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https://github.com/c64scene-ar/llvm-6502.git
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eb3d76da81
Move the test for this class into the IR unittests as well. This uncovers that ValueMap too is in the IR library. Ironically, the unittest for ValueMap is useless in the Support library (honestly, so was the ValueHandle test) and so it already lives in the IR unittests. Mmmm, tasty layering. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@202821 91177308-0d34-0410-b5e6-96231b3b80d8
68 lines
1.9 KiB
C++
68 lines
1.9 KiB
C++
//===-- JIT.h - Abstract Execution Engine Interface -------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// Common functionality for JITEventListener implementations
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//
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//===----------------------------------------------------------------------===//
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#ifndef EVENT_LISTENER_COMMON_H
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#define EVENT_LISTENER_COMMON_H
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#include "llvm/ADT/DenseMap.h"
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#include "llvm/DebugInfo.h"
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#include "llvm/IR/Metadata.h"
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#include "llvm/IR/ValueHandle.h"
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#include "llvm/Support/Path.h"
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namespace llvm {
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namespace jitprofiling {
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class FilenameCache {
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// Holds the filename of each Scope, so that we can pass a null-terminated
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// string into oprofile. Use an AssertingVH rather than a ValueMap because we
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// shouldn't be modifying any MDNodes while this map is alive.
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DenseMap<AssertingVH<MDNode>, std::string> Filenames;
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DenseMap<AssertingVH<MDNode>, std::string> Paths;
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public:
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const char *getFilename(MDNode *Scope) {
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std::string &Filename = Filenames[Scope];
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if (Filename.empty()) {
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DIScope DIScope(Scope);
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Filename = DIScope.getFilename();
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}
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return Filename.c_str();
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}
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const char *getFullPath(MDNode *Scope) {
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std::string &P = Paths[Scope];
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if (P.empty()) {
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DIScope DIScope(Scope);
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StringRef DirName = DIScope.getDirectory();
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StringRef FileName = DIScope.getFilename();
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SmallString<256> FullPath;
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if (DirName != "." && DirName != "") {
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FullPath = DirName;
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}
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if (FileName != "") {
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sys::path::append(FullPath, FileName);
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}
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P = FullPath.str();
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}
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return P.c_str();
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}
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};
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} // namespace jitprofiling
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} // namespace llvm
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#endif //EVENT_LISTENER_COMMON_H
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