================
@@ -5819,4 +5762,31 @@ def CIR_BlockAddressOp : CIR_Op<"block_address", [Pure]>
{
}];
}
+//===----------------------------------------------------------------------===//
+// CpuIdOp
+//===----------------------------------------------------------------------===//
+
+def CIR_CpuIdOp : CIR_Op<"cpuid"> {
+ let summary = "Get information about the CPU";
+ let description = [{
+ The `cir.cpuid` operation takes a base pointer to an array of 4 integers, a
+ function ID and a sub-function ID. The array of 4 integers is filled with
+ different information about the processor.
+
+ Example:
+
+ ```mlir
+ cir.cpuid %basePtr, %funcId, %subFuncId
+ : (!cir.ptr<!cir.array<4 x !s32i>>, !s32i, !s32i)
+ ```
+ }];
+
+ let arguments =
+ (ins Arg<CIR_PtrToArray, "array address", [MemWrite]>:$basePtr,
+ CIR_SInt32:$funcId, CIR_SInt32:$subFuncId);
+ // TODO: remove once we can return an optional mlir::Value from
+ // emitX86BuiltinExpr
+ let results = (outs CIR_VectorType:$result);
----------------
Lancern wrote:
You're not returning the result value from `emitX86BuiltinExpr` so the results
here are unnecessary.
https://github.com/llvm/llvm-project/pull/173197
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