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| author | Bin Cheng <bin.cheng@arm.com> | 2016-07-15 09:04:57 +0000 |
|---|---|---|
| committer | Bin Cheng <amker@gcc.gnu.org> | 2016-07-15 09:04:57 +0000 |
| commit | 43aabfcfd4139e4c9e7b868199e09b97e66010bc (patch) | |
| tree | bf2cd011c65849144b67a4d65d74e9dc61f556d8 /gcc/tree-scalar-evolution.h | |
| parent | afc89e58498ef6a275d4e018d26b6fca3940ef1e (diff) | |
| download | gcc-43aabfcfd4139e4c9e7b868199e09b97e66010bc.zip gcc-43aabfcfd4139e4c9e7b868199e09b97e66010bc.tar.gz gcc-43aabfcfd4139e4c9e7b868199e09b97e66010bc.tar.bz2 | |
tree-scalar-evolution.c (simple_iv_with_niters): New funcion.
* tree-scalar-evolution.c (simple_iv_with_niters): New funcion.
(derive_simple_iv_with_niters): New function.
(simple_iv): Rewrite using simple_iv_with_niters.
* tree-scalar-evolution.h (simple_iv_with_niters): New decl.
* tree-ssa-loop-niter.c (number_of_iterations_exit_assumptions): New
function.
(number_of_iterations_exit): Rewrite using above function.
* tree-ssa-loop-niter.h (number_of_iterations_exit_assumptions): New
Decl.
gcc/testsuite
* gcc.dg/tree-ssa/loop-41.c: New test.
From-SVN: r238367
Diffstat (limited to 'gcc/tree-scalar-evolution.h')
| -rw-r--r-- | gcc/tree-scalar-evolution.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/gcc/tree-scalar-evolution.h b/gcc/tree-scalar-evolution.h index 382d717..a77e452 100644 --- a/gcc/tree-scalar-evolution.h +++ b/gcc/tree-scalar-evolution.h @@ -36,6 +36,8 @@ extern void gather_stats_on_scev_database (void); extern void final_value_replacement_loop (struct loop *); extern unsigned int scev_const_prop (void); extern bool expression_expensive_p (tree); +extern bool simple_iv_with_niters (struct loop *, struct loop *, tree, + struct affine_iv *, tree *, bool); extern bool simple_iv (struct loop *, struct loop *, tree, struct affine_iv *, bool); extern bool iv_can_overflow_p (struct loop *, tree, tree, tree); |