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c53fb25fe1
Binary encoded profiles used to encode all function names inline at every reference. This is clearly suboptimal in terms of space. This patch fixes this by adding a name table to the header of the file. llvm-svn: 250241
58 lines
2.0 KiB
C++
58 lines
2.0 KiB
C++
//=-- SampleProf.cpp - Sample 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 common definitions used in the reading and writing of
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// sample profile data.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/ProfileData/SampleProf.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 SampleProfErrorCategoryType : public std::error_category {
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const char *name() const LLVM_NOEXCEPT override { return "llvm.sampleprof"; }
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std::string message(int IE) const override {
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sampleprof_error E = static_cast<sampleprof_error>(IE);
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switch (E) {
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case sampleprof_error::success:
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return "Success";
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case sampleprof_error::bad_magic:
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return "Invalid file format (bad magic)";
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case sampleprof_error::unsupported_version:
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return "Unsupported format version";
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case sampleprof_error::too_large:
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return "Too much profile data";
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case sampleprof_error::truncated:
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return "Truncated profile data";
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case sampleprof_error::malformed:
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return "Malformed profile data";
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case sampleprof_error::unrecognized_format:
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return "Unrecognized profile encoding format";
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case sampleprof_error::unsupported_writing_format:
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return "Profile encoding format unsupported for writing operations";
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case sampleprof_error::truncated_name_table:
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return "Truncated function name table";
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case sampleprof_error::not_implemented:
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return "Unimplemented feature";
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}
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llvm_unreachable("A value of sampleprof_error has no message.");
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}
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};
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}
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static ManagedStatic<SampleProfErrorCategoryType> ErrorCategory;
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const std::error_category &llvm::sampleprof_category() {
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return *ErrorCategory;
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}
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