diff --git a/utils/TableGen/DAGISelMatcherEmitter.cpp b/utils/TableGen/DAGISelMatcherEmitter.cpp index ee838d05a44..3d2791d22e5 100644 --- a/utils/TableGen/DAGISelMatcherEmitter.cpp +++ b/utils/TableGen/DAGISelMatcherEmitter.cpp @@ -24,10 +24,6 @@ enum { }; } -static unsigned EmitMatcherAndChildren(const MatcherNode *N, - formatted_raw_ostream &FOS, - unsigned Indent); - /// ClassifyInt - Classify an integer by size, return '1','2','4','8' if this /// fits in 1, 2, 4, or 8 sign extended bytes. static char ClassifyInt(int64_t Val) { @@ -67,10 +63,22 @@ static unsigned EmitInt(int64_t Val, formatted_raw_ostream &OS) { return BytesEmitted; } +namespace { +class MatcherTableEmitter { + formatted_raw_ostream &OS; +public: + MatcherTableEmitter(formatted_raw_ostream &os) : OS(os) {} + + unsigned EmitMatcherAndChildren(const MatcherNode *N, unsigned Indent); +private: + unsigned EmitMatcher(const MatcherNode *N, unsigned Indent); +}; +} // end anonymous namespace. + /// EmitMatcherOpcodes - Emit bytes for the specified matcher and return /// the number of bytes emitted. -static unsigned EmitMatcher(const MatcherNode *N, formatted_raw_ostream &OS, - unsigned Indent) { +unsigned MatcherTableEmitter:: +EmitMatcher(const MatcherNode *N, unsigned Indent) { OS.PadToColumn(Indent*2); switch (N->getKind()) { @@ -163,9 +171,8 @@ static unsigned EmitMatcher(const MatcherNode *N, formatted_raw_ostream &OS, } /// EmitMatcherAndChildren - Emit the bytes for the specified matcher subtree. -static unsigned EmitMatcherAndChildren(const MatcherNode *N, - formatted_raw_ostream &OS, - unsigned Indent) { +unsigned MatcherTableEmitter:: +EmitMatcherAndChildren(const MatcherNode *N, unsigned Indent) { unsigned Size = 0; while (1) { // Push is a special case since it is binary. @@ -179,8 +186,7 @@ static unsigned EmitMatcherAndChildren(const MatcherNode *N, raw_svector_ostream OS(TmpBuf); formatted_raw_ostream FOS(OS); ChildSize = - EmitMatcherAndChildren(cast(N)->getChild(), FOS, - Indent+1); + EmitMatcherAndChildren(cast(N)->getChild(),Indent+1); } if (ChildSize > 255) { @@ -199,7 +205,7 @@ static unsigned EmitMatcherAndChildren(const MatcherNode *N, continue; } - Size += EmitMatcher(N, OS, Indent); + Size += EmitMatcher(N, Indent); // If there are children of this node, iterate to them, otherwise we're // done. @@ -216,8 +222,10 @@ void llvm::EmitMatcherTable(const MatcherNode *Matcher, raw_ostream &O) { OS << "// The main instruction selector code.\n"; OS << "SDNode *SelectCode2(SDNode *N) {\n"; + MatcherTableEmitter MatcherEmitter(OS); + OS << " static const unsigned char MatcherTable[] = {\n"; - unsigned TotalSize = EmitMatcherAndChildren(Matcher, OS, 2); + unsigned TotalSize = MatcherEmitter.EmitMatcherAndChildren(Matcher, 2); OS << " 0\n }; // Total Array size is " << (TotalSize+1) << " bytes\n\n"; - OS << " return SelectCodeCommon(N, MatcherTable, sizeof(MatcherTable));\n}\n"; + OS << " return SelectCodeCommon(N, MatcherTable,sizeof(MatcherTable));\n}\n"; }