diff options
| -rw-r--r-- | lib/CodeGen/MachineVerifier.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/CodeGen/MachineVerifier.cpp b/lib/CodeGen/MachineVerifier.cpp index 5660e48b8e..644e3c06da 100644 --- a/lib/CodeGen/MachineVerifier.cpp +++ b/lib/CodeGen/MachineVerifier.cpp @@ -884,6 +884,11 @@ void MachineVerifier::verifyLiveIntervals() { for (LiveIntervals::const_iterator LVI = LiveInts->begin(), LVE = LiveInts->end(); LVI != LVE; ++LVI) { const LiveInterval &LI = *LVI->second; + + // Spilling and splitting may leave unused registers around. Skip them. + if (MRI->use_empty(LI.reg)) + continue; + assert(LVI->first == LI.reg && "Invalid reg to interval mapping"); for (LiveInterval::const_vni_iterator I = LI.vni_begin(), E = LI.vni_end(); |