[Mlir-commits] [mlir] [mlir][spirv] Add definition for GL Length (PR #144041)

[Igor Wodiany]

================
@@ -1160,6 +1160,46 @@ def SPIRV_GLFMixOp :
 
 // -----
 
+def SPIRV_GLLengthOp : SPIRV_GLOp<"Length", 66, [
+    Pure,
+    TypesMatchWith<"result type must match operand element type",
+                  "operand", "result",
+                  "::mlir::getElementTypeOrSelf($_self)">
+  ]> {
+  let summary = "Return the length of a vector x";
+
+  let description = [{
+    Result is the length of vector x, i.e., sqrt(x[0]**2 + x[1]**2 + ...).
+
+    The operand x must be a scalar or vector whose component type is floating-point.
+
+    Result Type must be a scalar of the same type as the component type of x.
+
+    #### Example:
+
+    ```mlir
+    %2 = spirv.GL.Length %0 : vector<3xf32> -> f32
+    %3 = spirv.GL.Length %1 : f32 -> f32
----------------
IgWod-IMG wrote:

I'm in favour of that. Should I update this PR or do we want it as a separate change? I'm happy with either.

https://github.com/llvm/llvm-project/pull/144041