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author | Martin Liska <mliska@suse.cz> | 2019-06-27 11:41:34 +0200 |
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committer | Martin Liska <marxin@gcc.gnu.org> | 2019-06-27 09:41:34 +0000 |
commit | 4c4be718fb65f9b8dd06d83c6fa3f697a5369d52 (patch) | |
tree | 8628d7cbb265cdea6fa0ad8b94a416eee3108674 /gcc/tree-ssa-dse.c | |
parent | fecd7a1ab444a38ebda5c1d495ee48f02f290a25 (diff) | |
download | gcc-4c4be718fb65f9b8dd06d83c6fa3f697a5369d52.zip gcc-4c4be718fb65f9b8dd06d83c6fa3f697a5369d52.tar.gz gcc-4c4be718fb65f9b8dd06d83c6fa3f697a5369d52.tar.bz2 |
Fix ICE when __builtin_calloc has no LHS (PR tree-optimization/91014).
2019-06-27 Martin Liska <mliska@suse.cz>
PR tree-optimization/91014
* tree-ssa-dse.c (initialize_ao_ref_for_dse): Bail out
when LHS is NULL_TREE.
2019-06-27 Martin Liska <mliska@suse.cz>
PR tree-optimization/91014
* gcc.target/s390/pr91014.c: New test.
From-SVN: r272738
Diffstat (limited to 'gcc/tree-ssa-dse.c')
-rw-r--r-- | gcc/tree-ssa-dse.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/gcc/tree-ssa-dse.c b/gcc/tree-ssa-dse.c index 1b1a9f3..df05a55 100644 --- a/gcc/tree-ssa-dse.c +++ b/gcc/tree-ssa-dse.c @@ -129,10 +129,11 @@ initialize_ao_ref_for_dse (gimple *stmt, ao_ref *write) { tree nelem = gimple_call_arg (stmt, 0); tree selem = gimple_call_arg (stmt, 1); + tree lhs; if (TREE_CODE (nelem) == INTEGER_CST - && TREE_CODE (selem) == INTEGER_CST) + && TREE_CODE (selem) == INTEGER_CST + && (lhs = gimple_call_lhs (stmt)) != NULL_TREE) { - tree lhs = gimple_call_lhs (stmt); tree size = fold_build2 (MULT_EXPR, TREE_TYPE (nelem), nelem, selem); ao_ref_init_from_ptr_and_size (write, lhs, size); |