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Diffstat (limited to 'gcc/tree-ssa-phiopt.c')
| -rw-r--r-- | gcc/tree-ssa-phiopt.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/gcc/tree-ssa-phiopt.c b/gcc/tree-ssa-phiopt.c index 11e565f..4c3fe50 100644 --- a/gcc/tree-ssa-phiopt.c +++ b/gcc/tree-ssa-phiopt.c @@ -1706,7 +1706,7 @@ cond_if_else_store_replacement (basic_block then_bb, basic_block else_bb, == chrec_dont_know) || !then_datarefs.length () || (find_data_references_in_bb (NULL, else_bb, &else_datarefs) - == chrec_dont_know) + == chrec_dont_know) || !else_datarefs.length ()) { free_data_refs (then_datarefs); @@ -1723,6 +1723,8 @@ cond_if_else_store_replacement (basic_block then_bb, basic_block else_bb, then_store = DR_STMT (then_dr); then_lhs = gimple_get_lhs (then_store); + if (then_lhs == NULL_TREE) + continue; found = false; FOR_EACH_VEC_ELT (else_datarefs, j, else_dr) @@ -1732,6 +1734,8 @@ cond_if_else_store_replacement (basic_block then_bb, basic_block else_bb, else_store = DR_STMT (else_dr); else_lhs = gimple_get_lhs (else_store); + if (else_lhs == NULL_TREE) + continue; if (operand_equal_p (then_lhs, else_lhs, 0)) { |