MaxRegUnitWeight = std::max(MaxRegUnitWeight, RegUnits.Weight);
OS << " \"" << RegUnits.Name << "\",\n";
}
- OS << " nullptr };\n"
+ OS << " };\n"
<< " return PressureNameTable[Idx];\n"
<< "}\n\n";
OS << "namespace llvm {\n\n";
+ OS << "class " << TargetName << "FrameLowering;\n\n";
+
OS << "struct " << ClassName << " : public TargetRegisterInfo {\n"
<< " explicit " << ClassName
- << "(unsigned RA, unsigned D = 0, unsigned E = 0, unsigned PC = 0);\n"
- << " bool needsStackRealignment(const MachineFunction &) const override\n"
- << " { return false; }\n";
+ << "(unsigned RA, unsigned D = 0, unsigned E = 0, unsigned PC = 0);\n";
if (!RegBank.getSubRegIndices().empty()) {
OS << " unsigned composeSubRegIndicesImpl"
<< "(unsigned, unsigned) const override;\n"
<< "unsigned RegUnit) const override;\n"
<< " ArrayRef<const char *> getRegMaskNames() const override;\n"
<< " ArrayRef<const uint32_t *> getRegMasks() const override;\n"
+ << " /// Devirtualized TargetFrameLowering.\n"
+ << " static const " << TargetName << "FrameLowering *getFrameLowering(\n"
+ << " const MachineFunction &MF);\n"
<< "};\n\n";
const auto &RegisterClasses = RegBank.getRegClasses();
OS << "ArrayRef<const uint32_t *> " << ClassName
<< "::getRegMasks() const {\n";
- OS << " static const uint32_t *Masks[] = {\n";
- for (Record *CSRSet : CSRSets)
- OS << " " << CSRSet->getName() << "_RegMask, \n";
- OS << " nullptr\n };\n";
- OS << " return ArrayRef<const uint32_t *>(Masks, (size_t)" << CSRSets.size()
- << ");\n";
+ if (!CSRSets.empty()) {
+ OS << " static const uint32_t *const Masks[] = {\n";
+ for (Record *CSRSet : CSRSets)
+ OS << " " << CSRSet->getName() << "_RegMask,\n";
+ OS << " };\n";
+ OS << " return makeArrayRef(Masks);\n";
+ } else {
+ OS << " return None;\n";
+ }
OS << "}\n\n";
OS << "ArrayRef<const char *> " << ClassName
<< "::getRegMaskNames() const {\n";
- OS << " static const char *Names[] = {\n";
- for (Record *CSRSet : CSRSets)
- OS << " " << '"' << CSRSet->getName() << '"' << ",\n";
- OS << " nullptr\n };\n";
- OS << " return ArrayRef<const char *>(Names, (size_t)" << CSRSets.size()
- << ");\n";
+ if (!CSRSets.empty()) {
+ OS << " static const char *const Names[] = {\n";
+ for (Record *CSRSet : CSRSets)
+ OS << " " << '"' << CSRSet->getName() << '"' << ",\n";
+ OS << " };\n";
+ OS << " return makeArrayRef(Names);\n";
+ } else {
+ OS << " return None;\n";
+ }
OS << "}\n\n";
+ OS << "const " << TargetName << "FrameLowering *\n" << TargetName
+ << "GenRegisterInfo::getFrameLowering(const MachineFunction &MF) {\n"
+ << " return static_cast<const " << TargetName << "FrameLowering *>(\n"
+ << " MF.getSubtarget().getFrameLowering());\n"
+ << "}\n\n";
+
OS << "} // End llvm namespace\n";
OS << "#endif // GET_REGINFO_TARGET_DESC\n\n";
}