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authorAndrew MacLeod <amacleod@redhat.com>2023-07-31 10:08:51 -0400
committerAndrew MacLeod <amacleod@redhat.com>2023-07-31 12:01:27 -0400
commitb769811e7c1b3dff2fa0ec2c37b52859d7bceed4 (patch)
tree2258f614cfa60ac6ada690077ba2c0abdf38710c /gcc/gimple-range-fold.cc
parentb67c98a547757b40678c788a53fab38379f58d03 (diff)
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fur_list should not use the range vector for non-ssa operands.
gcc/ PR tree-optimization/110582 * gimple-range-fold.cc (fur_list::get_operand): Do not use the range vector for non-ssa names. gcc/testsuite/ * gcc.dg/pr110582.c: New.
Diffstat (limited to 'gcc/gimple-range-fold.cc')
-rw-r--r--gcc/gimple-range-fold.cc3
1 files changed, 2 insertions, 1 deletions
diff --git a/gcc/gimple-range-fold.cc b/gcc/gimple-range-fold.cc
index d072460..ab2d996 100644
--- a/gcc/gimple-range-fold.cc
+++ b/gcc/gimple-range-fold.cc
@@ -262,7 +262,8 @@ fur_list::fur_list (unsigned num, vrange **list, range_query *q)
bool
fur_list::get_operand (vrange &r, tree expr)
{
- if (m_index >= m_limit)
+ // Do not use the vector for non-ssa-names, or if it has been emptied.
+ if (TREE_CODE (expr) != SSA_NAME || m_index >= m_limit)
return m_query->range_of_expr (r, expr);
r = *m_list[m_index++];
gcc_checking_assert (range_compatible_p (TREE_TYPE (expr), r.type ()));