CfgTests.cpp

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/*
 * Copyright 2020 Nico Reißmann <nico.reissmann@gmail.com>
 * See COPYING for terms of redistribution.
 */
 
#include <gtest/gtest.h>
 
#include <jlm/llvm/ir/cfg.hpp>
#include <jlm/llvm/ir/ipgraph-module.hpp>
#include <jlm/llvm/ir/print.hpp>
 
TEST(ControLFlowGraphTests, test_remove_node)
{
  using namespace jlm::llvm;
 
  // Arrange
  InterProceduralGraphModule im(jlm::util::FilePath(""), "", "");
 
  ControlFlowGraph cfg(im);
 
  auto bb0 = BasicBlock::create(cfg);
  bb0->add_outedge(bb0);
  bb0->add_outedge(cfg.exit());
 
  std::cout << ControlFlowGraph::ToAscii(cfg) << std::flush;
 
  // Act
  cfg.remove_node(bb0);
 
  // Assert
  EXPECT_EQ(cfg.nnodes(), 0u);
}