diff options
Diffstat (limited to 'gcc/tree-ssa-loop-manip.c')
| -rw-r--r-- | gcc/tree-ssa-loop-manip.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/gcc/tree-ssa-loop-manip.c b/gcc/tree-ssa-loop-manip.c index 7db4f09..f072418 100644 --- a/gcc/tree-ssa-loop-manip.c +++ b/gcc/tree-ssa-loop-manip.c @@ -126,10 +126,22 @@ create_iv (tree base, tree step, tree var, struct loop *loop, gsi_insert_seq_on_edge_immediate (pe, stmts); stmt = gimple_build_assign (va, incr_op, vb, step); + /* Prevent the increment from inheriting a bogus location if it is not put + immediately after a statement whose location is known. */ if (after) - gsi_insert_after (incr_pos, stmt, GSI_NEW_STMT); + { + if (gsi_end_p (*incr_pos)) + { + edge e = single_succ_edge (gsi_bb (*incr_pos)); + gimple_set_location (stmt, e->goto_locus); + } + gsi_insert_after (incr_pos, stmt, GSI_NEW_STMT); + } else - gsi_insert_before (incr_pos, stmt, GSI_NEW_STMT); + { + gimple_set_location (stmt, gimple_location (gsi_stmt (*incr_pos))); + gsi_insert_before (incr_pos, stmt, GSI_NEW_STMT); + } initial = force_gimple_operand (base, &stmts, true, var); if (stmts) |