diff options
Diffstat (limited to 'gcc/tree-ssa-ccp.c')
| -rw-r--r-- | gcc/tree-ssa-ccp.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/gcc/tree-ssa-ccp.c b/gcc/tree-ssa-ccp.c index 5af3810..311918b 100644 --- a/gcc/tree-ssa-ccp.c +++ b/gcc/tree-ssa-ccp.c @@ -615,9 +615,17 @@ get_value_for_expr (tree expr, bool for_bits_p) val.mask = -1; } if (for_bits_p - && val.lattice_val == CONSTANT - && TREE_CODE (val.value) == ADDR_EXPR) - val = get_value_from_alignment (val.value); + && val.lattice_val == CONSTANT) + { + if (TREE_CODE (val.value) == ADDR_EXPR) + val = get_value_from_alignment (val.value); + else if (TREE_CODE (val.value) != INTEGER_CST) + { + val.lattice_val = VARYING; + val.value = NULL_TREE; + val.mask = -1; + } + } /* Fall back to a copy value. */ if (!for_bits_p && val.lattice_val == VARYING |