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Unshare the scev before code generating it.

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2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>

	* sese.c (rename_uses): Call unshare_expr before force_gimple_operand.

	* gcc.dg/graphite/id-23.c: New.

From-SVN: r163149
This commit is contained in:
Sebastian Pop 2010-08-11 20:28:38 +00:00 committed by Sebastian Pop
parent 87b28340fd
commit 6f23dd91cb
5 changed files with 38 additions and 1 deletions
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4
gcc/ChangeLog
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@ -1,3 +1,7 @@
2010-08-02 Sebastian Pop <sebastian.pop@amd.com>
* sese.c (rename_uses): Call unshare_expr before force_gimple_operand.
2010-08-02 Sebastian Pop <sebastian.pop@amd.com>
* graphite-sese-to-poly.c (reduction_phi_p): Do not rewrite out of

6
gcc/ChangeLog.graphite
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@ -1,3 +1,9 @@
2010-07-15 Sebastian Pop <sebastian.pop@amd.com>
* sese.c (rename_uses): Call unshare_expr before force_gimple_operand.
* gcc.dg/graphite/id-23.c: New.
2010-07-15 Sebastian Pop <sebastian.pop@amd.com>
* graphite-sese-to-poly.c (reduction_phi_p): Do not rewrite out of

3
gcc/sese.c
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@ -543,7 +543,8 @@ rename_uses (gimple copy, htab_t rename_map, gimple_stmt_iterator *gsi_tgt,
&& !tree_contains_chrecs (new_expr, NULL));
/* Replace the old_name with the new_expr. */
new_expr = force_gimple_operand (new_expr, &stmts, true, NULL);
new_expr = force_gimple_operand (unshare_expr (new_expr), &stmts,
true, NULL);
gsi_insert_seq_before (gsi_tgt, stmts, GSI_SAME_STMT);
replace_exp (use_p, new_expr);
set_rename (rename_map, old_name, new_expr);

4
gcc/testsuite/ChangeLog
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@ -1,3 +1,7 @@
2010-08-02 Sebastian Pop <sebastian.pop@amd.com>
* gcc.dg/graphite/id-23.c: New.
2010-08-02 Sebastian Pop <sebastian.pop@amd.com>
* gfortran.dg/graphite/id-20.f: Adjust testcase.

22
gcc/testsuite/gcc.dg/graphite/id-23.c Normal file
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@ -0,0 +1,22 @@
double *ZV_entries (void);
void SubMtx_fillRowZV (int irow)
{
double *rowvec = ZV_entries ();
double *entries;
int ii, ipivot, jrow, kk, m;
int *pivotsizes;
SubMtx_blockDiagonalInfo (&pivotsizes);
for (jrow = ipivot = kk = 0; jrow <= irow; ipivot++)
{
m = pivotsizes[ipivot];
if (jrow <= irow && irow < jrow + m)
for (ii = jrow; ii < irow; ii++)
{
rowvec[2*ii] = entries[2*kk];
rowvec[2*ii+1] = entries[2*kk+1];
}
jrow += m;
}
}