[Mlir-commits] [mlir] [mlir][gpu] Separate the barrier elimination code from transform ops (PR #71762)

[Mehdi Amini]

================
@@ -37,6 +37,20 @@ def GpuMapParallelLoopsPass
   let dependentDialects = ["mlir::gpu::GPUDialect"];
 }
 
+def GpuEliminateBarriers
+    : Pass<"gpu-eliminate-barriers", "mlir::func::FuncOp"> {
+  let summary = "Erase unecessary barriers";
+  let constructor = "mlir::createGpuEliminateBarriersPass()";
+  let description = [{
+    Erase barriers that are unneeded because there are no dependent side effects
+    across the barrier.
+  }];
+  let dependentDialects = [
+    "mlir::gpu::GPUDialect", "mlir::scf::SCFDialect",
+    "mlir::memref::MemRefDialect"
----------------
joker-eph wrote:

Why do we need any of these?

https://github.com/llvm/llvm-project/pull/71762