[Mlir-commits] [mlir] [MLIR][GPU] subgroup_mma fp64 extension (PR #165873)

[Fabian Mora]

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@@ -276,10 +283,16 @@ struct WmmaConstantOpToNVVMLowering
       return failure();
     Location loc = subgroupMmaConstantOp.getLoc();
     Value cst = adaptor.getOperands()[0];
-    LLVM::LLVMStructType type = convertMMAToLLVMType(
+    Type type = convertMMAToLLVMType(
         cast<gpu::MMAMatrixType>(subgroupMmaConstantOp.getType()));
+    // If the element is not a struct, it means it's a scalar f64.
+    LLVM::LLVMStructType structType = dyn_cast<LLVM::LLVMStructType>(type);
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fabianmcg wrote:

NIT:
```suggestion
    auto structType = dyn_cast<LLVM::LLVMStructType>(type);
```

https://github.com/llvm/llvm-project/pull/165873