Eliminate some malloc traffic by allocating vectors on the stack. Change some

method that took std::vector<SDOperand> to take a pointer to a first operand
and #operands.

This speeds up isel on kc++ by about 3%.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@29561 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 4 insertions, 4 deletions

diff --git a/include/llvm/CodeGen/SelectionDAGNodes.h b/include/llvm/CodeGen/SelectionDAGNodes.h
index 855e33824f..fe6975b19f 100644
--- a/include/llvm/CodeGen/SelectionDAGNodes.h
+++ b/include/llvm/CodeGen/SelectionDAGNodes.h
@@ -865,13 +865,13 @@ protected:
     Prev = 0; Next = 0;
     NextInBucket = 0;
   }
-  SDNode(unsigned Opc, const std::vector<SDOperand> &Nodes)
+  SDNode(unsigned Opc, const SDOperand *Ops, unsigned NumOps)
     : NodeType(Opc), NodeId(-1) {
-    NumOperands = Nodes.size();
+    NumOperands = NumOps;
     OperandList = new SDOperand[NumOperands];
     
-    for (unsigned i = 0, e = Nodes.size(); i != e; ++i) {
-      OperandList[i] = Nodes[i];
+    for (unsigned i = 0, e = NumOps; i != e; ++i) {
+      OperandList[i] = Ops[i];
       SDNode *N = OperandList[i].Val;
       N->Uses.push_back(this);
     }