18 lines
723 B
Diff
18 lines
723 B
Diff
|
diff -Nurp a/gcc/tree-ssa-dse.c b/gcc/tree-ssa-dse.c
|
||
|
|
--- a/gcc/tree-ssa-dse.c 2020-09-09 15:47:21 084000000 +800
|
||
|
|
+++ b/gcc/tree-ssa-dse.c 2020-09-09 15:47:34 740000000 +800
|
||
|
|
@@ -119,10 +119,11 @@ initialize_ao_ref_for_dse (gimple *stmt,
|
||
|
|
{
|
||
|
|
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);
|