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c96f87a892
Add support to the indexed instrprof reader and writer for the format that will be used for value profiling. Patch by Betul Buyukkurt, with minor modifications. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@248833 91177308-0d34-0410-b5e6-96231b3b80d8
66 lines
2.3 KiB
C++
66 lines
2.3 KiB
C++
//=-- InstrProf.cpp - Instrumented profiling format support -----------------=//
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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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// This file contains support for clang's instrumentation based PGO and
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// coverage.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/ProfileData/InstrProf.h"
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#include "llvm/Support/ErrorHandling.h"
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#include "llvm/Support/ManagedStatic.h"
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using namespace llvm;
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namespace {
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class InstrProfErrorCategoryType : public std::error_category {
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const char *name() const LLVM_NOEXCEPT override { return "llvm.instrprof"; }
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std::string message(int IE) const override {
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instrprof_error E = static_cast<instrprof_error>(IE);
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switch (E) {
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case instrprof_error::success:
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return "Success";
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case instrprof_error::eof:
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return "End of File";
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case instrprof_error::bad_magic:
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return "Invalid profile data (bad magic)";
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case instrprof_error::bad_header:
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return "Invalid profile data (file header is corrupt)";
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case instrprof_error::unsupported_version:
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return "Unsupported profiling format version";
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case instrprof_error::unsupported_hash_type:
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return "Unsupported profiling hash";
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case instrprof_error::too_large:
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return "Too much profile data";
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case instrprof_error::truncated:
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return "Truncated profile data";
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case instrprof_error::malformed:
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return "Malformed profile data";
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case instrprof_error::unknown_function:
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return "No profile data available for function";
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case instrprof_error::hash_mismatch:
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return "Function hash mismatch";
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case instrprof_error::count_mismatch:
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return "Function count mismatch";
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case instrprof_error::counter_overflow:
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return "Counter overflow";
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case instrprof_error::value_site_count_mismatch:
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return "Function's value site counts mismatch";
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}
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llvm_unreachable("A value of instrprof_error has no message.");
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}
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};
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}
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static ManagedStatic<InstrProfErrorCategoryType> ErrorCategory;
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const std::error_category &llvm::instrprof_category() {
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return *ErrorCategory;
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}
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