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| author | Zdenek Dvorak <rakdver@gcc.gnu.org> | 2007-01-13 19:12:39 +0000 |
|---|---|---|
| committer | Zdenek Dvorak <rakdver@gcc.gnu.org> | 2007-01-13 19:12:39 +0000 |
| commit | 2a134b7364cc5b6ed52edd00702240052aa8103c (patch) | |
| tree | 8446575dc0c1e9a3e001053e272f3a83237449b0 /gcc/ipa-reference.c | |
| parent | 8f0d85d6e81d481c61a70ec77d7f14c77c9d5921 (diff) | |
| download | gcc-2a134b7364cc5b6ed52edd00702240052aa8103c.zip gcc-2a134b7364cc5b6ed52edd00702240052aa8103c.tar.gz gcc-2a134b7364cc5b6ed52edd00702240052aa8103c.tar.bz2 | |
ipa-reference.c (analyze_function): Consider also addresses taken in phi nodes.
* ipa-reference.c (analyze_function): Consider also addresses taken
in phi nodes.
* gcc.dg/20070112-1.c: New test.
From-SVN: r120757
Diffstat (limited to 'gcc/ipa-reference.c')
| -rw-r--r-- | gcc/ipa-reference.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/gcc/ipa-reference.c b/gcc/ipa-reference.c index 8602afd..b1ff849 100644 --- a/gcc/ipa-reference.c +++ b/gcc/ipa-reference.c @@ -807,6 +807,21 @@ analyze_function (struct cgraph_node *fn) FOR_EACH_BB_FN (this_block, this_cfun) { block_stmt_iterator bsi; + tree phi, op; + use_operand_p use; + ssa_op_iter iter; + + /* Find the addresses taken in phi node arguments. */ + for (phi = phi_nodes (this_block); phi; phi = PHI_CHAIN (phi)) + { + FOR_EACH_PHI_ARG (use, phi, iter, SSA_OP_USE) + { + op = USE_FROM_PTR (use); + if (TREE_CODE (op) == ADDR_EXPR) + check_rhs_var (l, op); + } + } + for (bsi = bsi_start (this_block); !bsi_end_p (bsi); bsi_next (&bsi)) walk_tree (bsi_stmt_ptr (bsi), scan_for_static_refs, fn, visited_nodes); |