[llvm-branch-commits] [mlir] [mlir][Transforms][NFC] Turn op creation into `IRRewrite` (PR #81759)

[Jacques Pienaar via llvm-branch-commits]

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@@ -1110,7 +1120,18 @@ void ReplaceOperationRewrite::rollback() {
 
 void ReplaceOperationRewrite::cleanup() { eraseOp(op); }
 
+void CreateOperationRewrite::rollback() {
+  for (Region &region : op->getRegions()) {
+    while (!region.getBlocks().empty())
+      region.getBlocks().remove(region.getBlocks().begin());
+  }
+  op->dropAllUses();
+  eraseOp(op);
+}
+
 void ConversionPatternRewriterImpl::detachNestedAndErase(Operation *op) {
+  // if (erasedIR.erasedOps.contains(op)) return;
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jpienaar wrote:

rm ?

https://github.com/llvm/llvm-project/pull/81759