llvm::VirtRegInfo

VirtRegInfo - Information about a virtual register used by a set of operands.

Synopsis

Declared in <llvm/CodeGen/MachineInstrBundle.h>

struct VirtRegInfo;

Data Members

NameDescription
Reads Reads - One of the operands read the virtual register. This does not include undef or internal use operands, see MO::readsReg().
Tied Tied - Uses and defs must use the same register. This can be because of a two-address constraint, or there may be a partial redefinition of a sub-register.
Writes Writes - One of the operands writes the virtual register.

Non-Member Functions

NameDescription
AnalyzeVirtRegInBundleAnalyze how the current instruction or bundle uses a virtual register.