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-rw-r--r--utils/TableGen/AsmMatcherEmitter.cpp308
1 files changed, 164 insertions, 144 deletions
diff --git a/utils/TableGen/AsmMatcherEmitter.cpp b/utils/TableGen/AsmMatcherEmitter.cpp
index 78eb641..bc0cf43 100644
--- a/utils/TableGen/AsmMatcherEmitter.cpp
+++ b/utils/TableGen/AsmMatcherEmitter.cpp
@@ -77,7 +77,7 @@
//
// Some targets need a custom way to parse operands, some specific instructions
// can contain arguments that can represent processor flags and other kinds of
-// identifiers that need to be mapped to specific valeus in the final encoded
+// identifiers that need to be mapped to specific values in the final encoded
// instructions. The target specific custom operand parsing works in the
// following way:
//
@@ -100,9 +100,9 @@
#include "StringToOffsetTable.h"
#include "llvm/ADT/OwningPtr.h"
#include "llvm/ADT/PointerUnion.h"
+#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/ADT/SmallVector.h"
-#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Support/Debug.h"
@@ -199,7 +199,7 @@ public:
return Kind >= UserClass0;
}
- /// isRelatedTo - Check whether this class is "related" to \arg RHS. Classes
+ /// isRelatedTo - Check whether this class is "related" to \p RHS. Classes
/// are related if they are in the same class hierarchy.
bool isRelatedTo(const ClassInfo &RHS) const {
// Tokens are only related to tokens.
@@ -238,7 +238,7 @@ public:
return Root == RHSRoot;
}
- /// isSubsetOf - Test whether this class is a subset of \arg RHS;
+ /// isSubsetOf - Test whether this class is a subset of \p RHS.
bool isSubsetOf(const ClassInfo &RHS) const {
// This is a subset of RHS if it is the same class...
if (this == &RHS)
@@ -279,6 +279,15 @@ public:
}
};
+namespace {
+/// Sort ClassInfo pointers independently of pointer value.
+struct LessClassInfoPtr {
+ bool operator()(const ClassInfo *LHS, const ClassInfo *RHS) const {
+ return *LHS < *RHS;
+ }
+};
+}
+
/// MatchableInfo - Helper class for storing the necessary information for an
/// instruction or alias which is capable of being matched.
struct MatchableInfo {
@@ -501,7 +510,7 @@ struct MatchableInfo {
}
/// couldMatchAmbiguouslyWith - Check whether this matchable could
- /// ambiguously match the same set of operands as \arg RHS (without being a
+ /// ambiguously match the same set of operands as \p RHS (without being a
/// strictly superior match).
bool couldMatchAmbiguouslyWith(const MatchableInfo &RHS) {
// The primary comparator is the instruction mnemonic.
@@ -599,7 +608,8 @@ public:
std::vector<OperandMatchEntry> OperandMatchInfo;
/// Map of Register records to their class information.
- std::map<Record*, ClassInfo*> RegisterClasses;
+ typedef std::map<Record*, ClassInfo*, LessRecordByID> RegisterClassesTy;
+ RegisterClassesTy RegisterClasses;
/// Map of Predicate records to their subtarget information.
std::map<Record*, SubtargetFeatureInfo*> SubtargetFeatures;
@@ -679,18 +689,18 @@ parseTwoOperandConstraint(StringRef S, ArrayRef<SMLoc> Loc) {
// Split via the '='.
std::pair<StringRef, StringRef> Ops = S.split('=');
if (Ops.second == "")
- throw TGError(Loc, "missing '=' in two-operand alias constraint");
+ PrintFatalError(Loc, "missing '=' in two-operand alias constraint");
// Trim whitespace and the leading '$' on the operand names.
size_t start = Ops.first.find_first_of('$');
if (start == std::string::npos)
- throw TGError(Loc, "expected '$' prefix on asm operand name");
+ PrintFatalError(Loc, "expected '$' prefix on asm operand name");
Ops.first = Ops.first.slice(start + 1, std::string::npos);
size_t end = Ops.first.find_last_of(" \t");
Ops.first = Ops.first.slice(0, end);
// Now the second operand.
start = Ops.second.find_first_of('$');
if (start == std::string::npos)
- throw TGError(Loc, "expected '$' prefix on asm operand name");
+ PrintFatalError(Loc, "expected '$' prefix on asm operand name");
Ops.second = Ops.second.slice(start + 1, std::string::npos);
end = Ops.second.find_last_of(" \t");
Ops.first = Ops.first.slice(0, end);
@@ -706,11 +716,11 @@ void MatchableInfo::formTwoOperandAlias(StringRef Constraint) {
int SrcAsmOperand = findAsmOperandNamed(Ops.first);
int DstAsmOperand = findAsmOperandNamed(Ops.second);
if (SrcAsmOperand == -1)
- throw TGError(TheDef->getLoc(),
+ PrintFatalError(TheDef->getLoc(),
"unknown source two-operand alias operand '" +
Ops.first.str() + "'.");
if (DstAsmOperand == -1)
- throw TGError(TheDef->getLoc(),
+ PrintFatalError(TheDef->getLoc(),
"unknown destination two-operand alias operand '" +
Ops.second.str() + "'.");
@@ -842,15 +852,15 @@ void MatchableInfo::tokenizeAsmString(const AsmMatcherInfo &Info) {
// The first token of the instruction is the mnemonic, which must be a
// simple string, not a $foo variable or a singleton register.
if (AsmOperands.empty())
- throw TGError(TheDef->getLoc(),
+ PrintFatalError(TheDef->getLoc(),
"Instruction '" + TheDef->getName() + "' has no tokens");
Mnemonic = AsmOperands[0].Token;
if (Mnemonic.empty())
- throw TGError(TheDef->getLoc(),
+ PrintFatalError(TheDef->getLoc(),
"Missing instruction mnemonic");
// FIXME : Check and raise an error if it is a register.
if (Mnemonic[0] == '$')
- throw TGError(TheDef->getLoc(),
+ PrintFatalError(TheDef->getLoc(),
"Invalid instruction mnemonic '" + Mnemonic.str() + "'!");
// Remove the first operand, it is tracked in the mnemonic field.
@@ -860,12 +870,12 @@ void MatchableInfo::tokenizeAsmString(const AsmMatcherInfo &Info) {
bool MatchableInfo::validate(StringRef CommentDelimiter, bool Hack) const {
// Reject matchables with no .s string.
if (AsmString.empty())
- throw TGError(TheDef->getLoc(), "instruction with empty asm string");
+ PrintFatalError(TheDef->getLoc(), "instruction with empty asm string");
// Reject any matchables with a newline in them, they should be marked
// isCodeGenOnly if they are pseudo instructions.
if (AsmString.find('\n') != std::string::npos)
- throw TGError(TheDef->getLoc(),
+ PrintFatalError(TheDef->getLoc(),
"multiline instruction is not valid for the asmparser, "
"mark it isCodeGenOnly");
@@ -873,7 +883,7 @@ bool MatchableInfo::validate(StringRef CommentDelimiter, bool Hack) const {
// has one line.
if (!CommentDelimiter.empty() &&
StringRef(AsmString).find(CommentDelimiter) != StringRef::npos)
- throw TGError(TheDef->getLoc(),
+ PrintFatalError(TheDef->getLoc(),
"asmstring for instruction has comment character in it, "
"mark it isCodeGenOnly");
@@ -887,7 +897,7 @@ bool MatchableInfo::validate(StringRef CommentDelimiter, bool Hack) const {
for (unsigned i = 0, e = AsmOperands.size(); i != e; ++i) {
StringRef Tok = AsmOperands[i].Token;
if (Tok[0] == '$' && Tok.find(':') != StringRef::npos)
- throw TGError(TheDef->getLoc(),
+ PrintFatalError(TheDef->getLoc(),
"matchable with operand modifier '" + Tok.str() +
"' not supported by asm matcher. Mark isCodeGenOnly!");
@@ -895,7 +905,7 @@ bool MatchableInfo::validate(StringRef CommentDelimiter, bool Hack) const {
// We reject aliases and ignore instructions for now.
if (Tok[0] == '$' && !OperandNames.insert(Tok).second) {
if (!Hack)
- throw TGError(TheDef->getLoc(),
+ PrintFatalError(TheDef->getLoc(),
"ERROR: matchable with tied operand '" + Tok.str() +
"' can never be matched!");
// FIXME: Should reject these. The ARM backend hits this with $lane in a
@@ -983,7 +993,7 @@ AsmMatcherInfo::getOperandClass(const CGIOperandList::OperandInfo &OI,
int SubOpIdx) {
Record *Rec = OI.Rec;
if (SubOpIdx != -1)
- Rec = dynamic_cast<DefInit*>(OI.MIOperandInfo->getArg(SubOpIdx))->getDef();
+ Rec = cast<DefInit>(OI.MIOperandInfo->getArg(SubOpIdx))->getDef();
return getOperandClass(Rec, SubOpIdx);
}
@@ -994,10 +1004,10 @@ AsmMatcherInfo::getOperandClass(Record *Rec, int SubOpIdx) {
// use it, else just fall back to the underlying register class.
const RecordVal *R = Rec->getValue("ParserMatchClass");
if (R == 0 || R->getValue() == 0)
- throw "Record `" + Rec->getName() +
- "' does not have a ParserMatchClass!\n";
+ PrintFatalError("Record `" + Rec->getName() +
+ "' does not have a ParserMatchClass!\n");
- if (DefInit *DI= dynamic_cast<DefInit*>(R->getValue())) {
+ if (DefInit *DI= dyn_cast<DefInit>(R->getValue())) {
Record *MatchClass = DI->getDef();
if (ClassInfo *CI = AsmOperandClasses[MatchClass])
return CI;
@@ -1006,26 +1016,28 @@ AsmMatcherInfo::getOperandClass(Record *Rec, int SubOpIdx) {
// No custom match class. Just use the register class.
Record *ClassRec = Rec->getValueAsDef("RegClass");
if (!ClassRec)
- throw TGError(Rec->getLoc(), "RegisterOperand `" + Rec->getName() +
+ PrintFatalError(Rec->getLoc(), "RegisterOperand `" + Rec->getName() +
"' has no associated register class!\n");
if (ClassInfo *CI = RegisterClassClasses[ClassRec])
return CI;
- throw TGError(Rec->getLoc(), "register class has no class info!");
+ PrintFatalError(Rec->getLoc(), "register class has no class info!");
}
if (Rec->isSubClassOf("RegisterClass")) {
if (ClassInfo *CI = RegisterClassClasses[Rec])
return CI;
- throw TGError(Rec->getLoc(), "register class has no class info!");
+ PrintFatalError(Rec->getLoc(), "register class has no class info!");
}
- assert(Rec->isSubClassOf("Operand") && "Unexpected operand!");
+ if (!Rec->isSubClassOf("Operand"))
+ PrintFatalError(Rec->getLoc(), "Operand `" + Rec->getName() +
+ "' does not derive from class Operand!\n");
Record *MatchClass = Rec->getValueAsDef("ParserMatchClass");
if (ClassInfo *CI = AsmOperandClasses[MatchClass])
return CI;
- throw TGError(Rec->getLoc(), "operand has no match class!");
+ PrintFatalError(Rec->getLoc(), "operand has no match class!");
}
void AsmMatcherInfo::
@@ -1173,7 +1185,7 @@ void AsmMatcherInfo::buildOperandClasses() {
ListInit *Supers = (*it)->getValueAsListInit("SuperClasses");
for (unsigned i = 0, e = Supers->getSize(); i != e; ++i) {
- DefInit *DI = dynamic_cast<DefInit*>(Supers->getElement(i));
+ DefInit *DI = dyn_cast<DefInit>(Supers->getElement(i));
if (!DI) {
PrintError((*it)->getLoc(), "Invalid super class reference!");
continue;
@@ -1191,33 +1203,31 @@ void AsmMatcherInfo::buildOperandClasses() {
// Get or construct the predicate method name.
Init *PMName = (*it)->getValueInit("PredicateMethod");
- if (StringInit *SI = dynamic_cast<StringInit*>(PMName)) {
+ if (StringInit *SI = dyn_cast<StringInit>(PMName)) {
CI->PredicateMethod = SI->getValue();
} else {
- assert(dynamic_cast<UnsetInit*>(PMName) &&
- "Unexpected PredicateMethod field!");
+ assert(isa<UnsetInit>(PMName) && "Unexpected PredicateMethod field!");
CI->PredicateMethod = "is" + CI->ClassName;
}
// Get or construct the render method name.
Init *RMName = (*it)->getValueInit("RenderMethod");
- if (StringInit *SI = dynamic_cast<StringInit*>(RMName)) {
+ if (StringInit *SI = dyn_cast<StringInit>(RMName)) {
CI->RenderMethod = SI->getValue();
} else {
- assert(dynamic_cast<UnsetInit*>(RMName) &&
- "Unexpected RenderMethod field!");
+ assert(isa<UnsetInit>(RMName) && "Unexpected RenderMethod field!");
CI->RenderMethod = "add" + CI->ClassName + "Operands";
}
// Get the parse method name or leave it as empty.
Init *PRMName = (*it)->getValueInit("ParserMethod");
- if (StringInit *SI = dynamic_cast<StringInit*>(PRMName))
+ if (StringInit *SI = dyn_cast<StringInit>(PRMName))
CI->ParserMethod = SI->getValue();
// Get the diagnostic type or leave it as empty.
// Get the parse method name or leave it as empty.
Init *DiagnosticType = (*it)->getValueInit("DiagnosticType");
- if (StringInit *SI = dynamic_cast<StringInit*>(DiagnosticType))
+ if (StringInit *SI = dyn_cast<StringInit>(DiagnosticType))
CI->DiagnosticType = SI->getValue();
AsmOperandClasses[*it] = CI;
@@ -1237,7 +1247,8 @@ void AsmMatcherInfo::buildOperandMatchInfo() {
/// Map containing a mask with all operands indices that can be found for
/// that class inside a instruction.
- std::map<ClassInfo*, unsigned> OpClassMask;
+ typedef std::map<ClassInfo*, unsigned, LessClassInfoPtr> OpClassMaskTy;
+ OpClassMaskTy OpClassMask;
for (std::vector<MatchableInfo*>::const_iterator it =
Matchables.begin(), ie = Matchables.end();
@@ -1256,7 +1267,7 @@ void AsmMatcherInfo::buildOperandMatchInfo() {
}
// Generate operand match info for each mnemonic/operand class pair.
- for (std::map<ClassInfo*, unsigned>::iterator iit = OpClassMask.begin(),
+ for (OpClassMaskTy::iterator iit = OpClassMask.begin(),
iie = OpClassMask.end(); iit != iie; ++iit) {
unsigned OpMask = iit->second;
ClassInfo *CI = iit->first;
@@ -1276,7 +1287,7 @@ void AsmMatcherInfo::buildInfo() {
continue;
if (Pred->getName().empty())
- throw TGError(Pred->getLoc(), "Predicate has no name!");
+ PrintFatalError(Pred->getLoc(), "Predicate has no name!");
unsigned FeatureNo = SubtargetFeatures.size();
SubtargetFeatures[Pred] = new SubtargetFeatureInfo(Pred, FeatureNo);
@@ -1457,7 +1468,7 @@ void AsmMatcherInfo::buildInfo() {
ClassInfo *FromClass = getTokenClass(Rec->getValueAsString("FromToken"));
ClassInfo *ToClass = getTokenClass(Rec->getValueAsString("ToToken"));
if (FromClass == ToClass)
- throw TGError(Rec->getLoc(),
+ PrintFatalError(Rec->getLoc(),
"error: Destination value identical to source value.");
FromClass->SuperClasses.push_back(ToClass);
}
@@ -1479,7 +1490,7 @@ buildInstructionOperandReference(MatchableInfo *II,
// Map this token to an operand.
unsigned Idx;
if (!Operands.hasOperandNamed(OperandName, Idx))
- throw TGError(II->TheDef->getLoc(), "error: unable to find operand: '" +
+ PrintFatalError(II->TheDef->getLoc(), "error: unable to find operand: '" +
OperandName.str() + "'");
// If the instruction operand has multiple suboperands, but the parser
@@ -1550,7 +1561,7 @@ void AsmMatcherInfo::buildAliasOperandReference(MatchableInfo *II,
return;
}
- throw TGError(II->TheDef->getLoc(), "error: unable to find operand: '" +
+ PrintFatalError(II->TheDef->getLoc(), "error: unable to find operand: '" +
OperandName.str() + "'");
}
@@ -1572,7 +1583,7 @@ void MatchableInfo::buildInstructionResultOperands() {
// Find out what operand from the asmparser this MCInst operand comes from.
int SrcOperand = findAsmOperandNamed(OpInfo.Name);
if (OpInfo.Name.empty() || SrcOperand == -1)
- throw TGError(TheDef->getLoc(), "Instruction '" +
+ PrintFatalError(TheDef->getLoc(), "Instruction '" +
TheDef->getName() + "' has operand '" + OpInfo.Name +
"' that doesn't appear in asm string!");
@@ -1624,7 +1635,7 @@ void MatchableInfo::buildAliasResultOperands() {
StringRef Name = CGA.ResultOperands[AliasOpNo].getName();
int SrcOperand = findAsmOperand(Name, SubIdx);
if (SrcOperand == -1)
- throw TGError(TheDef->getLoc(), "Instruction '" +
+ PrintFatalError(TheDef->getLoc(), "Instruction '" +
TheDef->getName() + "' has operand '" + OpName +
"' that doesn't appear in asm string!");
unsigned NumOperands = (SubIdx == -1 ? OpInfo->MINumOperands : 1);
@@ -1661,9 +1672,9 @@ static unsigned getConverterOperandID(const std::string &Name,
}
-static void emitConvertToMCInst(CodeGenTarget &Target, StringRef ClassName,
- std::vector<MatchableInfo*> &Infos,
- raw_ostream &OS) {
+static void emitConvertFuncs(CodeGenTarget &Target, StringRef ClassName,
+ std::vector<MatchableInfo*> &Infos,
+ raw_ostream &OS) {
SetVector<std::string> OperandConversionKinds;
SetVector<std::string> InstructionConversionKinds;
std::vector<std::vector<uint8_t> > ConversionTable;
@@ -1684,9 +1695,9 @@ static void emitConvertToMCInst(CodeGenTarget &Target, StringRef ClassName,
<< " const SmallVectorImpl<MCParsedAsmOperand*"
<< "> &Operands) {\n"
<< " assert(Kind < CVT_NUM_SIGNATURES && \"Invalid signature!\");\n"
- << " uint8_t *Converter = ConversionTable[Kind];\n"
+ << " const uint8_t *Converter = ConversionTable[Kind];\n"
<< " Inst.setOpcode(Opcode);\n"
- << " for (uint8_t *p = Converter; *p; p+= 2) {\n"
+ << " for (const uint8_t *p = Converter; *p; p+= 2) {\n"
<< " switch (*p) {\n"
<< " default: llvm_unreachable(\"invalid conversion entry!\");\n"
<< " case CVT_Reg:\n"
@@ -1700,29 +1711,23 @@ static void emitConvertToMCInst(CodeGenTarget &Target, StringRef ClassName,
std::string OperandFnBody;
raw_string_ostream OpOS(OperandFnBody);
// Start the operand number lookup function.
- OpOS << "unsigned " << Target.getName() << ClassName << "::\n"
- << "getMCInstOperandNumImpl(unsigned Kind, MCInst &Inst,\n"
- << " const SmallVectorImpl<MCParsedAsmOperand*> "
- << "&Operands,\n unsigned OperandNum, unsigned "
- << "&NumMCOperands) {\n"
+ OpOS << "void " << Target.getName() << ClassName << "::\n"
+ << "convertToMapAndConstraints(unsigned Kind,\n";
+ OpOS.indent(27);
+ OpOS << "const SmallVectorImpl<MCParsedAsmOperand*> &Operands) {\n"
<< " assert(Kind < CVT_NUM_SIGNATURES && \"Invalid signature!\");\n"
- << " NumMCOperands = 0;\n"
- << " unsigned MCOperandNum = 0;\n"
- << " uint8_t *Converter = ConversionTable[Kind];\n"
- << " for (uint8_t *p = Converter; *p; p+= 2) {\n"
- << " if (*(p + 1) > OperandNum) continue;\n"
+ << " unsigned NumMCOperands = 0;\n"
+ << " const uint8_t *Converter = ConversionTable[Kind];\n"
+ << " for (const uint8_t *p = Converter; *p; p+= 2) {\n"
<< " switch (*p) {\n"
<< " default: llvm_unreachable(\"invalid conversion entry!\");\n"
<< " case CVT_Reg:\n"
- << " if (*(p + 1) == OperandNum) {\n"
- << " NumMCOperands = 1;\n"
- << " break;\n"
- << " }\n"
- << " ++MCOperandNum;\n"
+ << " Operands[*(p + 1)]->setMCOperandNum(NumMCOperands);\n"
+ << " Operands[*(p + 1)]->setConstraint(\"m\");\n"
+ << " ++NumMCOperands;\n"
<< " break;\n"
<< " case CVT_Tied:\n"
- << " // FIXME: Tied operand calculation not supported.\n"
- << " assert (0 && \"getMCInstOperandNumImpl() doesn't support tied operands, yet!\");\n"
+ << " ++NumMCOperands;\n"
<< " break;\n";
// Pre-populate the operand conversion kinds with the standard always
@@ -1818,11 +1823,9 @@ static void emitConvertToMCInst(CodeGenTarget &Target, StringRef ClassName,
// Add a handler for the operand number lookup.
OpOS << " case " << Name << ":\n"
- << " if (*(p + 1) == OperandNum) {\n"
- << " NumMCOperands = " << OpInfo.MINumOperands << ";\n"
- << " break;\n"
- << " }\n"
- << " MCOperandNum += " << OpInfo.MINumOperands << ";\n"
+ << " Operands[*(p + 1)]->setMCOperandNum(NumMCOperands);\n"
+ << " Operands[*(p + 1)]->setConstraint(\"m\");\n"
+ << " NumMCOperands += " << OpInfo.MINumOperands << ";\n"
<< " break;\n";
break;
}
@@ -1859,11 +1862,9 @@ static void emitConvertToMCInst(CodeGenTarget &Target, StringRef ClassName,
<< " break;\n";
OpOS << " case " << Name << ":\n"
- << " if (*(p + 1) == OperandNum) {\n"
- << " NumMCOperands = 1;\n"
- << " break;\n"
- << " }\n"
- << " ++MCOperandNum;\n"
+ << " Operands[*(p + 1)]->setMCOperandNum(NumMCOperands);\n"
+ << " Operands[*(p + 1)]->setConstraint(\"\");\n"
+ << " ++NumMCOperands;\n"
<< " break;\n";
break;
}
@@ -1892,11 +1893,9 @@ static void emitConvertToMCInst(CodeGenTarget &Target, StringRef ClassName,
<< " break;\n";
OpOS << " case " << Name << ":\n"
- << " if (*(p + 1) == OperandNum) {\n"
- << " NumMCOperands = 1;\n"
- << " break;\n"
- << " }\n"
- << " ++MCOperandNum;\n"
+ << " Operands[*(p + 1)]->setMCOperandNum(NumMCOperands);\n"
+ << " Operands[*(p + 1)]->setConstraint(\"m\");\n"
+ << " ++NumMCOperands;\n"
<< " break;\n";
}
}
@@ -1921,7 +1920,7 @@ static void emitConvertToMCInst(CodeGenTarget &Target, StringRef ClassName,
CvtOS << " }\n }\n}\n\n";
// Finish up the operand number lookup function.
- OpOS << " }\n }\n return MCOperandNum;\n}\n\n";
+ OpOS << " }\n }\n}\n\n";
OS << "namespace {\n";
@@ -1945,7 +1944,7 @@ static void emitConvertToMCInst(CodeGenTarget &Target, StringRef ClassName,
OS << "} // end anonymous namespace\n\n";
// Output the conversion table.
- OS << "static uint8_t ConversionTable[CVT_NUM_SIGNATURES]["
+ OS << "static const uint8_t ConversionTable[CVT_NUM_SIGNATURES]["
<< MaxRowLength << "] = {\n";
for (unsigned Row = 0, ERow = ConversionTable.size(); Row != ERow; ++Row) {
@@ -2041,7 +2040,7 @@ static void emitValidateOperandClass(AsmMatcherInfo &Info,
OS << " MatchClassKind OpKind;\n";
OS << " switch (Operand.getReg()) {\n";
OS << " default: OpKind = InvalidMatchClass; break;\n";
- for (std::map<Record*, ClassInfo*>::iterator
+ for (AsmMatcherInfo::RegisterClassesTy::iterator
it = Info.RegisterClasses.begin(), ie = Info.RegisterClasses.end();
it != ie; ++it)
OS << " case " << Info.Target.getName() << "::"
@@ -2062,7 +2061,7 @@ static void emitValidateOperandClass(AsmMatcherInfo &Info,
static void emitIsSubclass(CodeGenTarget &Target,
std::vector<ClassInfo*> &Infos,
raw_ostream &OS) {
- OS << "/// isSubclass - Compute whether \\arg A is a subclass of \\arg B.\n";
+ OS << "/// isSubclass - Compute whether \\p A is a subclass of \\p B.\n";
OS << "static bool isSubclass(MatchClassKind A, MatchClassKind B) {\n";
OS << " if (A == B)\n";
OS << " return true;\n\n";
@@ -2271,7 +2270,7 @@ static std::string GetAliasRequiredFeatures(Record *R,
SubtargetFeatureInfo *F = Info.getSubtargetFeature(ReqFeatures[i]);
if (F == 0)
- throw TGError(R->getLoc(), "Predicate '" + ReqFeatures[i]->getName() +
+ PrintFatalError(R->getLoc(), "Predicate '" + ReqFeatures[i]->getName() +
"' is not marked as an AssemblerPredicate!");
if (NumFeatures)
@@ -2334,14 +2333,14 @@ static bool emitMnemonicAliases(raw_ostream &OS, const AsmMatcherInfo &Info) {
// We can't have two aliases from the same mnemonic with no predicate.
PrintError(ToVec[AliasWithNoPredicate]->getLoc(),
"two MnemonicAliases with the same 'from' mnemonic!");
- throw TGError(R->getLoc(), "this is the other MnemonicAlias.");
+ PrintFatalError(R->getLoc(), "this is the other MnemonicAlias.");
}
AliasWithNoPredicate = i;
continue;
}
if (R->getValueAsString("ToMnemonic") == I->first)
- throw TGError(R->getLoc(), "MnemonicAlias to the same string");
+ PrintFatalError(R->getLoc(), "MnemonicAlias to the same string");
if (!MatchCode.empty())
MatchCode += "else ";
@@ -2377,17 +2376,27 @@ static const char *getMinimalTypeForRange(uint64_t Range) {
}
static void emitCustomOperandParsing(raw_ostream &OS, CodeGenTarget &Target,
- const AsmMatcherInfo &Info, StringRef ClassName) {
+ const AsmMatcherInfo &Info, StringRef ClassName,
+ StringToOffsetTable &StringTable,
+ unsigned MaxMnemonicIndex) {
+ unsigned MaxMask = 0;
+ for (std::vector<OperandMatchEntry>::const_iterator it =
+ Info.OperandMatchInfo.begin(), ie = Info.OperandMatchInfo.end();
+ it != ie; ++it) {
+ MaxMask |= it->OperandMask;
+ }
+
// Emit the static custom operand parsing table;
OS << "namespace {\n";
OS << " struct OperandMatchEntry {\n";
- OS << " static const char *const MnemonicTable;\n";
- OS << " uint32_t OperandMask;\n";
- OS << " uint32_t Mnemonic;\n";
OS << " " << getMinimalTypeForRange(1ULL << Info.SubtargetFeatures.size())
<< " RequiredFeatures;\n";
+ OS << " " << getMinimalTypeForRange(MaxMnemonicIndex)
+ << " Mnemonic;\n";
OS << " " << getMinimalTypeForRange(Info.Classes.size())
- << " Class;\n\n";
+ << " Class;\n";
+ OS << " " << getMinimalTypeForRange(MaxMask)
+ << " OperandMask;\n\n";
OS << " StringRef getMnemonic() const {\n";
OS << " return StringRef(MnemonicTable + Mnemonic + 1,\n";
OS << " MnemonicTable[Mnemonic]);\n";
@@ -2410,8 +2419,6 @@ static void emitCustomOperandParsing(raw_ostream &OS, CodeGenTarget &Target,
OS << "} // end anonymous namespace.\n\n";
- StringToOffsetTable StringTable;
-
OS << "static const OperandMatchEntry OperandMatchTable["
<< Info.OperandMatchInfo.size() << "] = {\n";
@@ -2422,8 +2429,25 @@ static void emitCustomOperandParsing(raw_ostream &OS, CodeGenTarget &Target,
const OperandMatchEntry &OMI = *it;
const MatchableInfo &II = *OMI.MI;
- OS << " { " << OMI.OperandMask;
+ OS << " { ";
+ // Write the required features mask.
+ if (!II.RequiredFeatures.empty()) {
+ for (unsigned i = 0, e = II.RequiredFeatures.size(); i != e; ++i) {
+ if (i) OS << "|";
+ OS << II.RequiredFeatures[i]->getEnumName();
+ }
+ } else
+ OS << "0";
+
+ // Store a pascal-style length byte in the mnemonic.
+ std::string LenMnemonic = char(II.Mnemonic.size()) + II.Mnemonic.str();
+ OS << ", " << StringTable.GetOrAddStringOffset(LenMnemonic, false)
+ << " /* " << II.Mnemonic << " */, ";
+
+ OS << OMI.CI->Name;
+
+ OS << ", " << OMI.OperandMask;
OS << " /* ";
bool printComma = false;
for (int i = 0, e = 31; i !=e; ++i)
@@ -2435,30 +2459,10 @@ static void emitCustomOperandParsing(raw_ostream &OS, CodeGenTarget &Target,
}
OS << " */";
- // Store a pascal-style length byte in the mnemonic.
- std::string LenMnemonic = char(II.Mnemonic.size()) + II.Mnemonic.str();
- OS << ", " << StringTable.GetOrAddStringOffset(LenMnemonic, false)
- << " /* " << II.Mnemonic << " */, ";
-
- // Write the required features mask.
- if (!II.RequiredFeatures.empty()) {
- for (unsigned i = 0, e = II.RequiredFeatures.size(); i != e; ++i) {
- if (i) OS << "|";
- OS << II.RequiredFeatures[i]->getEnumName();
- }
- } else
- OS << "0";
-
- OS << ", " << OMI.CI->Name;
-
OS << " },\n";
}
OS << "};\n\n";
- OS << "const char *const OperandMatchEntry::MnemonicTable =\n";
- StringTable.EmitString(OS);
- OS << ";\n\n";
-
// Emit the operand class switch to call the correct custom parser for
// the found operand class.
OS << Target.getName() << ClassName << "::OperandMatchResultTy "
@@ -2597,17 +2601,18 @@ void AsmMatcherEmitter::run(raw_ostream &OS) {
OS << " unsigned ComputeAvailableFeatures(uint64_t FeatureBits) const;\n";
OS << " void convertToMCInst(unsigned Kind, MCInst &Inst, "
<< "unsigned Opcode,\n"
- << " const SmallVectorImpl<MCParsedAsmOperand*> "
+ << " const SmallVectorImpl<MCParsedAsmOperand*> "
<< "&Operands);\n";
- OS << " unsigned getMCInstOperandNumImpl(unsigned Kind, MCInst &Inst,\n "
- << " const "
- << "SmallVectorImpl<MCParsedAsmOperand*> &Operands,\n "
- << " unsigned OperandNum, unsigned &NumMCOperands);\n";
- OS << " bool MnemonicIsValid(StringRef Mnemonic);\n";
- OS << " unsigned MatchInstructionImpl(\n"
- << " const SmallVectorImpl<MCParsedAsmOperand*> &Operands,\n"
- << " unsigned &Kind, MCInst &Inst, "
- << "unsigned &ErrorInfo,\n unsigned VariantID = 0);\n";
+ OS << " void convertToMapAndConstraints(unsigned Kind,\n ";
+ OS << " const SmallVectorImpl<MCParsedAsmOperand*> &Operands);\n";
+ OS << " bool mnemonicIsValid(StringRef Mnemonic);\n";
+ OS << " unsigned MatchInstructionImpl(\n";
+ OS.indent(27);
+ OS << "const SmallVectorImpl<MCParsedAsmOperand*> &Operands,\n"
+ << " MCInst &Inst,\n"
+ << " unsigned &ErrorInfo,"
+ << " bool matchingInlineAsm,\n"
+ << " unsigned VariantID = 0);\n";
if (Info.OperandMatchInfo.size()) {
OS << "\n enum OperandMatchResultTy {\n";
@@ -2660,8 +2665,10 @@ void AsmMatcherEmitter::run(raw_ostream &OS) {
// Generate the function that remaps for mnemonic aliases.
bool HasMnemonicAliases = emitMnemonicAliases(OS, Info);
- // Generate the unified function to convert operands into an MCInst.
- emitConvertToMCInst(Target, ClassName, Info.Matchables, OS);
+ // Generate the convertToMCInst function to convert operands into an MCInst.
+ // Also, generate the convertToMapAndConstraints function for MS-style inline
+ // assembly. The latter doesn't actually generate a MCInst.
+ emitConvertFuncs(Target, ClassName, Info.Matchables, OS);
// Emit the enumeration for classes which participate in matching.
emitMatchClassEnumeration(Target, Info.Classes, OS);
@@ -2679,11 +2686,25 @@ void AsmMatcherEmitter::run(raw_ostream &OS) {
emitComputeAvailableFeatures(Info, OS);
+ StringToOffsetTable StringTable;
+
size_t MaxNumOperands = 0;
+ unsigned MaxMnemonicIndex = 0;
for (std::vector<MatchableInfo*>::const_iterator it =
Info.Matchables.begin(), ie = Info.Matchables.end();
- it != ie; ++it)
- MaxNumOperands = std::max(MaxNumOperands, (*it)->AsmOperands.size());
+ it != ie; ++it) {
+ MatchableInfo &II = **it;
+ MaxNumOperands = std::max(MaxNumOperands, II.AsmOperands.size());
+
+ // Store a pascal-style length byte in the mnemonic.
+ std::string LenMnemonic = char(II.Mnemonic.size()) + II.Mnemonic.str();
+ MaxMnemonicIndex = std::max(MaxMnemonicIndex,
+ StringTable.GetOrAddStringOffset(LenMnemonic, false));
+ }
+
+ OS << "static const char *const MnemonicTable =\n";
+ StringTable.EmitString(OS);
+ OS << ";\n\n";
// Emit the static match table; unused classes get initalized to 0 which is
// guaranteed to be InvalidMatchClass.
@@ -2697,8 +2718,8 @@ void AsmMatcherEmitter::run(raw_ostream &OS) {
// following the mnemonic.
OS << "namespace {\n";
OS << " struct MatchEntry {\n";
- OS << " static const char *const MnemonicTable;\n";
- OS << " uint32_t Mnemonic;\n";
+ OS << " " << getMinimalTypeForRange(MaxMnemonicIndex)
+ << " Mnemonic;\n";
OS << " uint16_t Opcode;\n";
OS << " " << getMinimalTypeForRange(Info.Matchables.size())
<< " ConvertFn;\n";
@@ -2728,8 +2749,6 @@ void AsmMatcherEmitter::run(raw_ostream &OS) {
OS << "} // end anonymous namespace.\n\n";
- StringToOffsetTable StringTable;
-
OS << "static const MatchEntry MatchTable["
<< Info.Matchables.size() << "] = {\n";
@@ -2768,13 +2787,9 @@ void AsmMatcherEmitter::run(raw_ostream &OS) {
OS << "};\n\n";
- OS << "const char *const MatchEntry::MnemonicTable =\n";
- StringTable.EmitString(OS);
- OS << ";\n\n";
-
// A method to determine if a mnemonic is in the list.
OS << "bool " << Target.getName() << ClassName << "::\n"
- << "MnemonicIsValid(StringRef Mnemonic) {\n";
+ << "mnemonicIsValid(StringRef Mnemonic) {\n";
OS << " // Search the table.\n";
OS << " std::pair<const MatchEntry*, const MatchEntry*> MnemonicRange =\n";
OS << " std::equal_range(MatchTable, MatchTable+"
@@ -2787,8 +2802,8 @@ void AsmMatcherEmitter::run(raw_ostream &OS) {
<< Target.getName() << ClassName << "::\n"
<< "MatchInstructionImpl(const SmallVectorImpl<MCParsedAsmOperand*>"
<< " &Operands,\n";
- OS << " unsigned &Kind, MCInst &Inst, unsigned ";
- OS << "&ErrorInfo,\n unsigned VariantID) {\n";
+ OS << " MCInst &Inst,\n"
+ << "unsigned &ErrorInfo, bool matchingInlineAsm, unsigned VariantID) {\n";
OS << " // Eliminate obvious mismatches.\n";
OS << " if (Operands.size() > " << (MaxNumOperands+1) << ") {\n";
@@ -2882,6 +2897,11 @@ void AsmMatcherEmitter::run(raw_ostream &OS) {
OS << " continue;\n";
OS << " }\n";
OS << "\n";
+ OS << " if (matchingInlineAsm) {\n";
+ OS << " Inst.setOpcode(it->Opcode);\n";
+ OS << " convertToMapAndConstraints(it->ConvertFn, Operands);\n";
+ OS << " return Match_Success;\n";
+ OS << " }\n\n";
OS << " // We have selected a definite instruction, convert the parsed\n"
<< " // operands into the appropriate MCInst.\n";
OS << " convertToMCInst(it->ConvertFn, Inst, it->Opcode, Operands);\n";
@@ -2905,7 +2925,6 @@ void AsmMatcherEmitter::run(raw_ostream &OS) {
if (!InsnCleanupFn.empty())
OS << " " << InsnCleanupFn << "(Inst);\n";
- OS << " Kind = it->ConvertFn;\n";
OS << " return Match_Success;\n";
OS << " }\n\n";
@@ -2918,7 +2937,8 @@ void AsmMatcherEmitter::run(raw_ostream &OS) {
OS << "}\n\n";
if (Info.OperandMatchInfo.size())
- emitCustomOperandParsing(OS, Target, Info, ClassName);
+ emitCustomOperandParsing(OS, Target, Info, ClassName, StringTable,
+ MaxMnemonicIndex);
OS << "#endif // GET_MATCHER_IMPLEMENTATION\n\n";
}
generated by cgit v1.1 at 2025-11-11 21:33:38 +0000