diff options
Diffstat (limited to 'gcc/loop-init.c')
| -rw-r--r-- | gcc/loop-init.c | 19 |
1 files changed, 5 insertions, 14 deletions
diff --git a/gcc/loop-init.c b/gcc/loop-init.c index 3aa6527a80a..d78b5ace52e 100644 --- a/gcc/loop-init.c +++ b/gcc/loop-init.c @@ -51,14 +51,6 @@ loop_optimizer_init (unsigned flags) flow_loops_find (loops); current_loops = loops; - if (number_of_loops () <= 1) - { - /* No loops (the 1 returned by number_of_loops corresponds to the fake - loop that we put as a root of the loop tree). */ - loop_optimizer_finalize (); - return; - } - if (flags & LOOPS_MAY_HAVE_MULTIPLE_LATCHES) { /* If the loops may have multiple latches, we cannot canonicalize @@ -105,8 +97,7 @@ loop_optimizer_finalize (void) struct loop *loop; basic_block bb; - if (!current_loops) - return; + gcc_assert (current_loops != NULL); FOR_EACH_LOOP (li, loop, 0) { @@ -244,7 +235,7 @@ gate_rtl_move_loop_invariants (void) static unsigned int rtl_move_loop_invariants (void) { - if (current_loops) + if (number_of_loops () > 1) move_loop_invariants (); return 0; } @@ -277,7 +268,7 @@ gate_rtl_unswitch (void) static unsigned int rtl_unswitch (void) { - if (current_loops) + if (number_of_loops () > 1) unswitch_loops (); return 0; } @@ -310,7 +301,7 @@ gate_rtl_unroll_and_peel_loops (void) static unsigned int rtl_unroll_and_peel_loops (void) { - if (current_loops) + if (number_of_loops () > 1) { int flags = 0; @@ -359,7 +350,7 @@ static unsigned int rtl_doloop (void) { #ifdef HAVE_doloop_end - if (current_loops) + if (number_of_loops () > 1) doloop_optimize_loops (); #endif return 0; |