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-rw-r--r--llvm/lib/CodeGen/TargetSubtargetInfo.cpp12
1 files changed, 5 insertions, 7 deletions
diff --git a/llvm/lib/CodeGen/TargetSubtargetInfo.cpp b/llvm/lib/CodeGen/TargetSubtargetInfo.cpp
index 97ca707a738..fa29c05fd6c 100644
--- a/llvm/lib/CodeGen/TargetSubtargetInfo.cpp
+++ b/llvm/lib/CodeGen/TargetSubtargetInfo.cpp
@@ -67,13 +67,12 @@ bool TargetSubtargetInfo::useAA() const {
return false;
}
-static std::string createSchedInfoStr(unsigned Latency,
- Optional<double> RThroughput) {
+static std::string createSchedInfoStr(unsigned Latency, double RThroughput) {
static const char *SchedPrefix = " sched: [";
std::string Comment;
raw_string_ostream CS(Comment);
- if (RThroughput.hasValue())
- CS << SchedPrefix << Latency << format(":%2.2f", RThroughput.getValue())
+ if (RThroughput != 0.0)
+ CS << SchedPrefix << Latency << format(":%2.2f", RThroughput)
<< "]";
else
CS << SchedPrefix << Latency << ":?]";
@@ -90,7 +89,7 @@ std::string TargetSubtargetInfo::getSchedInfoStr(const MachineInstr &MI) const {
TargetSchedModel TSchedModel;
TSchedModel.init(this);
unsigned Latency = TSchedModel.computeInstrLatency(&MI);
- Optional<double> RThroughput = TSchedModel.computeReciprocalThroughput(&MI);
+ double RThroughput = TSchedModel.computeReciprocalThroughput(&MI);
return createSchedInfoStr(Latency, RThroughput);
}
@@ -109,8 +108,7 @@ std::string TargetSubtargetInfo::getSchedInfoStr(MCInst const &MCI) const {
getInstrInfo()->get(MCI.getOpcode()).getSchedClass());
} else
return std::string();
- Optional<double> RThroughput =
- TSchedModel.computeReciprocalThroughput(MCI);
+ double RThroughput = TSchedModel.computeReciprocalThroughput(MCI);
return createSchedInfoStr(Latency, RThroughput);
}
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