llvm::RegPressureTracker::getUpwardPressure

Get the pressure of each PSet after traversing this instruction bottom-up.

Synopsis

Declared in <llvm/CodeGen/RegisterPressure.h>

void
getUpwardPressure(
    MachineInstr const* MI,
    std::vector<unsigned int>& PressureResult,
    std::vector<unsigned int>& MaxPressureResult);

Return Value

the pressure of each PSet after traversing this instruction bottom-up.

Parameters

NameDescription
MIInstruction traversed bottom-up.
PressureResultPer-PSet pressure after traversing MI.
MaxPressureResultPer-PSet max pressure after traversing MI.