[Mlir-commits] [mlir] [MLIR][NFC] Fix the pass description to describe what it actually does. (PR #172306)

[Petr Kurapov]

https://github.com/kurapov-peter updated https://github.com/llvm/llvm-project/pull/172306

>From 9596403c43c8db000ad3394091184da0cd1fcd0f Mon Sep 17 00:00:00 2001
From: Petr Kurapov <petr.kurapov at gmail.com>
Date: Mon, 15 Dec 2025 15:32:02 +0100
Subject: [PATCH 1/2] [MLIR][NFC] Fix the pass description to describe what it
 actually does.

---
 mlir/include/mlir/Dialect/Linalg/Passes.td | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mlir/include/mlir/Dialect/Linalg/Passes.td b/mlir/include/mlir/Dialect/Linalg/Passes.td
index 44da2965e6892..e1ea52ea2c21c 100644
--- a/mlir/include/mlir/Dialect/Linalg/Passes.td
+++ b/mlir/include/mlir/Dialect/Linalg/Passes.td
@@ -167,7 +167,7 @@ def LinalgInlineScalarOperandsPass : Pass<"linalg-inline-scalar-operands"> {
 }
 
 def LinalgFoldIntoElementwisePass : Pass<"linalg-fold-into-elementwise"> {
-  let summary = "Fold transform, broadcast and other ops into elementwise";
+  let summary = "Fold transform ops into elementwise";
   let dependentDialects = ["linalg::LinalgDialect"];
 }
 

>From 9327a8bfeb44051116fddfa75a5d892c20cf76f6 Mon Sep 17 00:00:00 2001
From: Petr Kurapov <petr.kurapov at gmail.com>
Date: Tue, 16 Dec 2025 14:34:10 +0100
Subject: [PATCH 2/2] add a short pass description

---
 mlir/include/mlir/Dialect/Linalg/Passes.td | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/mlir/include/mlir/Dialect/Linalg/Passes.td b/mlir/include/mlir/Dialect/Linalg/Passes.td
index e1ea52ea2c21c..12e10f085e178 100644
--- a/mlir/include/mlir/Dialect/Linalg/Passes.td
+++ b/mlir/include/mlir/Dialect/Linalg/Passes.td
@@ -169,6 +169,13 @@ def LinalgInlineScalarOperandsPass : Pass<"linalg-inline-scalar-operands"> {
 def LinalgFoldIntoElementwisePass : Pass<"linalg-fold-into-elementwise"> {
   let summary = "Fold transform ops into elementwise";
   let dependentDialects = ["linalg::LinalgDialect"];
+
+  let description = [{
+    Fold transform ops that feed `linalg.elementwise` into the elementwise op
+    by updating its indexing maps. `linalg.transpose` producers whose consumer
+    indexing map is the identity are absorbed, turning the permutation into
+    the elementwise map itself. Other operands remain untouched.
+  }]
 }
 
 def LinalgDetensorizePass : InterfacePass<"linalg-detensorize", "FunctionOpInterface"> {