b4ed5cc942
Summary: Fixes several issues that prevented us from running hhvm binary. (cherry picked from FBD2543057)
68 lines
1.9 KiB
C++
68 lines
1.9 KiB
C++
//===--- BinaryBasicBlock.cpp - Interface for assembly-level basic block --===//
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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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//===----------------------------------------------------------------------===//
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#include "BinaryBasicBlock.h"
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#include "BinaryFunction.h"
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#include "llvm/ADT/StringRef.h"
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#include "llvm/MC/MCAsmInfo.h"
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#include "llvm/MC/MCContext.h"
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#include "llvm/MC/MCInst.h"
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#include "llvm/MC/MCInstPrinter.h"
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#include <limits>
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#include <string>
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#undef DEBUG_TYPE
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#define DEBUG_TYPE "flo"
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namespace llvm {
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namespace flo {
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bool operator<(const BinaryBasicBlock &LHS, const BinaryBasicBlock &RHS) {
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return LHS.Offset < RHS.Offset;
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}
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void BinaryBasicBlock::addSuccessor(BinaryBasicBlock *Succ,
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uint64_t Count,
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uint64_t MispredictedCount) {
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Successors.push_back(Succ);
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BranchInfo.push_back({Count, MispredictedCount});
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Succ->Predecessors.push_back(this);
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}
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void BinaryBasicBlock::removeSuccessor(BinaryBasicBlock *Succ) {
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Succ->removePredecessor(this);
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auto I = succ_begin();
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auto BI = BranchInfo.begin();
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for (; I != succ_end(); ++I) {
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assert(BI != BranchInfo.end() && "missing BranchInfo entry");
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if (*I == Succ)
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break;
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++BI;
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}
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assert(I != succ_end() && "no such successor!");
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Successors.erase(I);
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BranchInfo.erase(BI);
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}
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void BinaryBasicBlock::addPredecessor(BinaryBasicBlock *Pred) {
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Predecessors.push_back(Pred);
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}
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void BinaryBasicBlock::removePredecessor(BinaryBasicBlock *Pred) {
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auto I = std::find(pred_begin(), pred_end(), Pred);
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assert(I != pred_end() && "Pred is not a predecessor of this block!");
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Predecessors.erase(I);
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}
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} // namespace flo
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} // namespace llvm
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