[CHERIoT] Make XCheriot imply the other features it depends on.

resistor · resistor · commit 32f3e8fee587 · 2025-08-20T10:03:49.000+08:00
diff --git a/llvm/lib/Target/RISCV/RISCVFeatures.td b/llvm/lib/Target/RISCV/RISCVFeatures.td
@@ -1384,7 +1384,9 @@ def NotPureCapABI
     : Predicate<"!RISCVABI::isCheriPureCapABI(Subtarget->getTargetABI())">;
 
 def FeatureVendorXCheriot
-    : RISCVExtension<1, 0, "Implements XCheriot extension">;
+    : RISCVExtension<1, 0, "Implements XCheriot extension",
+    [FeatureVendorXCheri, FeatureVendorXCheriPureCap, 
+     FeatureStdExtC, FeatureStdExtE, FeatureStdExtM]>;
 
 def HasCheriot
     : Predicate<"Subtarget->hasVendorXCheriot()">,
