[Mlir-commits] [mlir] [MLIR][Affine] Fix signature of mlir::affine::permuteLoops (PR #111100)

[Uday Bondhugula]

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@@ -1406,8 +1406,8 @@ unsigned mlir::affine::permuteLoops(MutableArrayRef<AffineForOp> input,
   // Move the innermost loop body to the loop that would be the innermost in the
   // permuted nest (only if the innermost loop is going to change).
   if (permMap.back() != input.size() - 1) {
-    auto *destBody = input[invPermMap.back().second].getBody();
-    auto *srcBody = input.back().getBody();
+    Block *destBody = ((AffineForOp)input[invPermMap.back().second]).getBody();
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bondhugula wrote:

The C-style cast is to work around const'ness friction in MLIR - MLIR IR types don't use `const`s but ArrayRef and similar LLVM data structures will give you `const`.

There's no `AffineForOp` mutation happening here.

https://github.com/llvm/llvm-project/pull/111100