gcc-4.9/gcc/testsuite/gcc.dg/graphite/id-pr46845.c


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/* { dg-options "-O2 -ffast-math -fgraphite-identity -w -Wno-psabi" { target { i?86-*-* x86_64-*-* powerpc*-*-* } } } */

typedef float V2SF __attribute__ ((vector_size (128)));

V2SF
foo (int x, V2SF a)
{
  V2SF b;
  if (x & 42)
    b = a;
  else
    b = a + (V2SF) {1.0f/0.0f - 1.0f/0.0f, 1.0f/0.0f - 1.0f/0.0f};
  while (x--)
    a += b;

  return a;
}