[llvm] r356145 - Note ImmArg in documentation for adding intrinsics

[Matt Arsenault via llvm-commits]

Author: arsenm
Date: Thu Mar 14 06:46:17 2019
New Revision: 356145

URL: http://llvm.org/viewvc/llvm-project?rev=356145&view=rev
Log:
Note ImmArg in documentation for adding intrinsics

Modified:
    llvm/trunk/docs/ExtendingLLVM.rst

Modified: llvm/trunk/docs/ExtendingLLVM.rst
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/docs/ExtendingLLVM.rst?rev=356145&r1=356144&r2=356145&view=diff
==============================================================================
--- llvm/trunk/docs/ExtendingLLVM.rst (original)
+++ llvm/trunk/docs/ExtendingLLVM.rst Thu Mar 14 06:46:17 2019
@@ -47,11 +47,13 @@ function and then be turned into an inst
 
 #. ``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``: