Pass N by reference to select functions to prevent gcc from allocating more stack.
llvm-svn: 29423
diff --git a/llvm/utils/TableGen/DAGISelEmitter.cpp b/llvm/utils/TableGen/DAGISelEmitter.cpp
index a15a6ba..e0bc583 100644
--- a/llvm/utils/TableGen/DAGISelEmitter.cpp
+++ b/llvm/utils/TableGen/DAGISelEmitter.cpp
@@ -1829,7 +1829,7 @@
// If this node is commutative, consider the commuted order.
if (NodeInfo.hasProperty(SDNodeInfo::SDNPCommutative)) {
assert(N->getNumChildren()==2 &&"Commutative but doesn't have 2 children!");
- // Don't count childrean which are actually
+ // Don't count children which are actually register references.
unsigned NC = 0;
for (unsigned i = 0, e = N->getNumChildren(); i != e; ++i) {
TreePatternNode *Child = N->getChild(i);
@@ -3321,7 +3321,7 @@
}
std::string CalleeDecls;
- std::string CalleeCode = "(SDOperand &Result, SDOperand &N";
+ std::string CalleeCode = "(SDOperand &Result, const SDOperand &N";
std::string CallerCode = "(Result, N";
for (unsigned j = 0, e = TargetOpcodes.size(); j != e; ++j) {
CalleeCode += ", unsigned Opc" + utostr(j);
@@ -3399,7 +3399,7 @@
OpVTI->second.push_back(OpVTStr);
OS << "void Select_" << OpName << (OpVTStr != "" ? "_" : "")
- << OpVTStr << "(SDOperand &Result, SDOperand N) {\n";
+ << OpVTStr << "(SDOperand &Result, const SDOperand &N) {\n";
if (OptSlctOrder) {
OS << " if (N.ResNo == " << OpcodeInfo.getNumResults()
<< " && N.getValue(0).hasOneUse()) {\n"