[PATCH] D78146: [MLIR] Bug fix for simplifyAffineMap

[Jeremy Bruestle via Phabricator via llvm-commits]

jbruestle created this revision.
jbruestle added reviewers: bondhugula, rriddle, nicolasvasilache.
Herald added subscribers: llvm-commits, frgossen, grosul1, Joonsoo, liufengdb, lucyrfox, mgester, arpith-jacob, antiagainst, shauheen, burmako, jpienaar, mehdi_amini.
Herald added 1 blocking reviewer(s): rriddle.
Herald added a project: LLVM.
flaub accepted this revision.
flaub added a comment.

LGTM


When simplifying a 0-dimensional affine map (i.e. when map.getNumResults() == 0), AffineMap::get needs to have access to a valid context.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D78146

Files:
  mlir/lib/IR/AffineMap.cpp


Index: mlir/lib/IR/AffineMap.cpp
===================================================================
--- mlir/lib/IR/AffineMap.cpp
+++ mlir/lib/IR/AffineMap.cpp
@@ -322,7 +322,7 @@
     exprs.push_back(
         simplifyAffineExpr(e, map.getNumDims(), map.getNumSymbols()));
   }
-  return AffineMap::get(map.getNumDims(), map.getNumSymbols(), exprs, map.getContext());
+  return AffineMap::get(map.getNumDims(), map.getNumSymbols(), exprs);
 }

 AffineMap mlir::removeDuplicateExprs(AffineMap map) {


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