//
// The LLVM Compiler Infrastructure
//
-// This file was developed by Chris Lattner and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
#include "CodeGenTarget.h"
using namespace llvm;
-void CallingConvEmitter::run(std::ostream &O) {
+void CallingConvEmitter::run(raw_ostream &O) {
EmitSourceFileHeader("Calling Convention Implementation Fragment", O);
std::vector<Record*> CCs = Records.getAllDerivedDefinitions("CallingConv");
// other.
for (unsigned i = 0, e = CCs.size(); i != e; ++i) {
O << "static bool " << CCs[i]->getName()
- << "(unsigned ValNo, MVT::ValueType ValVT,\n"
+ << "(unsigned ValNo, EVT ValVT,\n"
<< std::string(CCs[i]->getName().size()+13, ' ')
- << "MVT::ValueType LocVT, CCValAssign::LocInfo LocInfo,\n"
+ << "EVT LocVT, CCValAssign::LocInfo LocInfo,\n"
<< std::string(CCs[i]->getName().size()+13, ' ')
- << "unsigned ArgFlags, CCState &State);\n";
+ << "ISD::ArgFlagsTy ArgFlags, CCState &State);\n";
}
// Emit each calling convention description in full.
}
-void CallingConvEmitter::EmitCallingConv(Record *CC, std::ostream &O) {
+void CallingConvEmitter::EmitCallingConv(Record *CC, raw_ostream &O) {
ListInit *CCActions = CC->getValueAsListInit("Actions");
Counter = 0;
O << "\n\nstatic bool " << CC->getName()
- << "(unsigned ValNo, MVT::ValueType ValVT,\n"
+ << "(unsigned ValNo, EVT ValVT,\n"
<< std::string(CC->getName().size()+13, ' ')
- << "MVT::ValueType LocVT, CCValAssign::LocInfo LocInfo,\n"
+ << "EVT LocVT, CCValAssign::LocInfo LocInfo,\n"
<< std::string(CC->getName().size()+13, ' ')
- << "unsigned ArgFlags, CCState &State) {\n";
+ << "ISD::ArgFlagsTy ArgFlags, CCState &State) {\n";
// Emit all of the actions, in order.
for (unsigned i = 0, e = CCActions->getSize(); i != e; ++i) {
O << "\n";
}
void CallingConvEmitter::EmitAction(Record *Action,
- unsigned Indent, std::ostream &O) {
+ unsigned Indent, raw_ostream &O) {
std::string IndentStr = std::string(Indent, ' ');
if (Action->isSubClassOf("CCPredicateAction")) {
<< "Reg, LocVT, LocInfo));\n";
O << IndentStr << " return false;\n";
O << IndentStr << "}\n";
+ } else if (Action->isSubClassOf("CCAssignToRegWithShadow")) {
+ ListInit *RegList = Action->getValueAsListInit("RegList");
+ ListInit *ShadowRegList = Action->getValueAsListInit("ShadowRegList");
+ if (ShadowRegList->getSize() >0 &&
+ ShadowRegList->getSize() != RegList->getSize())
+ throw "Invalid length of list of shadowed registers";
+
+ if (RegList->getSize() == 1) {
+ O << IndentStr << "if (unsigned Reg = State.AllocateReg(";
+ O << getQualifiedName(RegList->getElementAsRecord(0));
+ O << ", " << getQualifiedName(ShadowRegList->getElementAsRecord(0));
+ O << ")) {\n";
+ } else {
+ unsigned RegListNumber = ++Counter;
+ unsigned ShadowRegListNumber = ++Counter;
+
+ O << IndentStr << "static const unsigned RegList" << RegListNumber
+ << "[] = {\n";
+ O << IndentStr << " ";
+ for (unsigned i = 0, e = RegList->getSize(); i != e; ++i) {
+ if (i != 0) O << ", ";
+ O << getQualifiedName(RegList->getElementAsRecord(i));
+ }
+ O << "\n" << IndentStr << "};\n";
+
+ O << IndentStr << "static const unsigned RegList"
+ << 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 << "if (unsigned Reg = State.AllocateReg(RegList"
+ << RegListNumber << ", " << "RegList" << ShadowRegListNumber
+ << ", " << RegList->getSize() << ")) {\n";
+ }
+ O << IndentStr << " State.addLoc(CCValAssign::getReg(ValNo, ValVT, "
+ << "Reg, LocVT, LocInfo));\n";
+ O << IndentStr << " return false;\n";
+ O << IndentStr << "}\n";
} else if (Action->isSubClassOf("CCAssignToStack")) {
int Size = Action->getValueAsInt("Size");
int Align = Action->getValueAsInt("Align");
O << Size << ", ";
else
O << "\n" << IndentStr << " State.getTarget().getTargetData()"
- "->getABITypeSize(MVT::getTypeForValueType(LocVT)), ";
+ "->getTypeAllocSize(LocVT.getTypeForEVT(State.getContext())), ";
if (Align)
O << Align;
else
O << "\n" << IndentStr << " State.getTarget().getTargetData()"
- "->getABITypeAlignment(MVT::getTypeForValueType(LocVT))";
+ "->getABITypeAlignment(LocVT.getTypeForEVT(State.getContext()))";
O << ");\n" << IndentStr
<< "State.addLoc(CCValAssign::getMem(ValNo, ValVT, Offset"
<< Counter << ", LocVT, LocInfo));\n";
} else if (Action->isSubClassOf("CCPromoteToType")) {
Record *DestTy = Action->getValueAsDef("DestTy");
O << IndentStr << "LocVT = " << getEnumName(getValueType(DestTy)) <<";\n";
- O << IndentStr << "if (ArgFlags & ISD::ParamFlags::SExt)\n"
+ O << IndentStr << "if (ArgFlags.isSExt())\n"
<< IndentStr << IndentStr << "LocInfo = CCValAssign::SExt;\n"
- << IndentStr << "else if (ArgFlags & ISD::ParamFlags::ZExt)\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("CCStructAssign")) {
- O << IndentStr <<
- "State.HandleStruct(ValNo, ValVT, LocVT, LocInfo, ArgFlags);\n";
+ } else if (Action->isSubClassOf("CCBitConvertToType")) {
+ Record *DestTy = Action->getValueAsDef("DestTy");
+ O << IndentStr << "LocVT = " << getEnumName(getValueType(DestTy)) <<";\n";
+ O << IndentStr << "LocInfo = CCValAssign::BCvt;\n";
+ } else if (Action->isSubClassOf("CCPassIndirect")) {
+ Record *DestTy = Action->getValueAsDef("DestTy");
+ O << IndentStr << "LocVT = " << getEnumName(getValueType(DestTy)) <<";\n";
+ O << IndentStr << "LocInfo = CCValAssign::Indirect;\n";
+ } else if (Action->isSubClassOf("CCPassByVal")) {
+ int Size = Action->getValueAsInt("Size");
+ int Align = Action->getValueAsInt("Align");
+ O << IndentStr
+ << "State.HandleByVal(ValNo, ValVT, LocVT, LocInfo, "
+ << Size << ", " << Align << ", ArgFlags);\n";
O << IndentStr << "return false;\n";
+ } else if (Action->isSubClassOf("CCCustom")) {
+ O << IndentStr
+ << "if (" << Action->getValueAsString("FuncName") << "(ValNo, ValVT, "
+ << "LocVT, LocInfo, ArgFlags, State))\n";
+ O << IndentStr << IndentStr << "return false;\n";
} else {
Action->dump();
throw "Unknown CCAction!";