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Prefer SmallVector::append/insert over push_back loops.

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Same functionality, but hoists the vector growth out of the loop.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@229500 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Benjamin Kramer
2015-02-17 15:29:18 +00:00
parent 93e8e46202
commit 1a50a12b43
27 changed files with 72 additions and 159 deletions
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7
lib/Target/X86/X86ISelDAGToDAG.cpp
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@@ -393,17 +393,14 @@ static void MoveBelowOrigChain(SelectionDAG *CurDAG, SDValue Load,
Ops.clear();
Ops.push_back(NewChain);
}
for (unsigned i = 1, e = OrigChain.getNumOperands(); i != e; ++i)
Ops.push_back(OrigChain.getOperand(i));
Ops.append(OrigChain->op_begin() + 1, OrigChain->op_end());
CurDAG->UpdateNodeOperands(OrigChain.getNode(), Ops);
CurDAG->UpdateNodeOperands(Load.getNode(), Call.getOperand(0),
Load.getOperand(1), Load.getOperand(2));
unsigned NumOps = Call.getNode()->getNumOperands();
Ops.clear();
Ops.push_back(SDValue(Load.getNode(), 1));
for (unsigned i = 1, e = NumOps; i != e; ++i)
Ops.push_back(Call.getOperand(i));
Ops.append(Call->op_begin() + 1, Call->op_end());
CurDAG->UpdateNodeOperands(Call.getNode(), Ops);
}