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add an accessor to provide more checking

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23289 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2005-09-09 01:15:01 +00:00
parent f2a17a70f4
commit 3793709e89
2 changed files with 9 additions and 5 deletions
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10
utils/TableGen/DAGISelEmitter.cpp
View File

@ -277,7 +277,7 @@ TreePatternNode *TreePatternNode::InlinePatternFragments(TreePattern &TP) {
TP.error("'" + Op->getName() + "' fragment requires " +
utostr(Frag->getNumArgs()) + " operands!");
TreePatternNode *FragTree = Frag->getTree(0)->clone();
TreePatternNode *FragTree = Frag->getOnlyTree()->clone();
// Resolve formal arguments to their actual value.
if (Frag->getNumArgs()) {
@ -400,7 +400,7 @@ MVT::ValueType TreePattern::getIntrinsicType(Record *R) const {
if (R->isSubClassOf("RegisterClass"))
return getValueType(R->getValueAsDef("RegType"));
else if (R->isSubClassOf("PatFrag")) {
//return ISE.ReadNonterminal(R)->getTree()->getType();
// Pattern fragment types will be resolved when they are inlined.
return MVT::LAST_VALUETYPE;
} else if (R->isSubClassOf("Register")) {
assert(0 && "Explicit registers not handled here yet!\n");
@ -574,9 +574,9 @@ void DAGISelEmitter::ParseAndResolvePatternFragments(std::ostream &OS) {
CodeInit *CI =
dynamic_cast<CodeInit*>(Fragments[i]->getValueInit("Predicate"));
if (!CI->getValue().empty()) {
assert(!P->getTree(0)->isLeaf() && "Can't be a leaf!");
assert(!P->getOnlyTree()->isLeaf() && "Can't be a leaf!");
std::string ClassName =
getSDNodeInfo(P->getTree(0)->getOperator()).getSDClassName();
getSDNodeInfo(P->getOnlyTree()->getOperator()).getSDClassName();
const char *C2 = ClassName == "SDNode" ? "N" : "inN";
OS << "static inline bool Predicate_" << Fragments[i]->getName()
@ -584,7 +584,7 @@ void DAGISelEmitter::ParseAndResolvePatternFragments(std::ostream &OS) {
if (ClassName != "SDNode")
OS << " " << ClassName << " *N = cast<" << ClassName << ">(inN);\n";
OS << CI->getValue() << "\n}\n";
P->getTree(0)->setPredicateFn("Predicate_"+Fragments[i]->getName());
P->getOnlyTree()->setPredicateFn("Predicate_"+Fragments[i]->getName());
}
}

4
utils/TableGen/DAGISelEmitter.h
View File

@ -235,6 +235,10 @@ namespace llvm {
const std::vector<TreePatternNode*> &getTrees() const { return Trees; }
unsigned getNumTrees() const { return Trees.size(); }
TreePatternNode *getTree(unsigned i) const { return Trees[i]; }
TreePatternNode *getOnlyTree() const {
assert(Trees.size() == 1 && "Doesn't have exactly one pattern!");
return Trees[0];
}
/// getRecord - Return the actual TableGen record corresponding to this
/// pattern.