[llvm-branch-commits] [mlir] [mlir][Transforms] Dialect conversion: Make materializations optional (PR #104668)

[Markus Böck via llvm-branch-commits]

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@@ -2447,6 +2487,37 @@ LogicalResult OperationConverter::convertOperations(ArrayRef<Operation *> ops) {
   } else {
     rewriterImpl.applyRewrites();
   }
+
+  // Gather all unresolved materializations.
+  SmallVector<UnrealizedConversionCastOp> allCastOps;
+  DenseMap<Operation *, UnresolvedMaterializationRewrite *> rewriteMap;
+  for (auto &rewrite : rewriterImpl.rewrites) {
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zero9178 wrote:

```suggestion
  for (std::unique_ptr<IRRewrite> &rewrite : rewriterImpl.rewrites) {
```

https://github.com/llvm/llvm-project/pull/104668