diff options
Diffstat (limited to 'lib/CodeGen/ScheduleDAGInstrs.cpp')
| -rw-r--r-- | lib/CodeGen/ScheduleDAGInstrs.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/CodeGen/ScheduleDAGInstrs.cpp b/lib/CodeGen/ScheduleDAGInstrs.cpp index 24b9cd0b45..110f478f48 100644 --- a/lib/CodeGen/ScheduleDAGInstrs.cpp +++ b/lib/CodeGen/ScheduleDAGInstrs.cpp @@ -413,8 +413,10 @@ void ScheduleDAGInstrs::addVRegDefDeps(SUnit *SU, unsigned OperIdx) { // 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. // |