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rename the child field to 'next'. This is not a parent/child

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relationship, this is a linear list relationship.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96561 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2010-02-18 02:53:41 +00:00
parent 8ef9c7958a
commit bd8227f529
4 changed files with 46 additions and 44 deletions
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24
utils/TableGen/DAGISelMatcherEmitter.cpp
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@@ -76,7 +76,7 @@ class MatcherTableEmitter {
public:
MatcherTableEmitter(formatted_raw_ostream &os) : OS(os) {}
unsigned EmitMatcherAndChildren(const MatcherNode *N, unsigned Indent);
unsigned EmitMatcherList(const MatcherNode *N, unsigned Indent);
void EmitPredicateFunctions();
private:
@@ -217,9 +217,9 @@ EmitMatcher(const MatcherNode *N, unsigned Indent) {
return 0;
}
/// EmitMatcherAndChildren - Emit the bytes for the specified matcher subtree.
/// EmitMatcherList - Emit the bytes for the specified matcher subtree.
unsigned MatcherTableEmitter::
EmitMatcherAndChildren(const MatcherNode *N, unsigned Indent) {
EmitMatcherList(const MatcherNode *N, unsigned Indent) {
unsigned Size = 0;
while (N) {
// Push is a special case since it is binary.
@@ -228,25 +228,25 @@ EmitMatcherAndChildren(const MatcherNode *N, unsigned Indent) {
// emitting either of them. Handle this by buffering the output into a
// string while we get the size.
SmallString<128> TmpBuf;
unsigned ChildSize;
unsigned NextSize;
{
raw_svector_ostream OS(TmpBuf);
formatted_raw_ostream FOS(OS);
ChildSize =
EmitMatcherAndChildren(cast<PushMatcherNode>(N)->getChild(),Indent+1);
NextSize = EmitMatcherList(cast<PushMatcherNode>(N)->getNext(),
Indent+1);
}
if (ChildSize > 255) {
if (NextSize > 255) {
errs() <<
"Tblgen internal error: can't handle predicate this complex yet\n";
exit(1);
}
OS.PadToColumn(Indent*2);
OS << "OPC_Push, " << ChildSize << ",\n";
OS << "OPC_Push, " << NextSize << ",\n";
OS << TmpBuf.str();
Size += 2 + ChildSize;
Size += 2 + NextSize;
N = PMN->getFailure();
continue;
@@ -254,9 +254,9 @@ EmitMatcherAndChildren(const MatcherNode *N, unsigned Indent) {
Size += EmitMatcher(N, Indent);
// If there are children of this node, iterate to them, otherwise we're
// If there are other nodes in this list, iterate to them, otherwise we're
// done.
N = N->getChild();
N = N->getNext();
}
return Size;
}
@@ -311,7 +311,7 @@ void llvm::EmitMatcherTable(const MatcherNode *Matcher, raw_ostream &O) {
MatcherTableEmitter MatcherEmitter(OS);
OS << " static const unsigned char MatcherTable[] = {\n";
unsigned TotalSize = MatcherEmitter.EmitMatcherAndChildren(Matcher, 2);
unsigned TotalSize = MatcherEmitter.EmitMatcherList(Matcher, 2);
OS << " 0\n }; // Total Array size is " << (TotalSize+1) << " bytes\n\n";
OS << " return SelectCodeCommon(N, MatcherTable,sizeof(MatcherTable));\n}\n";
OS << "\n";