[Mlir-commits] [mlir] [mlir][gpu] Support Cluster of Thread Blocks in `gpu.launch_func` (PR #72871)

[Guray Ozen]

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@@ -121,6 +121,26 @@ class ConvertOpToGpuRuntimeCallPattern : public ConvertOpToLLVMPattern<OpTy> {
           llvmPointerType, /* void **extra */
           llvmInt64Type    /* size_t paramsCount */
       }};
+  FunctionCallBuilder launchClusterKernelCallBuilder = {
+      "mgpuLaunchClusterKernel",
+      llvmVoidType,
+      {
+          llvmPointerType, /* void* f */
+          llvmIntPtrType,  /* intptr_t clusterXDim */
+          llvmIntPtrType,  /* intptr_t clusteryDim */
+          llvmIntPtrType,  /* intptr_t clusterZDim */
+          llvmIntPtrType,  /* intptr_t gridXDim */
+          llvmIntPtrType,  /* intptr_t gridyDim */
+          llvmIntPtrType,  /* intptr_t gridZDim */
+          llvmIntPtrType,  /* intptr_t blockXDim */
+          llvmIntPtrType,  /* intptr_t blockYDim */
+          llvmIntPtrType,  /* intptr_t blockZDim */
+          llvmInt32Type,   /* unsigned int sharedMemBytes */
+          llvmPointerType, /* void *hstream */
+          llvmPointerType, /* void **kernelParams */
+          llvmPointerType, /* void **extra */
+          llvmInt64Type    /* size_t paramsCount */
+      }};
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grypp wrote:

I don't have the lowering for this old pass, meaning there is no use of `launchClusterKernelCallBuilder`. Tbh, I forgot deleting this code.

But good point. If we want to keep supporting this path, I can add lowering.

https://github.com/llvm/llvm-project/pull/72871