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| author | Richard Biener <rguenther@suse.de> | 2016-07-18 08:46:42 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2016-07-18 08:46:42 +0000 |
| commit | 2e7565b2681274a88ec2c74c6486ca4657295d21 (patch) | |
| tree | 67f2c58b0ee2d8da6cd2cf762718f6ad7882328c /gcc/tree-ssa-pre.c | |
| parent | 9c9549e100cfabaa54ba7b9d97e01143aea167f4 (diff) | |
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re PR tree-optimization/71893 (gfortran.dg ICEs in gcc/tree-ssa-pre.c; -fcode-hoisting?)
2016-07-18 Richard Biener <rguenther@suse.de>
PR tree-optimization/71893
* tree-ssa-pre.c (create_component_ref_by_pieces_1): Compensate
for sizetype cast added by array_ref_element_size.
* tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
From-SVN: r238426
Diffstat (limited to 'gcc/tree-ssa-pre.c')
| -rw-r--r-- | gcc/tree-ssa-pre.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/tree-ssa-pre.c b/gcc/tree-ssa-pre.c index c45eb2e..c59aab8 100644 --- a/gcc/tree-ssa-pre.c +++ b/gcc/tree-ssa-pre.c @@ -2576,6 +2576,9 @@ create_component_ref_by_pieces_1 (basic_block block, vn_reference_t ref, { genop3 = size_binop (EXACT_DIV_EXPR, genop3, size_int (TYPE_ALIGN_UNIT (elmt_type))); + /* We may have a useless conversion added by + array_ref_element_size via copy_reference_opts_from_ref. */ + STRIP_USELESS_TYPE_CONVERSION (genop3); genop3 = find_or_generate_expression (block, genop3, stmts); if (!genop3) return NULL_TREE; |