commit 17f05a3fc6c515a636b30776780ce03410495e06
author Dylan Noblesmith <nobled@dreamwidth.org> Tue Aug 26 02:03:25 2014 +0000
committer Dylan Noblesmith <nobled@dreamwidth.org> Tue Aug 26 02:03:25 2014 +0000
tree 9e2dd58b57b8624710a0a12ab290c62c16815469
parent 3715461b48ae720559901162687edb46cc6e65d8

CodeGen/LiveVariables: use vector::assign()

Address review comments.

llvm-svn: 216426

llvm/lib/CodeGen/LiveVariables.cpp

diff --git a/llvm/lib/CodeGen/LiveVariables.cpp b/llvm/lib/CodeGen/LiveVariables.cpp
index d91c930..f9040fd 100644
--- a/llvm/lib/CodeGen/LiveVariables.cpp
+++ b/llvm/lib/CodeGen/LiveVariables.cpp
@@ -623,10 +623,8 @@
   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 @@
   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