#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/StringMap.h"
+#include "llvm/Support/CommandLine.h"
#include "llvm/Support/FormattedStream.h"
using namespace llvm;
CommentIndent = 30
};
+// To reduce generated source code size.
+static cl::opt<bool>
+OmitComments("omit-comments", cl::desc("Do not generate comments"),
+ cl::init(false));
+
namespace {
class MatcherTableEmitter {
StringMap<unsigned> NodePredicateMap, PatternPredicateMap;
Val >>= 7;
++NumBytes;
}
- OS << Val << "/*" << InVal << "*/, ";
+ OS << Val;
+ if (!OmitComments)
+ OS << "/*" << InVal << "*/";
+ OS << ", ";
return NumBytes+1;
}
if (i == 0) {
OS << "OPC_Scope, ";
++CurrentIdx;
- } else {
- OS << "/*" << CurrentIdx << "*/";
- OS.PadToColumn(Indent*2) << "/*Scope*/ ";
+ } else {
+ if (!OmitComments) {
+ OS << "/*" << CurrentIdx << "*/";
+ OS.PadToColumn(Indent*2) << "/*Scope*/ ";
+ } else
+ OS.PadToColumn(Indent*2);
}
// We need to encode the child and the offset of the failure code before
assert(ChildSize != 0 && "Should not have a zero-sized child!");
CurrentIdx += EmitVBRValue(ChildSize, OS);
- OS << "/*->" << CurrentIdx+ChildSize << "*/";
+ if (!OmitComments) {
+ OS << "/*->" << CurrentIdx+ChildSize << "*/";
- if (i == 0)
- OS.PadToColumn(CommentIndent) << "// " << SM->getNumChildren()
- << " children in Scope";
+ if (i == 0)
+ OS.PadToColumn(CommentIndent) << "// " << SM->getNumChildren()
+ << " children in Scope";
+ }
OS << '\n' << TmpBuf.str();
CurrentIdx += ChildSize;
}
// Emit a zero as a sentinel indicating end of 'Scope'.
- OS << "/*" << CurrentIdx << "*/";
- OS.PadToColumn(Indent*2) << "0, /*End of Scope*/\n";
+ if (!OmitComments)
+ OS << "/*" << CurrentIdx << "*/";
+ OS.PadToColumn(Indent*2) << "0, ";
+ if (!OmitComments)
+ OS << "/*End of Scope*/";
+ OS << '\n';
return CurrentIdx - StartIdx + 1;
}
case Matcher::RecordNode:
OS << "OPC_RecordNode,";
- OS.PadToColumn(CommentIndent) << "// #"
- << cast<RecordMatcher>(N)->getResultNo() << " = "
- << cast<RecordMatcher>(N)->getWhatFor() << '\n';
+ if (!OmitComments)
+ OS.PadToColumn(CommentIndent) << "// #"
+ << cast<RecordMatcher>(N)->getResultNo() << " = "
+ << cast<RecordMatcher>(N)->getWhatFor();
+ OS << '\n';
return 1;
case Matcher::RecordChild:
OS << "OPC_RecordChild" << cast<RecordChildMatcher>(N)->getChildNo()
<< ',';
- OS.PadToColumn(CommentIndent) << "// #"
- << cast<RecordChildMatcher>(N)->getResultNo() << " = "
- << cast<RecordChildMatcher>(N)->getWhatFor() << '\n';
+ if (!OmitComments)
+ OS.PadToColumn(CommentIndent) << "// #"
+ << cast<RecordChildMatcher>(N)->getResultNo() << " = "
+ << cast<RecordChildMatcher>(N)->getWhatFor();
+ OS << '\n';
return 1;
case Matcher::RecordMemRef:
case Matcher::CheckPatternPredicate: {
StringRef Pred = cast<CheckPatternPredicateMatcher>(N)->getPredicate();
OS << "OPC_CheckPatternPredicate, " << getPatternPredicate(Pred) << ',';
- OS.PadToColumn(CommentIndent) << "// " << Pred << '\n';
+ if (!OmitComments)
+ OS.PadToColumn(CommentIndent) << "// " << Pred;
+ OS << '\n';
return 2;
}
case Matcher::CheckPredicate: {
StringRef Pred = cast<CheckPredicateMatcher>(N)->getPredicateName();
OS << "OPC_CheckPredicate, " << getNodePredicate(Pred) << ',';
- OS.PadToColumn(CommentIndent) << "// " << Pred << '\n';
+ if (!OmitComments)
+ OS.PadToColumn(CommentIndent) << "// " << Pred;
+ OS << '\n';
return 2;
}
case Matcher::SwitchOpcode: {
unsigned StartIdx = CurrentIdx;
const SwitchOpcodeMatcher *SOM = cast<SwitchOpcodeMatcher>(N);
- OS << "OPC_SwitchOpcode /*" << SOM->getNumCases() << " cases */, ";
+ OS << "OPC_SwitchOpcode ";
+ if (!OmitComments)
+ OS << "/*" << SOM->getNumCases() << " cases */";
+ OS << ", ";
++CurrentIdx;
// For each case we emit the size, then the opcode, then the matcher.
assert(ChildSize != 0 && "Should not have a zero-sized child!");
- if (i != 0)
- OS.PadToColumn(Indent*2) << "/*SwitchOpcode*/ ";
+ if (i != 0) {
+ OS.PadToColumn(Indent*2);
+ if (!OmitComments)
+ OS << "/*SwitchOpcode*/ ";
+ }
// Emit the VBR.
CurrentIdx += EmitVBRValue(ChildSize, OS);
OS << " " << SOM->getCaseOpcode(i).getEnumName() << ",";
- OS << "// ->" << CurrentIdx+ChildSize+1 << '\n';
+ if (!OmitComments)
+ OS << "// ->" << CurrentIdx+ChildSize+1;
+ OS << '\n';
++CurrentIdx;
OS << TmpBuf.str();
CurrentIdx += ChildSize;
}
// Emit the final zero to terminate the switch.
- OS.PadToColumn(Indent*2) << "0, // EndSwitchOpcode\n";
+ OS.PadToColumn(Indent*2) << "0, ";
+ if (!OmitComments)
+ OS << "// EndSwitchOpcode";
++CurrentIdx;
return CurrentIdx-StartIdx;
}
const ComplexPattern &Pattern =
cast<CheckComplexPatMatcher>(N)->getPattern();
OS << "OPC_CheckComplexPat, " << getComplexPat(Pattern) << ',';
- OS.PadToColumn(CommentIndent) << "// " << Pattern.getSelectFunc();
- OS << ": " << Pattern.getNumOperands() << " operands";
- if (Pattern.hasProperty(SDNPHasChain))
- OS << " + chain result and input";
+ if (!OmitComments) {
+ OS.PadToColumn(CommentIndent) << "// " << Pattern.getSelectFunc();
+ OS << ": " << Pattern.getNumOperands() << " operands";
+ if (Pattern.hasProperty(SDNPHasChain))
+ OS << " + chain result and input";
+ }
OS << '\n';
return 2;
}
<< getEnumName(cast<EmitRegisterMatcher>(N)->getVT()) << ", ";
if (Record *R = cast<EmitRegisterMatcher>(N)->getReg())
OS << getQualifiedName(R) << ",\n";
- else
- OS << "0 /*zero_reg*/,\n";
+ else {
+ OS << "0 ";
+ if (!OmitComments)
+ OS << "/*zero_reg*/";
+ OS << ",\n";
+ }
return 3;
case Matcher::EmitConvertToTarget:
const EmitNodeXFormMatcher *XF = cast<EmitNodeXFormMatcher>(N);
OS << "OPC_EmitNodeXForm, " << getNodeXFormID(XF->getNodeXForm()) << ", "
<< XF->getSlot() << ',';
- OS.PadToColumn(CommentIndent) << "// "<<XF->getNodeXForm()->getName()<<'\n';
+ if (!OmitComments)
+ OS.PadToColumn(CommentIndent) << "// "<<XF->getNodeXForm()->getName();
+ OS <<'\n';
return 3;
}
OS << "|OPFL_Variadic" << EN->getNumFixedArityOperands();
OS << ",\n";
- OS.PadToColumn(Indent*2+4) << EN->getNumVTs() << "/*#VTs*/, ";
+ OS.PadToColumn(Indent*2+4) << EN->getNumVTs();
+ if (!OmitComments)
+ OS << "/*#VTs*/";
+ OS << ", ";
for (unsigned i = 0, e = EN->getNumVTs(); i != e; ++i)
OS << getEnumName(EN->getVT(i)) << ", ";
- OS << EN->getNumOperands() << "/*#Ops*/, ";
+ OS << EN->getNumOperands();
+ if (!OmitComments)
+ OS << "/*#Ops*/";
+ OS << ", ";
unsigned NumOperandBytes = 0;
for (unsigned i = 0, e = EN->getNumOperands(); i != e; ++i) {
// We emit the operand numbers in VBR encoded format, in case the number
NumOperandBytes += EmitVBRValue(EN->getOperand(i), OS);
}
- // Print the result #'s for EmitNode.
- if (const EmitNodeMatcher *E = dyn_cast<EmitNodeMatcher>(EN)) {
- if (unsigned NumResults = EN->getNumVTs()) {
- OS.PadToColumn(CommentIndent) << "// Results = ";
- unsigned First = E->getFirstResultSlot();
- for (unsigned i = 0; i != NumResults; ++i)
- OS << "#" << First+i << " ";
+ if (!OmitComments) {
+ // Print the result #'s for EmitNode.
+ if (const EmitNodeMatcher *E = dyn_cast<EmitNodeMatcher>(EN)) {
+ if (unsigned NumResults = EN->getNumVTs()) {
+ OS.PadToColumn(CommentIndent) << "// Results = ";
+ unsigned First = E->getFirstResultSlot();
+ for (unsigned i = 0; i != NumResults; ++i)
+ OS << "#" << First+i << " ";
+ }
}
- }
- OS << '\n';
-
- if (const MorphNodeToMatcher *SNT = dyn_cast<MorphNodeToMatcher>(N)) {
- OS.PadToColumn(Indent*2) << "// Src: "
- << *SNT->getPattern().getSrcPattern() << '\n';
- OS.PadToColumn(Indent*2) << "// Dst: "
- << *SNT->getPattern().getDstPattern() << '\n';
-
- }
+ OS << '\n';
+
+ if (const MorphNodeToMatcher *SNT = dyn_cast<MorphNodeToMatcher>(N)) {
+ OS.PadToColumn(Indent*2) << "// Src: "
+ << *SNT->getPattern().getSrcPattern() << '\n';
+ OS.PadToColumn(Indent*2) << "// Dst: "
+ << *SNT->getPattern().getDstPattern() << '\n';
+ }
+ } else
+ OS << '\n';
return 6+EN->getNumVTs()+NumOperandBytes;
}
for (unsigned i = 0, e = CM->getNumResults(); i != e; ++i)
NumResultBytes += EmitVBRValue(CM->getResult(i), OS);
OS << '\n';
- OS.PadToColumn(Indent*2) << "// Src: "
- << *CM->getPattern().getSrcPattern() << '\n';
- OS.PadToColumn(Indent*2) << "// Dst: "
- << *CM->getPattern().getDstPattern() << '\n';
+ if (!OmitComments) {
+ OS.PadToColumn(Indent*2) << "// Src: "
+ << *CM->getPattern().getSrcPattern() << '\n';
+ OS.PadToColumn(Indent*2) << "// Dst: "
+ << *CM->getPattern().getDstPattern();
+ }
+ OS << '\n';
return 2 + NumResultBytes;
}
}
if (unsigned(N->getKind()) >= Histogram.size())
Histogram.resize(N->getKind()+1);
Histogram[N->getKind()]++;
-
- OS << "/*" << CurrentIdx << "*/";
+ if (!OmitComments)
+ OS << "/*" << CurrentIdx << "*/";
unsigned MatcherSize = EmitMatcher(N, Indent, CurrentIdx, OS);
Size += MatcherSize;
CurrentIdx += MatcherSize;
Record *SDNode = Entry.first;
const std::string &Code = Entry.second;
- OS << " case " << i << ": { // " << NodeXForms[i]->getName() << '\n';
+ OS << " case " << i << ": { ";
+ if (!OmitComments)
+ OS << "// " << NodeXForms[i]->getName();
+ OS << '\n';
std::string ClassName = CGP.getSDNodeInfo(SDNode).getSDClassName();
if (ClassName == "SDNode")
}
void MatcherTableEmitter::EmitHistogram(formatted_raw_ostream &OS) {
+ if (OmitComments)
+ return;
OS << " // Opcode Histogram:\n";
for (unsigned i = 0, e = Histogram.size(); i != e; ++i) {
OS << " // #";
OS << " #undef TARGET_OPCODE\n";
OS << " return SelectCodeCommon(N, MatcherTable,sizeof(MatcherTable));\n}\n";
- OS << "\n";
+ OS << '\n';
// Next up, emit the function for node and pattern predicates:
MatcherEmitter.EmitPredicateFunctions(CGP, OS);
projects / oota-llvm.git / blobdiff