diff options
Diffstat (limited to 'gcc/tree-ssa-phiopt.c')
| -rw-r--r-- | gcc/tree-ssa-phiopt.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/gcc/tree-ssa-phiopt.c b/gcc/tree-ssa-phiopt.c index 88c16e6..1cfa0f5 100644 --- a/gcc/tree-ssa-phiopt.c +++ b/gcc/tree-ssa-phiopt.c @@ -1624,8 +1624,17 @@ cond_if_else_store_replacement (basic_block then_bb, basic_block else_bb, /* Compute and check data dependencies in both basic blocks. */ then_ddrs = VEC_alloc (ddr_p, heap, 1); else_ddrs = VEC_alloc (ddr_p, heap, 1); - compute_all_dependences (then_datarefs, &then_ddrs, NULL, false); - compute_all_dependences (else_datarefs, &else_ddrs, NULL, false); + if (!compute_all_dependences (then_datarefs, &then_ddrs, NULL, false) + || !compute_all_dependences (else_datarefs, &else_ddrs, NULL, false)) + { + free_dependence_relations (then_ddrs); + free_dependence_relations (else_ddrs); + free_data_refs (then_datarefs); + free_data_refs (else_datarefs); + VEC_free (gimple, heap, then_stores); + VEC_free (gimple, heap, else_stores); + return false; + } blocks[0] = then_bb; blocks[1] = else_bb; blocks[2] = join_bb; |