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a81258a786
eventually allow Passes to use profiling information to direct them. llvm-svn: 11294
43 lines
1.3 KiB
C++
43 lines
1.3 KiB
C++
//===- ProfileInfo.cpp - Profile Info Interface ---------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file was developed by the LLVM research group and is distributed under
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// the University of Illinois Open Source License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file implements the abstract ProfileInfo interface, and the default
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// "no profile" implementation.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/Analysis/ProfileInfo.h"
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#include "llvm/Pass.h"
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using namespace llvm;
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// Register the AliasAnalysis interface, providing a nice name to refer to.
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namespace {
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RegisterAnalysisGroup<ProfileInfo> Z("Profile Information");
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}
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ProfileInfo::~ProfileInfo() {}
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//===----------------------------------------------------------------------===//
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// NoProfile ProfileInfo implementation
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//
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namespace {
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struct NoProfileInfo : public ImmutablePass, public ProfileInfo {
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unsigned getExecutionCount(BasicBlock *BB) { return 0; }
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};
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// Register this pass...
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RegisterOpt<NoProfileInfo>
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X("no-profile", "No Profile Information");
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// Declare that we implement the AliasAnalysis interface
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RegisterAnalysisGroup<ProfileInfo, NoProfileInfo> Y;
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} // End of anonymous namespace
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