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Define CallSDNode, an SDNode subclass for use with ISD::CALL.

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Currently it just holds the calling convention and flags
for isVarArgs and isTailCall.

And it has several utility methods, which eliminate magic
5+2*i and similar index computations in several places.

CallSDNodes are not CSE'd. Teach UpdateNodeOperands to handle
nodes that are not CSE'd gracefully.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@56183 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman
2008-09-13 01:54:27 +00:00
parent e7de7e3574
commit 095cc29f32
18 changed files with 258 additions and 199 deletions
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7
include/llvm/CodeGen/SelectionDAG.h
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@@ -463,6 +463,11 @@ public:
return getNode(ISD::MERGE_VALUES, VTs, Ops, NumOps);
}
/// getCall - Create a CALL node from the given information.
///
SDValue getCall(unsigned CallingConv, bool IsVarArgs, bool IsTailCall,
SDVTList VTs, const SDValue *Operands, unsigned NumOperands);
/// getLoad - Loads are not normal binary operators: their result type is not
/// determined by their operands, and they produce a value AND a token chain.
///
@@ -731,7 +736,7 @@ public:
SDValue getShuffleScalarElt(const SDNode *N, unsigned Idx);
private:
void RemoveNodeFromCSEMaps(SDNode *N);
bool RemoveNodeFromCSEMaps(SDNode *N);
SDNode *AddNonLeafNodeToCSEMaps(SDNode *N);
SDNode *FindModifiedNodeSlot(SDNode *N, SDValue Op, void *&InsertPos);
SDNode *FindModifiedNodeSlot(SDNode *N, SDValue Op1, SDValue Op2,