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use smallvector instead of vector to make constant folding a bit more efficient

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33672 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2007-01-30 23:15:19 +00:00
parent 6c1f56574c
commit cd2492e6ff
1 changed files with 3 additions and 2 deletions
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5
lib/Transforms/Scalar/SCCP.cpp
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@ -33,6 +33,7 @@
#include "llvm/Support/CallSite.h"
#include "llvm/Support/Debug.h"
#include "llvm/ADT/hash_map"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/ADT/STLExtras.h"
#include <algorithm>
@ -1093,7 +1094,7 @@ void SCCPSolver::visitCallSite(CallSite CS) {
return;
}
std::vector<Constant*> Operands;
SmallVector<Constant*, 8> Operands;
Operands.reserve(I->getNumOperands()-1);
for (CallSite::arg_iterator AI = CS.arg_begin(), E = CS.arg_end();
@ -1109,7 +1110,7 @@ void SCCPSolver::visitCallSite(CallSite CS) {
Operands.push_back(State.getConstant());
}
if (Constant *C = ConstantFoldCall(F, Operands))
if (Constant *C = ConstantFoldCall(F, &Operands[0], Operands.size()))
markConstant(IV, I, C);
else
markOverdefined(IV, I);