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set the 'isstore' flag for instructions whose pattern is an

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intrinsic that writes to memory.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45650 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2008-01-06 05:36:50 +00:00
parent e81cd881b1
commit e67bde5bb1
3 changed files with 35 additions and 14 deletions
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33
utils/TableGen/CodeGenDAGPatterns.cpp
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@@ -633,6 +633,22 @@ static std::vector<unsigned char> getImplicitType(Record *R, bool NotRegisters,
return Other;
}
/// getIntrinsicInfo - If this node corresponds to an intrinsic, return the
/// CodeGenIntrinsic information for it, otherwise return a null pointer.
const CodeGenIntrinsic *TreePatternNode::
getIntrinsicInfo(const CodeGenDAGPatterns &CDP) const {
if (getOperator() != CDP.get_intrinsic_void_sdnode() &&
getOperator() != CDP.get_intrinsic_w_chain_sdnode() &&
getOperator() != CDP.get_intrinsic_wo_chain_sdnode())
return 0;
unsigned IID =
dynamic_cast<IntInit*>(getChild(0)->getLeafValue())->getValue();
return &CDP.getIntrinsicInfo(IID);
}
/// ApplyTypeConstraints - Apply all of the type constraints relevent to
/// this node and its children in the tree. This returns true if it makes a
/// change, false otherwise. If a type contradiction is found, throw an
@@ -699,27 +715,22 @@ bool TreePatternNode::ApplyTypeConstraints(TreePattern &TP, bool NotRegisters) {
MadeChange = getChild(i)->ApplyTypeConstraints(TP, NotRegisters);
MadeChange |= UpdateNodeType(MVT::isVoid, TP);
return MadeChange;
} else if (getOperator() == CDP.get_intrinsic_void_sdnode() ||
getOperator() == CDP.get_intrinsic_w_chain_sdnode() ||
getOperator() == CDP.get_intrinsic_wo_chain_sdnode()) {
unsigned IID =
dynamic_cast<IntInit*>(getChild(0)->getLeafValue())->getValue();
const CodeGenIntrinsic &Int = CDP.getIntrinsicInfo(IID);
} else if (const CodeGenIntrinsic *Int = getIntrinsicInfo(CDP)) {
bool MadeChange = false;
// Apply the result type to the node.
MadeChange = UpdateNodeType(Int.ArgVTs[0], TP);
MadeChange = UpdateNodeType(Int->ArgVTs[0], TP);
if (getNumChildren() != Int.ArgVTs.size())
TP.error("Intrinsic '" + Int.Name + "' expects " +
utostr(Int.ArgVTs.size()-1) + " operands, not " +
if (getNumChildren() != Int->ArgVTs.size())
TP.error("Intrinsic '" + Int->Name + "' expects " +
utostr(Int->ArgVTs.size()-1) + " operands, not " +
utostr(getNumChildren()-1) + " operands!");
// Apply type info to the intrinsic ID.
MadeChange |= getChild(0)->UpdateNodeType(MVT::iPTR, TP);
for (unsigned i = 1, e = getNumChildren(); i != e; ++i) {
MVT::ValueType OpVT = Int.ArgVTs[i];
MVT::ValueType OpVT = Int->ArgVTs[i];
MadeChange |= getChild(i)->UpdateNodeType(OpVT, TP);
MadeChange |= getChild(i)->ApplyTypeConstraints(TP, NotRegisters);
}