diff options
| author | Jakub Jelinek <jakub@redhat.com> | 2015-11-18 11:23:21 +0100 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2015-11-18 11:23:21 +0100 |
| commit | 8ebcad86e6aa747d9ca8a077ab1127a04d0d91d3 (patch) | |
| tree | 45cbeec18a8644392aadc85ed81c832a661162ee /gcc/tree-ssa-reassoc.c | |
| parent | 7d4c4fde0e89b87d4b449504e4790e1f49262772 (diff) | |
| download | gcc-8ebcad86e6aa747d9ca8a077ab1127a04d0d91d3.zip gcc-8ebcad86e6aa747d9ca8a077ab1127a04d0d91d3.tar.gz gcc-8ebcad86e6aa747d9ca8a077ab1127a04d0d91d3.tar.bz2 | |
re PR tree-optimization/68157 (internal compiler error: in reassoc_stmt_dominates_stmt_p, at tree-ssa-reassoc.c:1287)
PR tree-optimization/68157
* tree-ssa-reassoc.c (attempt_builtin_powi): Set uid of
pow_stmt or mul_stmt from stmt's uid.
(reassociate_bb): Set uid of mul_stmt from stmt's uid.
* g++.dg/opt/pr68157.C: New test.
From-SVN: r230530
Diffstat (limited to 'gcc/tree-ssa-reassoc.c')
| -rw-r--r-- | gcc/tree-ssa-reassoc.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/gcc/tree-ssa-reassoc.c b/gcc/tree-ssa-reassoc.c index 7be934d..dfd0da1 100644 --- a/gcc/tree-ssa-reassoc.c +++ b/gcc/tree-ssa-reassoc.c @@ -4441,6 +4441,7 @@ attempt_builtin_powi (gimple *stmt, vec<operand_entry *> *ops) power)); gimple_call_set_lhs (pow_stmt, iter_result); gimple_set_location (pow_stmt, gimple_location (stmt)); + gimple_set_uid (pow_stmt, gimple_uid (stmt)); gsi_insert_before (&gsi, pow_stmt, GSI_SAME_STMT); if (dump_file && (dump_flags & TDF_DETAILS)) @@ -4524,6 +4525,7 @@ attempt_builtin_powi (gimple *stmt, vec<operand_entry *> *ops) mul_stmt = gimple_build_assign (target_ssa, MULT_EXPR, op1, op2); gimple_set_location (mul_stmt, gimple_location (stmt)); + gimple_set_uid (mul_stmt, gimple_uid (stmt)); gsi_insert_before (&gsi, mul_stmt, GSI_SAME_STMT); rf1->repr = target_ssa; @@ -4541,6 +4543,7 @@ attempt_builtin_powi (gimple *stmt, vec<operand_entry *> *ops) power)); gimple_call_set_lhs (pow_stmt, iter_result); gimple_set_location (pow_stmt, gimple_location (stmt)); + gimple_set_uid (pow_stmt, gimple_uid (stmt)); gsi_insert_before (&gsi, pow_stmt, GSI_SAME_STMT); } @@ -4552,6 +4555,7 @@ attempt_builtin_powi (gimple *stmt, vec<operand_entry *> *ops) mul_stmt = gimple_build_assign (new_result, MULT_EXPR, result, iter_result); gimple_set_location (mul_stmt, gimple_location (stmt)); + gimple_set_uid (mul_stmt, gimple_uid (stmt)); gsi_insert_before (&gsi, mul_stmt, GSI_SAME_STMT); gimple_set_visited (mul_stmt, true); result = new_result; @@ -4908,6 +4912,7 @@ reassociate_bb (basic_block bb) mul_stmt = gimple_build_assign (lhs, MULT_EXPR, powi_result, target_ssa); gimple_set_location (mul_stmt, gimple_location (stmt)); + gimple_set_uid (mul_stmt, gimple_uid (stmt)); gsi_insert_after (&gsi, mul_stmt, GSI_NEW_STMT); } } |