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| author | Zdenek Dvorak <rakdver@gcc.gnu.org> | 2007-03-12 21:56:12 +0000 |
|---|---|---|
| committer | Zdenek Dvorak <rakdver@gcc.gnu.org> | 2007-03-12 21:56:12 +0000 |
| commit | fbb0d4f87836abb8c0fee3ac8308c80460ecef8c (patch) | |
| tree | e514ce3f0e370009d38ad96a7e1a8faf711baef9 /gcc/lambda-code.c | |
| parent | dc5bbad332834841c4e5016db3245cff1d096638 (diff) | |
| download | gcc-fbb0d4f87836abb8c0fee3ac8308c80460ecef8c.zip gcc-fbb0d4f87836abb8c0fee3ac8308c80460ecef8c.tar.gz gcc-fbb0d4f87836abb8c0fee3ac8308c80460ecef8c.tar.bz2 | |
re PR middle-end/30835 (ICE with -O2 -ftree-loop-linear)
PR tree-optimization/30835
* lambda-code.c (can_convert_to_perfect_nest): Check whether
bb_for_stmt is not NULL before accessing it.
From-SVN: r122866
Diffstat (limited to 'gcc/lambda-code.c')
| -rw-r--r-- | gcc/lambda-code.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/gcc/lambda-code.c b/gcc/lambda-code.c index d763266..487c646 100644 --- a/gcc/lambda-code.c +++ b/gcc/lambda-code.c @@ -2363,8 +2363,9 @@ can_convert_to_perfect_nest (struct loop *loop) { tree arg_stmt = SSA_NAME_DEF_STMT (arg); - if (bb_for_stmt (arg_stmt)->loop_father - == loop->inner) + if (bb_for_stmt (arg_stmt) + && (bb_for_stmt (arg_stmt)->loop_father + == loop->inner)) goto fail; } } |