From: Chris Lattner Date: Wed, 17 Feb 2010 00:39:26 +0000 (+0000) Subject: improve comments in generated matcher a bit. X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=5be6e5990b1da82e31f4236d1b392e52637cbe2e;p=oota-llvm.git improve comments in generated matcher a bit. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@96422 91177308-0d34-0410-b5e6-96231b3b80d8 --- diff --git a/utils/TableGen/DAGISelMatcherEmitter.cpp b/utils/TableGen/DAGISelMatcherEmitter.cpp index 8e004f33558..af75d7d71ec 100644 --- a/utils/TableGen/DAGISelMatcherEmitter.cpp +++ b/utils/TableGen/DAGISelMatcherEmitter.cpp @@ -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(N)->getPattern().getSrcPattern() << '\n'; - OS.PadToColumn(CommentIndent) << "// Dst: " - << *cast(N)->getPattern().getDstPattern() << '\n'; + OS << "// Src: " + << *cast(N)->getPattern().getSrcPattern() << '\n'; + OS.PadToColumn(Indent*2) << "// Dst: " + << *cast(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(N)->getTypeName() << ",\n"; return 2; - case MatcherNode::CheckComplexPat: - OS << "OPC_CheckComplexPat, " - << getComplexPat(cast(N)->getPattern()) - << ",\n"; + case MatcherNode::CheckComplexPat: { + const ComplexPattern &Pattern = + cast(N)->getPattern(); + OS << "OPC_CheckComplexPat, " << getComplexPat(Pattern) << ','; + OS.PadToColumn(CommentIndent) << "// " << Pattern.getSelectFunc() << '\n'; return 2; + } case MatcherNode::CheckAndImm: { int64_t Val = cast(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 &Result) {\n"; OS << " switch (PatternNo) {\n"; @@ -290,7 +291,6 @@ void MatcherTableEmitter::EmitPredicateFunctions() { } OS << " }\n"; OS << "}\n\n"; - }