+++ /dev/null
-//===-- llvm/Support/PassManagerBuilder.h - Build Standard Pass -*- 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 PassManagerBuilder class, which is used to set up a
-// "standard" optimization sequence suitable for languages like C and C++.
-//
-// These are implemented as inline functions so that we do not have to worry
-// about link issues.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_SUPPORT_PASSMANAGERBUILDER_H
-#define LLVM_SUPPORT_PASSMANAGERBUILDER_H
-
-#include "llvm/PassManager.h"
-#include "llvm/DefaultPasses.h"
-#include "llvm/Analysis/Passes.h"
-#include "llvm/Analysis/Verifier.h"
-#include "llvm/Target/TargetLibraryInfo.h"
-#include "llvm/Transforms/Scalar.h"
-#include "llvm/Transforms/IPO.h"
-
-namespace llvm {
-
-/// PassManagerBuilder - This class is used to set up a standard optimization
-/// sequence for languages like C and C++, allowing some APIs to customize the
-/// pass sequence in various ways. A simple example of using it would be:
-///
-/// PassManagerBuilder Builder;
-/// Builder.OptLevel = 2;
-/// Builder.populateFunctionPassManager(FPM);
-/// Builder.populateModulePassManager(MPM);
-///
-/// In addition to setting up the basic passes, PassManagerBuilder allows
-/// frontends to vend a plugin API, where plugins are allowed to add extensions
-/// to the default pass manager. They do this by specifying where in the pass
-/// pipeline they want to be added, along with a callback function that adds
-/// the pass(es). For example, a plugin that wanted to add a loop optimization
-/// could do something like this:
-///
-/// static void addMyLoopPass(const PMBuilder &Builder, PassManagerBase &PM) {
-/// if (Builder.getOptLevel() > 2 && Builder.getOptSizeLevel() == 0)
-/// PM.add(createMyAwesomePass());
-/// }
-/// ...
-/// Builder.addExtension(PassManagerBuilder::EP_LoopOptimizerEnd,
-/// addMyLoopPass);
-/// ...
-class PassManagerBuilder {
-public:
-
- /// Extensions are passed the builder itself (so they can see how it is
- /// configured) as well as the pass manager to add stuff to.
- typedef void (*ExtensionFn)(const PassManagerBuilder &Builder,
- PassManagerBase &PM);
- enum ExtensionPointTy {
- /// EP_EarlyAsPossible - This extension point allows adding passes before
- /// any other transformations, allowing them to see the code as it is coming
- /// out of the frontend.
- EP_EarlyAsPossible,
-
- /// EP_LoopOptimizerEnd - This extension point allows adding loop passes to
- /// the end of the loop optimizer.
- EP_LoopOptimizerEnd,
-
- /// EP_ScalarOptimizerLate - This extension point allows adding optimization
- /// passes after most of the main optimizations, but before the last
- /// cleanup-ish optimizations.
- EP_ScalarOptimizerLate
- };
-
- /// The Optimization Level - Specify the basic optimization level.
- /// 0 = -O0, 1 = -O1, 2 = -O2, 3 = -O3
- unsigned OptLevel;
-
- /// SizeLevel - How much we're optimizing for size.
- /// 0 = none, 1 = -Os, 2 = -Oz
- unsigned SizeLevel;
-
- /// LibraryInfo - Specifies information about the runtime library for the
- /// optimizer. If this is non-null, it is added to both the function and
- /// per-module pass pipeline.
- TargetLibraryInfo *LibraryInfo;
-
- /// Inliner - Specifies the inliner to use. If this is non-null, it is
- /// added to the per-module passes.
- Pass *Inliner;
-
- bool DisableSimplifyLibCalls;
- bool DisableUnitAtATime;
- bool DisableUnrollLoops;
-
-private:
- /// ExtensionList - This is list of all of the extensions that are registered.
- std::vector<std::pair<ExtensionPointTy, ExtensionFn> > Extensions;
-
-public:
- PassManagerBuilder() {
- OptLevel = 2;
- SizeLevel = 0;
- LibraryInfo = 0;
- Inliner = 0;
- DisableSimplifyLibCalls = false;
- DisableUnitAtATime = false;
- DisableUnrollLoops = false;
- }
-
- ~PassManagerBuilder() {
- delete LibraryInfo;
- delete Inliner;
- }
-
- void addExtension(ExtensionPointTy Ty, ExtensionFn Fn) {
- Extensions.push_back(std::make_pair(Ty, Fn));
- }
-
-private:
- void addExtensionsToPM(ExtensionPointTy ETy, PassManagerBase &PM) const {
- for (unsigned i = 0, e = Extensions.size(); i != e; ++i)
- if (Extensions[i].first == ETy)
- Extensions[i].second(*this, PM);
- }
-
- void addInitialAliasAnalysisPasses(PassManagerBase &PM) const {
- // Add TypeBasedAliasAnalysis before BasicAliasAnalysis so that
- // BasicAliasAnalysis wins if they disagree. This is intended to help
- // support "obvious" type-punning idioms.
- PM.add(createTypeBasedAliasAnalysisPass());
- PM.add(createBasicAliasAnalysisPass());
- }
-public:
-
- /// populateFunctionPassManager - This fills in the function pass manager,
- /// which is expected to be run on each function immediately as it is
- /// generated. The idea is to reduce the size of the IR in memory.
- void populateFunctionPassManager(FunctionPassManager &FPM) {
- addExtensionsToPM(EP_EarlyAsPossible, FPM);
-
- // Add LibraryInfo if we have some.
- if (LibraryInfo) FPM.add(new TargetLibraryInfo(*LibraryInfo));
-
- if (OptLevel == 0) return;
-
- addInitialAliasAnalysisPasses(FPM);
-
- FPM.add(createCFGSimplificationPass());
- FPM.add(createScalarReplAggregatesPass());
- FPM.add(createEarlyCSEPass());
- FPM.add(createLowerExpectIntrinsicPass());
- }
-
- /// populateModulePassManager - This sets up the primary pass manager.
- void populateModulePassManager(PassManagerBase &MPM) {
- // If all optimizations are disabled, just run the always-inline pass.
- if (OptLevel == 0) {
- if (Inliner) {
- MPM.add(Inliner);
- Inliner = 0;
- }
- return;
- }
-
- // Add LibraryInfo if we have some.
- if (LibraryInfo) MPM.add(new TargetLibraryInfo(*LibraryInfo));
-
- addInitialAliasAnalysisPasses(MPM);
-
- if (!DisableUnitAtATime) {
- MPM.add(createGlobalOptimizerPass()); // Optimize out global vars
-
- MPM.add(createIPSCCPPass()); // IP SCCP
- MPM.add(createDeadArgEliminationPass()); // Dead argument elimination
-
- MPM.add(createInstructionCombiningPass());// Clean up after IPCP & DAE
- MPM.add(createCFGSimplificationPass()); // Clean up after IPCP & DAE
- }
-
- // Start of CallGraph SCC passes.
- if (!DisableUnitAtATime)
- MPM.add(createPruneEHPass()); // Remove dead EH info
- if (Inliner) {
- MPM.add(Inliner);
- Inliner = 0;
- }
- if (!DisableUnitAtATime)
- MPM.add(createFunctionAttrsPass()); // Set readonly/readnone attrs
- if (OptLevel > 2)
- MPM.add(createArgumentPromotionPass()); // Scalarize uninlined fn args
-
- // Start of function pass.
- // Break up aggregate allocas, using SSAUpdater.
- MPM.add(createScalarReplAggregatesPass(-1, false));
- MPM.add(createEarlyCSEPass()); // Catch trivial redundancies
- if (!DisableSimplifyLibCalls)
- MPM.add(createSimplifyLibCallsPass()); // Library Call Optimizations
- MPM.add(createJumpThreadingPass()); // Thread jumps.
- MPM.add(createCorrelatedValuePropagationPass()); // Propagate conditionals
- MPM.add(createCFGSimplificationPass()); // Merge & remove BBs
- MPM.add(createInstructionCombiningPass()); // Combine silly seq's
-
- MPM.add(createTailCallEliminationPass()); // Eliminate tail calls
- MPM.add(createCFGSimplificationPass()); // Merge & remove BBs
- MPM.add(createReassociatePass()); // Reassociate expressions
- MPM.add(createLoopRotatePass()); // Rotate Loop
- MPM.add(createLICMPass()); // Hoist loop invariants
- MPM.add(createLoopUnswitchPass(SizeLevel || OptLevel < 3));
- MPM.add(createInstructionCombiningPass());
- MPM.add(createIndVarSimplifyPass()); // Canonicalize indvars
- MPM.add(createLoopIdiomPass()); // Recognize idioms like memset.
- MPM.add(createLoopDeletionPass()); // Delete dead loops
- if (!DisableUnrollLoops)
- MPM.add(createLoopUnrollPass()); // Unroll small loops
- addExtensionsToPM(EP_LoopOptimizerEnd, MPM);
-
- if (OptLevel > 1)
- MPM.add(createGVNPass()); // Remove redundancies
- MPM.add(createMemCpyOptPass()); // Remove memcpy / form memset
- MPM.add(createSCCPPass()); // Constant prop with SCCP
-
- // Run instcombine after redundancy elimination to exploit opportunities
- // opened up by them.
- MPM.add(createInstructionCombiningPass());
- MPM.add(createJumpThreadingPass()); // Thread jumps
- MPM.add(createCorrelatedValuePropagationPass());
- MPM.add(createDeadStoreEliminationPass()); // Delete dead stores
-
- addExtensionsToPM(EP_ScalarOptimizerLate, MPM);
-
- MPM.add(createAggressiveDCEPass()); // Delete dead instructions
- MPM.add(createCFGSimplificationPass()); // Merge & remove BBs
- MPM.add(createInstructionCombiningPass()); // Clean up after everything.
-
- if (!DisableUnitAtATime) {
- // FIXME: We shouldn't bother with this anymore.
- MPM.add(createStripDeadPrototypesPass()); // Get rid of dead prototypes
-
- // GlobalOpt already deletes dead functions and globals, at -O3 try a
- // late pass of GlobalDCE. It is capable of deleting dead cycles.
- if (OptLevel > 2)
- MPM.add(createGlobalDCEPass()); // Remove dead fns and globals.
-
- if (OptLevel > 1)
- MPM.add(createConstantMergePass()); // Merge dup global constants
- }
- }
-
- void populateLTOPassManager(PassManagerBase &PM, bool Internalize,
- bool RunInliner) {
- // Provide AliasAnalysis services for optimizations.
- addInitialAliasAnalysisPasses(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));
-
- // 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.
- PM.add(createIPSCCPPass());
-
- // Now that we internalized some globals, see if we can hack on them!
- PM.add(createGlobalOptimizerPass());
-
- // Linking modules together can lead to duplicated global constants, only
- // keep one copy of each constant.
- PM.add(createConstantMergePass());
-
- // Remove unused arguments from functions.
- PM.add(createDeadArgEliminationPass());
-
- // 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.
- PM.add(createInstructionCombiningPass());
-
- // Inline small functions
- if (RunInliner)
- PM.add(createFunctionInliningPass());
-
- PM.add(createPruneEHPass()); // Remove dead EH info.
-
- // Optimize globals again if we ran the inliner.
- if (RunInliner)
- PM.add(createGlobalOptimizerPass());
- PM.add(createGlobalDCEPass()); // Remove dead functions.
-
- // 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.
- PM.add(createArgumentPromotionPass());
-
- // The IPO passes may leave cruft around. Clean up after them.
- PM.add(createInstructionCombiningPass());
- PM.add(createJumpThreadingPass());
- // Break up allocas
- PM.add(createScalarReplAggregatesPass());
-
- // Run a few AA driven optimizations here and now, to cleanup the code.
- PM.add(createFunctionAttrsPass()); // Add nocapture.
- PM.add(createGlobalsModRefPass()); // IP alias analysis.
-
- PM.add(createLICMPass()); // Hoist loop invariants.
- PM.add(createGVNPass()); // Remove redundancies.
- PM.add(createMemCpyOptPass()); // Remove dead memcpys.
- // Nuke dead stores.
- PM.add(createDeadStoreEliminationPass());
-
- // Cleanup and simplify the code after the scalar optimizations.
- PM.add(createInstructionCombiningPass());
-
- PM.add(createJumpThreadingPass());
-
- // Delete basic blocks, which optimization passes may have killed.
- PM.add(createCFGSimplificationPass());
-
- // Now that we have optimized the program, discard unreachable functions.
- PM.add(createGlobalDCEPass());
- }
-};
-
-
-} // end namespace llvm
-#endif
--- /dev/null
+// llvm/Transforms/IPO/PassManagerBuilder.h - Build Standard Pass -*- 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 PassManagerBuilder class, which is used to set up a
+// "standard" optimization sequence suitable for languages like C and C++.
+//
+// These are implemented as inline functions so that we do not have to worry
+// about link issues.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_SUPPORT_PASSMANAGERBUILDER_H
+#define LLVM_SUPPORT_PASSMANAGERBUILDER_H
+
+#include "llvm/PassManager.h"
+#include "llvm/DefaultPasses.h"
+#include "llvm/Analysis/Passes.h"
+#include "llvm/Analysis/Verifier.h"
+#include "llvm/Target/TargetLibraryInfo.h"
+#include "llvm/Transforms/Scalar.h"
+#include "llvm/Transforms/IPO.h"
+
+namespace llvm {
+
+/// PassManagerBuilder - This class is used to set up a standard optimization
+/// sequence for languages like C and C++, allowing some APIs to customize the
+/// pass sequence in various ways. A simple example of using it would be:
+///
+/// PassManagerBuilder Builder;
+/// Builder.OptLevel = 2;
+/// Builder.populateFunctionPassManager(FPM);
+/// Builder.populateModulePassManager(MPM);
+///
+/// In addition to setting up the basic passes, PassManagerBuilder allows
+/// frontends to vend a plugin API, where plugins are allowed to add extensions
+/// to the default pass manager. They do this by specifying where in the pass
+/// pipeline they want to be added, along with a callback function that adds
+/// the pass(es). For example, a plugin that wanted to add a loop optimization
+/// could do something like this:
+///
+/// static void addMyLoopPass(const PMBuilder &Builder, PassManagerBase &PM) {
+/// if (Builder.getOptLevel() > 2 && Builder.getOptSizeLevel() == 0)
+/// PM.add(createMyAwesomePass());
+/// }
+/// ...
+/// Builder.addExtension(PassManagerBuilder::EP_LoopOptimizerEnd,
+/// addMyLoopPass);
+/// ...
+class PassManagerBuilder {
+public:
+
+ /// Extensions are passed the builder itself (so they can see how it is
+ /// configured) as well as the pass manager to add stuff to.
+ typedef void (*ExtensionFn)(const PassManagerBuilder &Builder,
+ PassManagerBase &PM);
+ enum ExtensionPointTy {
+ /// EP_EarlyAsPossible - This extension point allows adding passes before
+ /// any other transformations, allowing them to see the code as it is coming
+ /// out of the frontend.
+ EP_EarlyAsPossible,
+
+ /// EP_LoopOptimizerEnd - This extension point allows adding loop passes to
+ /// the end of the loop optimizer.
+ EP_LoopOptimizerEnd,
+
+ /// EP_ScalarOptimizerLate - This extension point allows adding optimization
+ /// passes after most of the main optimizations, but before the last
+ /// cleanup-ish optimizations.
+ EP_ScalarOptimizerLate
+ };
+
+ /// The Optimization Level - Specify the basic optimization level.
+ /// 0 = -O0, 1 = -O1, 2 = -O2, 3 = -O3
+ unsigned OptLevel;
+
+ /// SizeLevel - How much we're optimizing for size.
+ /// 0 = none, 1 = -Os, 2 = -Oz
+ unsigned SizeLevel;
+
+ /// LibraryInfo - Specifies information about the runtime library for the
+ /// optimizer. If this is non-null, it is added to both the function and
+ /// per-module pass pipeline.
+ TargetLibraryInfo *LibraryInfo;
+
+ /// Inliner - Specifies the inliner to use. If this is non-null, it is
+ /// added to the per-module passes.
+ Pass *Inliner;
+
+ bool DisableSimplifyLibCalls;
+ bool DisableUnitAtATime;
+ bool DisableUnrollLoops;
+
+private:
+ /// ExtensionList - This is list of all of the extensions that are registered.
+ std::vector<std::pair<ExtensionPointTy, ExtensionFn> > Extensions;
+
+public:
+ PassManagerBuilder() {
+ OptLevel = 2;
+ SizeLevel = 0;
+ LibraryInfo = 0;
+ Inliner = 0;
+ DisableSimplifyLibCalls = false;
+ DisableUnitAtATime = false;
+ DisableUnrollLoops = false;
+ }
+
+ ~PassManagerBuilder() {
+ delete LibraryInfo;
+ delete Inliner;
+ }
+
+ void addExtension(ExtensionPointTy Ty, ExtensionFn Fn) {
+ Extensions.push_back(std::make_pair(Ty, Fn));
+ }
+
+private:
+ void addExtensionsToPM(ExtensionPointTy ETy, PassManagerBase &PM) const {
+ for (unsigned i = 0, e = Extensions.size(); i != e; ++i)
+ if (Extensions[i].first == ETy)
+ Extensions[i].second(*this, PM);
+ }
+
+ void addInitialAliasAnalysisPasses(PassManagerBase &PM) const {
+ // Add TypeBasedAliasAnalysis before BasicAliasAnalysis so that
+ // BasicAliasAnalysis wins if they disagree. This is intended to help
+ // support "obvious" type-punning idioms.
+ PM.add(createTypeBasedAliasAnalysisPass());
+ PM.add(createBasicAliasAnalysisPass());
+ }
+public:
+
+ /// populateFunctionPassManager - This fills in the function pass manager,
+ /// which is expected to be run on each function immediately as it is
+ /// generated. The idea is to reduce the size of the IR in memory.
+ void populateFunctionPassManager(FunctionPassManager &FPM) {
+ addExtensionsToPM(EP_EarlyAsPossible, FPM);
+
+ // Add LibraryInfo if we have some.
+ if (LibraryInfo) FPM.add(new TargetLibraryInfo(*LibraryInfo));
+
+ if (OptLevel == 0) return;
+
+ addInitialAliasAnalysisPasses(FPM);
+
+ FPM.add(createCFGSimplificationPass());
+ FPM.add(createScalarReplAggregatesPass());
+ FPM.add(createEarlyCSEPass());
+ FPM.add(createLowerExpectIntrinsicPass());
+ }
+
+ /// populateModulePassManager - This sets up the primary pass manager.
+ void populateModulePassManager(PassManagerBase &MPM) {
+ // If all optimizations are disabled, just run the always-inline pass.
+ if (OptLevel == 0) {
+ if (Inliner) {
+ MPM.add(Inliner);
+ Inliner = 0;
+ }
+ return;
+ }
+
+ // Add LibraryInfo if we have some.
+ if (LibraryInfo) MPM.add(new TargetLibraryInfo(*LibraryInfo));
+
+ addInitialAliasAnalysisPasses(MPM);
+
+ if (!DisableUnitAtATime) {
+ MPM.add(createGlobalOptimizerPass()); // Optimize out global vars
+
+ MPM.add(createIPSCCPPass()); // IP SCCP
+ MPM.add(createDeadArgEliminationPass()); // Dead argument elimination
+
+ MPM.add(createInstructionCombiningPass());// Clean up after IPCP & DAE
+ MPM.add(createCFGSimplificationPass()); // Clean up after IPCP & DAE
+ }
+
+ // Start of CallGraph SCC passes.
+ if (!DisableUnitAtATime)
+ MPM.add(createPruneEHPass()); // Remove dead EH info
+ if (Inliner) {
+ MPM.add(Inliner);
+ Inliner = 0;
+ }
+ if (!DisableUnitAtATime)
+ MPM.add(createFunctionAttrsPass()); // Set readonly/readnone attrs
+ if (OptLevel > 2)
+ MPM.add(createArgumentPromotionPass()); // Scalarize uninlined fn args
+
+ // Start of function pass.
+ // Break up aggregate allocas, using SSAUpdater.
+ MPM.add(createScalarReplAggregatesPass(-1, false));
+ MPM.add(createEarlyCSEPass()); // Catch trivial redundancies
+ if (!DisableSimplifyLibCalls)
+ MPM.add(createSimplifyLibCallsPass()); // Library Call Optimizations
+ MPM.add(createJumpThreadingPass()); // Thread jumps.
+ MPM.add(createCorrelatedValuePropagationPass()); // Propagate conditionals
+ MPM.add(createCFGSimplificationPass()); // Merge & remove BBs
+ MPM.add(createInstructionCombiningPass()); // Combine silly seq's
+
+ MPM.add(createTailCallEliminationPass()); // Eliminate tail calls
+ MPM.add(createCFGSimplificationPass()); // Merge & remove BBs
+ MPM.add(createReassociatePass()); // Reassociate expressions
+ MPM.add(createLoopRotatePass()); // Rotate Loop
+ MPM.add(createLICMPass()); // Hoist loop invariants
+ MPM.add(createLoopUnswitchPass(SizeLevel || OptLevel < 3));
+ MPM.add(createInstructionCombiningPass());
+ MPM.add(createIndVarSimplifyPass()); // Canonicalize indvars
+ MPM.add(createLoopIdiomPass()); // Recognize idioms like memset.
+ MPM.add(createLoopDeletionPass()); // Delete dead loops
+ if (!DisableUnrollLoops)
+ MPM.add(createLoopUnrollPass()); // Unroll small loops
+ addExtensionsToPM(EP_LoopOptimizerEnd, MPM);
+
+ if (OptLevel > 1)
+ MPM.add(createGVNPass()); // Remove redundancies
+ MPM.add(createMemCpyOptPass()); // Remove memcpy / form memset
+ MPM.add(createSCCPPass()); // Constant prop with SCCP
+
+ // Run instcombine after redundancy elimination to exploit opportunities
+ // opened up by them.
+ MPM.add(createInstructionCombiningPass());
+ MPM.add(createJumpThreadingPass()); // Thread jumps
+ MPM.add(createCorrelatedValuePropagationPass());
+ MPM.add(createDeadStoreEliminationPass()); // Delete dead stores
+
+ addExtensionsToPM(EP_ScalarOptimizerLate, MPM);
+
+ MPM.add(createAggressiveDCEPass()); // Delete dead instructions
+ MPM.add(createCFGSimplificationPass()); // Merge & remove BBs
+ MPM.add(createInstructionCombiningPass()); // Clean up after everything.
+
+ if (!DisableUnitAtATime) {
+ // FIXME: We shouldn't bother with this anymore.
+ MPM.add(createStripDeadPrototypesPass()); // Get rid of dead prototypes
+
+ // GlobalOpt already deletes dead functions and globals, at -O3 try a
+ // late pass of GlobalDCE. It is capable of deleting dead cycles.
+ if (OptLevel > 2)
+ MPM.add(createGlobalDCEPass()); // Remove dead fns and globals.
+
+ if (OptLevel > 1)
+ MPM.add(createConstantMergePass()); // Merge dup global constants
+ }
+ }
+
+ void populateLTOPassManager(PassManagerBase &PM, bool Internalize,
+ bool RunInliner) {
+ // Provide AliasAnalysis services for optimizations.
+ addInitialAliasAnalysisPasses(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));
+
+ // 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.
+ PM.add(createIPSCCPPass());
+
+ // Now that we internalized some globals, see if we can hack on them!
+ PM.add(createGlobalOptimizerPass());
+
+ // Linking modules together can lead to duplicated global constants, only
+ // keep one copy of each constant.
+ PM.add(createConstantMergePass());
+
+ // Remove unused arguments from functions.
+ PM.add(createDeadArgEliminationPass());
+
+ // 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.
+ PM.add(createInstructionCombiningPass());
+
+ // Inline small functions
+ if (RunInliner)
+ PM.add(createFunctionInliningPass());
+
+ PM.add(createPruneEHPass()); // Remove dead EH info.
+
+ // Optimize globals again if we ran the inliner.
+ if (RunInliner)
+ PM.add(createGlobalOptimizerPass());
+ PM.add(createGlobalDCEPass()); // Remove dead functions.
+
+ // 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.
+ PM.add(createArgumentPromotionPass());
+
+ // The IPO passes may leave cruft around. Clean up after them.
+ PM.add(createInstructionCombiningPass());
+ PM.add(createJumpThreadingPass());
+ // Break up allocas
+ PM.add(createScalarReplAggregatesPass());
+
+ // Run a few AA driven optimizations here and now, to cleanup the code.
+ PM.add(createFunctionAttrsPass()); // Add nocapture.
+ PM.add(createGlobalsModRefPass()); // IP alias analysis.
+
+ PM.add(createLICMPass()); // Hoist loop invariants.
+ PM.add(createGVNPass()); // Remove redundancies.
+ PM.add(createMemCpyOptPass()); // Remove dead memcpys.
+ // Nuke dead stores.
+ PM.add(createDeadStoreEliminationPass());
+
+ // Cleanup and simplify the code after the scalar optimizations.
+ PM.add(createInstructionCombiningPass());
+
+ PM.add(createJumpThreadingPass());
+
+ // Delete basic blocks, which optimization passes may have killed.
+ PM.add(createCFGSimplificationPass());
+
+ // Now that we have optimized the program, discard unreachable functions.
+ PM.add(createGlobalDCEPass());
+ }
+};
+
+
+} // end namespace llvm
+#endif
#include "llvm/Support/ManagedStatic.h"
#include "llvm/Support/PluginLoader.h"
#include "llvm/Support/PrettyStackTrace.h"
-#include "llvm/Support/PassManagerBuilder.h"
#include "llvm/Support/Process.h"
#include "llvm/Support/Signals.h"
#include "llvm/Support/Valgrind.h"
#include "llvm/LinkAllVMCore.h"
+#include "llvm/Transforms/IPO/PassManagerBuilder.h"
//Enable this macro to debug bugpoint itself.
//#define DEBUG_BUGPOINT 1
#include "llvm/Module.h"
#include "llvm/Support/CommandLine.h"
-#include "llvm/Support/PassManagerBuilder.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Support/DynamicLibrary.h"
#include "llvm/Target/TargetData.h"
#include "llvm/Target/TargetMachine.h"
#include "llvm/Support/PassNameParser.h"
#include "llvm/Support/PluginLoader.h"
+#include "llvm/Transforms/IPO/PassManagerBuilder.h"
using namespace llvm;
// Pass Name Options as generated by the PassNameParser
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/FormattedStream.h"
#include "llvm/Support/MemoryBuffer.h"
-#include "llvm/Support/PassManagerBuilder.h"
#include "llvm/Support/SystemUtils.h"
#include "llvm/Support/ToolOutputFile.h"
#include "llvm/Support/Host.h"
#include "llvm/Support/Signals.h"
#include "llvm/Support/system_error.h"
#include "llvm/Config/config.h"
+#include "llvm/Transforms/IPO/PassManagerBuilder.h"
#include <cstdlib>
#include <unistd.h>
#include <fcntl.h>
#include "llvm/Support/ManagedStatic.h"
#include "llvm/Support/PluginLoader.h"
#include "llvm/Support/PrettyStackTrace.h"
-#include "llvm/Support/PassManagerBuilder.h"
#include "llvm/Support/SystemUtils.h"
#include "llvm/Support/ToolOutputFile.h"
#include "llvm/LinkAllPasses.h"
#include "llvm/LinkAllVMCore.h"
+#include "llvm/Transforms/IPO/PassManagerBuilder.h"
#include <memory>
#include <algorithm>
using namespace llvm;
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