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Diffstat (limited to 'gcc/tree-ssa-loop-niter.c')
| -rw-r--r-- | gcc/tree-ssa-loop-niter.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/tree-ssa-loop-niter.c b/gcc/tree-ssa-loop-niter.c index 4e9a2ac..39d6807 100644 --- a/gcc/tree-ssa-loop-niter.c +++ b/gcc/tree-ssa-loop-niter.c @@ -2083,6 +2083,10 @@ simplify_using_initial_conditions (struct loop *loop, tree expr) if (e->flags & EDGE_FALSE_VALUE) cond = invert_truthvalue (cond); expr = tree_simplify_using_condition (cond, expr); + /* Break if EXPR is simplified to const values. */ + if (expr && (integer_zerop (expr) || integer_nonzerop (expr))) + break; + ++cnt; } |