[fir][NFC] Add disclaimer to affine promotion/demotion passes
AffinePromotion and AffineDemotion passes where upstreamed
in their current status from fir-dev. In order to make sure everybody
is on the same page, this patch add some comments to state that.
Reviewed By: schweitz
Differential Revision: https://reviews.llvm.org/D111629
GitOrigin-RevId: b2169992aabea4bd896c6c57e7332d22868e2200
diff --git a/lib/Optimizer/Transforms/AffineDemotion.cpp b/lib/Optimizer/Transforms/AffineDemotion.cpp
index 375a102..d774d97 100644
--- a/lib/Optimizer/Transforms/AffineDemotion.cpp
+++ b/lib/Optimizer/Transforms/AffineDemotion.cpp
@@ -5,6 +5,16 @@
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
+//
+// This transformation is a prototype that demote affine dialects operations
+// after optimizations to FIR loops operations.
+// It is used after the AffinePromotion pass.
+// It is not part of the production pipeline and would need more work in order
+// to be used in production.
+// More information can be found in this presentation:
+// https://slides.com/rajanwalia/deck
+//
+//===----------------------------------------------------------------------===//
#include "PassDetail.h"
#include "flang/Optimizer/Dialect/FIRDialect.h"
diff --git a/lib/Optimizer/Transforms/AffinePromotion.cpp b/lib/Optimizer/Transforms/AffinePromotion.cpp
index 2d290b6..a2614eb 100644
--- a/lib/Optimizer/Transforms/AffinePromotion.cpp
+++ b/lib/Optimizer/Transforms/AffinePromotion.cpp
@@ -5,6 +5,15 @@
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
+//
+// This transformation is a prototype that promote FIR loops operations
+// to affine dialect operations.
+// It is not part of the production pipeline and would need more work in order
+// to be used in production.
+// More information can be found in this presentation:
+// https://slides.com/rajanwalia/deck
+//
+//===----------------------------------------------------------------------===//
#include "PassDetail.h"
#include "flang/Optimizer/Dialect/FIRDialect.h"
@@ -31,8 +40,8 @@
struct AffineIfAnalysis;
/// Stores analysis objects for all loops and if operations inside a function
-/// these analysis are used twice, first for marking operations for rewrite and
-/// second when doing rewrite.
+/// these analysis are used twice, first for marking operations for rewrite and
+/// second when doing rewrite.
struct AffineFunctionAnalysis {
explicit AffineFunctionAnalysis(mlir::FuncOp funcOp) {
for (fir::DoLoopOp op : funcOp.getOps<fir::DoLoopOp>())
