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| author | Sebastian Pop <sebastian.pop@amd.com> | 2010-01-14 07:38:15 +0000 |
|---|---|---|
| committer | Sebastian Pop <spop@gcc.gnu.org> | 2010-01-14 07:38:15 +0000 |
| commit | a7bf45dee541cfa10350a814f5fbf14c5a316a7f (patch) | |
| tree | e7d4749d1d7087c6a71839b545d5d0b794c4ca4d /gcc/tree-scalar-evolution.c | |
| parent | 453897b4dde0964a55d4b3ebbdbb2bfaabec748a (diff) | |
| download | gcc-a7bf45dee541cfa10350a814f5fbf14c5a316a7f.zip gcc-a7bf45dee541cfa10350a814f5fbf14c5a316a7f.tar.gz gcc-a7bf45dee541cfa10350a814f5fbf14c5a316a7f.tar.bz2 | |
re PR tree-optimization/42732 ([graphite] ICE: verify_ssa failed)
Fix PR42732.
2010-01-14 Sebastian Pop <sebastian.pop@amd.com>
PR middle-end/42732
* graphite-clast-to-gimple.c (gloog): Call scev_reset_htab and
rename_nb_iterations.
* sese.c (rename_variables_in_operand): New.
(rename_variables_in_expr): New.
(rename_nb_iterations): New.
(sese_adjust_liveout_phis): Update the rename_map.
* sese.h (rename_nb_iterations): Declared.
* tree-scalar-evolution.c (scev_reset_htab): New.
(scev_reset): Call scev_reset_htab.
* tree-scalar-evolution.h (scev_reset_htab): Declared.
* testsuite/gfortran.dg/graphite/pr42732.f: New.
From-SVN: r155881
Diffstat (limited to 'gcc/tree-scalar-evolution.c')
| -rw-r--r-- | gcc/tree-scalar-evolution.c | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/gcc/tree-scalar-evolution.c b/gcc/tree-scalar-evolution.c index 3ebc54e..4d8f85e 100644 --- a/gcc/tree-scalar-evolution.c +++ b/gcc/tree-scalar-evolution.c @@ -3033,7 +3033,20 @@ scev_initialize (void) } } -/* Cleans up the information cached by the scalar evolutions analysis. */ +/* Cleans up the information cached by the scalar evolutions analysis + in the hash table. */ + +void +scev_reset_htab (void) +{ + if (!scalar_evolution_info) + return; + + htab_empty (scalar_evolution_info); +} + +/* Cleans up the information cached by the scalar evolutions analysis + in the hash table and in the loop->nb_iterations. */ void scev_reset (void) @@ -3041,10 +3054,11 @@ scev_reset (void) loop_iterator li; struct loop *loop; - if (!scalar_evolution_info || !current_loops) + scev_reset_htab (); + + if (!current_loops) return; - htab_empty (scalar_evolution_info); FOR_EACH_LOOP (li, loop, 0) { loop->nb_iterations = NULL_TREE; |