Make sure we iterate over newly created instructions. Fixes pr13625. Testcase to

[oota-llvm.git] / lib / CodeGen / TargetInstrInfoImpl.cpp

diff --git a/lib/CodeGen/TargetInstrInfoImpl.cpp b/lib/CodeGen/TargetInstrInfoImpl.cpp
index 8ed66f704430ef4f790d19e319d1800882d7e326..4439192fe2f4ebfa8abcbe6443e4dc97da756c5d 100644 (file)
--- a/lib/CodeGen/TargetInstrInfoImpl.cpp
+++ b/lib/CodeGen/TargetInstrInfoImpl.cpp
@@ -563,6 +563,8 @@ TargetInstrInfoImpl::getNumMicroOps(const InstrItineraryData *ItinData,
 /// Return the default expected latency for a def based on it's opcode.
 unsigned TargetInstrInfo::defaultDefLatency(const MCSchedModel *SchedModel,
                                             const MachineInstr *DefMI) const {
+  if (DefMI->isTransient())
+    return 0;
   if (DefMI->mayLoad())
     return SchedModel->LoadLatency;
   if (isHighLatencyDef(DefMI->getOpcode()))