diff options
| author | Richard Guenther <rguenther@suse.de> | 2009-02-17 15:01:40 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2009-02-17 15:01:40 +0000 |
| commit | 73a63870d5b36819f06ac187feed2185761a6d15 (patch) | |
| tree | 3f74ad84325241290e2fc14ac6671923403fcebe /gcc/tree-ssa-pre.c | |
| parent | 1f2f555a97a392fb6e4e1951da89b9f64b335b73 (diff) | |
| download | gcc-73a63870d5b36819f06ac187feed2185761a6d15.zip gcc-73a63870d5b36819f06ac187feed2185761a6d15.tar.gz gcc-73a63870d5b36819f06ac187feed2185761a6d15.tar.bz2 | |
re PR tree-optimization/39204 (ICE in compute_antic)
2009-02-17 Richard Guenther <rguenther@suse.de>
PR tree-optimization/39204
* tree-ssa-pre.c (phi_translate_1): Lookup the value-number
of the PHI arg.
* gcc.dg/torture/pr39204.c: New testcase.
From-SVN: r144233
Diffstat (limited to 'gcc/tree-ssa-pre.c')
| -rw-r--r-- | gcc/tree-ssa-pre.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/tree-ssa-pre.c b/gcc/tree-ssa-pre.c index 32c557c..0238d23 100644 --- a/gcc/tree-ssa-pre.c +++ b/gcc/tree-ssa-pre.c @@ -1707,6 +1707,9 @@ phi_translate_1 (pre_expr expr, bitmap_set_t set1, bitmap_set_t set2, tree def = PHI_ARG_DEF (phi, e->dest_idx); pre_expr newexpr; + if (TREE_CODE (def) == SSA_NAME) + def = VN_INFO (def)->valnum; + /* Handle constant. */ if (is_gimple_min_invariant (def)) return get_or_alloc_expr_for_constant (def); |