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Allow PatFrag to be a leaf node.

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llvm-svn: 30498
This commit is contained in:
Evan Cheng 2006-09-19 19:08:04 +00:00
parent f020ff9440
commit c5be7540d2
1 changed files with 17 additions and 9 deletions
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26
utils/TableGen/DAGISelEmitter.cpp
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@ -1158,15 +1158,19 @@ void DAGISelEmitter::ParsePatternFragments(std::ostream &OS) {
// keep track of the fact that this fragment uses it.
std::string Code = Fragments[i]->getValueAsCode("Predicate");
if (!Code.empty()) {
assert(!P->getOnlyTree()->isLeaf() && "Can't be a leaf!");
std::string ClassName =
getSDNodeInfo(P->getOnlyTree()->getOperator()).getSDClassName();
const char *C2 = ClassName == "SDNode" ? "N" : "inN";
if (P->getOnlyTree()->isLeaf())
OS << "inline bool Predicate_" << Fragments[i]->getName()
<< "(SDNode *N) {\n";
else {
std::string ClassName =
getSDNodeInfo(P->getOnlyTree()->getOperator()).getSDClassName();
const char *C2 = ClassName == "SDNode" ? "N" : "inN";
OS << "inline bool Predicate_" << Fragments[i]->getName()
<< "(SDNode *" << C2 << ") {\n";
if (ClassName != "SDNode")
OS << " " << ClassName << " *N = cast<" << ClassName << ">(inN);\n";
OS << "inline bool Predicate_" << Fragments[i]->getName()
<< "(SDNode *" << C2 << ") {\n";
if (ClassName != "SDNode")
OS << " " << ClassName << " *N = cast<" << ClassName << ">(inN);\n";
}
OS << Code << "\n}\n";
P->getOnlyTree()->setPredicateFn("Predicate_"+Fragments[i]->getName());
}
@ -2371,6 +2375,11 @@ public:
#endif
assert(0 && "Unknown leaf type!");
}
// If there is a node predicate for this, emit the call.
if (!Child->getPredicateFn().empty())
emitCheck(Child->getPredicateFn() + "(" + RootName + utostr(OpNo) +
".Val)");
} else if (IntInit *II =
dynamic_cast<IntInit*>(Child->getLeafValue())) {
emitCheck("isa<ConstantSDNode>(" + RootName + utostr(OpNo) + ")");
@ -2827,7 +2836,6 @@ public:
emitCode("SDOperand Tmp" + utostr(ResNo) + " = Transform_" + Op->getName()
+ "(" + Ops.back() + ".Val);");
NodeOps.push_back("Tmp" + utostr(ResNo));
emitCode("AddToISelQueue(Tmp" + utostr(ResNo) + ");");
if (isRoot)
emitCode("return Tmp" + utostr(ResNo) + ".Val;");
return NodeOps;