diff options
| author | Alexander Monakov <amonakov@ispras.ru> | 2019-03-01 19:18:04 +0300 |
|---|---|---|
| committer | Richard Biener <rguenther@suse.de> | 2021-05-04 14:13:18 +0200 |
| commit | a9ac51b5497c92b016bd8d3f7c908f246dbd8f35 (patch) | |
| tree | 6e410e1dd262af071c60bcea481bd2be6fdd7577 | |
| parent | b7bdb6462bb171102bada0579981e2bdbe813b21 (diff) | |
haifa-sched: handle fallthru edge to EXIT block (PR 85899)
2019-03-01 Alexander Monakov <amonakov@ispras.ru>
PR rtl-optimization/85899
* haifa-sched.c (find_fallthru_edge_from): Relax assert to account for
fallthru edges leading to the exit block.
* gcc.dg/pr85899.c: New test.
(cherry picked from commit 5055060066723e409519376c8e571e51cff1eb30)
| -rw-r--r-- | gcc/haifa-sched.c | 2 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/pr85899.c | 17 |
2 files changed, 18 insertions, 1 deletions
diff --git a/gcc/haifa-sched.c b/gcc/haifa-sched.c index 4a899b56173..ba70fc61518 100644 --- a/gcc/haifa-sched.c +++ b/gcc/haifa-sched.c @@ -8056,7 +8056,7 @@ find_fallthru_edge_from (basic_block pred) if (e) { - gcc_assert (e->dest == succ); + gcc_assert (e->dest == succ || e->dest->index == EXIT_BLOCK); return e; } } diff --git a/gcc/testsuite/gcc.dg/pr85899.c b/gcc/testsuite/gcc.dg/pr85899.c new file mode 100644 index 00000000000..eb2b175339c --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr85899.c @@ -0,0 +1,17 @@ +/* { dg-do compile { target powerpc*-*-* ia64-*-* i?86-*-* x86_64-*-* } } */ +/* { dg-options "-O2 -fschedule-insns -fselective-scheduling -funroll-loops -fno-gcse -fno-if-conversion -fno-ivopts" } */ + +#define N 4096 +int cb[N]; +int cc[N]; +int cd[N]; + +void init () +{ + int i; + for (i = 0; i < N; ++i) { + cb[i] = 3 * i - 2048; + cc[i] = -5 * i + 93; + cd[i] = i % 2 ? 1 : -1; + } +} |