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| author | Sebastian Pop <sebastian.pop@amd.com> | 2009-11-25 04:56:21 +0000 |
|---|---|---|
| committer | Sebastian Pop <spop@gcc.gnu.org> | 2009-11-25 04:56:21 +0000 |
| commit | 7cc4ff8d299a5b9727aa3cdcf98ca2b47ad2e7a1 (patch) | |
| tree | 37f3b7ab06e3a2dca23c6248d755fb055ca0a556 | |
| parent | 60d2a8c3bbc4a7b9f3688929bc518c14ae71db92 (diff) | |
| download | gcc-7cc4ff8d299a5b9727aa3cdcf98ca2b47ad2e7a1.zip gcc-7cc4ff8d299a5b9727aa3cdcf98ca2b47ad2e7a1.tar.gz gcc-7cc4ff8d299a5b9727aa3cdcf98ca2b47ad2e7a1.tar.bz2 | |
graphite-sese-to-poly.c (reduction_phi_p): Call remove_invariant_phi when the loop stride is zero.
2009-10-07 Sebastian Pop <sebastian.pop@amd.com>
* graphite-sese-to-poly.c (reduction_phi_p): Call remove_invariant_phi
when the loop stride is zero.
* gcc.dg/graphite/id-16.c: New.
From-SVN: r154565
| -rw-r--r-- | gcc/ChangeLog.graphite | 7 | ||||
| -rw-r--r-- | gcc/graphite-sese-to-poly.c | 6 |
2 files changed, 12 insertions, 1 deletions
diff --git a/gcc/ChangeLog.graphite b/gcc/ChangeLog.graphite index 7fe430e..d640505 100644 --- a/gcc/ChangeLog.graphite +++ b/gcc/ChangeLog.graphite @@ -1,3 +1,10 @@ +2009-10-07 Sebastian Pop <sebastian.pop@amd.com> + + * graphite-sese-to-poly.c (reduction_phi_p): Call remove_invariant_phi + when the loop stride is zero. + + * gcc.dg/graphite/id-16.c: New. + 2009-10-06 Sebastian Pop <sebastian.pop@amd.com> * graphite-dependences.c (reduction_dr_1): New. diff --git a/gcc/graphite-sese-to-poly.c b/gcc/graphite-sese-to-poly.c index 75d10c6..1dea7fd 100644 --- a/gcc/graphite-sese-to-poly.c +++ b/gcc/graphite-sese-to-poly.c @@ -193,7 +193,11 @@ reduction_phi_p (sese region, gimple_stmt_iterator *psi) reductions. */ if (simple_iv (loop, loop, res, &iv, true)) { - gsi_next (psi); + if (integer_zerop (iv.step)) + remove_invariant_phi (region, psi); + else + gsi_next (psi); + return false; } |