DAGISelMatcherEmitter.cpp revision 984e18823e863f2232ccf63f7e84b878dbd55b6f
1da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner//===- DAGISelMatcherEmitter.cpp - Matcher Emitter ------------------------===// 2da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner// 3da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner// The LLVM Compiler Infrastructure 4da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner// 5da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner// This file is distributed under the University of Illinois Open Source 6da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner// License. See LICENSE.TXT for details. 7da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner// 8da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner//===----------------------------------------------------------------------===// 9da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner// 10da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner// This file contains code to generate C++ code a matcher. 11da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner// 12da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner//===----------------------------------------------------------------------===// 13da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner 14da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner#include "DAGISelMatcher.h" 15da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner#include "CodeGenDAGPatterns.h" 168e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner#include "Record.h" 17e609a513f3c072bba28412c681465332a2822d9aChris Lattner#include "llvm/ADT/DenseMap.h" 18da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner#include "llvm/ADT/SmallString.h" 19050a03d0f31ee7033d0459dae3c95b8bf12bff89Chris Lattner#include "llvm/ADT/StringMap.h" 20da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner#include "llvm/Support/FormattedStream.h" 21da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattnerusing namespace llvm; 22da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner 23da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattnernamespace { 24da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattnerenum { 255be6e5990b1da82e31f4236d1b392e52637cbe2eChris Lattner CommentIndent = 30 26da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner}; 27da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner} 28da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner 29da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner/// ClassifyInt - Classify an integer by size, return '1','2','4','8' if this 30da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner/// fits in 1, 2, 4, or 8 sign extended bytes. 31da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattnerstatic char ClassifyInt(int64_t Val) { 32da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner if (Val == int8_t(Val)) return '1'; 33da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner if (Val == int16_t(Val)) return '2'; 34da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner if (Val == int32_t(Val)) return '4'; 35da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner return '8'; 36da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner} 37da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner 38da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner/// EmitInt - Emit the specified integer, returning the number of bytes emitted. 39da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattnerstatic unsigned EmitInt(int64_t Val, formatted_raw_ostream &OS) { 40da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner unsigned BytesEmitted = 1; 41da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner OS << (int)(unsigned char)Val << ", "; 42da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner if (Val == int8_t(Val)) { 438e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner OS << '\n'; 44da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner return BytesEmitted; 45da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner } 46da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner 47da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner OS << (int)(unsigned char)(Val >> 8) << ", "; 48da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner ++BytesEmitted; 49da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner 50da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner if (Val != int16_t(Val)) { 518e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner OS << (int)(unsigned char)(Val >> 16) << ", " 528e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner << (int)(unsigned char)(Val >> 24) << ", "; 53da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner BytesEmitted += 2; 54da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner 55da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner if (Val != int32_t(Val)) { 568e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner OS << (int)(unsigned char)(Val >> 32) << ", " 578e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner << (int)(unsigned char)(Val >> 40) << ", " 588e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner << (int)(unsigned char)(Val >> 48) << ", " 598e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner << (int)(unsigned char)(Val >> 56) << ", "; 60da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner BytesEmitted += 4; 61da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner } 62da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner } 63da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner 648e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner OS.PadToColumn(CommentIndent) << "// " << Val << " aka 0x"; 658e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner OS.write_hex(Val) << '\n'; 66da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner return BytesEmitted; 67da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner} 68da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner 69e02ea54cfd71dee378ca6b11243710d1760ea7c1Chris Lattnernamespace { 70e02ea54cfd71dee378ca6b11243710d1760ea7c1Chris Lattnerclass MatcherTableEmitter { 71050a03d0f31ee7033d0459dae3c95b8bf12bff89Chris Lattner StringMap<unsigned> NodePredicateMap, PatternPredicateMap; 72050a03d0f31ee7033d0459dae3c95b8bf12bff89Chris Lattner std::vector<std::string> NodePredicates, PatternPredicates; 73e609a513f3c072bba28412c681465332a2822d9aChris Lattner 74e609a513f3c072bba28412c681465332a2822d9aChris Lattner DenseMap<const ComplexPattern*, unsigned> ComplexPatternMap; 75e609a513f3c072bba28412c681465332a2822d9aChris Lattner std::vector<const ComplexPattern*> ComplexPatterns; 768e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner 778e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner 788e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner DenseMap<Record*, unsigned> NodeXFormMap; 798e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner std::vector<const Record*> NodeXForms; 808e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner 81e02ea54cfd71dee378ca6b11243710d1760ea7c1Chris Lattnerpublic: 82984e18823e863f2232ccf63f7e84b878dbd55b6fChris Lattner MatcherTableEmitter() {} 83e02ea54cfd71dee378ca6b11243710d1760ea7c1Chris Lattner 84984e18823e863f2232ccf63f7e84b878dbd55b6fChris Lattner unsigned EmitMatcherList(const MatcherNode *N, unsigned Indent, 85984e18823e863f2232ccf63f7e84b878dbd55b6fChris Lattner formatted_raw_ostream &OS); 86050a03d0f31ee7033d0459dae3c95b8bf12bff89Chris Lattner 87984e18823e863f2232ccf63f7e84b878dbd55b6fChris Lattner void EmitPredicateFunctions(formatted_raw_ostream &OS); 88e02ea54cfd71dee378ca6b11243710d1760ea7c1Chris Lattnerprivate: 89984e18823e863f2232ccf63f7e84b878dbd55b6fChris Lattner unsigned EmitMatcher(const MatcherNode *N, unsigned Indent, 90984e18823e863f2232ccf63f7e84b878dbd55b6fChris Lattner formatted_raw_ostream &OS); 91050a03d0f31ee7033d0459dae3c95b8bf12bff89Chris Lattner 92050a03d0f31ee7033d0459dae3c95b8bf12bff89Chris Lattner unsigned getNodePredicate(StringRef PredName) { 93050a03d0f31ee7033d0459dae3c95b8bf12bff89Chris Lattner unsigned &Entry = NodePredicateMap[PredName]; 94050a03d0f31ee7033d0459dae3c95b8bf12bff89Chris Lattner if (Entry == 0) { 95050a03d0f31ee7033d0459dae3c95b8bf12bff89Chris Lattner NodePredicates.push_back(PredName.str()); 96050a03d0f31ee7033d0459dae3c95b8bf12bff89Chris Lattner Entry = NodePredicates.size(); 97050a03d0f31ee7033d0459dae3c95b8bf12bff89Chris Lattner } 98050a03d0f31ee7033d0459dae3c95b8bf12bff89Chris Lattner return Entry-1; 99050a03d0f31ee7033d0459dae3c95b8bf12bff89Chris Lattner } 100050a03d0f31ee7033d0459dae3c95b8bf12bff89Chris Lattner unsigned getPatternPredicate(StringRef PredName) { 101050a03d0f31ee7033d0459dae3c95b8bf12bff89Chris Lattner unsigned &Entry = PatternPredicateMap[PredName]; 102050a03d0f31ee7033d0459dae3c95b8bf12bff89Chris Lattner if (Entry == 0) { 103050a03d0f31ee7033d0459dae3c95b8bf12bff89Chris Lattner PatternPredicates.push_back(PredName.str()); 104050a03d0f31ee7033d0459dae3c95b8bf12bff89Chris Lattner Entry = PatternPredicates.size(); 105050a03d0f31ee7033d0459dae3c95b8bf12bff89Chris Lattner } 106050a03d0f31ee7033d0459dae3c95b8bf12bff89Chris Lattner return Entry-1; 107050a03d0f31ee7033d0459dae3c95b8bf12bff89Chris Lattner } 108e609a513f3c072bba28412c681465332a2822d9aChris Lattner 109e609a513f3c072bba28412c681465332a2822d9aChris Lattner unsigned getComplexPat(const ComplexPattern &P) { 110e609a513f3c072bba28412c681465332a2822d9aChris Lattner unsigned &Entry = ComplexPatternMap[&P]; 111e609a513f3c072bba28412c681465332a2822d9aChris Lattner if (Entry == 0) { 112e609a513f3c072bba28412c681465332a2822d9aChris Lattner ComplexPatterns.push_back(&P); 113e609a513f3c072bba28412c681465332a2822d9aChris Lattner Entry = ComplexPatterns.size(); 114e609a513f3c072bba28412c681465332a2822d9aChris Lattner } 115e609a513f3c072bba28412c681465332a2822d9aChris Lattner return Entry-1; 116e609a513f3c072bba28412c681465332a2822d9aChris Lattner } 1178e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner 1188e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner unsigned getNodeXFormID(Record *Rec) { 1198e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner unsigned &Entry = NodeXFormMap[Rec]; 1208e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner if (Entry == 0) { 1218e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner NodeXForms.push_back(Rec); 1228e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner Entry = NodeXForms.size(); 1238e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner } 1248e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner return Entry-1; 1258e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner } 1268e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner 127e02ea54cfd71dee378ca6b11243710d1760ea7c1Chris Lattner}; 128e02ea54cfd71dee378ca6b11243710d1760ea7c1Chris Lattner} // end anonymous namespace. 129e02ea54cfd71dee378ca6b11243710d1760ea7c1Chris Lattner 130da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner/// EmitMatcherOpcodes - Emit bytes for the specified matcher and return 131da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner/// the number of bytes emitted. 132e02ea54cfd71dee378ca6b11243710d1760ea7c1Chris Lattnerunsigned MatcherTableEmitter:: 133984e18823e863f2232ccf63f7e84b878dbd55b6fChris LattnerEmitMatcher(const MatcherNode *N, unsigned Indent, formatted_raw_ostream &OS) { 134da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner OS.PadToColumn(Indent*2); 135da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner 136da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner switch (N->getKind()) { 137da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner case MatcherNode::Push: assert(0 && "Should be handled by caller"); 138845c04273461b2a10754a1455b02916a19ea72aaChris Lattner case MatcherNode::RecordNode: 139845c04273461b2a10754a1455b02916a19ea72aaChris Lattner OS << "OPC_RecordNode,"; 140c96087b3433582f1c2bdb4f0ad3dad7f0b350339Chris Lattner OS.PadToColumn(CommentIndent) << "// " 141c96087b3433582f1c2bdb4f0ad3dad7f0b350339Chris Lattner << cast<RecordMatcherNode>(N)->getWhatFor() << '\n'; 142da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner return 1; 1438e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner 1448e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner case MatcherNode::RecordMemRef: 1458e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner OS << "OPC_RecordMemRef,\n"; 1468e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner return 1; 1478e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner 1488e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner case MatcherNode::CaptureFlagInput: 1498e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner OS << "OPC_CaptureFlagInput,\n"; 1508e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner return 1; 1518e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner 152da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner case MatcherNode::MoveChild: 153da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner OS << "OPC_MoveChild, " 154da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner << cast<MoveChildMatcherNode>(N)->getChildNo() << ",\n"; 155da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner return 2; 156da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner 157da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner case MatcherNode::MoveParent: 158da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner OS << "OPC_MoveParent,\n"; 159da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner return 1; 160da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner 161da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner case MatcherNode::CheckSame: 162da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner OS << "OPC_CheckSame, " 163da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner << cast<CheckSameMatcherNode>(N)->getMatchNumber() << ",\n"; 164da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner return 2; 165da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner 166050a03d0f31ee7033d0459dae3c95b8bf12bff89Chris Lattner case MatcherNode::CheckPatternPredicate: { 167050a03d0f31ee7033d0459dae3c95b8bf12bff89Chris Lattner StringRef Pred = cast<CheckPatternPredicateMatcherNode>(N)->getPredicate(); 168050a03d0f31ee7033d0459dae3c95b8bf12bff89Chris Lattner OS << "OPC_CheckPatternPredicate, " << getPatternPredicate(Pred) << ','; 169050a03d0f31ee7033d0459dae3c95b8bf12bff89Chris Lattner OS.PadToColumn(CommentIndent) << "// " << Pred << '\n'; 170da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner return 2; 171050a03d0f31ee7033d0459dae3c95b8bf12bff89Chris Lattner } 172050a03d0f31ee7033d0459dae3c95b8bf12bff89Chris Lattner case MatcherNode::CheckPredicate: { 173050a03d0f31ee7033d0459dae3c95b8bf12bff89Chris Lattner StringRef Pred = cast<CheckPredicateMatcherNode>(N)->getPredicateName(); 174050a03d0f31ee7033d0459dae3c95b8bf12bff89Chris Lattner OS << "OPC_CheckPredicate, " << getNodePredicate(Pred) << ','; 175050a03d0f31ee7033d0459dae3c95b8bf12bff89Chris Lattner OS.PadToColumn(CommentIndent) << "// " << Pred << '\n'; 176da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner return 2; 177050a03d0f31ee7033d0459dae3c95b8bf12bff89Chris Lattner } 178050a03d0f31ee7033d0459dae3c95b8bf12bff89Chris Lattner 179da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner case MatcherNode::CheckOpcode: 180da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner OS << "OPC_CheckOpcode, " 181da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner << cast<CheckOpcodeMatcherNode>(N)->getOpcodeName() << ",\n"; 182da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner return 2; 183da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner 184da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner case MatcherNode::CheckType: 185da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner OS << "OPC_CheckType, " 186da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner << getEnumName(cast<CheckTypeMatcherNode>(N)->getType()) << ",\n"; 187da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner return 2; 188da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner 189da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner case MatcherNode::CheckInteger: { 190da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner int64_t Val = cast<CheckIntegerMatcherNode>(N)->getValue(); 191da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner OS << "OPC_CheckInteger" << ClassifyInt(Val) << ", "; 192da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner return EmitInt(Val, OS)+1; 193da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner } 194da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner case MatcherNode::CheckCondCode: 195da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner OS << "OPC_CheckCondCode, ISD::" 196da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner << cast<CheckCondCodeMatcherNode>(N)->getCondCodeName() << ",\n"; 197da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner return 2; 198da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner 199da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner case MatcherNode::CheckValueType: 200da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner OS << "OPC_CheckValueType, MVT::" 201da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner << cast<CheckValueTypeMatcherNode>(N)->getTypeName() << ",\n"; 202da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner return 2; 203da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner 2045be6e5990b1da82e31f4236d1b392e52637cbe2eChris Lattner case MatcherNode::CheckComplexPat: { 2055be6e5990b1da82e31f4236d1b392e52637cbe2eChris Lattner const ComplexPattern &Pattern = 2065be6e5990b1da82e31f4236d1b392e52637cbe2eChris Lattner cast<CheckComplexPatMatcherNode>(N)->getPattern(); 2075be6e5990b1da82e31f4236d1b392e52637cbe2eChris Lattner OS << "OPC_CheckComplexPat, " << getComplexPat(Pattern) << ','; 208781f359c1a7f590c4f8828ad9d542606c3a0ee12Chris Lattner OS.PadToColumn(CommentIndent) << "// " << Pattern.getSelectFunc(); 209781f359c1a7f590c4f8828ad9d542606c3a0ee12Chris Lattner OS << ": " << Pattern.getNumOperands() << " operands"; 210781f359c1a7f590c4f8828ad9d542606c3a0ee12Chris Lattner if (Pattern.hasProperty(SDNPHasChain)) 211781f359c1a7f590c4f8828ad9d542606c3a0ee12Chris Lattner OS << " + chain result and input"; 212781f359c1a7f590c4f8828ad9d542606c3a0ee12Chris Lattner OS << '\n'; 213da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner return 2; 2145be6e5990b1da82e31f4236d1b392e52637cbe2eChris Lattner } 215da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner 216da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner case MatcherNode::CheckAndImm: { 217da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner int64_t Val = cast<CheckAndImmMatcherNode>(N)->getValue(); 218da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner OS << "OPC_CheckAndImm" << ClassifyInt(Val) << ", "; 219da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner return EmitInt(Val, OS)+1; 220da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner } 221da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner 222da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner case MatcherNode::CheckOrImm: { 223da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner int64_t Val = cast<CheckOrImmMatcherNode>(N)->getValue(); 224da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner OS << "OPC_CheckOrImm" << ClassifyInt(Val) << ", "; 225da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner return EmitInt(Val, OS)+1; 226da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner } 22721390d79843050ae8b3226860cadc16ff51d0dcfChris Lattner case MatcherNode::CheckFoldableChainNode: 22821390d79843050ae8b3226860cadc16ff51d0dcfChris Lattner OS << "OPC_CheckFoldableChainNode,\n"; 229e39650a805425ffdbd79692c7d1bad80f7332daeChris Lattner return 1; 2309a747f1305e76025df2323a03b805a284f2cde77Chris Lattner case MatcherNode::CheckChainCompatible: 2319a747f1305e76025df2323a03b805a284f2cde77Chris Lattner OS << "OPC_CheckChainCompatible, " 2329a747f1305e76025df2323a03b805a284f2cde77Chris Lattner << cast<CheckChainCompatibleMatcherNode>(N)->getPreviousOp() << ",\n"; 2339a747f1305e76025df2323a03b805a284f2cde77Chris Lattner return 2; 234845c04273461b2a10754a1455b02916a19ea72aaChris Lattner 235906b4995eeab9e6b6fd11a492498c95bba1ce0afChris Lattner case MatcherNode::EmitInteger: { 236906b4995eeab9e6b6fd11a492498c95bba1ce0afChris Lattner int64_t Val = cast<EmitIntegerMatcherNode>(N)->getValue(); 237906b4995eeab9e6b6fd11a492498c95bba1ce0afChris Lattner OS << "OPC_EmitInteger" << ClassifyInt(Val) << ", " 238906b4995eeab9e6b6fd11a492498c95bba1ce0afChris Lattner << getEnumName(cast<EmitIntegerMatcherNode>(N)->getVT()) << ", "; 239906b4995eeab9e6b6fd11a492498c95bba1ce0afChris Lattner return EmitInt(Val, OS)+2; 240906b4995eeab9e6b6fd11a492498c95bba1ce0afChris Lattner } 2418e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner case MatcherNode::EmitStringInteger: { 2428e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner const std::string &Val = cast<EmitStringIntegerMatcherNode>(N)->getValue(); 2438e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner // These should always fit into one byte. 2448e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner OS << "OPC_EmitInteger1, " 2458e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner << getEnumName(cast<EmitStringIntegerMatcherNode>(N)->getVT()) << ", " 2468e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner << Val << ",\n"; 2478e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner return 3; 2488e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner } 249906b4995eeab9e6b6fd11a492498c95bba1ce0afChris Lattner 250845c04273461b2a10754a1455b02916a19ea72aaChris Lattner case MatcherNode::EmitRegister: 251906b4995eeab9e6b6fd11a492498c95bba1ce0afChris Lattner OS << "OPC_EmitRegister, " 252906b4995eeab9e6b6fd11a492498c95bba1ce0afChris Lattner << getEnumName(cast<EmitRegisterMatcherNode>(N)->getVT()) << ", "; 253906b4995eeab9e6b6fd11a492498c95bba1ce0afChris Lattner if (Record *R = cast<EmitRegisterMatcherNode>(N)->getReg()) 254906b4995eeab9e6b6fd11a492498c95bba1ce0afChris Lattner OS << getQualifiedName(R) << ",\n"; 255906b4995eeab9e6b6fd11a492498c95bba1ce0afChris Lattner else 256906b4995eeab9e6b6fd11a492498c95bba1ce0afChris Lattner OS << "0 /*zero_reg*/,\n"; 257906b4995eeab9e6b6fd11a492498c95bba1ce0afChris Lattner return 3; 2588e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner 2598e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner case MatcherNode::EmitConvertToTarget: 2608e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner OS << "OPC_EmitConvertToTarget, " 2618e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner << cast<EmitConvertToTargetMatcherNode>(N)->getSlot() << ",\n"; 2628e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner return 2; 2638e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner 2648e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner case MatcherNode::EmitMergeInputChains: { 2658e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner const EmitMergeInputChainsMatcherNode *MN = 2668e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner cast<EmitMergeInputChainsMatcherNode>(N); 2678e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner OS << "OPC_EmitMergeInputChains, " << MN->getNumNodes() << ", "; 2688e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner for (unsigned i = 0, e = MN->getNumNodes(); i != e; ++i) 2698e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner OS << MN->getNode(i) << ", "; 2708e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner OS << '\n'; 2718e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner return 2+MN->getNumNodes(); 2728e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner } 2738e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner case MatcherNode::EmitCopyToReg: 2748e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner OS << "OPC_EmitCopyToReg, " 2758e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner << cast<EmitCopyToRegMatcherNode>(N)->getSrcSlot() << ", " 2768e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner << getQualifiedName(cast<EmitCopyToRegMatcherNode>(N)->getDestPhysReg()) 2778e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner << ",\n"; 2788e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner return 3; 2798e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner case MatcherNode::EmitNodeXForm: { 2808e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner const EmitNodeXFormMatcherNode *XF = cast<EmitNodeXFormMatcherNode>(N); 2818e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner OS << "OPC_EmitNodeXForm, " << getNodeXFormID(XF->getNodeXForm()) << ", " 2828e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner << XF->getSlot() << ','; 2838e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner OS.PadToColumn(CommentIndent) << "// "<<XF->getNodeXForm()->getName()<<'\n'; 2848e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner return 3; 2858e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner } 2868e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner 2878e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner case MatcherNode::EmitNode: { 2888e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner const EmitNodeMatcherNode *EN = cast<EmitNodeMatcherNode>(N); 2898e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner OS << "OPC_EmitNode, TARGET_OPCODE(" << EN->getOpcodeName() << "), 0"; 2908e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner 2918e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner if (EN->hasChain()) OS << "|OPFL_Chain"; 2928e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner if (EN->hasFlag()) OS << "|OPFL_Flag"; 2938e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner if (EN->hasMemRefs()) OS << "|OPFL_MemRefs"; 2948e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner if (EN->getNumFixedArityOperands() != -1) 2958e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner OS << "|OPFL_Variadic" << EN->getNumFixedArityOperands(); 2968e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner OS << ",\n"; 2978e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner 2988e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner OS.PadToColumn(Indent*2+4) << EN->getNumVTs() << "/*#VTs*/, "; 2998e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner for (unsigned i = 0, e = EN->getNumVTs(); i != e; ++i) 3008e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner OS << getEnumName(EN->getVT(i)) << ", "; 3018e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner 3028e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner OS << EN->getNumOperands() << "/*#Ops*/, "; 3038e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner for (unsigned i = 0, e = EN->getNumOperands(); i != e; ++i) 3048e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner OS << EN->getOperand(i) << ", "; 3058e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner OS << '\n'; 3068e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner return 5+EN->getNumVTs()+EN->getNumOperands(); 3078e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner } 30877f2e2724dc488bbf032e87f8f25f333730a0fb5Chris Lattner case MatcherNode::CompleteMatch: { 30977f2e2724dc488bbf032e87f8f25f333730a0fb5Chris Lattner const CompleteMatchMatcherNode *CM = cast<CompleteMatchMatcherNode>(N); 31077f2e2724dc488bbf032e87f8f25f333730a0fb5Chris Lattner OS << "OPC_CompleteMatch, " << CM->getNumResults() << ", "; 31177f2e2724dc488bbf032e87f8f25f333730a0fb5Chris Lattner for (unsigned i = 0, e = CM->getNumResults(); i != e; ++i) 31277f2e2724dc488bbf032e87f8f25f333730a0fb5Chris Lattner OS << CM->getResult(i) << ", "; 31377f2e2724dc488bbf032e87f8f25f333730a0fb5Chris Lattner OS << '\n'; 31477f2e2724dc488bbf032e87f8f25f333730a0fb5Chris Lattner OS.PadToColumn(Indent*2) << "// Src: " 31577f2e2724dc488bbf032e87f8f25f333730a0fb5Chris Lattner << *CM->getPattern().getSrcPattern() << '\n'; 31677f2e2724dc488bbf032e87f8f25f333730a0fb5Chris Lattner OS.PadToColumn(Indent*2) << "// Dst: " 31777f2e2724dc488bbf032e87f8f25f333730a0fb5Chris Lattner << *CM->getPattern().getDstPattern() << '\n'; 318984e18823e863f2232ccf63f7e84b878dbd55b6fChris Lattner return 2+CM->getNumResults(); 319da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner } 32077f2e2724dc488bbf032e87f8f25f333730a0fb5Chris Lattner } 321da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner assert(0 && "Unreachable"); 322da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner return 0; 323da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner} 324da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner 325bd8227f5298f0ab7b96203a6d3875e5d26573376Chris Lattner/// EmitMatcherList - Emit the bytes for the specified matcher subtree. 326e02ea54cfd71dee378ca6b11243710d1760ea7c1Chris Lattnerunsigned MatcherTableEmitter:: 327984e18823e863f2232ccf63f7e84b878dbd55b6fChris LattnerEmitMatcherList(const MatcherNode *N, unsigned Indent, 328984e18823e863f2232ccf63f7e84b878dbd55b6fChris Lattner formatted_raw_ostream &OS) { 329da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner unsigned Size = 0; 3308ef9c7958ad7a23ad15d7ff59e1377aec10ca42aChris Lattner while (N) { 331da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner // Push is a special case since it is binary. 332da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner if (const PushMatcherNode *PMN = dyn_cast<PushMatcherNode>(N)) { 333da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner // We need to encode the child and the offset of the failure code before 334da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner // emitting either of them. Handle this by buffering the output into a 335da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner // string while we get the size. 336da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner SmallString<128> TmpBuf; 337bd8227f5298f0ab7b96203a6d3875e5d26573376Chris Lattner unsigned NextSize; 338da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner { 339da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner raw_svector_ostream OS(TmpBuf); 340da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner formatted_raw_ostream FOS(OS); 341bd8227f5298f0ab7b96203a6d3875e5d26573376Chris Lattner NextSize = EmitMatcherList(cast<PushMatcherNode>(N)->getNext(), 342984e18823e863f2232ccf63f7e84b878dbd55b6fChris Lattner Indent+1, FOS); 343da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner } 344da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner 345bd8227f5298f0ab7b96203a6d3875e5d26573376Chris Lattner if (NextSize > 255) { 346da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner errs() << 347da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner "Tblgen internal error: can't handle predicate this complex yet\n"; 3488e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner // FIXME: exit(1); 349da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner } 350da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner 351da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner OS.PadToColumn(Indent*2); 352bd8227f5298f0ab7b96203a6d3875e5d26573376Chris Lattner OS << "OPC_Push, " << NextSize << ",\n"; 353da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner OS << TmpBuf.str(); 354da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner 355bd8227f5298f0ab7b96203a6d3875e5d26573376Chris Lattner Size += 2 + NextSize; 356da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner 357da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner N = PMN->getFailure(); 358da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner continue; 359da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner } 360da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner 361984e18823e863f2232ccf63f7e84b878dbd55b6fChris Lattner Size += EmitMatcher(N, Indent, OS); 362da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner 363bd8227f5298f0ab7b96203a6d3875e5d26573376Chris Lattner // If there are other nodes in this list, iterate to them, otherwise we're 364da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner // done. 365bd8227f5298f0ab7b96203a6d3875e5d26573376Chris Lattner N = N->getNext(); 366da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner } 3678ef9c7958ad7a23ad15d7ff59e1377aec10ca42aChris Lattner return Size; 368da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner} 369da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner 370984e18823e863f2232ccf63f7e84b878dbd55b6fChris Lattnervoid MatcherTableEmitter::EmitPredicateFunctions(formatted_raw_ostream &OS) { 371b49985a8499e18675db7e9baf920d6ef4e2b65cfChris Lattner // FIXME: Don't build off the DAGISelEmitter's predicates, emit them directly 372b49985a8499e18675db7e9baf920d6ef4e2b65cfChris Lattner // here into the case stmts. 373b49985a8499e18675db7e9baf920d6ef4e2b65cfChris Lattner 374e609a513f3c072bba28412c681465332a2822d9aChris Lattner // Emit pattern predicates. 375050a03d0f31ee7033d0459dae3c95b8bf12bff89Chris Lattner OS << "bool CheckPatternPredicate(unsigned PredNo) const {\n"; 376050a03d0f31ee7033d0459dae3c95b8bf12bff89Chris Lattner OS << " switch (PredNo) {\n"; 377050a03d0f31ee7033d0459dae3c95b8bf12bff89Chris Lattner OS << " default: assert(0 && \"Invalid predicate in table?\");\n"; 378050a03d0f31ee7033d0459dae3c95b8bf12bff89Chris Lattner for (unsigned i = 0, e = PatternPredicates.size(); i != e; ++i) 379050a03d0f31ee7033d0459dae3c95b8bf12bff89Chris Lattner OS << " case " << i << ": return " << PatternPredicates[i] << ";\n"; 380050a03d0f31ee7033d0459dae3c95b8bf12bff89Chris Lattner OS << " }\n"; 381050a03d0f31ee7033d0459dae3c95b8bf12bff89Chris Lattner OS << "}\n\n"; 382050a03d0f31ee7033d0459dae3c95b8bf12bff89Chris Lattner 383e609a513f3c072bba28412c681465332a2822d9aChris Lattner // Emit Node predicates. 384050a03d0f31ee7033d0459dae3c95b8bf12bff89Chris Lattner OS << "bool CheckNodePredicate(SDNode *N, unsigned PredNo) const {\n"; 385050a03d0f31ee7033d0459dae3c95b8bf12bff89Chris Lattner OS << " switch (PredNo) {\n"; 386050a03d0f31ee7033d0459dae3c95b8bf12bff89Chris Lattner OS << " default: assert(0 && \"Invalid predicate in table?\");\n"; 387050a03d0f31ee7033d0459dae3c95b8bf12bff89Chris Lattner for (unsigned i = 0, e = NodePredicates.size(); i != e; ++i) 388050a03d0f31ee7033d0459dae3c95b8bf12bff89Chris Lattner OS << " case " << i << ": return " << NodePredicates[i] << "(N);\n"; 389050a03d0f31ee7033d0459dae3c95b8bf12bff89Chris Lattner OS << " }\n"; 390050a03d0f31ee7033d0459dae3c95b8bf12bff89Chris Lattner OS << "}\n\n"; 391e609a513f3c072bba28412c681465332a2822d9aChris Lattner 392e609a513f3c072bba28412c681465332a2822d9aChris Lattner // Emit CompletePattern matchers. 3938e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner // FIXME: This should be const. 394e609a513f3c072bba28412c681465332a2822d9aChris Lattner OS << "bool CheckComplexPattern(SDNode *Root, SDValue N,\n"; 395e609a513f3c072bba28412c681465332a2822d9aChris Lattner OS << " unsigned PatternNo, SmallVectorImpl<SDValue> &Result) {\n"; 396e609a513f3c072bba28412c681465332a2822d9aChris Lattner OS << " switch (PatternNo) {\n"; 397e609a513f3c072bba28412c681465332a2822d9aChris Lattner OS << " default: assert(0 && \"Invalid pattern # in table?\");\n"; 398e609a513f3c072bba28412c681465332a2822d9aChris Lattner for (unsigned i = 0, e = ComplexPatterns.size(); i != e; ++i) { 399e609a513f3c072bba28412c681465332a2822d9aChris Lattner const ComplexPattern &P = *ComplexPatterns[i]; 400e609a513f3c072bba28412c681465332a2822d9aChris Lattner unsigned NumOps = P.getNumOperands(); 4018e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner 402e609a513f3c072bba28412c681465332a2822d9aChris Lattner if (P.hasProperty(SDNPHasChain)) 4038e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner ++NumOps; // Get the chained node too. 4048e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner 405e609a513f3c072bba28412c681465332a2822d9aChris Lattner OS << " case " << i << ":\n"; 406e609a513f3c072bba28412c681465332a2822d9aChris Lattner OS << " Result.resize(Result.size()+" << NumOps << ");\n"; 4078e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner OS << " return " << P.getSelectFunc(); 4088e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner 4098e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner // FIXME: Temporary hack until old isel dies. 4108e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner if (P.hasProperty(SDNPHasChain)) 4118e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner OS << "XXX"; 4128e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner 4138e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner OS << "(Root, N"; 414e609a513f3c072bba28412c681465332a2822d9aChris Lattner for (unsigned i = 0; i != NumOps; ++i) 415e609a513f3c072bba28412c681465332a2822d9aChris Lattner OS << ", Result[Result.size()-" << (NumOps-i) << ']'; 416e609a513f3c072bba28412c681465332a2822d9aChris Lattner OS << ");\n"; 417e609a513f3c072bba28412c681465332a2822d9aChris Lattner } 418e609a513f3c072bba28412c681465332a2822d9aChris Lattner OS << " }\n"; 419e609a513f3c072bba28412c681465332a2822d9aChris Lattner OS << "}\n\n"; 4208e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner 4218e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner // Emit SDNodeXForm handlers. 4228e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner // FIXME: This should be const. 4238e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner OS << "SDValue RunSDNodeXForm(SDValue V, unsigned XFormNo) {\n"; 4248e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner OS << " switch (XFormNo) {\n"; 4258e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner OS << " default: assert(0 && \"Invalid xform # in table?\");\n"; 4268e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner 4278e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner // FIXME: The node xform could take SDValue's instead of SDNode*'s. 4288e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner for (unsigned i = 0, e = NodeXForms.size(); i != e; ++i) 4298e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner OS << " case " << i << ": return Transform_" << NodeXForms[i]->getName() 4308e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner << "(V.getNode());\n"; 4318e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner OS << " }\n"; 4328e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner OS << "}\n\n"; 433050a03d0f31ee7033d0459dae3c95b8bf12bff89Chris Lattner} 434050a03d0f31ee7033d0459dae3c95b8bf12bff89Chris Lattner 435050a03d0f31ee7033d0459dae3c95b8bf12bff89Chris Lattner 436da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattnervoid llvm::EmitMatcherTable(const MatcherNode *Matcher, raw_ostream &O) { 437da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner formatted_raw_ostream OS(O); 438da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner 439da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner OS << "// The main instruction selector code.\n"; 440da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner OS << "SDNode *SelectCode2(SDNode *N) {\n"; 441da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner 442984e18823e863f2232ccf63f7e84b878dbd55b6fChris Lattner MatcherTableEmitter MatcherEmitter; 443e02ea54cfd71dee378ca6b11243710d1760ea7c1Chris Lattner 4448e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner OS << " // Opcodes are emitted as 2 bytes, TARGET_OPCODE handles this.\n"; 4458e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner OS << " #define TARGET_OPCODE(X) X & 255, unsigned(X) >> 8\n"; 446da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner OS << " static const unsigned char MatcherTable[] = {\n"; 447984e18823e863f2232ccf63f7e84b878dbd55b6fChris Lattner unsigned TotalSize = MatcherEmitter.EmitMatcherList(Matcher, 2, OS); 448da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner OS << " 0\n }; // Total Array size is " << (TotalSize+1) << " bytes\n\n"; 4498e946bea146c15333ce5f9f1b7a9efe5e75fd892Chris Lattner OS << " #undef TARGET_OPCODE\n"; 450e02ea54cfd71dee378ca6b11243710d1760ea7c1Chris Lattner OS << " return SelectCodeCommon(N, MatcherTable,sizeof(MatcherTable));\n}\n"; 451050a03d0f31ee7033d0459dae3c95b8bf12bff89Chris Lattner OS << "\n"; 452050a03d0f31ee7033d0459dae3c95b8bf12bff89Chris Lattner 453050a03d0f31ee7033d0459dae3c95b8bf12bff89Chris Lattner // Next up, emit the function for node and pattern predicates: 454984e18823e863f2232ccf63f7e84b878dbd55b6fChris Lattner MatcherEmitter.EmitPredicateFunctions(OS); 455da272d1a704bd564272e88cbdbcf14712e3abbdcChris Lattner} 456