[Mlir-commits] [mlir] [MLIR][NVVM] Add family-conditional support to NVVMRequiresSM traits (PR #185909)

Durgadoss R llvmlistbot at llvm.org
Fri Mar 13 05:19:17 PDT 2026


================
@@ -23,55 +23,77 @@ namespace NVVM {
 
 // Struct to store and check compatibility of SM versions.
 struct NVVMCheckSMVersion {
-  // Set to true if the SM version is accelerated (e.g., sm_90a).
-  bool archAccelerated;
+  struct SMVersion {
+    unsigned version;
+    // Set to true if the SM version is accelerated (e.g., sm_90a).
+    bool archAccelerated;
+    // Set to true if the SM version is family-specific (e.g., sm_100f).
+    bool familySpecific;
+
+    unsigned getSmFamilyVersion() const { return version / 10; }
+
+    bool hasFamilySpecificFeatures() const {
+      return familySpecific || archAccelerated;
+    }
+  };
 
   // List of SM versions.
   // Typically only has one version except for cases where multiple
   // arch-accelerated versions are supported.
   // For example, tcgen05.shift is supported on sm_100a, sm_101a, and sm_103a.
-  llvm::SmallVector<int, 1> smVersionList;
-
-  template <typename... Ints>
-  NVVMCheckSMVersion(bool archAccelerated, Ints... smVersions)
-      : archAccelerated(archAccelerated), smVersionList({smVersions...}) {
-    assert((archAccelerated || smVersionList.size() == 1) &&
-           "non arch-accelerated SM version list must be a single version!");
+  llvm::SmallVector<SMVersion, 1> smVersionList;
+
+  template <typename... Versions>
+  NVVMCheckSMVersion(bool archAccelerated, bool familySpecific,
+                     Versions... smVersions)
+      : smVersionList({SMVersion{static_cast<unsigned>(smVersions),
+                                 archAccelerated, familySpecific}...}) {
+    assert(
+        !(archAccelerated && familySpecific) &&
+        "archAccelerated and familySpecific cannot be true at the same time!");
   }
 
   bool isCompatibleWith(const NVVMCheckSMVersion &targetSM) const {
     assert(targetSM.smVersionList.size() == 1 &&
            "target SM version list must be a single version!");
----------------
durga4github wrote:

"...must have a single version!"


https://github.com/llvm/llvm-project/pull/185909


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