[Mlir-commits] [mlir] [MLIR][GPU-LLVM] Add in-pass signature update option for opencl kernels (PR #105664)

[Victor Perez]

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@@ -325,6 +369,20 @@ struct GPUToLLVMSPVConversionPass final
     LLVMTypeConverter converter(context, options);
     LLVMConversionTarget target(*context);
 
+    if (forceOpenclAddressSpaces) {
+      MemorySpaceToOpenCLMemorySpaceConverter converter;
+      AttrTypeReplacer replacer;
+      replacer.addReplacement([&converter](BaseMemRefType origType)
+                                  -> std::optional<BaseMemRefType> {
+        return converter.convertType<BaseMemRefType>(origType);
+      });
+
+      replacer.recursivelyReplaceElementsIn(getOperation(),
+                                            /*replaceAttrs=*/true,
+                                            /*replaceLocs=*/false,
+                                            /*replaceTypes=*/true);
+    }
+
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victor-eds wrote:

True, conversion to LLVM assumes memspace `None` maps to the default address space in several places. It'd be complex to change that.

https://github.com/llvm/llvm-project/pull/105664