Files
revng-revng/lib/EnforceCFGCombingPass/BasicBlockViewAnalysis.cpp
T
2019-01-16 11:49:32 +01:00

27 lines
774 B
C++

//
// This file is distributed under the MIT License. See LICENSE.md for details.
//
#include "BasicBlockViewAnalysis.h"
using namespace llvm;
namespace BasicBlockViewAnalysis {
Analysis::InterruptType Analysis::transfer(BasicBlockNode *InputBB) {
BasicBlockViewMap VisibleBB = State[InputBB].copy();
BasicBlockNode *BB = InputBB;
while (BB->isDummy()) {
revng_assert(BB->basicBlock() == nullptr);
revng_assert(BB->successor_size() == 1);
BB = *BB->successors().begin();
}
BasicBlock *OriginalBB = BB->basicBlock();
revng_assert(OriginalBB);
bool New = VisibleBB.insert(std::make_pair(OriginalBB, InputBB)).second;
revng_assert(New);
return InterruptType::createInterrupt(std::move(VisibleBB));
}
} // end namespace BasicBlockViewAnalysis