Minor cleanup, no functionality change for current targets

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25173 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/LiveIntervalAnalysis.cpp b/lib/CodeGen/LiveIntervalAnalysis.cpp
index 593bbdbad7560f5b6e17717d532edcc66825695a..d5160cdb2af5a2ebac5953b50991290ca05d0361 100644 (file)
--- a/lib/CodeGen/LiveIntervalAnalysis.cpp
+++ b/lib/CodeGen/LiveIntervalAnalysis.cpp
@@ -585,7 +585,8 @@ void LiveIntervals::handleRegisterDef(MachineBasicBlock *MBB,
     handleVirtualRegisterDef(MBB, MI, getOrCreateInterval(reg));
   else if (allocatableRegs_[reg]) {
     unsigned SrcReg = 0, DestReg = 0;
-    bool IsMove = tii_->isMoveInstr(*MI, SrcReg, DestReg);
+    if (!tii_->isMoveInstr(*MI, SrcReg, DestReg))
+      SrcReg = DestReg = 0;
 
     handlePhysicalRegisterDef(MBB, MI, getOrCreateInterval(reg),
                               SrcReg, DestReg);