Author: lattner
Date: Sat Dec 8 16:40:18 2007
New Revision: 44723
URL: http://llvm.org/viewvc/llvm-project?rev=44723&view=rev
Log:
implement some methods.
Modified:
llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeTypes.cpp
llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeTypes.h
Modified: llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeTypes.cpp
URL:
http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeTypes.cpp?rev=44723&r1=44722&r2=44723&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeTypes.cpp (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeTypes.cpp Sat Dec 8 16:40:18
2007
@@ -320,8 +320,7 @@
Hi = Entry.second;
}
-void DAGTypeLegalizer::SetExpandedOp(SDOperand Op, SDOperand Lo,
- SDOperand Hi) {
+void DAGTypeLegalizer::SetExpandedOp(SDOperand Op, SDOperand Lo, SDOperand Hi)
{
// Remember that this is the result of the node.
std::pair<SDOperand, SDOperand> &Entry = ExpandedNodes[Op];
assert(Entry.first.Val == 0 && "Node already expanded");
@@ -335,6 +334,30 @@
MarkNewNodes(Hi.Val);
}
+void DAGTypeLegalizer::GetSplitOp(SDOperand Op, SDOperand &Lo, SDOperand &Hi) {
+ std::pair<SDOperand, SDOperand> &Entry = SplitNodes[Op];
+ RemapNode(Entry.first);
+ RemapNode(Entry.second);
+ assert(Entry.first.Val && "Operand isn't split");
+ Lo = Entry.first;
+ Hi = Entry.second;
+}
+
+void DAGTypeLegalizer::SetSplitOp(SDOperand Op, SDOperand Lo, SDOperand Hi) {
+ // Remember that this is the result of the node.
+ std::pair<SDOperand, SDOperand> &Entry = SplitNodes[Op];
+ assert(Entry.first.Val == 0 && "Node already split");
+ Entry.first = Lo;
+ Entry.second = Hi;
+
+ // Lo/Hi may have been newly allocated, if so, add nodeid's as relevant.
+ if (Lo.Val->getNodeId() == NewNode)
+ MarkNewNodes(Lo.Val);
+ if (Hi.Val->getNodeId() == NewNode)
+ MarkNewNodes(Hi.Val);
+}
+
+
SDOperand DAGTypeLegalizer::CreateStackStoreLoad(SDOperand Op,
MVT::ValueType DestVT) {
// Create the stack frame object.
Modified: llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeTypes.h
URL:
http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeTypes.h?rev=44723&r1=44722&r2=44723&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeTypes.h (original)
+++ llvm/trunk/lib/CodeGen/SelectionDAG/LegalizeTypes.h Sat Dec 8 16:40:18 2007
@@ -97,6 +97,10 @@
/// ScalarizedNodes - For nodes that are <1 x ty>, this map indicates the
/// scalar value of type 'ty' to use.
DenseMap<SDOperand, SDOperand> ScalarizedNodes;
+
+ /// SplitNodes - For nodes that need to be split this map indicates
+ /// which operands are the expanded version of the input.
+ DenseMap<SDOperand, std::pair<SDOperand, SDOperand> > SplitNodes;
/// ReplacedNodes - For nodes that have been replaced with another,
/// indicates the replacement node to use.
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