[Mlir-commits] [mlir] [mlir][tosa] Add specification versioning to target environment (PR #156425)

[llvmlistbot at llvm.org]

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@@ -50,28 +50,63 @@ TargetEnvAttr getDefaultTargetEnv(MLIRContext *context);
 /// returned by getDefaultTargetEnv() if not provided.
 TargetEnvAttr lookupTargetEnvOrDefault(Operation *op);
 
+/// A thin wrapper around the SpecificationVersion enum to represent
+/// and provide utilities around the TOSA specification version.
+class TosaSpecificationVersion {
+public:
+  TosaSpecificationVersion(uint32_t major, uint32_t minor)
+      : majorVersion(major), minorVersion(minor) {}
+  TosaSpecificationVersion(SpecificationVersion version)
+      : TosaSpecificationVersion(fromVersionEnum(version)) {}
+
+  bool isBackwardsCompatibleWith(TosaSpecificationVersion baseVersion) const {
+    return this->majorVersion == baseVersion.majorVersion &&
+           this->minorVersion >= baseVersion.minorVersion;
+  }
+
+  uint32_t getMajor() const { return majorVersion; }
+  uint32_t getMinor() const { return minorVersion; }
+
+private:
+  uint32_t majorVersion = 0;
+  uint32_t minorVersion = 0;
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udaya-ranga wrote:

tosa spec also has `patch, draft` fields.
Are those less useful here ?

https://github.com/llvm/llvm-project/pull/156425