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| author | Richard Guenther <rguenther@suse.de> | 2009-01-28 12:14:09 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2009-01-28 12:14:09 +0000 |
| commit | de081cfd3b88d197c6c3e545c6d55581140c7c21 (patch) | |
| tree | e22ed45816e3ff1acc6a5f7a1c09d36975f8d64f /gcc/tree-ssa-sccvn.c | |
| parent | a9d386a14ff953d7d3a6365cfe49dae318a1f7b1 (diff) | |
| download | gcc-de081cfd3b88d197c6c3e545c6d55581140c7c21.zip gcc-de081cfd3b88d197c6c3e545c6d55581140c7c21.tar.gz gcc-de081cfd3b88d197c6c3e545c6d55581140c7c21.tar.bz2 | |
re PR tree-optimization/38926 (ice in find_or_generate_expression, at tree-ssa-pre.c:2769)
2009-01-28 Richard Guenther <rguenther@suse.de>
PR tree-optimization/38926
* tree-ssa-pre.c (add_to_value): Assert we add only expressions
with the correct value id to a value.
(do_regular_insertion): Use the value number of edoubleprime
for the value number of the expr.
Revert
2008-08-21 Richard Guenther <rguenther@suse.de>
* tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
a PHI ask VN if it is already available.
* tree-ssa-sccvn.h (vn_phi_lookup): Declare.
* tree-ssa-sccvn.c (vn_phi_lookup): Export.
* gcc.c-torture/compile/pr38926.c: New testcase.
From-SVN: r143725
Diffstat (limited to 'gcc/tree-ssa-sccvn.c')
| -rw-r--r-- | gcc/tree-ssa-sccvn.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/gcc/tree-ssa-sccvn.c b/gcc/tree-ssa-sccvn.c index d9d5bc2..87ddcb6 100644 --- a/gcc/tree-ssa-sccvn.c +++ b/gcc/tree-ssa-sccvn.c @@ -1481,7 +1481,7 @@ static VEC(tree, heap) *shared_lookup_phiargs; value number if it exists in the hash table. Return NULL_TREE if it does not exist in the hash table. */ -tree +static tree vn_phi_lookup (gimple phi) { void **slot; |