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Delete the LiveValues pass. I won't get get back to the project it

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was started for in the foreseeable future.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@126668 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman
2011-02-28 19:37:59 +00:00
parent bafd516d3e
commit c92383fd0d
6 changed files with 0 additions and 308 deletions
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99
include/llvm/Analysis/LiveValues.h
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@@ -1,99 +0,0 @@
//===- LiveValues.h - Liveness information for LLVM IR Values. ------------===//
//
// 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 interface for the LLVM IR Value liveness
// analysis pass.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_ANALYSIS_LIVEVALUES_H
#define LLVM_ANALYSIS_LIVEVALUES_H
#include "llvm/Pass.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/SmallPtrSet.h"
namespace llvm {
class DominatorTree;
class LoopInfo;
class Value;
/// LiveValues - Analysis that provides liveness information for
/// LLVM IR Values.
///
class LiveValues : public FunctionPass {
DominatorTree *DT;
LoopInfo *LI;
/// Memo - A bunch of state to be associated with a value.
///
struct Memo {
/// Used - The set of blocks which contain a use of the value.
///
SmallPtrSet<const BasicBlock *, 4> Used;
/// LiveThrough - A conservative approximation of the set of blocks in
/// which the value is live-through, meaning blocks properly dominated
/// by the definition, and from which blocks containing uses of the
/// value are reachable.
///
SmallPtrSet<const BasicBlock *, 4> LiveThrough;
/// Killed - A conservative approximation of the set of blocks in which
/// the value is used and not live-out.
///
SmallPtrSet<const BasicBlock *, 4> Killed;
};
/// Memos - Remembers the Memo for each Value. This is populated on
/// demand.
///
DenseMap<const Value *, Memo> Memos;
/// getMemo - Retrieve an existing Memo for the given value if one
/// is available, otherwise compute a new one.
///
Memo &getMemo(const Value *V);
/// compute - Compute a new Memo for the given value.
///
Memo &compute(const Value *V);
public:
static char ID;
LiveValues();
virtual void getAnalysisUsage(AnalysisUsage &AU) const;
virtual bool runOnFunction(Function &F);
virtual void releaseMemory();
/// isUsedInBlock - Test if the given value is used in the given block.
///
bool isUsedInBlock(const Value *V, const BasicBlock *BB);
/// isLiveThroughBlock - Test if the given value is known to be
/// live-through the given block, meaning that the block is properly
/// dominated by the value's definition, and there exists a block
/// reachable from it that contains a use. This uses a conservative
/// approximation that errs on the side of returning false.
///
bool isLiveThroughBlock(const Value *V, const BasicBlock *BB);
/// isKilledInBlock - Test if the given value is known to be killed in
/// the given block, meaning that the block contains a use of the value,
/// and no blocks reachable from the block contain a use. This uses a
/// conservative approximation that errs on the side of returning false.
///
bool isKilledInBlock(const Value *V, const BasicBlock *BB);
};
} // end namespace llvm
#endif

6
include/llvm/Analysis/Passes.h
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@@ -157,12 +157,6 @@ namespace llvm {
//
ModulePass *createSteensgaardPass();
//===--------------------------------------------------------------------===//
//
// createLiveValuesPass - This creates an instance of the LiveValues pass.
//
FunctionPass *createLiveValuesPass();
//===--------------------------------------------------------------------===//
//
/// createLazyValueInfoPass - This creates an instance of the LazyValueInfo

1
include/llvm/InitializePasses.h
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@@ -123,7 +123,6 @@ void initializeLintPass(PassRegistry&);
void initializeLiveDebugVariablesPass(PassRegistry&);
void initializeLiveIntervalsPass(PassRegistry&);
void initializeLiveStacksPass(PassRegistry&);
void initializeLiveValuesPass(PassRegistry&);
void initializeLiveVariablesPass(PassRegistry&);
void initializeLoaderPassPass(PassRegistry&);
void initializePathProfileLoaderPassPass(PassRegistry&);

1
include/llvm/LinkAllPasses.h
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@@ -84,7 +84,6 @@ namespace {
(void) llvm::createLCSSAPass();
(void) llvm::createLICMPass();
(void) llvm::createLazyValueInfoPass();
(void) llvm::createLiveValuesPass();
(void) llvm::createLoopDependenceAnalysisPass();
(void) llvm::createLoopExtractorPass();
(void) llvm::createLoopSimplifyPass();