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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56256 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Devang Patel 2008-09-16 22:26:44 +00:00
parent 2d7551ced2
commit f94474161f
2 changed files with 0 additions and 144 deletions
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36
include/llvm/PassManagerUtils.h
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@ -1,36 +0,0 @@
//===-- llvm/Support/PassManagerUtils.h -------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file provides interface to pass manager utilities.
//
//===----------------------------------------------------------------------===//
namespace llvm {
class FunctionPassManager;
class PassManager;
/// AddOptimizationPasses - This routine adds optimization passes
/// based on selected optimization level, OptLevel. This routine is
/// used by llvm-gcc and other tools.
///
/// OptLevel - Optimization Level
/// EnableIPO - Enables IPO passes. llvm-gcc enables this when
/// flag_unit_at_a_time is set.
/// InlinerSelection - 1 : Add function inliner.
/// - 2 : Add AlwaysInliner.
/// OptLibCalls - Simplify lib calls, if set.
/// PruneEH - Add PruneEHPass, if set.
/// UnrollLoop - Unroll loops, if set.
void AddOptimizationPasses(FunctionPassManager &FPM, PassManager &MPM,
unsigned OptLevel, bool EnableIPO,
unsigned InlinerSelection, bool OptLibCalls,
bool PruneEH, bool UnrollLoop);
}

108
utils/PassManagerUtils.cpp
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//===-- PassManagerUtils.cpp - --------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file implements pass manager utiliy routines.
//
//===----------------------------------------------------------------------===//
#include "llvm/PassManagerUtils.h"
#include "llvm/PassManagers.h"
#include "llvm/Transforms/Scalar.h"
#include "llvm/Transforms/IPO.h"
#include "llvm/Analysis/LoopPass.h"
/// AddOptimizationPasses - This routine adds optimization passes
/// based on selected optimization level, OptLevel. This routine is
/// used by llvm-gcc and other tools.
///
/// OptLevel - Optimization Level
/// EnableIPO - Enables IPO passes. llvm-gcc enables this when
/// flag_unit_at_a_time is set.
/// InlinerSelection - 1 : Add function inliner.
/// - 2 : Add AlwaysInliner.
/// OptLibCalls - Simplify lib calls, if set.
/// PruneEH - Add PruneEHPass, if set.
/// UnrollLoop - Unroll loops, if set.
void llvm::AddOptimizationPasses(FunctionPassManager &FPM, PassManager &MPM,
unsigned OptLevel, bool EnableIPO,
unsigned InlinerSelection, bool OptLibCalls,
bool PruneEH, bool UnrollLoop) {
if (OptLevel == 0)
return;
FPM.add(createCFGSimplificationPass());
if (OptLevel == 1)
FPM.add(createPromoteMemoryToRegisterPass());
else
FPM.add(createScalarReplAggregatesPass());
FPM.add(createInstructionCombiningPass());
if (EnableIPO)
MPM.add(createRaiseAllocationsPass()); // call %malloc -> malloc inst
MPM.add(createCFGSimplificationPass()); // Clean up disgusting code
MPM.add(createPromoteMemoryToRegisterPass()); // Kill useless allocas
if (EnableIPO) {
MPM.add(createGlobalOptimizerPass()); // OptLevel out global vars
MPM.add(createGlobalDCEPass()); // Remove unused fns and globs
MPM.add(createIPConstantPropagationPass()); // IP Constant Propagation
MPM.add(createDeadArgEliminationPass()); // Dead argument elimination
}
MPM.add(createInstructionCombiningPass()); // Clean up after IPCP & DAE
MPM.add(createCFGSimplificationPass()); // Clean up after IPCP & DAE
if (EnableIPO && PruneEH)
MPM.add(createPruneEHPass()); // Remove dead EH info
if (InlinerSelection == 1) // respect -fno-inline-functions
MPM.add(createFunctionInliningPass()); // Inline small functions
else if (InlinerSelection == 2)
MPM.add(createAlwaysInlinerPass()); // Inline always_inline functions
if (OptLevel > 2)
MPM.add(createArgumentPromotionPass()); // Scalarize uninlined fn args
if (OptLibCalls)
MPM.add(createSimplifyLibCallsPass()); // Library Call Optimizations
MPM.add(createInstructionCombiningPass()); // Cleanup for scalarrepl.
MPM.add(createJumpThreadingPass()); // Thread jumps.
MPM.add(createCFGSimplificationPass()); // Merge & remove BBs
MPM.add(createScalarReplAggregatesPass()); // Break up aggregate allocas
MPM.add(createInstructionCombiningPass()); // Combine silly seq's
MPM.add(createCondPropagationPass()); // Propagate conditionals
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());
MPM.add(createLoopIndexSplitPass()); // Split loop index
MPM.add(createInstructionCombiningPass());
MPM.add(createIndVarSimplifyPass()); // Canonicalize indvars
MPM.add(createLoopDeletionPass()); // Delete dead loops
if (UnrollLoop)
MPM.add(createLoopUnrollPass()); // Unroll small loops
MPM.add(createInstructionCombiningPass()); // Clean up after the unroller
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(createCondPropagationPass()); // Propagate conditionals
MPM.add(createDeadStoreEliminationPass()); // Delete dead stores
MPM.add(createAggressiveDCEPass()); // Delete dead instructions
MPM.add(createCFGSimplificationPass()); // Merge & remove BBs
if (EnableIPO) {
MPM.add(createStripDeadPrototypesPass()); // Get rid of dead prototypes
MPM.add(createDeadTypeEliminationPass()); // Eliminate dead types
}
if (OptLevel > 1 && EnableIPO)
MPM.add(createConstantMergePass()); // Merge dup global constants
return;
}