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| author | Zdenek Dvorak <dvorakz@suse.cz> | 2005-06-05 20:07:43 +0200 |
|---|---|---|
| committer | Zdenek Dvorak <rakdver@gcc.gnu.org> | 2005-06-05 18:07:43 +0000 |
| commit | d5ab56750864fa89c06a33d2f2d8e532d8b6b76a (patch) | |
| tree | cfeafcc33d51ab68e1c5e4385dfbe70b56fbca72 /gcc/tree-cfg.c | |
| parent | 86403f0f329ea996b6323d4011d5da0111ab80d8 (diff) | |
| download | gcc-d5ab56750864fa89c06a33d2f2d8e532d8b6b76a.zip gcc-d5ab56750864fa89c06a33d2f2d8e532d8b6b76a.tar.gz gcc-d5ab56750864fa89c06a33d2f2d8e532d8b6b76a.tar.bz2 | |
re PR middle-end/21846 (segfault in fold_binary compiling vpr with -O2 -funroll-loops)
PR tree-optimization/21846
* tree-cfg.c (replace_uses_by): Update information stored at loops.
* tree-flow.h (substitute_in_loop_info): Declare.
* tree-scalar-evolution.c (initialize_scalar_evolutions_analyzer):
Ensure that chrec_dont_know and chrec_known have a type.
* tree-ssa-loop-niter.c (substitute_in_loop_info): New function.
From-SVN: r100631
Diffstat (limited to 'gcc/tree-cfg.c')
| -rw-r--r-- | gcc/tree-cfg.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/gcc/tree-cfg.c b/gcc/tree-cfg.c index 2776f21..6108dd8 100644 --- a/gcc/tree-cfg.c +++ b/gcc/tree-cfg.c @@ -1264,6 +1264,19 @@ replace_uses_by (tree name, tree val) } VEC_free (tree, heap, stmts); + + /* Also update the trees stored in loop structures. */ + if (current_loops) + { + struct loop *loop; + + for (i = 0; i < current_loops->num; i++) + { + loop = current_loops->parray[i]; + if (loop) + substitute_in_loop_info (loop, name, val); + } + } } /* Merge block B into block A. */ |