From: Matt Arsenault Date: Thu, 14 Mar 2019 13:46:17 +0000 (+0000) Subject: Note ImmArg in documentation for adding intrinsics X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=32ff027088cf1d734a15cff2273a3d0c79a04d23;p=llvm Note ImmArg in documentation for adding intrinsics git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@356145 91177308-0d34-0410-b5e6-96231b3b80d8 --- diff --git a/docs/ExtendingLLVM.rst b/docs/ExtendingLLVM.rst index 389dfad168b..53daf5c8427 100644 --- a/docs/ExtendingLLVM.rst +++ b/docs/ExtendingLLVM.rst @@ -47,11 +47,13 @@ function and then be turned into an instruction if warranted. #. ``llvm/include/llvm/IR/Intrinsics*.td``: - Add an entry for your intrinsic. Describe its memory access characteristics - for optimization (this controls whether it will be DCE'd, CSE'd, etc). Note - that any intrinsic using one of the ``llvm_any*_ty`` types for an argument or - return type will be deemed by ``tblgen`` as overloaded and the corresponding - suffix will be required on the intrinsic's name. + Add an entry for your intrinsic. Describe its memory access + characteristics for optimization (this controls whether it will be + DCE'd, CSE'd, etc). If any arguments need to be immediates, these + must be indicated with the ImmArg property. Note that any intrinsic + using one of the ``llvm_any*_ty`` types for an argument or return + type will be deemed by ``tblgen`` as overloaded and the + corresponding suffix will be required on the intrinsic's name. #. ``llvm/lib/Analysis/ConstantFolding.cpp``: