2010-03-02 Sebastian Pop <sebastian.pop@amd.com>
PR middle-end/42326
* sese.c (name_defined_in_loop_p): Return false for default
definitions.
* gcc.dg/graphite/pr42326.c: New.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@157280
138bc75d-0d04-0410-961f-
82ee72b054a4
+2010-03-02 Sebastian Pop <sebastian.pop@amd.com>
+
+ PR middle-end/42326
+ * sese.c (name_defined_in_loop_p): Return false for default
+ definitions.
+
+ * gcc.dg/graphite/pr42326.c: New.
+
2010-02-23 Sebastian Pop <sebastian.pop@amd.com>
* graphite-clast-to-gimple.c (find_cloog_iv_in_expr): Simplify
static bool
name_defined_in_loop_p (tree name, loop_p loop)
{
- gimple stmt = SSA_NAME_DEF_STMT (name);
-
- return (gimple_bb (stmt)->loop_father == loop);
+ return !SSA_NAME_IS_DEFAULT_DEF (name)
+ && gimple_bb (SSA_NAME_DEF_STMT (name))->loop_father == loop;
}
/* Returns true when EXPR contains SSA_NAMEs defined in LOOP. */
--- /dev/null
+/* { dg-options "-O1 -floop-parallelize-all" } */
+
+double lagrange(const double x[],
+ const double y[],
+ long n,
+ double xval)
+{
+ long i, j;
+ double yval = 0.;
+
+ for( i=0; i < n; i++ )
+ {
+ double l = 1.;
+ for( j=0; j < n; j++ )
+ if( i != j )
+ l *= (xval-x[j])/(x[i]-x[j]);
+ yval += y[i]*l;
+ }
+ return yval;
+}