diff options
Diffstat (limited to 'gcc/tree-tailcall.c')
| -rw-r--r-- | gcc/tree-tailcall.c | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/gcc/tree-tailcall.c b/gcc/tree-tailcall.c index e97f6db89d8..098fff07d2f 100644 --- a/gcc/tree-tailcall.c +++ b/gcc/tree-tailcall.c @@ -847,17 +847,21 @@ eliminate_tail_call (struct tailcall *t) possibly unreachable code in other blocks is removed later in cfg cleanup. */ gsi = t->call_gsi; - gsi_next (&gsi); - while (!gsi_end_p (gsi)) + gimple_stmt_iterator gsi2 = gsi_last_bb (gimple_bb (gsi_stmt (gsi))); + while (gsi_stmt (gsi2) != gsi_stmt (gsi)) { - gimple *t = gsi_stmt (gsi); + gimple *t = gsi_stmt (gsi2); /* Do not remove the return statement, so that redirect_edge_and_branch sees how the block ends. */ - if (gimple_code (t) == GIMPLE_RETURN) - break; - - gsi_remove (&gsi, true); - release_defs (t); + if (gimple_code (t) != GIMPLE_RETURN) + { + gimple_stmt_iterator gsi3 = gsi2; + gsi_prev (&gsi2); + gsi_remove (&gsi3, true); + release_defs (t); + } + else + gsi_prev (&gsi2); } /* Number of executions of function has reduced by the tailcall. */ |