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| author | Martin Jambor <mjambor@suse.cz> | 2011-11-18 16:13:54 +0100 |
|---|---|---|
| committer | Martin Jambor <jamborm@gcc.gnu.org> | 2011-11-18 16:13:54 +0100 |
| commit | 39cc8c3d6bc5bd2d202a368bec2770c86497a408 (patch) | |
| tree | ac6d85de16d80fdad124ecf877b09fc745dc5d89 /gcc/gimple.c | |
| parent | f252165363acf536369823939446bf1459862852 (diff) | |
| download | gcc-39cc8c3d6bc5bd2d202a368bec2770c86497a408.zip gcc-39cc8c3d6bc5bd2d202a368bec2770c86497a408.tar.gz gcc-39cc8c3d6bc5bd2d202a368bec2770c86497a408.tar.bz2 | |
re PR tree-optimization/50605 (ice in ipa_get_jf_pass_through_result with -O3)
2011-11-18 Martin Jambor <mjambor@suse.cz>
PR tree-optimization/50605
* gimple.c (is_gimple_ip_invariant_address): Also handle MEM_REFs
of IPA invariant decls.
* testsuite/g++.dg/ipa/pr50605.C: New test.
From-SVN: r181477
Diffstat (limited to 'gcc/gimple.c')
| -rw-r--r-- | gcc/gimple.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/gcc/gimple.c b/gcc/gimple.c index 6168d33..071c651 100644 --- a/gcc/gimple.c +++ b/gcc/gimple.c @@ -2858,8 +2858,18 @@ is_gimple_ip_invariant_address (const_tree t) return false; op = strip_invariant_refs (TREE_OPERAND (t, 0)); + if (!op) + return false; + + if (TREE_CODE (op) == MEM_REF) + { + const_tree op0 = TREE_OPERAND (op, 0); + return (TREE_CODE (op0) == ADDR_EXPR + && (CONSTANT_CLASS_P (TREE_OPERAND (op0, 0)) + || decl_address_ip_invariant_p (TREE_OPERAND (op0, 0)))); + } - return op && (CONSTANT_CLASS_P (op) || decl_address_ip_invariant_p (op)); + return CONSTANT_CLASS_P (op) || decl_address_ip_invariant_p (op); } /* Return true if T is a GIMPLE minimal invariant. It's a restricted |