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[PATCH] Fix PR bootstrap/63995
- From: Ilya Enkovich <enkovich dot gnu at gmail dot com>
- To: gcc-patches at gcc dot gnu dot org
- Date: Wed, 26 Nov 2014 15:41:46 +0300
- Subject: [PATCH] Fix PR bootstrap/63995
- Authentication-results: sourceware.org; auth=none
Hi,
This patch makes optimization for bounds lifetime reduction to ignore debug stetments. This fixes stage2 and stage3 comparision for instrumented boostrap. OK for trunk?
Thanks,
Ilya
--
2014-11-26 Ilya Enkovich <ilya.enkovich@intel.com>
PR bootstrap/63995
* tree-chkp-opt.c (chkp_reduce_bounds_lifetime): Ignore
debug statement when searching for a new position for
bounds load/creation statement.
diff --git a/gcc/tree-chkp-opt.c b/gcc/tree-chkp-opt.c
index ff390d7..92e0694 100644
--- a/gcc/tree-chkp-opt.c
+++ b/gcc/tree-chkp-opt.c
@@ -1175,6 +1175,9 @@ chkp_reduce_bounds_lifetime (void)
FOR_EACH_IMM_USE_STMT (use_stmt, use_iter, op)
{
+ if (is_gimple_debug (use_stmt))
+ continue;
+
if (dom_bb &&
dominated_by_p (CDI_DOMINATORS,
dom_bb, gimple_bb (use_stmt)))