================
@@ -25,6 +26,23 @@ TargetSubtargetInfo::TargetSubtargetInfo(
TargetSubtargetInfo::~TargetSubtargetInfo() = default;
+bool TargetSubtargetInfo::isIntrinsicSupported(unsigned IntrinsicID,
+ const CallBase &CB) const {
+ StringRef RequiredFeatures = Intrinsic::getRequiredTargetFeatures(
+ static_cast<Intrinsic::ID>(IntrinsicID));
+
+ if (RequiredFeatures.empty())
+ return true;
+
+ if (RequiredFeatures == Intrinsic::CustomTargetFeatures)
+ return isIntrinsicSupportedByTarget(IntrinsicID, CB);
+
+ auto [It, Inserted] = IntrinsicSupportCache.try_emplace(IntrinsicID);
+ if (Inserted)
+ It->second = checkFeatureExpression(RequiredFeatures);
----------------
ssahasra wrote:
Ok. I do understand now ... if the required feature list is empty, then the
flow will not (and should not) reach this point anyway.
https://github.com/llvm/llvm-project/pull/201470
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