/// started.
BitVector ReservedRegs;
+#ifdef LLVM_BUILD_GLOBAL_ISEL
+ /// Map generic virtual registers to their actual size.
+ DenseMap<unsigned, unsigned> VRegToSize;
+#endif
+
/// Keep track of the physical registers that are live in to the function.
/// Live in values are typically arguments in registers. LiveIn values are
/// allowed to have virtual registers associated with them, stored in the
///
unsigned createVirtualRegister(const TargetRegisterClass *RegClass);
+#ifdef LLVM_BUILD_GLOBAL_ISEL
+ /// Get the size of \p VReg or 0 if VReg is not a generic
+ /// (target independent) virtual register.
+ unsigned getSize(unsigned VReg) const;
+#endif
+
/// getNumVirtRegs - Return the number of virtual registers created.
///
unsigned getNumVirtRegs() const { return VRegInfo.size(); }
if (StartOp != 0) OS << ", ";
getOperand(StartOp).print(OS, MST, TRI);
unsigned Reg = getOperand(StartOp).getReg();
- if (TargetRegisterInfo::isVirtualRegister(Reg))
+ if (TargetRegisterInfo::isVirtualRegister(Reg)) {
VirtRegs.push_back(Reg);
+#ifdef LLVM_BUILD_GLOBAL_ISEL
+ unsigned Size;
+ if (MRI && (Size = MRI->getSize(Reg))) {
+ OS << '(' << Size << ')';
+ }
+#endif
+ }
}
if (StartOp != 0)
return Reg;
}
+#ifdef LLVM_BUILD_GLOBAL_ISEL
+unsigned
+MachineRegisterInfo::getSize(unsigned VReg) const {
+ DenseMap<unsigned, unsigned>::const_iterator SizeIt =
+ VRegToSize.find(VReg);
+ return SizeIt != VRegToSize.end()? SizeIt->second: 0;
+}
+#endif // LLVM_BUILD_GLOBAL_ISEL
+
/// clearVirtRegs - Remove all virtual registers (after physreg assignment).
void MachineRegisterInfo::clearVirtRegs() {
#ifndef NDEBUG