view gcc/testsuite/g++.dg/tree-ssa/loop-cond-split-1.C @ 158:494b0b89df80 default tip

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author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Mon, 25 May 2020 18:13:55 +0900
parents 1830386684a0
children
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/* { dg-do compile } */
/* { dg-options "-O3 -fdump-tree-lsplit-details" } */

#include <string>
#include <map>

using namespace std;

class  A
{
public:
  bool empty;
  void set (string s);
};

class  B
{
  map<int, string> m;
  void f ();
};

extern A *ga;

void B::f ()
{
  for (map<int, string>::iterator iter = m.begin (); iter != m.end (); ++iter)
    {
      if (ga->empty)
        ga->set (iter->second);
    }
}

/* { dg-final { scan-tree-dump-times "loop split on semi-invariant condition at false branch" 1 "lsplit" } } */