diff options
Diffstat (limited to 'gcc/tree-ssa-phiprop.c')
| -rw-r--r-- | gcc/tree-ssa-phiprop.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/gcc/tree-ssa-phiprop.c b/gcc/tree-ssa-phiprop.c index dc1cb28..6595515 100644 --- a/gcc/tree-ssa-phiprop.c +++ b/gcc/tree-ssa-phiprop.c @@ -139,7 +139,7 @@ phiprop_insert_phi (basic_block bb, gimple phi, gimple use_stmt, edge e; gcc_assert (is_gimple_assign (use_stmt) - && gimple_assign_rhs_code (use_stmt) == INDIRECT_REF); + && gimple_assign_rhs_code (use_stmt) == MEM_REF); /* Build a new PHI node to replace the definition of the indirect reference lhs. */ @@ -295,8 +295,11 @@ propagate_with_phi (basic_block bb, gimple phi, struct phiprop_d *phivn, /* Check whether this is a load of *ptr. */ if (!(is_gimple_assign (use_stmt) && TREE_CODE (gimple_assign_lhs (use_stmt)) == SSA_NAME - && gimple_assign_rhs_code (use_stmt) == INDIRECT_REF + && gimple_assign_rhs_code (use_stmt) == MEM_REF && TREE_OPERAND (gimple_assign_rhs1 (use_stmt), 0) == ptr + && integer_zerop (TREE_OPERAND (gimple_assign_rhs1 (use_stmt), 1)) + && types_compatible_p (TREE_TYPE (gimple_assign_rhs1 (use_stmt)), + TREE_TYPE (TREE_TYPE (ptr))) /* We cannot replace a load that may throw or is volatile. */ && !stmt_can_throw_internal (use_stmt))) continue; |