diff options
Diffstat (limited to 'gcc/tree-ssa-loop-ch.c')
| -rw-r--r-- | gcc/tree-ssa-loop-ch.c | 21 |
1 files changed, 16 insertions, 5 deletions
diff --git a/gcc/tree-ssa-loop-ch.c b/gcc/tree-ssa-loop-ch.c index e895981..ff62c68 100644 --- a/gcc/tree-ssa-loop-ch.c +++ b/gcc/tree-ssa-loop-ch.c @@ -215,11 +215,22 @@ copy_loop_headers (void) for (i = 0; i < n_bbs; ++i) { - tree last; - - last = last_stmt (copied_bbs[i]); - if (TREE_CODE (last) == COND_EXPR) - TREE_NO_WARNING (last) = 1; + block_stmt_iterator bsi; + + for (bsi = bsi_start (copied_bbs[i]); + !bsi_end_p (bsi); + bsi_next (&bsi)) + { + tree stmt = bsi_stmt (bsi); + if (TREE_CODE (stmt) == COND_EXPR) + TREE_NO_WARNING (stmt) = 1; + else if (TREE_CODE (stmt) == GIMPLE_MODIFY_STMT) + { + tree rhs = GIMPLE_STMT_OPERAND (stmt, 1); + if (COMPARISON_CLASS_P (rhs)) + TREE_NO_WARNING (stmt) = 1; + } + } } } |