[flang-commits] [flang] [flang]Pass to add vscale range attribute (PR #68103)

[Tom Eccles via flang-commits]

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@@ -326,4 +326,18 @@ def OMPFunctionFiltering : Pass<"omp-function-filtering"> {
   ];
 }
 
+def VScaleAttr : Pass<"vscale-attr", "mlir::func::FuncOp"> {
+  let summary = "Add vscale_range attribute to functions";
+  let description = [{
+     Set an attribute for the vscale range on functions, to allow scalable
+     vector operations to be used on Arm processors.
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tblah wrote:

nit: on the LLVM side, vscale range is also used by riscv https://reviews.llvm.org/D139873

It might be better to word it like "allow scalable vector operations to be used on processors with variable vector lengths"

https://github.com/llvm/llvm-project/pull/68103