aboutsummaryrefslogtreecommitdiff
path: root/lib/CodeGen/RegAllocLocal.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'lib/CodeGen/RegAllocLocal.cpp')
-rw-r--r--lib/CodeGen/RegAllocLocal.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/CodeGen/RegAllocLocal.cpp b/lib/CodeGen/RegAllocLocal.cpp
index 23063461d7..38e0073360 100644
--- a/lib/CodeGen/RegAllocLocal.cpp
+++ b/lib/CodeGen/RegAllocLocal.cpp
@@ -653,7 +653,7 @@ void RA::AllocateBasicBlock(MachineBasicBlock &MBB) {
const TargetInstrInfo &TII = TM->getInstrInfo();
MI = MBB.end();
while (MI != MBB.begin() && TII.isTerminatorInstr((--MI)->getOpcode()));
- ++MI;
+ if (MI != MBB.end()) ++MI;
// Spill all physical registers holding virtual registers now.
for (unsigned i = 0, e = RegInfo->getNumRegs(); i != e; ++i)