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-rw-r--r--llvm/lib/CodeGen/TargetSchedule.cpp12
1 files changed, 7 insertions, 5 deletions
diff --git a/llvm/lib/CodeGen/TargetSchedule.cpp b/llvm/lib/CodeGen/TargetSchedule.cpp
index 2709df5697b..3cff31ad493 100644
--- a/llvm/lib/CodeGen/TargetSchedule.cpp
+++ b/llvm/lib/CodeGen/TargetSchedule.cpp
@@ -322,7 +322,7 @@ computeOutputLatency(const MachineInstr *DefMI, unsigned DefOperIdx,
return 0;
}
-Optional<double>
+double
TargetSchedModel::computeReciprocalThroughput(const MachineInstr *MI) const {
if (hasInstrItineraries()) {
unsigned SchedClass = MI->getDesc().getSchedClass();
@@ -332,10 +332,11 @@ TargetSchedModel::computeReciprocalThroughput(const MachineInstr *MI) const {
if (hasInstrSchedModel())
return MCSchedModel::getReciprocalThroughput(*STI, *resolveSchedClass(MI));
- return Optional<double>();
+
+ return 0.0;
}
-Optional<double>
+double
TargetSchedModel::computeReciprocalThroughput(unsigned Opcode) const {
unsigned SchedClass = TII->get(Opcode).getSchedClass();
if (hasInstrItineraries())
@@ -346,10 +347,11 @@ TargetSchedModel::computeReciprocalThroughput(unsigned Opcode) const {
if (SCDesc.isValid() && !SCDesc.isVariant())
return MCSchedModel::getReciprocalThroughput(*STI, SCDesc);
}
- return Optional<double>();
+
+ return 0.0;
}
-Optional<double>
+double
TargetSchedModel::computeReciprocalThroughput(const MCInst &MI) const {
if (hasInstrSchedModel())
return SchedModel.getReciprocalThroughput(*STI, *TII, MI);
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