[mlir][transform] LISH: Add transform op (#70630)

Add a transform op for loop-invariant subset hoisting. Delete the old
transform op from the Linalg dialect.

1 files changed, 3 insertions, 1 deletions

diff --git a/mlir/lib/Transforms/LoopInvariantCodeMotion.cpp b/mlir/lib/Transforms/LoopInvariantCodeMotion.cpp
index e6d8af8..02c3ea1 100644
--- a/mlir/lib/Transforms/LoopInvariantCodeMotion.cpp
+++ b/mlir/lib/Transforms/LoopInvariantCodeMotion.cpp
@@ -12,6 +12,7 @@
 
 #include "mlir/Transforms/Passes.h"
 
+#include "mlir/IR/PatternMatch.h"
 #include "mlir/Interfaces/LoopLikeInterface.h"
 #include "mlir/Interfaces/SideEffectInterfaces.h"
 #include "mlir/Transforms/LoopInvariantCodeMotionUtils.h"
@@ -47,11 +48,12 @@ void LoopInvariantCodeMotion::runOnOperation() {
 }
 
 void LoopInvariantSubsetHoisting::runOnOperation() {
+  IRRewriter rewriter(getOperation()->getContext());
   // Walk through all loops in a function in innermost-loop-first order. This
   // way, we first hoist from the inner loop, and place the ops in the outer
   // loop, which in turn can be further hoisted from.
   getOperation()->walk([&](LoopLikeOpInterface loopLike) {
-    (void)hoistLoopInvariantSubsets(loopLike);
+    (void)hoistLoopInvariantSubsets(rewriter, loopLike);
   });
 }