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

   1 /* { dg-options "-O2 -ffast-math -fgraphite-identity -w -Wno-psabi" { target { i?86-*-* x86_64-*-* } } } */
   2
   3 typedef float V2SF __attribute__ ((vector_size (128)));
   4
   5 V2SF
   6 foo (int x, V2SF a)
   7 {
   8   V2SF b;
   9   if (x & 42)
  10     b = a;
  11   else
  12     b = a + (V2SF) {1.0f/0.0f - 1.0f/0.0f, 1.0f/0.0f - 1.0f/0.0f};
  13   while (x--)
  14     a += b;
  15
  16   return a;
  17 }