Commit 4332f1a4 authored by vpykhtin's avatar vpykhtin
Browse files

[AMDGPU] Fix GCN regpressure trackers for INLINEASM instructions. 

Differential revision: https://reviews.llvm.org/D73338
parent af954e44

llvm/lib/Target/AMDGPU/GCNRegPressure.cpp

+5 −4
Original line number Diff line number Diff line
@@ -327,8 +327,9 @@ void GCNUpwardRPTracker::recede(const MachineInstr &MI) { 
  // update max pressure

  MaxPressure = max(AtMIPressure, MaxPressure);



  for (const auto &MO : MI.defs()) {

    if (!MO.isReg() || !Register::isVirtualRegister(MO.getReg()) || MO.isDead())

  for (const auto &MO : MI.operands()) {

    if (!MO.isReg() || !MO.isDef() ||

        !Register::isVirtualRegister(MO.getReg()) || MO.isDead())

      continue;



    auto Reg = MO.getReg();
@@ -403,8 +404,8 @@ void GCNDownwardRPTracker::advanceToNext() { 
  LastTrackedMI = &*NextMI++;



  // Add new registers or mask bits.

  for (const auto &MO : LastTrackedMI->defs()) {

    if (!MO.isReg())

  for (const auto &MO : LastTrackedMI->operands()) {

    if (!MO.isReg() || !MO.isDef())

      continue;

    Register Reg = MO.getReg();

    if (!Register::isVirtualRegister(Reg))