[Bug tree-optimization/89653] Missing vectorization of loop containing std::min/std::max and temporary

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89653

--- Comment #2 from Richard Biener <rguenth at gcc dot gnu.org> ---
Oh, no.  It is present even in .original and we somehow fail to elide it (maybe
because of the clobber?!

;; Function void loop1(double*, double, int) (null)
;; enabled by -tree-original


{
  {
    int i = 0;

    <<cleanup_point     int i = 0;>>;
    while (1)
      {
        if (i >= end) goto <D.17248>;
        <<cleanup_point <<< Unknown tree: expr_stmt
  (void) (*((double * restrict) vec + (sizetype) ((long unsigned int) i * 8)) =
(double) *std::min<double> ((const double &) vec + (sizetype) ((long unsigned
int) i * 8), (const double &) &TARGET_EXPR <D.17247, *((double * restrict) vec
+ (sizetype) ((long unsigned int) i * 8)) / x>)) >>>>>;
        <<cleanup_point (void)  ++i>>;
      }
    <D.17248>:;
  }
}