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authorBin Cheng <bin.cheng@arm.com>2016-08-09 15:01:49 +0000
committerBin Cheng <amker@gcc.gnu.org>2016-08-09 15:01:49 +0000
commit8aa46dd2d5808a951afee6c6322615225f298d6a (patch)
tree6cd5c3604c5e81b7542cdeeee6648cae43c955ff /gcc/tree-scalar-evolution.c
parentf4fce1837cb18401b714379b7b18ede89b9d4fe5 (diff)
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re PR tree-optimization/72772 (Missed SCEV after pass reordering@236440)
PR tree-optimization/72772 * tree-ssa-loop-niter.h (simplify_using_initial_conditions): Delete parameter STOP. * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Delete parameter STOP and update calls. Move expand_simple_operations function call from here... (simplify_using_initial_conditions): ...to here. Delete parameter STOP. (tree_simplify_using_condition): Delete parameter STOP. * tree-scalar-evolution.c (simple_iv_with_niters): Update call to simplify_using_initial_conditions. From-SVN: r239290
Diffstat (limited to 'gcc/tree-scalar-evolution.c')
-rw-r--r--gcc/tree-scalar-evolution.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/gcc/tree-scalar-evolution.c b/gcc/tree-scalar-evolution.c
index 7c5cefd..b8bfe51 100644
--- a/gcc/tree-scalar-evolution.c
+++ b/gcc/tree-scalar-evolution.c
@@ -3484,7 +3484,7 @@ simple_iv_with_niters (struct loop *wrto_loop, struct loop *use_loop,
bool allow_nonconstant_step)
{
enum tree_code code;
- tree type, ev, base, e, stop;
+ tree type, ev, base, e;
wide_int extreme;
bool folded_casts, overflow;
@@ -3601,8 +3601,7 @@ simple_iv_with_niters (struct loop *wrto_loop, struct loop *use_loop,
return true;
e = fold_build2 (code, boolean_type_node, base,
wide_int_to_tree (type, extreme));
- stop = (TREE_CODE (base) == SSA_NAME) ? base : NULL;
- e = simplify_using_initial_conditions (use_loop, e, stop);
+ e = simplify_using_initial_conditions (use_loop, e);
if (!integer_zerop (e))
return true;