From 78453e370547b8acd20093ab5d2fc18b7abc52a1 Mon Sep 17 00:00:00 2001
From: Chintan Kaur <kaurc@google.com>
Date: Wed, 20 May 2020 03:10:23 +0000
Subject: [PATCH] Mark AffineMap::replaceDimsAndSymbols as const (NFC)

This is consistent to the other methods of the class, as well as
AffineExpr::replaceDimsAndSymbols.

Differential Revision: https://reviews.llvm.org/D80266
---
 mlir/include/mlir/IR/AffineMap.h | 2 +-
 mlir/lib/IR/AffineMap.cpp        | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/mlir/include/mlir/IR/AffineMap.h b/mlir/include/mlir/IR/AffineMap.h
index 8f564a27adae..841ec6abcedf 100644
--- a/mlir/include/mlir/IR/AffineMap.h
+++ b/mlir/include/mlir/IR/AffineMap.h
@@ -137,7 +137,7 @@ public:
   AffineMap replaceDimsAndSymbols(ArrayRef<AffineExpr> dimReplacements,
                                   ArrayRef<AffineExpr> symReplacements,
                                   unsigned numResultDims,
-                                  unsigned numResultSyms);
+                                  unsigned numResultSyms) const;
 
   /// Folds the results of the application of an affine map on the provided
   /// operands to a constant if possible.
diff --git a/mlir/lib/IR/AffineMap.cpp b/mlir/lib/IR/AffineMap.cpp
index 8f2c944f388e..07a01f0bf75f 100644
--- a/mlir/lib/IR/AffineMap.cpp
+++ b/mlir/lib/IR/AffineMap.cpp
@@ -296,7 +296,7 @@ void AffineMap::walkExprs(std::function<void(AffineExpr)> callback) const {
 AffineMap AffineMap::replaceDimsAndSymbols(ArrayRef<AffineExpr> dimReplacements,
                                            ArrayRef<AffineExpr> symReplacements,
                                            unsigned numResultDims,
-                                           unsigned numResultSyms) {
+                                           unsigned numResultSyms) const {
   SmallVector<AffineExpr, 8> results;
   results.reserve(getNumResults());
   for (auto expr : getResults())