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use new accessors to simplify code. Add checking to make sure top-level instr 

definitions are void

llvm-svn: 23288
This commit is contained in:
Chris Lattner 2005-09-09 01:11:44 +00:00
parent 91d8672be1
commit 7a82c06f34
1 changed files with 12 additions and 4 deletions
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16
llvm/utils/TableGen/DAGISelEmitter.cpp
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@ -277,7 +277,7 @@ TreePatternNode *TreePatternNode::InlinePatternFragments(TreePattern &TP) {
TP.error("'" + Op->getName() + "' fragment requires " +
utostr(Frag->getNumArgs()) + " operands!");
TreePatternNode *FragTree = Frag->getTrees()[0]->clone();
TreePatternNode *FragTree = Frag->getTree(0)->clone();
// Resolve formal arguments to their actual value.
if (Frag->getNumArgs()) {
@ -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->getTrees()[0]->isLeaf() && "Can't be a leaf!");
assert(!P->getTree(0)->isLeaf() && "Can't be a leaf!");
std::string ClassName =
getSDNodeInfo(P->getTrees()[0]->getOperator()).getSDClassName();
getSDNodeInfo(P->getTree(0)->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->getTrees()[0]->setPredicateFn("Predicate_"+Fragments[i]->getName());
P->getTree(0)->setPredicateFn("Predicate_"+Fragments[i]->getName());
}
}
@ -642,6 +642,14 @@ void DAGISelEmitter::ParseAndResolveInstructions() {
I->dump();
I->error("Could not infer all types in pattern!");
}
// Verify that the top-level forms in the instruction are of void type.
for (unsigned j = 0, e = I->getNumTrees(); j != e; ++j)
if (I->getTree(j)->getType() != MVT::isVoid) {
I->dump();
I->error("Top-level forms in instruction pattern should have"
" void types");
}
DEBUG(I->dump());
Instructions.push_back(I);