(possibly) fix build error.

Peiming Liu · Peiming Liu · commit 9cae7d72d4b0 · 2024-02-15T22:31:15.000Z
diff --git a/mlir/include/mlir/Dialect/SparseTensor/IR/Enums.h b/mlir/include/mlir/Dialect/SparseTensor/IR/Enums.h
@@ -295,7 +295,7 @@ struct LevelType {
   }
 
   /// Get the `LevelFormat` of the `LevelType`.
-  LevelFormat getLvlFmt() const {
+  constexpr LevelFormat getLvlFmt() const {
     return static_cast<LevelFormat>(lvlBits & 0xffff0000);
   }
 
@@ -307,12 +307,12 @@ struct LevelType {
 
   /// Check if the `LevelType` has the properties
   template <LevelPropNonDefault p>
-  bool isa() const {
+  constexpr bool isa() const {
     return lvlBits & static_cast<uint64_t>(p);
   }
 
   /// Check if the `LevelType` needs positions array.
-  bool isWithPosLT() const {
+  constexpr bool isWithPosLT() const {
     return isa<LevelFormat::Compressed>() ||
            isa<LevelFormat::LooseCompressed>();
   }

Original file line number	Diff line number	Diff line change
`@@ -295,7 +295,7 @@ struct LevelType {`
`295`	`295`	`}`
`296`	`296`
`297`	`297`	/// Get the `LevelFormat` of the `LevelType`.
`298`		`- LevelFormat getLvlFmt() const {`
	`298`	`+ constexpr LevelFormat getLvlFmt() const {`
`299`	`299`	`return static_cast<LevelFormat>(lvlBits & 0xffff0000);`
`300`	`300`	`}`
`301`	`301`
`@@ -307,12 +307,12 @@ struct LevelType {`
`307`	`307`
`308`	`308`	/// Check if the `LevelType` has the properties
`309`	`309`	`template <LevelPropNonDefault p>`
`310`		`- bool isa() const {`
	`310`	`+ constexpr bool isa() const {`
`311`	`311`	`return lvlBits & static_cast<uint64_t>(p);`
`312`	`312`	`}`
`313`	`313`
`314`	`314`	/// Check if the `LevelType` needs positions array.
`315`		`- bool isWithPosLT() const {`
	`315`	`+ constexpr bool isWithPosLT() const {`
`316`	`316`	`return isa<LevelFormat::Compressed>() \|\|`
`317`	`317`	`isa<LevelFormat::LooseCompressed>();`
`318`	`318`	`}`