git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158461
91177308-0d34-0410-b5e6-
96231b3b80d8
// SSA defs do not have output/anti dependencies.
// The current operand is a def, so we have at least one.
- if (llvm::next(MRI.def_begin(Reg)) == MRI.def_end())
- return;
+ //
+ // FIXME: This optimization is disabled pending PR13112.
+ //if (llvm::next(MRI.def_begin(Reg)) == MRI.def_end())
+ // return;
// Add output dependence to the next nearest def of this vreg.
//