From 694a1a82a0034b54fe871b8df4ad74eccc5d7965 Mon Sep 17 00:00:00 2001
From: law <law@138bc75d-0d04-0410-961f-82ee72b054a4>
Date: Thu, 29 Oct 2015 20:37:01 +0000
Subject: [PATCH] Remove unnecessary invalidation support in threading
2015-10-29 Jeff Law <law@redhat.com>
* tree-ssa-scopedtables.h (const_and_copies): Remove invalidate
method.
* tree-ssa-scopedtables.h (const_and_copies::invalidate): Remove.
* tree-ssa-threadedge.c
(record_temporary_equivalences_from_stmts_at_dest): Remove
backedge_seen argument and associated code which invalidated
equivalences based on the value of that argument.
(thread_through_normal_block): Corresponding changes.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@229559 138bc75d-0d04-0410-961f-82ee72b054a4
---
gcc/tree-ssa-scopedtables.h | 6 ------
1 file changed, 6 deletions(-)
(limited to 'gcc/tree-ssa-scopedtables.h')
diff --git a/gcc/tree-ssa-scopedtables.h b/gcc/tree-ssa-scopedtables.h
index 52bcb6ff951..1e6b46cd5bb 100644
--- a/gcc/tree-ssa-scopedtables.h
+++ b/gcc/tree-ssa-scopedtables.h
@@ -168,12 +168,6 @@ class const_and_copies
value for the first argument. Try to get rid of this in the future. */
void record_const_or_copy (tree, tree, tree);
- /* When threading we need to invalidate certain equivalences after
- following a loop backedge. The entries we need to invalidate will
- always be in this unwindable stack. This entry point handles
- finding and invalidating those entries. */
- void invalidate (tree);
-
private:
vec<tree> m_stack;
const_and_copies& operator= (const const_and_copies&);
--
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