[llvm] r216426 - CodeGen/LiveVariables: use vector::assign()

[Dylan Noblesmith]

Author: nobled
Date: Mon Aug 25 21:03:25 2014
New Revision: 216426

URL: http://llvm.org/viewvc/llvm-project?rev=216426&view=rev
Log:
CodeGen/LiveVariables: use vector::assign()

Address review comments.

Modified:
    llvm/trunk/lib/CodeGen/LiveVariables.cpp

Modified: llvm/trunk/lib/CodeGen/LiveVariables.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/LiveVariables.cpp?rev=216426&r1=216425&r2=216426&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/LiveVariables.cpp (original)
+++ llvm/trunk/lib/CodeGen/LiveVariables.cpp Mon Aug 25 21:03:25 2014
@@ -623,10 +623,8 @@ bool LiveVariables::runOnMachineFunction
   TRI = MF->getSubtarget().getRegisterInfo();
 
   const unsigned NumRegs = TRI->getNumRegs();
-  PhysRegDef.clear();
-  PhysRegUse.clear();
-  PhysRegDef.resize(NumRegs, nullptr);
-  PhysRegUse.resize(NumRegs, nullptr);
+  PhysRegDef.assign(NumRegs, nullptr);
+  PhysRegUse.assign(NumRegs, nullptr);
   PHIVarInfo.resize(MF->getNumBlockIDs());
   PHIJoins.clear();
 
@@ -648,10 +646,8 @@ bool LiveVariables::runOnMachineFunction
   for (MachineBasicBlock *MBB : depth_first_ext(Entry, Visited)) {
     runOnBlock(MBB, NumRegs);
 
-    PhysRegDef.clear();
-    PhysRegUse.clear();
-    PhysRegDef.resize(NumRegs, nullptr);
-    PhysRegUse.resize(NumRegs, nullptr);
+    PhysRegDef.assign(NumRegs, nullptr);
+    PhysRegUse.assign(NumRegs, nullptr);
   }
 
   // Convert and transfer the dead / killed information we have gathered into