view gcc/testsuite/gcc.dg/uninit-pred-8_a.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 04ced10e8804
children
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/* { dg-do compile } */
/* { dg-options "-Wuninitialized -O2" } */
/* Pick a particular tuning to pin down BRANCH_COST.  */
/* { dg-additional-options "-mtune=cortex-a15" { target arm*-*-* } } */

int g;
void bar();
void blah(int);

int foo (int n, int l, int m, int r)
{
  int v;

  if (n || m || r || l)
    v = r;

  if (m) g++;
  else   bar();

  if ( n ||  m || r || l)
      blah(v); /* { dg-bogus "uninitialized" "bogus warning" } */

  if ( n )
      blah(v); /* { dg-bogus "uninitialized" "bogus warning" } */

  if ( l )
      blah(v); /* { dg-bogus "uninitialized" "bogus warning" } */

  return 0;
}

int foo_2 (int n, int l, int m, int r)
{
  int v;

  if (n || m || r )
    v = r;

  if (m) g++;
  else   bar();

  if ( n || m || r || l)
      blah(v); /* { dg-warning "uninitialized" "warning" } */

  return 0;
}