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Fix PR43026: handle COMPONENT_REFs in expand scalar expressions.

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2010-02-11  Sebastian Pop  <sebastian.pop@amd.com>

	PR middle-end/43026
	* sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.

	* g++.dg/graphite/pr43026.C: New.

From-SVN: r156993
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Sebastian Pop 2010-02-23 12:58:44 +00:00 committed by Sebastian Pop
parent 3bbc846211
commit 143b72a99d
3 changed files with 61 additions and 0 deletions
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7
gcc/ChangeLog.graphite
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@ -1,3 +1,10 @@
2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
PR middle-end/43026
* sese.c (expand_scalar_variables_expr): Handle COMPONENT_REF.
* g++.dg/graphite/pr43026.C: New.
2010-02-11 Sebastian Pop <sebastian.pop@amd.com>
PR middle-end/43012

3
gcc/sese.c
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@ -897,6 +897,9 @@ expand_scalar_variables_expr (tree type, tree op0, enum tree_code code,
return build4 (ARRAY_REF, type, base, subscript, op02, op03);
}
case COMPONENT_REF:
return op0;
default:
/* The above cases should catch everything. */
gcc_unreachable ();

51
gcc/testsuite/g++.dg/graphite/pr43026.C Normal file
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@ -0,0 +1,51 @@
/* { dg-do compile } */
/* { dg-options "-O2 -fgraphite-identity -m32" } */
template<typename Tp > class vector { };
template <int rank, int dim> class Tensor;
template <int dim> class Tensor<1,dim> {
public:
Tensor (const Tensor<1,dim> &);
private:
double values[(dim != 0) ? (dim) : 1];
};
template <int dim>
#ifdef NOINLINE
// declaring this noinline prevents the ICE
__attribute__ ((noinline))
#endif
Tensor<1,dim>::Tensor (const Tensor<1,dim> &p)
{
for (unsigned int i = 0; i < dim; ++i)
values[i] = p.values[i];
}
template <int rank, int dim>
class Tensor {
Tensor<rank-1,dim> subtensor[dim];
};
template <int dim> class Base {
public:
const unsigned int npoints;
const unsigned int dofs;
const Tensor<2,dim> &s2d (const unsigned int fno,
const unsigned int pno) const;
void getf2d (vector<Tensor<2,dim> >& d2) const;
};
template <int dim>
void Base<dim>:: getf2d
(vector<Tensor<2,dim> > &d2) const
{
unsigned int point, sf;
for (point = 0; point < npoints; ++point)
for (sf = 0; sf < dofs; ++sf)
Tensor<2,dim> tmp = s2d (sf, point);
}
template void Base<3>::getf2d (vector<Tensor<2,3> > &) const;