//===----------------------------------------------------------------------===//
#include "CodeGenTarget.h"
+#include "llvm/TableGen/Error.h"
#include "llvm/TableGen/Record.h"
#include "llvm/TableGen/TableGenBackend.h"
#include <cassert>
} // End anonymous namespace
void CallingConvEmitter::run(raw_ostream &O) {
-
std::vector<Record*> CCs = Records.getAllDerivedDefinitions("CallingConv");
-
- // Emit prototypes for all of the CC's so that they can forward ref each
- // other.
+
+ // Emit prototypes for all of the non-custom CC's so that they can forward ref
+ // each other.
for (unsigned i = 0, e = CCs.size(); i != e; ++i) {
- O << "static bool " << CCs[i]->getName()
- << "(unsigned ValNo, MVT ValVT,\n"
- << std::string(CCs[i]->getName().size()+13, ' ')
- << "MVT LocVT, CCValAssign::LocInfo LocInfo,\n"
- << std::string(CCs[i]->getName().size()+13, ' ')
- << "ISD::ArgFlagsTy ArgFlags, CCState &State);\n";
+ if (!CCs[i]->getValueAsBit("Custom")) {
+ O << "static bool " << CCs[i]->getName()
+ << "(unsigned ValNo, MVT ValVT,\n"
+ << std::string(CCs[i]->getName().size() + 13, ' ')
+ << "MVT LocVT, CCValAssign::LocInfo LocInfo,\n"
+ << std::string(CCs[i]->getName().size() + 13, ' ')
+ << "ISD::ArgFlagsTy ArgFlags, CCState &State);\n";
+ }
+ }
+
+ // Emit each non-custom calling convention description in full.
+ for (unsigned i = 0, e = CCs.size(); i != e; ++i) {
+ if (!CCs[i]->getValueAsBit("Custom"))
+ EmitCallingConv(CCs[i], O);
}
-
- // Emit each calling convention description in full.
- for (unsigned i = 0, e = CCs.size(); i != e; ++i)
- EmitCallingConv(CCs[i], O);
}
O << Action->getValueAsString("Predicate");
} else {
Action->dump();
- throw "Unknown CCPredicateAction!";
+ PrintFatalError("Unknown CCPredicateAction!");
}
O << ") {\n";
O << IndentStr << "if (unsigned Reg = State.AllocateReg(";
O << getQualifiedName(RegList->getElementAsRecord(0)) << ")) {\n";
} else {
- O << IndentStr << "static const uint16_t RegList" << ++Counter
+ O << IndentStr << "static const MCPhysReg RegList" << ++Counter
<< "[] = {\n";
O << IndentStr << " ";
for (unsigned i = 0, e = RegList->getSize(); i != e; ++i) {
ListInit *ShadowRegList = Action->getValueAsListInit("ShadowRegList");
if (ShadowRegList->getSize() >0 &&
ShadowRegList->getSize() != RegList->getSize())
- throw "Invalid length of list of shadowed registers";
+ PrintFatalError("Invalid length of list of shadowed registers");
if (RegList->getSize() == 1) {
O << IndentStr << "if (unsigned Reg = State.AllocateReg(";
unsigned RegListNumber = ++Counter;
unsigned ShadowRegListNumber = ++Counter;
- O << IndentStr << "static const uint16_t RegList" << RegListNumber
+ O << IndentStr << "static const MCPhysReg RegList" << RegListNumber
<< "[] = {\n";
O << IndentStr << " ";
for (unsigned i = 0, e = RegList->getSize(); i != e; ++i) {
}
O << "\n" << IndentStr << "};\n";
- O << IndentStr << "static const uint16_t RegList"
+ O << IndentStr << "static const MCPhysReg RegList"
<< ShadowRegListNumber << "[] = {\n";
O << IndentStr << " ";
for (unsigned i = 0, e = ShadowRegList->getSize(); i != e; ++i) {
if (Size)
O << Size << ", ";
else
- O << "\n" << IndentStr << " State.getTarget().getDataLayout()"
- "->getTypeAllocSize(EVT(LocVT).getTypeForEVT(State.getContext())), ";
+ O << "\n" << IndentStr
+ << " State.getMachineFunction().getSubtarget().getDataLayout()"
+ "->getTypeAllocSize(EVT(LocVT).getTypeForEVT(State.getContext())),"
+ " ";
if (Align)
O << Align;
else
- O << "\n" << IndentStr << " State.getTarget().getDataLayout()"
- "->getABITypeAlignment(EVT(LocVT).getTypeForEVT(State.getContext()))";
- if (Action->isSubClassOf("CCAssignToStackWithShadow"))
- O << ", " << getQualifiedName(Action->getValueAsDef("ShadowReg"));
+ O << "\n" << IndentStr
+ << " State.getMachineFunction().getSubtarget().getDataLayout()"
+ "->getABITypeAlignment(EVT(LocVT).getTypeForEVT(State.getContext()"
+ "))";
O << ");\n" << IndentStr
<< "State.addLoc(CCValAssign::getMem(ValNo, ValVT, Offset"
<< Counter << ", LocVT, LocInfo));\n";
O << IndentStr << "return false;\n";
+ } else if (Action->isSubClassOf("CCAssignToStackWithShadow")) {
+ int Size = Action->getValueAsInt("Size");
+ int Align = Action->getValueAsInt("Align");
+ ListInit *ShadowRegList = Action->getValueAsListInit("ShadowRegList");
+
+ unsigned ShadowRegListNumber = ++Counter;
+
+ O << IndentStr << "static const MCPhysReg ShadowRegList"
+ << ShadowRegListNumber << "[] = {\n";
+ O << IndentStr << " ";
+ for (unsigned i = 0, e = ShadowRegList->getSize(); i != e; ++i) {
+ if (i != 0) O << ", ";
+ O << getQualifiedName(ShadowRegList->getElementAsRecord(i));
+ }
+ O << "\n" << IndentStr << "};\n";
+
+ O << IndentStr << "unsigned Offset" << ++Counter
+ << " = State.AllocateStack("
+ << Size << ", " << Align << ", "
+ << "ShadowRegList" << ShadowRegListNumber << ", "
+ << ShadowRegList->getSize() << ");\n";
+ O << IndentStr << "State.addLoc(CCValAssign::getMem(ValNo, ValVT, Offset"
+ << Counter << ", LocVT, LocInfo));\n";
+ O << IndentStr << "return false;\n";
} else if (Action->isSubClassOf("CCPromoteToType")) {
Record *DestTy = Action->getValueAsDef("DestTy");
- O << IndentStr << "LocVT = " << getEnumName(getValueType(DestTy)) <<";\n";
- O << IndentStr << "if (ArgFlags.isSExt())\n"
- << IndentStr << IndentStr << "LocInfo = CCValAssign::SExt;\n"
- << IndentStr << "else if (ArgFlags.isZExt())\n"
- << IndentStr << IndentStr << "LocInfo = CCValAssign::ZExt;\n"
- << IndentStr << "else\n"
- << IndentStr << IndentStr << "LocInfo = CCValAssign::AExt;\n";
+ MVT::SimpleValueType DestVT = getValueType(DestTy);
+ O << IndentStr << "LocVT = " << getEnumName(DestVT) <<";\n";
+ if (MVT(DestVT).isFloatingPoint()) {
+ O << IndentStr << "LocInfo = CCValAssign::FPExt;\n";
+ } else {
+ O << IndentStr << "if (ArgFlags.isSExt())\n"
+ << IndentStr << IndentStr << "LocInfo = CCValAssign::SExt;\n"
+ << IndentStr << "else if (ArgFlags.isZExt())\n"
+ << IndentStr << IndentStr << "LocInfo = CCValAssign::ZExt;\n"
+ << IndentStr << "else\n"
+ << IndentStr << IndentStr << "LocInfo = CCValAssign::AExt;\n";
+ }
+ } else if (Action->isSubClassOf("CCPromoteToUpperBitsInType")) {
+ Record *DestTy = Action->getValueAsDef("DestTy");
+ MVT::SimpleValueType DestVT = getValueType(DestTy);
+ O << IndentStr << "LocVT = " << getEnumName(DestVT) << ";\n";
+ if (MVT(DestVT).isFloatingPoint()) {
+ PrintFatalError("CCPromoteToUpperBitsInType does not handle floating "
+ "point");
+ } else {
+ O << IndentStr << "if (ArgFlags.isSExt())\n"
+ << IndentStr << IndentStr << "LocInfo = CCValAssign::SExtUpper;\n"
+ << IndentStr << "else if (ArgFlags.isZExt())\n"
+ << IndentStr << IndentStr << "LocInfo = CCValAssign::ZExtUpper;\n"
+ << IndentStr << "else\n"
+ << IndentStr << IndentStr << "LocInfo = CCValAssign::AExtUpper;\n";
+ }
} else if (Action->isSubClassOf("CCBitConvertToType")) {
Record *DestTy = Action->getValueAsDef("DestTy");
O << IndentStr << "LocVT = " << getEnumName(getValueType(DestTy)) <<";\n";
O << IndentStr << IndentStr << "return false;\n";
} else {
Action->dump();
- throw "Unknown CCAction!";
+ PrintFatalError("Unknown CCAction!");
}
}
}