diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/MCA/HardwareUnits/Scheduler.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/lib/MCA/HardwareUnits/Scheduler.cpp b/llvm/lib/MCA/HardwareUnits/Scheduler.cpp index fb1080dc02c..b8cd62f8bd4 100644 --- a/llvm/lib/MCA/HardwareUnits/Scheduler.cpp +++ b/llvm/lib/MCA/HardwareUnits/Scheduler.cpp @@ -140,6 +140,7 @@ InstRef Scheduler::select() { Strategy->compare(IR, ReadySet[QueueIndex])) { const InstrDesc &D = IR.getInstruction()->getDesc(); uint64_t BusyResourceMask = Resources->checkAvailability(D); + BusyResourceUnits |= BusyResourceMask; if (!BusyResourceMask) QueueIndex = I; } @@ -196,6 +197,8 @@ void Scheduler::cycleEvent(SmallVectorImpl<ResourceRef> &Freed, IR.getInstruction()->cycleEvent(); promoteToReadySet(Ready); + + BusyResourceUnits = 0; } bool Scheduler::mustIssueImmediately(const InstRef &IR) const { |
