From bb8dad56465cee82440a0c54c9a8f32d709d396a Mon Sep 17 00:00:00 2001
From: pinskia <pinskia@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Sat, 31 Dec 2005 19:38:05 +0000
Subject: [PATCH] 2005-12-31 Andrew Pinski <pinskia@ohysics.uc.edu>
PR tree-opt/25612
* tree-ssa-pre.c (compute_avail): Treat the static chain decl as a
parameter and pretend that it is defined in the entry basic block.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@109200 138bc75d-0d04-0410-961f-82ee72b054a4
---
gcc/ChangeLog | 6 ++++++
gcc/tree-ssa-pre.c | 13 +++++++++++++
2 files changed, 19 insertions(+)
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 76a237dd638f..43098de9f475 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2005-12-31 Andrew Pinski <pinskia@ohysics.uc.edu>
+
+ PR tree-opt/25612
+ * tree-ssa-pre.c (compute_avail): Treat the static chain decl as a
+ parameter and pretend that it is defined in the entry basic block.
+
2005-12-30 Kazu Hirata <kazu@codesourcery.com>
* tree-outof-ssa.c (_elim_graph): Change the type of STACK to
diff --git a/gcc/tree-ssa-pre.c b/gcc/tree-ssa-pre.c
index f0bf0205297c..2e2fd64b626c 100644
--- a/gcc/tree-ssa-pre.c
+++ b/gcc/tree-ssa-pre.c
@@ -3086,6 +3086,19 @@ compute_avail (void)
}
}
+ /* Likewise for the static chain decl. */
+ if (cfun->static_chain_decl)
+ {
+ param = cfun->static_chain_decl;
+ if (default_def (param) != NULL)
+ {
+ tree def = default_def (param);
+ vn_lookup_or_add (def, NULL);
+ bitmap_insert_into_set (TMP_GEN (ENTRY_BLOCK_PTR), def);
+ bitmap_value_insert_into_set (AVAIL_OUT (ENTRY_BLOCK_PTR), def);
+ }
+ }
+
/* Allocate the worklist. */
worklist = XNEWVEC (basic_block, n_basic_blocks);
--
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