llvm-6502/lib/ExecutionEngine/EventListenerCommon.h
Chandler Carruth a1514e24cc Sort includes for all of the .h files under the 'lib' tree. These were
missed in the first pass because the script didn't yet handle include
guards.

Note that the script is now able to handle all of these headers without
manual edits. =]

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169224 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-04 07:12:27 +00:00

68 lines
1.9 KiB
C++

//===-- JIT.h - Abstract Execution Engine Interface -------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// Common functionality for JITEventListener implementations
//
//===----------------------------------------------------------------------===//
#ifndef EVENT_LISTENER_COMMON_H
#define EVENT_LISTENER_COMMON_H
#include "llvm/ADT/DenseMap.h"
#include "llvm/DebugInfo.h"
#include "llvm/Metadata.h"
#include "llvm/Support/Path.h"
#include "llvm/Support/ValueHandle.h"
namespace llvm {
namespace jitprofiling {
class FilenameCache {
// Holds the filename of each Scope, so that we can pass a null-terminated
// string into oprofile. Use an AssertingVH rather than a ValueMap because we
// shouldn't be modifying any MDNodes while this map is alive.
DenseMap<AssertingVH<MDNode>, std::string> Filenames;
DenseMap<AssertingVH<MDNode>, std::string> Paths;
public:
const char *getFilename(MDNode *Scope) {
std::string &Filename = Filenames[Scope];
if (Filename.empty()) {
DIScope DIScope(Scope);
Filename = DIScope.getFilename();
}
return Filename.c_str();
}
const char *getFullPath(MDNode *Scope) {
std::string &P = Paths[Scope];
if (P.empty()) {
DIScope DIScope(Scope);
StringRef DirName = DIScope.getDirectory();
StringRef FileName = DIScope.getFilename();
SmallString<256> FullPath;
if (DirName != "." && DirName != "") {
FullPath = DirName;
}
if (FileName != "") {
sys::path::append(FullPath, FileName);
}
P = FullPath.str();
}
return P.c_str();
}
};
} // namespace jitprofiling
} // namespace llvm
#endif //EVENT_LISTENER_COMMON_H