diff options
Diffstat (limited to 'gcc/loop-iv.c')
| -rw-r--r-- | gcc/loop-iv.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/gcc/loop-iv.c b/gcc/loop-iv.c index 43d3c4e..50b7536 100644 --- a/gcc/loop-iv.c +++ b/gcc/loop-iv.c @@ -2593,8 +2593,10 @@ iv_number_of_iterations (struct loop *loop, rtx insn, rtx condition, ? iv0.base : mode_mmin); max = (up - down) / inc + 1; - record_niter_bound (loop, double_int::from_uhwi (max), - false, true); + if (!desc->infinite + && !desc->assumptions) + record_niter_bound (loop, double_int::from_uhwi (max), + false, true); if (iv0.step == const0_rtx) { @@ -2806,15 +2808,19 @@ iv_number_of_iterations (struct loop *loop, rtx insn, rtx condition, desc->const_iter = true; desc->niter = val & GET_MODE_MASK (desc->mode); - record_niter_bound (loop, double_int::from_uhwi (desc->niter), - false, true); + if (!desc->infinite + && !desc->assumptions) + record_niter_bound (loop, double_int::from_uhwi (desc->niter), + false, true); } else { max = determine_max_iter (loop, desc, old_niter); gcc_assert (max); - record_niter_bound (loop, double_int::from_uhwi (max), - false, true); + if (!desc->infinite + && !desc->assumptions) + record_niter_bound (loop, double_int::from_uhwi (max), + false, true); /* simplify_using_initial_values does a copy propagation on the registers in the expression for the number of iterations. This prolongs life |