git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@138243
91177308-0d34-0410-b5e6-
96231b3b80d8
break;
default:
// For anything else, check all the operands.
+ // Note that this includes both operands of a Store: while the first
+ // operand isn't actually being dereferenced, it is being stored to
+ // memory where we can no longer track who might read it and dereference
+ // it, so we have to consider it potentially used.
for (User::const_op_iterator OI = I->op_begin(), OE = I->op_end();
OI != OE; ++OI)
if (IsPotentialUse(*OI))