[cfe-dev] Adding an intrinsic that the user can include in source code
Martin J. O'Riordan via cfe-dev
cfe-dev at lists.llvm.org
Tue Oct 31 15:56:08 PDT 2017
I suspect that you almost certainly need to also implement a handler for this in the function ‘CodeGenFunction::EmitX86BuiltinExpr’ in:
All the best,
From: cfe-dev [mailto:cfe-dev-bounces at lists.llvm.org] On Behalf Of Seth Goldstein via cfe-dev
Sent: 31 October 2017 22:20
To: cfe-dev at lists.llvm.org <mailto:cfe-dev at lists.llvm.org>
Subject: [cfe-dev] Adding an intrinsic that the user can include in source code
I would like to add an intrinsic that the user can put in their code.
The intrinsic is for sending, ala MPI, a value to another processor.
I have read the short document,
https://llvm.org/docs/ExtendingLLVM.html, about adding intrinsics but
must be missing something because it doesn't mention changing anything
in clang. I added my intrinsic to
llvm/include/llvm/IR/IntrinsicsX86.td, then I added it to
clang/include/clang/Basic/BuiltinsX86.def. When I compile my code I get:
send.c:14:3: error: cannot compile this builtin function yet
__builtin_uli_send0(1, 0, &incr);
The AST has information about my intrinsic and the parameters, but not
sure how to proceed.
What am I missing?
Seth Copen Goldstein
Carnegie Mellon University
Computer Science Dept
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