================
@@ -5896,4 +5896,39 @@ 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 retrieves different types of CPU information and
+ stores it in an array of 4 integers.
+
+ This operation takes 3 arguments: `basePtr`, a pointer to an array of 4
+ integers; `funcID`, an integer determining what type of information to be
+ retrieved (for instance, basic information, processor information and
+ features, or cache/TLB information); and `subFuncId`, an integer that adds
+ more detail about what information is requested.
+
+ As a result, the array of 4 integers is filled with the requested
information.
+
+ Note that, since arrays usually decay to pointers, `basePtr` is expected
to be
+ just a pointer to integer. Extra verifications are done at the verifier.
+
+ Example:
+
+ ```mlir
+ cir.cpuid %basePtr, %funcId, %subFuncId : (!cir.ptr<!s32i>, !s32i, !s32i)
+ ```
+ }];
+
+ let arguments =
+ (ins Arg<CIR_PointerType, "array address", [MemWrite]>:$basePtr,
----------------
rturrado wrote:
I'll give it a go!
https://github.com/llvm/llvm-project/pull/173197
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