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From: Sebastian Pop <sebpop@gmail.com>
To: gcc-patches@gcc.gnu.org
Cc: gcc-graphite@googlegroups.com,	Sebastian Pop <sebpop@gmail.com>
Subject: [PATCH 12/12] Unshare the scev before code generating it.
Date: Fri, 16 Jul 2010 07:05:00 -0000	[thread overview]
Message-ID: <1279263843-9149-13-git-send-email-sebpop@gmail.com> (raw)
In-Reply-To: <1279263843-9149-1-git-send-email-sebpop@gmail.com>

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.
---
 gcc/ChangeLog.graphite                |    6 ++++++
 gcc/sese.c                            |    3 ++-
 gcc/testsuite/gcc.dg/graphite/id-23.c |   22 ++++++++++++++++++++++
 3 files changed, 30 insertions(+), 1 deletions(-)
 create mode 100644 gcc/testsuite/gcc.dg/graphite/id-23.c

diff --git a/gcc/ChangeLog.graphite b/gcc/ChangeLog.graphite
index 6600df7..1cf50f3 100644
--- a/gcc/ChangeLog.graphite
+++ b/gcc/ChangeLog.graphite
@@ -1,5 +1,11 @@
 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
 	SSA scalar phi nodes that can be scev_analyzable_p.
 
diff --git a/gcc/sese.c b/gcc/sese.c
index f59f317..3f7266b 100644
--- a/gcc/sese.c
+++ b/gcc/sese.c
@@ -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);
diff --git a/gcc/testsuite/gcc.dg/graphite/id-23.c b/gcc/testsuite/gcc.dg/graphite/id-23.c
new file mode 100644
index 0000000..0f8a1f3
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/graphite/id-23.c
@@ -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;
+    }
+}
-- 
1.7.0.4

  parent reply	other threads:[~2010-07-16  7:05 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-07-16  7:04 [PATCH 00/12] [graphite] Remove the induction variable canonicalization Sebastian Pop
2010-07-16  7:04 ` [PATCH 03/12] chrec_apply should only apply to the specified variable Sebastian Pop
2010-07-16  7:04 ` [PATCH 07/12] Scevs could be expressions without chrecs and still be scev_analyzable_p Sebastian Pop
2010-07-16  7:04 ` [PATCH 09/12] Add testcase for PR42729 and fix handling of gimple_debug info Sebastian Pop
2010-07-16  7:05 ` [PATCH 01/12] Remove insert_loop_close_phis Sebastian Pop
2010-07-16  7:05 ` [PATCH 08/12] Special case non close-phi nodes with one argument in rewrite_close_phi_out_of_ssa Sebastian Pop
2010-07-16  7:05 ` Sebastian Pop [this message]
2010-07-16  7:05 ` [PATCH 05/12] Remove uses of loop->single_iv Sebastian Pop
2010-07-16  7:05 ` [PATCH 11/12] Do not rewrite out of SSA scalar phi nodes that can be scev_analyzable_p Sebastian Pop
2010-07-16  7:05 ` [PATCH 02/12] Remove expand_scalar_variables_ hack Sebastian Pop
2010-07-16  7:05 ` [PATCH 04/12] Also handle GIMPLE_CALLs in rewrite_cross_bb_scalar_deps Sebastian Pop
2010-07-16  7:05 ` [PATCH 06/12] Bump the size of scevs Sebastian Pop
2010-07-16  8:03   ` Richard Guenther
2010-07-16 14:41     ` Sebastian Pop
2010-07-16  7:05 ` [PATCH 10/12] Correctly handle SSA_NAME_IS_DEFAULT_DEF in rewrite_close_phi_out_of_ssa Sebastian Pop

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