diff options
Diffstat (limited to 'gcc/tree-data-ref.c')
| -rw-r--r-- | gcc/tree-data-ref.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/gcc/tree-data-ref.c b/gcc/tree-data-ref.c index 85e6d72..94bdaca 100644 --- a/gcc/tree-data-ref.c +++ b/gcc/tree-data-ref.c @@ -565,6 +565,27 @@ split_constant_offset (tree exp, tree *var, tree *off) return; } + case SSA_NAME: + { + tree def_stmt = SSA_NAME_DEF_STMT (exp); + if (TREE_CODE (def_stmt) == GIMPLE_MODIFY_STMT) + { + tree def_stmt_rhs = GIMPLE_STMT_OPERAND (def_stmt, 1); + + if (!TREE_SIDE_EFFECTS (def_stmt_rhs) + && EXPR_P (def_stmt_rhs) + && !REFERENCE_CLASS_P (def_stmt_rhs)) + { + split_constant_offset (def_stmt_rhs, &var0, &off0); + var0 = fold_convert (type, var0); + *var = var0; + *off = off0; + return; + } + } + break; + } + default: break; } |