[llvm] r282130 - [RegisterBankInfo] Take advantage of the extra argument of SmallVector::resize.

[Quentin Colombet via llvm-commits]

Author: qcolombet
Date: Wed Sep 21 21:10:32 2016
New Revision: 282130

URL: http://llvm.org/viewvc/llvm-project?rev=282130&view=rev
Log:
[RegisterBankInfo] Take advantage of the extra argument of SmallVector::resize.

When initializing an instance of OperandsMapper, instead of using
SmallVector::resize followed by std::fill, use the function that
directly does that in SmallVector.

Modified:
    llvm/trunk/lib/CodeGen/GlobalISel/RegisterBankInfo.cpp

Modified: llvm/trunk/lib/CodeGen/GlobalISel/RegisterBankInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/GlobalISel/RegisterBankInfo.cpp?rev=282130&r1=282129&r2=282130&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/GlobalISel/RegisterBankInfo.cpp (original)
+++ llvm/trunk/lib/CodeGen/GlobalISel/RegisterBankInfo.cpp Wed Sep 21 21:10:32 2016
@@ -513,9 +513,7 @@ RegisterBankInfo::OperandsMapper::Operan
     MachineRegisterInfo &MRI)
     : MRI(MRI), MI(MI), InstrMapping(InstrMapping) {
   unsigned NumOpds = MI.getNumOperands();
-  OpToNewVRegIdx.resize(NumOpds);
-  std::fill(OpToNewVRegIdx.begin(), OpToNewVRegIdx.end(),
-            OperandsMapper::DontKnowIdx);
+  OpToNewVRegIdx.resize(NumOpds, OperandsMapper::DontKnowIdx);
   assert(InstrMapping.verify(MI) && "Invalid mapping for MI");
 }