Fix accidental off by one change

Didn't break any tests, but did unnecessary extra work.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@254529 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp b/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp
index cb573f2effde28595957d06951962a7ecac28fbd..78985e01ef9a3fc0373c321c09d5bdffe80af171 100644 (file)
--- a/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp
+++ b/lib/CodeGen/SelectionDAG/ScheduleDAGRRList.cpp
@@ -1244,7 +1244,7 @@ static void CheckForLiveRegDefMasked(SUnit *SU, const uint32_t *RegMask,
                                      SmallSet<unsigned, 4> &RegAdded,
                                      SmallVectorImpl<unsigned> &LRegs) {
   // Look at all live registers. Skip Reg0 and the special CallResource.
-  for (unsigned i = 1, e = LiveRegDefs.size(); i != e; ++i) {
+  for (unsigned i = 1, e = LiveRegDefs.size()-1; i != e; ++i) {
     if (!LiveRegDefs[i]) continue;
     if (LiveRegDefs[i] == SU) continue;
     if (!MachineOperand::clobbersPhysReg(RegMask, i)) continue;