Add support for writing ConstantExpr nodes.
llvm-svn: 2899
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@ -96,6 +96,27 @@ void BytecodeWriter::outputType(const Type *T) {
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}
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}
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bool BytecodeWriter::outputConstant(const Constant *CPV) {
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bool BytecodeWriter::outputConstant(const Constant *CPV) {
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// We must check for a ConstantExpr before switching by type because
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// a ConstantExpr can be of any type, and has no explicit value.
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//
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if (const ConstantExpr* CE = dyn_cast<ConstantExpr>(CPV)) {
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assert(CE->getNumOperands() > 0 && "ConstantExpr with 0 operands");
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output_vbr(CE->getNumOperands(), Out); // flags as an expr
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output_vbr(CE->getOpcode(), Out); // flags as an expr
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for (User::const_op_iterator OI = CE->op_begin(); OI != CE->op_end(); ++OI){
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int Slot = Table.getValSlot(*OI);
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assert(Slot != -1 && "Unknown constant used in ConstantExpr!!");
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output_vbr((unsigned)Slot, Out);
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Slot = Table.getValSlot((*OI)->getType());
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output_vbr((unsigned)Slot, Out);
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}
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return false;
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}
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else
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output_vbr((unsigned)0, Out); // flag as not a ConstantExpr
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switch (CPV->getType()->getPrimitiveID()) {
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switch (CPV->getType()->getPrimitiveID()) {
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case Type::BoolTyID: // Boolean Types
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case Type::BoolTyID: // Boolean Types
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if (cast<const ConstantBool>(CPV)->getValue())
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if (cast<const ConstantBool>(CPV)->getValue())
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@ -125,7 +146,8 @@ bool BytecodeWriter::outputConstant(const Constant *CPV) {
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case Type::ArrayTyID: {
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case Type::ArrayTyID: {
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const ConstantArray *CPA = cast<const ConstantArray>(CPV);
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const ConstantArray *CPA = cast<const ConstantArray>(CPV);
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unsigned size = CPA->getValues().size();
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unsigned size = CPA->getValues().size();
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assert(size == cast<ArrayType>(CPA->getType())->getNumElements() && "ConstantArray out of whack!");
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assert(size == cast<ArrayType>(CPA->getType())->getNumElements()
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&& "ConstantArray out of whack!");
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for (unsigned i = 0; i < size; i++) {
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for (unsigned i = 0; i < size; i++) {
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int Slot = Table.getValSlot(CPA->getOperand(i));
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int Slot = Table.getValSlot(CPA->getOperand(i));
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assert(Slot != -1 && "Constant used but not available!!");
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assert(Slot != -1 && "Constant used but not available!!");
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