[Mlir-commits] [mlir] [MLIR][LLVMIR] Import unregistered intrinsics via llvm.intrinsic_call (PR #128626)

[Tobias Gysi]

================
@@ -56,6 +56,49 @@ static ArrayRef<unsigned> getSupportedIntrinsicsImpl() {
   return convertibleIntrinsics;
 }
 
+/// Converts the LLVM intrinsic to a generic LLVM intrinsic call using
+/// llvm.intrinsic_call. Returns failure otherwise.
+static LogicalResult
+convertUnregisteredIntrinsicImpl(OpBuilder &odsBuilder, llvm::CallInst *inst,
+                                 LLVM::ModuleImport &moduleImport) {
+  StringRef intrinName = inst->getCalledFunction()->getName();
+
+  // Sanity check the intrinsic ID.
+  SmallVector<llvm::Value *> args(inst->args());
+  ArrayRef<llvm::Value *> llvmOperands(args);
+
+  SmallVector<llvm::OperandBundleUse> llvmOpBundles;
+  llvmOpBundles.reserve(inst->getNumOperandBundles());
+  for (unsigned i = 0; i < inst->getNumOperandBundles(); ++i)
+    llvmOpBundles.push_back(inst->getOperandBundleAt(i));
+
+  SmallVector<Value> mlirOperands;
+  SmallVector<NamedAttribute> mlirAttrs;
+  if (failed(moduleImport.convertIntrinsicArguments(
+          llvmOperands, llvmOpBundles, false, {}, {}, mlirOperands, mlirAttrs)))
+    return failure();
+
+  mlir::Type results = moduleImport.convertType(inst->getType());
----------------
gysit wrote:

```suggestion
  Type results = moduleImport.convertType(inst->getType());
```
nit:

https://github.com/llvm/llvm-project/pull/128626