[Mlir-commits] [mlir] [MLIR][NVGPU] Introduce `warpgroup.init.accumulator` Op (PR #67530)

[Guray Ozen]

================
@@ -727,4 +727,15 @@ def NVGPU_WarpgroupMmaOp : NVGPU_Op<"warpgroup.mma"> {
   let hasVerifier = 1;
 }
 
+def NVGPU_WarpgroupMmaInitAccumulatorOp : NVGPU_Op<"warpgroup.mma.init.accumulator"> {  
+  let summary = "Initialize accumulator matrix for `warppgroup.mma`";
+
+  let description = [{
+    This Op generates and initilizes the accumulator matrix for 
+    `nvgpu.warpgroup.mma` op to perform matrix-multiply-and-accumulate (mma).
+  }];
+  let results = (outs Variadic<NVGPU_WarpgroupAccumulator>:$matrixC);
----------------
grypp wrote:

I've implemented #68728 (depends on this PR) that simplifies the IR. We get rid of variadic, and now the IR isn't dense. 

https://github.com/llvm/llvm-project/pull/67530