[Mlir-commits] [mlir] [MLIR][NVVM] Add prefetch Ops (PR #141737)

[Durgadoss R]

================
@@ -2333,6 +2334,90 @@ def NVVM_CpAsyncBulkTensorSharedCTAToGlobalOp :
   let hasVerifier = 1;
 }
 
+//===----------------------------------------------------------------------===//
+// NVVM Prefetch Ops
+//===----------------------------------------------------------------------===//
+
+def NVVM_PrefetchL1Op : NVVM_Op<"prefetch.L1"> {
+  let description = [{
+    Brings the cache line containing the specified address into L1 cache.
+
+    Operand `ptr` can be a global, local or generic address pointer.
+    No operation is performed if `ptr` maps to a `shared` memory location.
+
+    [For more information, see PTX ISA](https://docs.nvidia.com/cuda/parallel-thread-execution/#data-movement-and-conversion-instructions-prefetch-prefetchu)
+  }];
+  let arguments = (ins AnyTypeOf<[LLVM_PointerGlobal,
+                                  LLVM_PointerLocal,
+                                  LLVM_PointerGeneric]>:$ptr);
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durga4github wrote:

`$addr` would be a better name

https://github.com/llvm/llvm-project/pull/141737