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| author | Bin Cheng <bin.cheng@arm.com> | 2015-06-02 10:19:18 +0000 |
|---|---|---|
| committer | Bin Cheng <amker@gcc.gnu.org> | 2015-06-02 10:19:18 +0000 |
| commit | 2f07b722ed0302ded58710b6d8485d85d785b4ee (patch) | |
| tree | 5afe55006761ff005599d44216fad2d86d243e58 /gcc/tree-ssa-loop-niter.h | |
| parent | b47717225bfbffb2e06c0f2a7e72b458ba40fc17 (diff) | |
| download | gcc-2f07b722ed0302ded58710b6d8485d85d785b4ee.zip gcc-2f07b722ed0302ded58710b6d8485d85d785b4ee.tar.gz gcc-2f07b722ed0302ded58710b6d8485d85d785b4ee.tar.bz2 | |
re PR tree-optimization/48052 (loop not vectorized if index is "unsigned int")
PR tree-optimization/48052
* cfgloop.h (struct control_iv): New.
(struct loop): New field control_ivs.
* tree-ssa-loop-niter.c : Include "stor-layout.h".
(number_of_iterations_lt): Set no_overflow information.
(number_of_iterations_exit): Init control iv in niter struct.
(record_control_iv): New.
(estimate_numbers_of_iterations_loop): Call record_control_iv.
(loop_exits_before_overflow): New. Interface factored out of
scev_probably_wraps_p.
(scev_probably_wraps_p): Factor loop niter related code into
loop_exits_before_overflow.
(free_numbers_of_iterations_estimates_loop): Free control ivs.
* tree-ssa-loop-niter.h (free_loop_control_ivs): New.
gcc/testsuite/ChangeLog
PR tree-optimization/48052
* gcc.dg/tree-ssa/scev-8.c: New.
* gcc.dg/tree-ssa/scev-9.c: New.
* gcc.dg/tree-ssa/scev-10.c: New.
* gcc.dg/vect/pr48052.c: New.
From-SVN: r224020
Diffstat (limited to 'gcc/tree-ssa-loop-niter.h')
| -rw-r--r-- | gcc/tree-ssa-loop-niter.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/gcc/tree-ssa-loop-niter.h b/gcc/tree-ssa-loop-niter.h index 7134906..8d4f799 100644 --- a/gcc/tree-ssa-loop-niter.h +++ b/gcc/tree-ssa-loop-niter.h @@ -41,6 +41,7 @@ extern void estimate_numbers_of_iterations (void); extern bool stmt_dominates_stmt_p (gimple, gimple); extern bool nowrap_type_p (tree); extern bool scev_probably_wraps_p (tree, tree, gimple, struct loop *, bool); +extern void free_loop_control_ivs (struct loop *); extern void free_numbers_of_iterations_estimates_loop (struct loop *); extern void free_numbers_of_iterations_estimates (void); extern void substitute_in_loop_info (struct loop *, tree, tree); |