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finish implementation of basic abbrev writing.
llvm-svn: 36364
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parent
5510ac5a56
commit
69a8eda44d
@ -194,11 +194,40 @@ public:
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unsigned AbbrevNo = Abbrev-bitc::FIRST_ABBREV;
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assert(AbbrevNo < CurAbbrevs.size() && "Invalid abbrev #!");
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BitCodeAbbrev *Abbv = CurAbbrevs[AbbrevNo];
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assert(0 && "TODO");
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EmitCode(Abbrev);
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// Insert the code into Vals to treat it uniformly.
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Vals.insert(Vals.begin(), Code);
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unsigned RecordIdx = 0;
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for (unsigned i = 0, e = Abbv->getNumOperandInfos(); i != e; ++i) {
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assert(RecordIdx < Vals.size() && "Invalid abbrev/record");
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const BitCodeAbbrevOp &Op = Abbv->getOperandInfo(i);
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uint64_t RecordVal = Vals[RecordIdx];
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if (Op.isLiteral()) {
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// If the abbrev specifies the literal value to use, don't emit
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// anything.
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assert(RecordVal == Op.getLiteralValue() &&
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"Invalid abbrev for record!");
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++RecordIdx;
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} else {
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// Encode the value as we are commanded.
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switch (Op.getEncoding()) {
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default: assert(0 && "Unknown encoding!");
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case BitCodeAbbrevOp::FixedWidth:
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Emit64(RecordVal, Op.getEncodingData());
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++RecordIdx;
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break;
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case BitCodeAbbrevOp::VBR:
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EmitVBR64(RecordVal, Op.getEncodingData());
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++RecordIdx;
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break;
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}
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}
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}
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assert(RecordIdx == Vals.size() && "Not all record operands emitted!");
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} else {
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// If we don't have an abbrev to use, emit this in its fully unabbreviated
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// form.
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@ -215,7 +244,43 @@ public:
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void EmitRecord(unsigned Code, SmallVectorImpl<unsigned> &Vals,
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unsigned Abbrev = 0) {
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if (Abbrev) {
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assert(0 && "abbrevs not implemented yet!");
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unsigned AbbrevNo = Abbrev-bitc::FIRST_ABBREV;
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assert(AbbrevNo < CurAbbrevs.size() && "Invalid abbrev #!");
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BitCodeAbbrev *Abbv = CurAbbrevs[AbbrevNo];
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EmitCode(Abbrev);
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// Insert the code into Vals to treat it uniformly.
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Vals.insert(Vals.begin(), Code);
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unsigned RecordIdx = 0;
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for (unsigned i = 0, e = Abbv->getNumOperandInfos(); i != e; ++i) {
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assert(RecordIdx < Vals.size() && "Invalid abbrev/record");
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const BitCodeAbbrevOp &Op = Abbv->getOperandInfo(i);
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unsigned RecordVal = Vals[RecordIdx];
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if (Op.isLiteral()) {
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// If the abbrev specifies the literal value to use, don't emit
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// anything.
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assert(RecordVal == Op.getLiteralValue() &&
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"Invalid abbrev for record!");
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++RecordIdx;
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} else {
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// Encode the value as we are commanded.
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switch (Op.getEncoding()) {
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default: assert(0 && "Unknown encoding!");
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case BitCodeAbbrevOp::FixedWidth:
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Emit(RecordVal, Op.getEncodingData());
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++RecordIdx;
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break;
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case BitCodeAbbrevOp::VBR:
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EmitVBR(RecordVal, Op.getEncodingData());
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++RecordIdx;
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break;
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}
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}
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}
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assert(RecordIdx == Vals.size() && "Not all record operands emitted!");
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} else {
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// If we don't have an abbrev to use, emit this in its fully unabbreviated
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// form.
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