[PATCH] Add missing check for gassign.
Martin Liška
mliska@suse.cz
Thu Jun 18 07:42:31 GMT 2020
Hi.
We should check for gassign before doing gimple_assign_rhs_code and friends.
Ready to be installed after proper testing?
Thanks,
Martin
gcc/ChangeLog:
* tree-vect-generic.c (expand_vector_condition): Check
for gassign before inspecting RHS.
---
gcc/tree-vect-generic.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/gcc/tree-vect-generic.c b/gcc/tree-vect-generic.c
index fb955bbf3d2..83d399a7898 100644
--- a/gcc/tree-vect-generic.c
+++ b/gcc/tree-vect-generic.c
@@ -957,8 +957,9 @@ expand_vector_condition (gimple_stmt_iterator *gsi)
if (code == SSA_NAME)
{
- gimple *assign = SSA_NAME_DEF_STMT (a);
- if (TREE_CODE_CLASS (gimple_assign_rhs_code (assign)) == tcc_comparison)
+ gassign *assign = dyn_cast<gassign *> (SSA_NAME_DEF_STMT (a));
+ if (assign != NULL
+ && TREE_CODE_CLASS (gimple_assign_rhs_code (assign)) == tcc_comparison)
{
a_is_comparison = true;
a1 = gimple_assign_rhs1 (assign);
--
2.27.0
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