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0060160bcf
This restores commit r260408, along with a fix for a bot failure. The bot failure was caused by dereferencing a unique_ptr in the same call instruction parameter list where it was passed via std::move. Apparently due to luck this was not exposed when I built the compiler with clang, only with gcc. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@260442 91177308-0d34-0410-b5e6-96231b3b80d8
58 lines
2.2 KiB
C++
58 lines
2.2 KiB
C++
//===-- FunctionInfo.cpp - Function Info Index ----------------------------===//
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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 implements the function info index and summary classes for the
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// IR library.
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//
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//===----------------------------------------------------------------------===//
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#include "llvm/IR/FunctionInfo.h"
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#include "llvm/ADT/StringMap.h"
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using namespace llvm;
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// Create the combined function index/summary from multiple
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// per-module instances.
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void FunctionInfoIndex::mergeFrom(std::unique_ptr<FunctionInfoIndex> Other,
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uint64_t NextModuleId) {
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StringRef ModPath;
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for (auto &OtherFuncInfoLists : *Other) {
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uint64_t FuncGUID = OtherFuncInfoLists.first;
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FunctionInfoList &List = OtherFuncInfoLists.second;
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// Assert that the func info list only has one entry, since we shouldn't
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// have duplicate names within a single per-module index.
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assert(List.size() == 1);
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std::unique_ptr<FunctionInfo> Info = std::move(List.front());
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// Skip if there was no function summary section.
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if (!Info->functionSummary())
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continue;
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// Add the module path string ref for this module if we haven't already
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// saved a reference to it.
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if (ModPath.empty())
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ModPath =
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addModulePath(Info->functionSummary()->modulePath(), NextModuleId);
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else
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assert(ModPath == Info->functionSummary()->modulePath() &&
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"Each module in the combined map should have a unique ID");
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// Note the module path string ref was copied above and is still owned by
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// the original per-module index. Reset it to the new module path
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// string reference owned by the combined index.
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Info->functionSummary()->setModulePath(ModPath);
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// Add new function info to existing list. There may be duplicates when
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// combining FunctionMap entries, due to COMDAT functions. Any local
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// functions were given unique global IDs.
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addFunctionInfo(FuncGUID, std::move(Info));
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}
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}
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