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Diffstat (limited to 'include/llvm/Analysis/ProfileInfo.h')
-rw-r--r-- | include/llvm/Analysis/ProfileInfo.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/include/llvm/Analysis/ProfileInfo.h b/include/llvm/Analysis/ProfileInfo.h new file mode 100644 index 0000000000..4cdce4f97d --- /dev/null +++ b/include/llvm/Analysis/ProfileInfo.h @@ -0,0 +1,43 @@ +//===- llvm/Analysis/ProfileInfo.h - Profile Info Interface -----*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file was developed by the LLVM research group and is distributed under +// the University of Illinois Open Source License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file defines the generic ProfileInfo interface, which is used as the +// common interface used by all clients of profiling information, and +// implemented either by making static guestimations, or by actually reading in +// profiling information gathered by running the program. +// +// Note that to be useful, all profile-based optimizations should preserve +// ProfileInfo, which requires that they notify it when changes to the CFG are +// made. +// +//===----------------------------------------------------------------------===// + +#ifndef LLVM_ANALYSIS_PROFILEINFO_H +#define LLVM_ANALYSIS_PROFILEINFO_H + +namespace llvm { + class BasicBlock; + + struct ProfileInfo { + virtual ~ProfileInfo(); // We want to be subclassed + + //===------------------------------------------------------------------===// + /// Profile Information Queries + /// + virtual unsigned getExecutionCount(BasicBlock *BB) = 0; + + //===------------------------------------------------------------------===// + /// Analysis Update Methods + /// + + }; + +} // End llvm namespace + +#endif |