CodeGen/SelectionDAG/TargetLowering.cpp

2319     AsmOperandInfo &OpInfo = ConstraintOperands.back();
2322     if (OpInfo.multipleAlternatives.size() > maCount)
2323       maCount = OpInfo.multipleAlternatives.size();
2325     OpInfo.ConstraintVT = MVT::Other;
2328     switch (OpInfo.Type) {
2331       if (OpInfo.isIndirect) {
2332         OpInfo.CallOperandVal = const_cast<Value *>(CS.getArgument(ArgNo++));
2341         OpInfo.ConstraintVT =
2345         OpInfo.ConstraintVT = getSimpleValueType(DL, CS.getType());
2350       OpInfo.CallOperandVal = const_cast<Value *>(CS.getArgument(ArgNo++));
2357     if (OpInfo.CallOperandVal) {
2358       llvm::Type *OpTy = OpInfo.CallOperandVal->getType();
2359       if (OpInfo.isIndirect) {
2383           OpInfo.ConstraintVT =
2389         OpInfo.ConstraintVT = MVT::getIntegerVT(PtrSize);
2391         OpInfo.ConstraintVT = MVT::getVT(OpTy, true);
2410           AsmOperandInfo& OpInfo = ConstraintOperands[cIndex];
2411           if (OpInfo.Type == InlineAsm::isClobber)
2418           if (OpInfo.hasMatchingInput()) {
2419             AsmOperandInfo &Input = ConstraintOperands[OpInfo.MatchingInput];
2420             if (OpInfo.ConstraintVT != Input.ConstraintVT) {
2421               if ((OpInfo.ConstraintVT.isInteger() !=
2423                   (OpInfo.ConstraintVT.getSizeInBits() !=
2430           weight = getMultipleConstraintMatchWeight(OpInfo, maIndex);
2458     AsmOperandInfo& OpInfo = ConstraintOperands[cIndex];
2464     if (OpInfo.hasMatchingInput()) {
2465       AsmOperandInfo &Input = ConstraintOperands[OpInfo.MatchingInput];
2467       if (OpInfo.ConstraintVT != Input.ConstraintVT) {
2469             getRegForInlineAsmConstraint(TRI, OpInfo.ConstraintCode,
2470                                          OpInfo.ConstraintVT);
2474         if ((OpInfo.ConstraintVT.isInteger() !=
2597 static void ChooseConstraint(TargetLowering::AsmOperandInfo &OpInfo,
2600   assert(OpInfo.Codes.size() > 1 && "Doesn't have multiple constraint options");
2606   for (unsigned i = 0, e = OpInfo.Codes.size(); i != e; ++i) {
2608       TLI.getConstraintType(OpInfo.Codes[i]);
2615       assert(OpInfo.Codes[i].size() == 1 &&
2618       TLI.LowerAsmOperandForConstraint(Op, OpInfo.Codes[i],
2629     if (CType == TargetLowering::C_Memory && OpInfo.hasMatchingInput())
2641   OpInfo.ConstraintCode = OpInfo.Codes[BestIdx];
2642   OpInfo.ConstraintType = BestType;
2646 /// AsmOperandInfo, setting OpInfo.ConstraintCode and OpInfo.ConstraintType.
2647 void TargetLowering::ComputeConstraintToUse(AsmOperandInfo &OpInfo,
2650   assert(!OpInfo.Codes.empty() && "Must have at least one constraint");
2653   if (OpInfo.Codes.size() == 1) {
2654     OpInfo.ConstraintCode = OpInfo.Codes[0];
2655     OpInfo.ConstraintType = getConstraintType(OpInfo.ConstraintCode);
2657     ChooseConstraint(OpInfo, *this, Op, DAG);
2661   if (OpInfo.ConstraintCode == "X" && OpInfo.CallOperandVal) {
2665     Value *v = OpInfo.CallOperandVal;
2667       OpInfo.CallOperandVal = v;
2673     if (const char *Repl = LowerXConstraint(OpInfo.ConstraintVT)) {
2674       OpInfo.ConstraintCode = Repl;
2675       OpInfo.ConstraintType = getConstraintType(OpInfo.ConstraintCode);