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improve comments in generated matcher a bit. 

llvm-svn: 96422
This commit is contained in:
Chris Lattner 2010-02-17 00:39:26 +00:00
parent 12995ba3c0
commit e01545280b
1 changed files with 12 additions and 12 deletions
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24
llvm/utils/TableGen/DAGISelMatcherEmitter.cpp
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@ -21,7 +21,7 @@ using namespace llvm;
namespace {
enum {
CommentIndent = 25
CommentIndent = 30
};
}
@ -119,11 +119,11 @@ EmitMatcher(const MatcherNode *N, unsigned Indent) {
switch (N->getKind()) {
case MatcherNode::Push: assert(0 && "Should be handled by caller");
case MatcherNode::EmitNode:
OS << "OPC_Emit, /*XXX*/";
OS.PadToColumn(CommentIndent) << "// Src: "
<< *cast<EmitNodeMatcherNode>(N)->getPattern().getSrcPattern() << '\n';
OS.PadToColumn(CommentIndent) << "// Dst: "
<< *cast<EmitNodeMatcherNode>(N)->getPattern().getDstPattern() << '\n';
OS << "// Src: "
<< *cast<EmitNodeMatcherNode>(N)->getPattern().getSrcPattern() << '\n';
OS.PadToColumn(Indent*2) << "// Dst: "
<< *cast<EmitNodeMatcherNode>(N)->getPattern().getDstPattern() << "\n";
OS.PadToColumn(Indent*2) << "OPC_Emit, /*XXX*/\n\n";
return 1;
case MatcherNode::Record:
OS << "OPC_Record,\n";
@ -180,11 +180,13 @@ EmitMatcher(const MatcherNode *N, unsigned Indent) {
<< cast<CheckValueTypeMatcherNode>(N)->getTypeName() << ",\n";
return 2;
case MatcherNode::CheckComplexPat:
OS << "OPC_CheckComplexPat, "
<< getComplexPat(cast<CheckComplexPatMatcherNode>(N)->getPattern())
<< ",\n";
case MatcherNode::CheckComplexPat: {
const ComplexPattern &Pattern =
cast<CheckComplexPatMatcherNode>(N)->getPattern();
OS << "OPC_CheckComplexPat, " << getComplexPat(Pattern) << ',';
OS.PadToColumn(CommentIndent) << "// " << Pattern.getSelectFunc() << '\n';
return 2;
}
case MatcherNode::CheckAndImm: {
int64_t Val = cast<CheckAndImmMatcherNode>(N)->getValue();
@ -271,7 +273,6 @@ void MatcherTableEmitter::EmitPredicateFunctions() {
OS << "}\n\n";
// Emit CompletePattern matchers.
OS << "bool CheckComplexPattern(SDNode *Root, SDValue N,\n";
OS << " unsigned PatternNo, SmallVectorImpl<SDValue> &Result) {\n";
OS << " switch (PatternNo) {\n";
@ -290,7 +291,6 @@ void MatcherTableEmitter::EmitPredicateFunctions() {
}
OS << " }\n";
OS << "}\n\n";
}