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| author | Bin Cheng <bin.cheng@arm.com> | 2015-09-17 03:08:41 +0000 |
|---|---|---|
| committer | Bin Cheng <amker@gcc.gnu.org> | 2015-09-17 03:08:41 +0000 |
| commit | f3c5f3a3254ba37d6342ae981fa44aaeebb2382a (patch) | |
| tree | 8ed39fce7ced601faeca17f5996649528ce2ca93 /gcc/tree-ssa-loop-niter.h | |
| parent | e8ae63bb6ccbb7ec3dc5fbfbaf8236b71c59650e (diff) | |
| download | gcc-f3c5f3a3254ba37d6342ae981fa44aaeebb2382a.zip gcc-f3c5f3a3254ba37d6342ae981fa44aaeebb2382a.tar.gz gcc-f3c5f3a3254ba37d6342ae981fa44aaeebb2382a.tar.bz2 | |
tree-ssa-loop-niter.c (tree_simplify_using_condition_1): New parameter.
* tree-ssa-loop-niter.c (tree_simplify_using_condition_1): New
parameter.
(tree_simplify_using_condition): Ditto.
(simplify_using_initial_conditions): Ditto.
(loop_exits_before_overflow): Pass new argument to function
simplify_using_initial_conditions. Remove case for type conversions
simplification.
* tree-ssa-loop-niter.h (simplify_using_initial_conditions): New
parameter.
* tree-scalar-evolution.c (simple_iv): Simplify type conversions
in iv base using loop initial conditions.
gcc/testsuite/ChangeLog
* gcc.dg/tree-ssa/loop-bound-2.c: New test.
* gcc.dg/tree-ssa/loop-bound-4.c: New test.
* gcc.dg/tree-ssa/loop-bound-6.c: New test.
From-SVN: r227843
Diffstat (limited to 'gcc/tree-ssa-loop-niter.h')
| -rw-r--r-- | gcc/tree-ssa-loop-niter.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/gcc/tree-ssa-loop-niter.h b/gcc/tree-ssa-loop-niter.h index 8d4f799..1442fe9 100644 --- a/gcc/tree-ssa-loop-niter.h +++ b/gcc/tree-ssa-loop-niter.h @@ -21,6 +21,8 @@ along with GCC; see the file COPYING3. If not see #define GCC_TREE_SSA_LOOP_NITER_H extern tree expand_simple_operations (tree, tree = NULL); +extern tree simplify_using_initial_conditions (struct loop *, + tree, tree = NULL); extern bool loop_only_exit_p (const struct loop *, const_edge); extern bool number_of_iterations_exit (struct loop *, edge, struct tree_niter_desc *niter, bool, |