultStandardPasses::PruneEHID;
-unsigned char DefaultStandardPasses::ReassociateID;
-unsigned char DefaultStandardPasses::SCCPID;
-unsigned char DefaultStandardPasses::ScalarReplAggregatesID;
-unsigned char DefaultStandardPasses::SimplifyLibCallsID;
-unsigned char DefaultStandardPasses::StripDeadPrototypesID;
-unsigned char DefaultStandardPasses::TailCallEliminationID;
-unsigned char DefaultStandardPasses::TypeBasedAliasAnalysisID;
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