[llvm] r176602 - Switch from std::vector to ArrayRef. Speedup FoldBitCast by 5x.
Nadav Rotem
nrotem at apple.com
Wed Mar 6 17:30:40 PST 2013
Author: nadav
Date: Wed Mar 6 19:30:40 2013
New Revision: 176602
URL: http://llvm.org/viewvc/llvm-project?rev=176602&view=rev
Log:
Switch from std::vector to ArrayRef. Speedup FoldBitCast by 5x.
Modified:
llvm/trunk/lib/IR/Constants.cpp
Modified: llvm/trunk/lib/IR/Constants.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/IR/Constants.cpp?rev=176602&r1=176601&r2=176602&view=diff
==============================================================================
--- llvm/trunk/lib/IR/Constants.cpp (original)
+++ llvm/trunk/lib/IR/Constants.cpp Wed Mar 6 19:30:40 2013
@@ -1416,9 +1416,9 @@ static inline Constant *getFoldedCast(
LLVMContextImpl *pImpl = Ty->getContext().pImpl;
- // Look up the constant in the table first to ensure uniqueness
- std::vector<Constant*> argVec(1, C);
- ExprMapKeyType Key(opc, argVec);
+ // Look up the constant in the table first to ensure uniqueness.
+ ArrayRef<Constant*> Ops(&C, 1);
+ ExprMapKeyType Key(opc, Ops);
return pImpl->ExprConstants.getOrCreate(Ty, Key);
}
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